com.microsoft.sqlserver.jdbc.SQLServerResultSet Maven / Gradle / Ivy
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/*
* Microsoft JDBC Driver for SQL Server Copyright(c) Microsoft Corporation All rights reserved. This program is made
* available under the terms of the MIT License. See the LICENSE file in the project root for more information.
*/
package com.microsoft.sqlserver.jdbc;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.NClob;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.sql.SQLType;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.text.MessageFormat;
import java.time.LocalDateTime;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import com.microsoft.sqlserver.jdbc.dataclassification.SensitivityClassification;
/**
* Indicates the type of the row received from the server.
*/
enum RowType {
ROW,
NBCROW,
UNKNOWN,
}
/**
* Defines the Top-level JDBC ResultSet implementation.
*/
public class SQLServerResultSet implements ISQLServerResultSet, java.io.Serializable {
/**
* Always refresh SerialVersionUID when prompted
*/
private static final long serialVersionUID = -1624082547992040463L;
/** Generate the statement's logging ID */
private static final AtomicInteger lastResultSetID = new AtomicInteger(0);
/** trace ID */
private final String traceID;
private static int nextResultSetID() {
return lastResultSetID.incrementAndGet();
}
final static java.util.logging.Logger logger = java.util.logging.Logger
.getLogger("com.microsoft.sqlserver.jdbc.internals.SQLServerResultSet");
@Override
public String toString() {
return traceID;
}
String logCursorState() {
return " currentRow:" + currentRow + " numFetchedRows:" + numFetchedRows + " rowCount:" + rowCount;
}
static final java.util.logging.Logger loggerExternal = java.util.logging.Logger
.getLogger("com.microsoft.sqlserver.jdbc.ResultSet");
/** logging classname */
final private String loggingClassName;
String getClassNameLogging() {
return loggingClassName;
}
/** the statement that generated this result set */
private final SQLServerStatement stmt;
/** max rows to return from this result set */
private final int maxRows;
/** the meta data for this result set */
private SQLServerResultSetMetaData metaData;
/** is the result set close */
private boolean isClosed = false;
/** server cursor id */
private final int serverCursorId;
/**
* Returns the server cursor id
*
* @return server cursor id
*/
protected int getServerCursorId() {
return serverCursorId;
}
/** the intended fetch direction to optimize cursor performance */
private int fetchDirection;
/** the desired fetch size to optimize cursor performance */
private int fetchSize;
/** true if the cursor is positioned on the insert row */
private boolean isOnInsertRow = false;
/** true if the last value read was SQL NULL */
private boolean lastValueWasNull = false;
/** The index (1-based) of the last column in the current row that has been marked for reading */
private int lastColumnIndex;
/**
* Indicates if the null bit map is loaded for the current row in the resultset
*/
private boolean areNullCompressedColumnsInitialized = false;
/** Indicates the type of the current row in the result set */
private RowType resultSetCurrentRowType = RowType.UNKNOWN;
/** getter for resultSetCurrentRowType */
final RowType getCurrentRowType() {
return resultSetCurrentRowType;
}
/** setter for resultSetCurrentRowType */
final void setCurrentRowType(RowType rowType) {
resultSetCurrentRowType = rowType;
}
/**
* Currently active Stream Note only one stream can be active at a time, JDBC spec calls for the streams to be
* closed when a column or row move occurs
*/
private transient Closeable activeStream;
/** active LOB */
private SQLServerLob activeLOB;
/**
* A window of fetchSize quickly accessible rows for scrollable result sets
*/
private final ScrollWindow scrollWindow;
/**
* Current row, which is either the actual (1-based) value or one of the special values defined below.
*/
private static final int BEFORE_FIRST_ROW = 0;
private static final int AFTER_LAST_ROW = -1;
private static final int UNKNOWN_ROW = -2;
/** current row */
private int currentRow = BEFORE_FIRST_ROW;
/** Flag set to true if the current row was updated through this ResultSet object */
private boolean updatedCurrentRow = false;
/** Column name hash map for caching */
private final Map columnNames = new HashMap<>();
final boolean getUpdatedCurrentRow() {
return updatedCurrentRow;
}
final void setUpdatedCurrentRow(boolean rowUpdated) {
updatedCurrentRow = rowUpdated;
}
/** Flag set to true if the current row was deleted through this ResultSet object */
private boolean deletedCurrentRow = false;
final boolean getDeletedCurrentRow() {
return deletedCurrentRow;
}
final void setDeletedCurrentRow(boolean rowDeleted) {
deletedCurrentRow = rowDeleted;
}
/**
* Count of rows in this result set.
*
* The number of rows in the result set may be known when this ResultSet object is created, after the first full
* traversal of the result set, or possibly never (as is the case with DYNAMIC cursors).
*/
static final int UNKNOWN_ROW_COUNT = -3;
/** row count */
private int rowCount;
/** The current row's column values */
private final Column[] columns;
/** The CekTable retrieved from the COLMETADATA token for this resultset */
private CekTable cekTable = null;
/* Returns the CekTable */
CekTable getCekTable() {
return cekTable;
}
final void setColumnName(int index, String name) {
columns[index - 1].setColumnName(name);
}
/**
* Skips columns between the last marked column and the target column, inclusive, optionally discarding their values
* as they are skipped.
*/
private void skipColumns(int columnsToSkip, boolean discardValues) throws SQLServerException {
assert lastColumnIndex >= 1;
assert 0 <= columnsToSkip && columnsToSkip <= columns.length;
for (int columnsSkipped = 0; columnsSkipped < columnsToSkip; ++columnsSkipped) {
Column column = getColumn(lastColumnIndex++);
column.skipValue(tdsReader, discardValues && isForwardOnly());
if (discardValues)
column.clear();
}
}
/** TDS reader from which row values are read */
private TDSReader tdsReader;
TDSReader getTDSReader() {
return tdsReader;
}
/** fetch buffer */
private final FetchBuffer fetchBuffer;
@Override
public SensitivityClassification getSensitivityClassification() {
return tdsReader.sensitivityClassification;
}
/**
* Constructs a SQLServerResultSet.
*
* @param stmtIn
* the generating statement
*/
SQLServerResultSet(SQLServerStatement stmtIn) throws SQLServerException {
int resultSetID = nextResultSetID();
loggingClassName = "com.microsoft.sqlserver.jdbc.SQLServerResultSet" + ":" + resultSetID;
traceID = "SQLServerResultSet:" + resultSetID;
// Common initializer class for server-cursored and client-cursored ResultSets.
// The common initializer builds columns from the column metadata and other table
// info when present. Specialized subclasses take care of behavior that is specific
// to either server-cursored or client-cursored ResultSets.
abstract class CursorInitializer extends TDSTokenHandler {
abstract int getRowCount();
abstract int getServerCursorId();
private StreamColumns columnMetaData = null;
private StreamColInfo colInfo = null;
private StreamTabName tabName = null;
final Column[] buildColumns() throws SQLServerException {
return columnMetaData.buildColumns(colInfo, tabName);
}
CursorInitializer(String name) {
super(name);
}
boolean onColInfo(TDSReader tdsReader) throws SQLServerException {
colInfo = new StreamColInfo();
colInfo.setFromTDS(tdsReader);
return true;
}
boolean onTabName(TDSReader tdsReader) throws SQLServerException {
tabName = new StreamTabName();
tabName.setFromTDS(tdsReader);
return true;
}
boolean onColMetaData(TDSReader tdsReader) throws SQLServerException {
columnMetaData = new StreamColumns(
Util.shouldHonorAEForRead(stmt.stmtColumnEncriptionSetting, stmt.connection));
columnMetaData.setFromTDS(tdsReader);
cekTable = columnMetaData.getCekTable();
return true;
}
}
// Server-cursor initializer expects a cursorID and row count to be
// returned in OUT parameters from the sp_cursor[prep]exec call.
// There should not be any rows present when initializing a server-cursored
// ResultSet (until/unless support for cursor auto-fetch is implemented).
final class ServerCursorInitializer extends CursorInitializer {
private final SQLServerStatement stmt;
final int getRowCount() {
return stmt.getServerCursorRowCount();
}
final int getServerCursorId() {
return stmt.getServerCursorId();
}
ServerCursorInitializer(SQLServerStatement stmt) {
super("ServerCursorInitializer");
this.stmt = stmt;
}
boolean onRetStatus(TDSReader tdsReader) throws SQLServerException {
// With server-cursored result sets, the column metadata is
// followed by a return status and cursor-related OUT parameters
// for the sp_cursor[prep]exec call. Two of those OUT parameters
// are the cursor ID and row count needed to construct this
// ResultSet.
stmt.consumeExecOutParam(tdsReader);
return true;
}
boolean onRetValue(TDSReader tdsReader) throws SQLServerException {
// The first OUT parameter after the sp_cursor[prep]exec OUT parameters
// is the start of the application OUT parameters. Leave parsing
// of them up to CallableStatement OUT param handlers.
return false;
}
}
// Client-cursor initializer expects 0 or more rows or a row-level error
// to follow the column metadata.
final class ClientCursorInitializer extends CursorInitializer {
private int rowCount = UNKNOWN_ROW_COUNT;
final int getRowCount() {
return rowCount;
}
final int getServerCursorId() {
return 0;
}
ClientCursorInitializer() {
super("ClientCursorInitializer");
}
boolean onRow(TDSReader tdsReader) throws SQLServerException {
// A ROW token indicates the start of the fetch buffer
return false;
}
boolean onNBCRow(TDSReader tdsReader) throws SQLServerException {
// A NBCROW token indicates the start of the fetch buffer
return false;
}
boolean onError(TDSReader tdsReader) throws SQLServerException {
// An ERROR token indicates a row error in lieu of a row.
// In this case, the row error is in lieu of the first row.
// Stop parsing and let the fetch buffer handle the error.
rowCount = 0;
return false;
}
boolean onDone(TDSReader tdsReader) throws SQLServerException {
// When initializing client-cursored ResultSets, a DONE token
// following the column metadata indicates an empty result set.
rowCount = 0;
// Continue to read the error message if DONE packet has error flag
int packetType = tdsReader.peekTokenType();
if (TDS.TDS_DONE == packetType) {
short status = tdsReader.peekStatusFlag();
// check if status flag has DONE_ERROR set i.e., 0x2
if ((status & 0x0002) != 0) {
// Consume the DONE packet if there is error
StreamDone doneToken = new StreamDone();
doneToken.setFromTDS(tdsReader);
if (doneToken.isFinal()) {
// Response is completely processed, hence decrement unprocessed response count.
stmt.connection.getSessionRecovery().decrementUnprocessedResponseCount();
}
return true;
}
}
return false;
}
}
this.stmt = stmtIn;
this.maxRows = stmtIn.maxRows;
this.fetchSize = stmtIn.nFetchSize;
this.fetchDirection = stmtIn.nFetchDirection;
CursorInitializer initializer = stmtIn.executedSqlDirectly ? (new ClientCursorInitializer())
: (new ServerCursorInitializer(stmtIn));
TDSParser.parse(stmtIn.resultsReader(), initializer);
this.columns = initializer.buildColumns();
this.rowCount = initializer.getRowCount();
this.serverCursorId = initializer.getServerCursorId();
// If this result set does not use a server cursor, then the result set rows
// (if any) are already present in the fetch buffer at which the statement's
// TDSReader now points.
//
// If this result set uses a server cursor, then without support for server
// cursor autofetch, there are initially no rows with which to populate the
// fetch buffer. The app will have to do a server cursor fetch first.
this.tdsReader = (0 == serverCursorId) ? stmtIn.resultsReader() : null;
this.fetchBuffer = new FetchBuffer();
this.scrollWindow = isForwardOnly() ? null : new ScrollWindow(fetchSize);
this.numFetchedRows = 0;
// increment opened resultset counter
stmtIn.incrResultSetCount();
if (logger.isLoggable(java.util.logging.Level.FINE)) {
logger.fine(toString() + " created by (" + stmt.toString() + ")");
}
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "isWrapperFor");
boolean f = iface.isInstance(this);
loggerExternal.exiting(getClassNameLogging(), "isWrapperFor", f);
return f;
}
@Override
public T unwrap(Class iface) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "unwrap");
T t;
try {
t = iface.cast(this);
} catch (ClassCastException e) {
throw new SQLServerException(e.getMessage(), e);
}
loggerExternal.exiting(getClassNameLogging(), "unwrap", t);
return t;
}
/** row error exception */
private SQLServerException rowErrorException = null;
/**
* Checks if the result set is closed
*
* @throws SQLServerException
*/
void checkClosed() throws SQLServerException {
if (isClosed) {
SQLServerException.makeFromDriverError(null, null, SQLServerException.getErrString("R_resultsetClosed"),
null, false);
}
stmt.checkClosed();
// This ResultSet isn't closed, but also check whether it's effectively dead
// due to a row error. Once a ResultSet encounters a row error, nothing more
// can be done with it other than closing it.
if (null != rowErrorException)
throw rowErrorException;
}
@Override
public boolean isClosed() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "isClosed");
boolean result = isClosed || stmt.isClosed();
loggerExternal.exiting(getClassNameLogging(), "isClosed", result);
return result;
}
/**
* Called by ResultSet API methods to disallow method use on forward only result sets.
*
* @throws SQLException
* if the result set is forward only.
* @throws SQLFeatureNotSupportedException
*/
private void throwNotScrollable() throws SQLException {
SQLServerException.makeFromDriverError(stmt.connection, this,
SQLServerException.getErrString("R_requestedOpNotSupportedOnForward"), null, true);
}
/**
* Check if type is ForwardOnly
*
* @return if type is ForwardOnly
*/
protected boolean isForwardOnly() {
return TYPE_SS_DIRECT_FORWARD_ONLY == stmt.getSQLResultSetType()
|| TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == stmt.getSQLResultSetType();
}
private boolean isDynamic() {
return 0 != serverCursorId && TDS.SCROLLOPT_DYNAMIC == stmt.getCursorType();
}
private void verifyResultSetIsScrollable() throws SQLException {
if (isForwardOnly())
throwNotScrollable();
}
/**
* Called by ResultSet API methods to disallow method use on read only result sets.
*
* @throws SQLServerException
* if the result set is read only.
*/
private void throwNotUpdatable() throws SQLServerException {
SQLServerException.makeFromDriverError(stmt.connection, this,
SQLServerException.getErrString("R_resultsetNotUpdatable"), null, true);
}
private void verifyResultSetIsUpdatable() throws SQLServerException {
if (CONCUR_READ_ONLY == stmt.resultSetConcurrency || 0 == serverCursorId)
throwNotUpdatable();
}
/**
* Returns whether the result set has a current row.
*
* @return true if there is a current row
* @return false if the result set is positioned before the first row or after the last row.
*/
private boolean hasCurrentRow() {
return BEFORE_FIRST_ROW != currentRow && AFTER_LAST_ROW != currentRow;
}
/**
* Verifies whether this result set has a current row.
*
* This check DOES NOT consider whether the cursor is on the insert row. The result set may or may not have a
* current row regardless whether the cursor is on the insert row. Consider the following scenarios:
*
* beforeFirst(); moveToInsertRow(); relative(1); No current row to move relative to. Throw "no current row"
* exception.
*
* first(); moveToInsertRow(); relative(1); Call to relative moves off of the insert row one row past the current
* row. That is, the cursor ends up on the second row of the result set.
*
* @throws SQLServerException
* if the result set has no current row
*/
private void verifyResultSetHasCurrentRow() throws SQLServerException {
if (!hasCurrentRow()) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_resultsetNoCurrentRow"), null, true);
}
}
/**
* Called by ResultSet API methods to disallow method use when cursor is on a deleted row.
*
* @throws SQLServerException
* if the cursor is not on an updatable row.
*/
private void verifyCurrentRowIsNotDeleted(String errResource) throws SQLServerException {
if (currentRowDeleted()) {
SQLServerException.makeFromDriverError(stmt.connection, stmt, SQLServerException.getErrString(errResource),
null, true);
}
}
/**
* Called by ResultSet API methods to disallow method use when the column index is not in the range of columns
* returned in the results.
*
* @throws SQLServerException
* if the column index is out of bounds
*/
private void verifyValidColumnIndex(int index) throws SQLServerException {
int nCols = columns.length;
// Rows that come back from server side cursors tack on a "hidden" ROWSTAT column
// (used to detect deletes from a keyset) at the end of each row. Don't include
// that column in the list of valid columns.
if (0 != serverCursorId)
--nCols;
if (index < 1 || index > nCols) {
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_indexOutOfRange"));
Object[] msgArgs = {index};
SQLServerException.makeFromDriverError(stmt.connection, stmt, form.format(msgArgs), "07009", false);
}
}
/**
* Called by ResultSet API methods to disallow method use when cursor is on the insert row.
*
* @throws SQLServerException
* if the cursor is on the insert row.
*/
private void verifyResultSetIsNotOnInsertRow() throws SQLServerException {
if (isOnInsertRow) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_mustNotBeOnInsertRow"), null, true);
}
}
private void throwUnsupportedCursorOp() throws SQLServerException {
// Absolute positioning of dynamic cursors is unsupported.
SQLServerException.makeFromDriverError(stmt.connection, this,
SQLServerException.getErrString("R_unsupportedCursorOperation"), null, true);
}
/**
* Closes the result set.
*
* Note that the public close() method performs all of the cleanup work through this internal method which cannot
* throw any exceptions. This is done deliberately to ensure that ALL of the object's client-side and server-side
* state is cleaned up as best as possible, even under conditions which would normally result in exceptions being
* thrown.
*/
private void closeInternal() {
// Calling close on a closed ResultSet is a no-op per JDBC spec
if (isClosed)
return;
// Mark this ResultSet as closed, then clean up.
isClosed = true;
// Discard the current fetch buffer contents.
discardFetchBuffer();
// Close the server cursor if there is one.
closeServerCursor();
// Clean up client-side state
metaData = null;
// decrement opened resultset counter
stmt.decrResultSetCount();
}
@Override
public void close() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "close");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
closeInternal();
loggerExternal.exiting(getClassNameLogging(), "close");
}
/**
* Finds a column index given a column name.
*
* @param userProvidedColumnName
* the name of the column
* @throws SQLServerException
* If any errors occur.
* @return the column index
*/
@Override
public int findColumn(String userProvidedColumnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "findColumn", userProvidedColumnName);
checkClosed();
Integer value = columnNames.get(userProvidedColumnName);
if (null != value) {
return value;
}
// In order to be as accurate as possible when locating column name
// indexes, as well as be deterministic when running on various client
// locales, we search for column names using the following scheme:
// Per JDBC spec 27.1.5 "if there are multiple columns with the same name
// [findColumn] will return the value of the first matching name".
// 1. Search using case-sensitive non-locale specific (binary) compare first.
// 2. Search using case-insensitive, non-locale specific (binary) compare last.
// NOTE: Any attempt to use a locale aware comparison will fail because:
//
// 1. SQL allows any valid UNICODE characters in the column name.
// 2. SQL does not store any locale info associated with the column name.
// 3. We cannot second guess the developer and decide to use VM locale or
// database default locale when making comparisons, this would produce
// inconsistent results on different clients or different servers.
// Search using case-sensitive, non-locale specific (binary) compare.
// If the user supplies a true match for the column name, we will find it here.
for (int i = 0; i < columns.length; i++) {
if (columns[i].getColumnName().equals(userProvidedColumnName)) {
columnNames.put(userProvidedColumnName, i + 1);
loggerExternal.exiting(getClassNameLogging(), "findColumn", i + 1);
return i + 1;
}
}
// Check for case-insensitive match using a non-locale aware method.
// Per JDBC spec, 27.3 "The driver will do a case-insensitive search for
// columnName in it's attempt to map it to the column's index".
// Use VM supplied String.equalsIgnoreCase to do the "case-insensitive search".
for (int i = 0; i < columns.length; i++) {
if (columns[i].getColumnName().equalsIgnoreCase(userProvidedColumnName)) {
columnNames.put(userProvidedColumnName, i + 1);
loggerExternal.exiting(getClassNameLogging(), "findColumn", i + 1);
return i + 1;
}
}
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidColumnName"));
Object[] msgArgs = {userProvidedColumnName};
SQLServerException.makeFromDriverError(stmt.connection, stmt, form.format(msgArgs), "07009", false);
return 0;
}
final int getColumnCount() {
int nCols = columns.length;
if (0 != serverCursorId)
nCols--; // Do not include SQL Server's automatic rowstat column
return nCols;
}
final Column getColumn(int columnIndex) throws SQLServerException {
// Close any stream that might be open on the current column
// before moving to another one.
if (null != activeStream) {
try {
fillLOBs();
activeStream.close();
} catch (IOException e) {
SQLServerException.makeFromDriverError(null, null, e.getMessage(), null, true);
} finally {
activeStream = null;
}
}
return columns[columnIndex - 1];
}
/**
* Initializes null compressed columns only when the row type is NBCROW and if the
* areNullCompressedColumnsInitialized is false. In all other cases this will be a no-op.
*
* @throws SQLServerException
*/
private void initializeNullCompressedColumns() throws SQLServerException {
if (resultSetCurrentRowType.equals(RowType.NBCROW) && (!areNullCompressedColumnsInitialized)) {
int columnNo = 0;
// no of bytes to be read from the stream
int noOfBytes = ((this.columns.length - 1) >> 3) + 1;// equivalent of
// (int)Math.ceil(this.columns.length/8.0) and gives
// better perf
for (int byteNo = 0; byteNo < noOfBytes; byteNo++) {
int byteValue = tdsReader.readUnsignedByte();
// if this byte is 0, skip to the next byte
// and increment the column number by 8(no of bits)
if (byteValue == 0) {
columnNo = columnNo + 8;
continue;
}
for (int bitNo = 0; bitNo < 8 && columnNo < this.columns.length; bitNo++, columnNo++) {
if ((byteValue & (1 << bitNo)) != 0) {
this.columns[columnNo].initFromCompressedNull();
}
}
}
areNullCompressedColumnsInitialized = true;
}
}
private Column loadColumn(int index) throws SQLServerException {
assert 1 <= index && index <= columns.length;
initializeNullCompressedColumns();
// Skip any columns between the last indexed column and the target column,
// retaining their values so they can be retrieved later.
if (index > lastColumnIndex && (!this.columns[index - 1].isInitialized()))
skipColumns(index - lastColumnIndex, false);
// Then return the target column
return getColumn(index);
}
/**
* Clears result set warnings.
*
* @throws SQLServerException
* when an error occurs
*/
@Override
public void clearWarnings() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "clearWarnings");
loggerExternal.exiting(getClassNameLogging(), "clearWarnings");
}
/* ----------------- JDBC API methods ------------------ */
private void moverInit() throws SQLServerException {
fillLOBs();
cancelInsert();
cancelUpdates();
}
@Override
public boolean relative(int rows) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "relative", rows);
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " rows:" + rows + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if (1) there is no current row or (2)
// the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
verifyResultSetHasCurrentRow();
moverInit();
moveRelative(rows);
boolean value = hasCurrentRow();
loggerExternal.exiting(getClassNameLogging(), "relative", value);
return value;
}
private void moveRelative(int rowsToMove) throws SQLServerException {
// Relative moves must be from somewhere within the result set
assert hasCurrentRow();
// If rows is 0, the cursor's position does not change.
if (0 == rowsToMove)
return;
if (rowsToMove > 0)
moveForward(rowsToMove);
else
moveBackward(rowsToMove);
}
private void moveForward(int rowsToMove) throws SQLServerException {
assert hasCurrentRow();
assert rowsToMove > 0;
// If there's a chance that the move can happen just in the scroll window then try that first
if (scrollWindow.getRow() + rowsToMove <= scrollWindow.getMaxRows()) {
int rowsMoved = 0;
while (rowsToMove > 0 && scrollWindow.next(this)) {
++rowsMoved;
--rowsToMove;
}
// Update the current row
updateCurrentRow(rowsMoved);
// If the move happened entirely in the scroll window, then we're done.
if (0 == rowsToMove)
return;
}
// All or part of the move lies outside the scroll window.
assert rowsToMove > 0;
// For client-cursored result sets, where the fetch buffer contains all of the rows, moves outside of
// the scroll window are done via an absolute in the fetch buffer.
if (0 == serverCursorId) {
assert UNKNOWN_ROW != currentRow;
currentRow = clientMoveAbsolute(currentRow + rowsToMove);
return;
}
// For server-cursored result sets (where the fetch buffer and scroll window are the same size),
// moves outside the scroll window require fetching more rows from the server.
//
// A few words on fetching strategy with server cursors
// There is an assumption here that moving past the current position is an indication
// that the result set is being traversed in forward order, so it makes sense to grab a
// block of fetchSize rows from the server, starting at the desired location, to maximize
// the number of rows that can be consumed before the next server fetch. That assumption
// isn't necessarily true.
if (1 == rowsToMove)
doServerFetch(TDS.FETCH_NEXT, 0, fetchSize);
else
doServerFetch(TDS.FETCH_RELATIVE, rowsToMove + scrollWindow.getRow() - 1, fetchSize);
// If the new fetch buffer returned no rows, then the cursor has reached the end of the result set.
if (!scrollWindow.next(this)) {
currentRow = AFTER_LAST_ROW;
return;
}
// The move succeeded, so update the current row.
updateCurrentRow(rowsToMove);
}
private void moveBackward(int rowsToMove) throws SQLServerException {
assert hasCurrentRow();
assert rowsToMove < 0;
// If the move is contained in scroll window then handle it there.
if (scrollWindow.getRow() + rowsToMove >= 1) {
for (int rowsMoved = 0; rowsMoved > rowsToMove; --rowsMoved)
scrollWindow.previous(this);
updateCurrentRow(rowsToMove);
return;
}
// The move lies outside the scroll window.
// For client-cursored result sets, where the fetch buffer contains all of the rows, moves outside of
// the scroll window are done via an absolute move in the fetch buffer.
if (0 == serverCursorId) {
assert UNKNOWN_ROW != currentRow;
// Relative moves to before the first row must be handled here; a negative argument
// to clientMoveAbsolute is interpreted as relative to the last row, not the first.
if (currentRow + rowsToMove < 1) {
moveBeforeFirst();
} else {
currentRow = clientMoveAbsolute(currentRow + rowsToMove);
}
return;
}
// For server-cursored result sets (where the fetch buffer and scroll window are the same size),
// moves outside the scroll window require fetching more rows from the server.
//
// A few words on fetching strategy with server cursors
// There is an assumption here that moving to the previous row is an indication
// that the result set is being traversed in reverse order, so it makes sense to grab a
// block of fetchSize rows from the server, ending with the desired location, to maximize
// the number of rows that can be consumed before the next server fetch. That assumption
// isn't necessarily true.
//
// Also, when moving further back than the previous row, it is not generally feasible to
// try to fetch a block of rows ending with the target row, since a move far enough back
// that the start of the fetch buffer would be before the first row of the result set would
// position the cursor before the first row and return no rows, even though the target row
// may not be before the first row. Instead, such moves are done so that the target row
// is the first row in the returned block of rows rather than the last row.
if (-1 == rowsToMove) {
doServerFetch(TDS.FETCH_PREV_NOADJUST, 0, fetchSize);
// If the new fetch buffer returned no rows, then the cursor has reached the start of the result set.
if (!scrollWindow.next(this)) {
currentRow = BEFORE_FIRST_ROW;
return;
}
// Scroll past the last of the returned rows, and ...
while (scrollWindow.next(this));
// back up one row.
scrollWindow.previous(this);
} else {
doServerFetch(TDS.FETCH_RELATIVE, rowsToMove + scrollWindow.getRow() - 1, fetchSize);
// If the new fetch buffer returned no rows, then the cursor has reached the start of the result set.
if (!scrollWindow.next(this)) {
currentRow = BEFORE_FIRST_ROW;
return;
}
}
// The move succeeded, so update the current row.
updateCurrentRow(rowsToMove);
}
/**
* Updates the current row's position if known.
*
* If known, the current row is assumed to be at a valid position somewhere in the ResultSet. That is, the current
* row is not before the first row or after the last row.
*/
private void updateCurrentRow(int rowsToMove) {
if (UNKNOWN_ROW != currentRow) {
assert currentRow >= 1;
currentRow += rowsToMove;
assert currentRow >= 1;
}
}
/**
* Moves the cursor to the first row of this ResultSet object initially, then subsequent calls move the cursor to
* the second row, the third row, and so on.
*
* @return false when there are no more rows to read
*/
@Override
public boolean next() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "next");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
moverInit();
// If the cursor is already positioned after the last row in this result set
// then it can't move any farther forward.
if (AFTER_LAST_ROW == currentRow) {
loggerExternal.exiting(getClassNameLogging(), "next", false);
return false;
}
// For scrollable cursors, next() is just a special case of relative()
if (!isForwardOnly()) {
if (BEFORE_FIRST_ROW == currentRow)
moveFirst();
else
moveForward(1);
boolean value = hasCurrentRow();
loggerExternal.exiting(getClassNameLogging(), "next", value);
return value;
}
// Fast path for forward only cursors...
// Server forward only cursors do not honor SET ROWCOUNT,
// so enforce any maxRows limit here.
if (0 != serverCursorId && maxRows > 0) {
if (currentRow == maxRows) {
currentRow = AFTER_LAST_ROW;
loggerExternal.exiting(getClassNameLogging(), "next", false);
return false;
}
}
// There is no scroll window for forward only cursors,
// so try to get the next row directly from the fetch buffer.
if (fetchBufferNext()) {
// Update the current row.
// Note that if the position was before the first row, the current
// row should be updated to row 1.
if (BEFORE_FIRST_ROW == currentRow)
currentRow = 1;
else
updateCurrentRow(1);
// We should never be asked to read more rows than maxRows.
// Server forward only is handled above, and maxRows should
// be enforced by the server for DIRECT forward only cursors.
assert 0 == maxRows || currentRow <= maxRows;
loggerExternal.exiting(getClassNameLogging(), "next", true);
// Return that a row was read.
return true;
}
// We're out of rows in the fetch buffer. If this is a server
// cursor, then try to load up the fetch buffer with the next
// set of fetchSize rows.
if (0 != serverCursorId) {
doServerFetch(TDS.FETCH_NEXT, 0, fetchSize);
// If there are rows in the freshly-loaded fetch buffer
// then return the first of them.
if (fetchBufferNext()) {
if (BEFORE_FIRST_ROW == currentRow)
currentRow = 1;
else
updateCurrentRow(1);
assert 0 == maxRows || currentRow <= maxRows;
loggerExternal.exiting(getClassNameLogging(), "next", true);
return true;
}
}
// Otherwise, we have reached the end of the result set
if (UNKNOWN_ROW_COUNT == rowCount)
rowCount = currentRow;
// Read SQL Warnings at the end of ResultSet
if (stmt.resultsReader().peekTokenType() == TDS.TDS_MSG) {
stmt.startResults();
stmt.getNextResult(false);
}
currentRow = AFTER_LAST_ROW;
loggerExternal.exiting(getClassNameLogging(), "next", false);
return false;
}
@Override
public boolean wasNull() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "wasNull");
checkClosed();
loggerExternal.exiting(getClassNameLogging(), "wasNull", lastValueWasNull);
return lastValueWasNull;
}
/**
* Returns if the cursor is before the first row in this result set.
*
* @return true if the cursor is before the first row in this result set, returns false otherwise or if the result
* set contains no rows.
*/
@Override
public boolean isBeforeFirst() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "isBeforeFirst");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
//
// We deviate from JDBC spec here and allow this call on scrollable result sets.
// Other drivers do the same. Hibernate requires this behavior.
// verifyResultSetIsScrollable();
if (0 != serverCursorId) {
switch (stmt.getCursorType()) {
case TDS.SCROLLOPT_FORWARD_ONLY:
throwNotScrollable();
break;
case TDS.SCROLLOPT_DYNAMIC:
throwUnsupportedCursorOp();
break;
case TDS.SCROLLOPT_FAST_FORWARD:
throwNotScrollable();
break;
// All other types (KEYSET, STATIC) return a row count up front
default:
break;
}
}
if (isOnInsertRow)
return false;
// If the cursor is not positioned before the first row in this result set
// then the answer is obvious:
if (BEFORE_FIRST_ROW != currentRow)
return false;
// If the cursor is positioned before the first row in this result set then
// isBeforeFirst returns true only if the result set is also not empty.
// For client-cursored result sets, determining whether the result set is empty
// is just a matter of checking whether there are rows in the fetch buffer.
if (0 == serverCursorId)
return fetchBufferHasRows();
// For server-cursored result sets, the row count tells whether the result set
// is empty. Assumption: server cursors that do not provide a row count (e.g. DYNAMIC)
// are handled above.
assert rowCount >= 0;
boolean value = rowCount > 0;
loggerExternal.exiting(getClassNameLogging(), "isBeforeFirst", value);
return value;
}
@Override
public boolean isAfterLast() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "isAfterLast");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
//
// We deviate from JDBC spec here and allow this call on forward only client-cursored
// result sets. Other drivers do the same. Hibernate requires this behavior.
if (0 != serverCursorId) {
verifyResultSetIsScrollable();
// Scrollable DYNAMIC cursors do not support isAfterLast() since they
// don't provide a row count and cannot distinguish an empty fetch
// buffer from an empty result set.
if (TDS.SCROLLOPT_DYNAMIC == stmt.getCursorType() && !isForwardOnly())
throwUnsupportedCursorOp();
}
if (isOnInsertRow)
return false;
// By the time the cursor is positioned after the last row of the result set,
// the count of rows must be known.
assert !(AFTER_LAST_ROW == currentRow && UNKNOWN_ROW_COUNT == rowCount);
boolean value = AFTER_LAST_ROW == currentRow && rowCount > 0;
loggerExternal.exiting(getClassNameLogging(), "isAfterLast", value);
return value;
}
/**
* Returns whether the cursor is on the first row of this ResultSet object.
*
* This method should be called only on ResultSet objects that are scrollable: TYPE_SCROLL_SENSITIVE,
* TYPE_SCROLL_INSENSITIVE, TYPE_SS_SCROLL_STATIC, TYPE_SS_SCROLL_KEYSET, TYPE_SS_SCROLL_DYNAMIC.
*
*
* Note:Support for the isFirst method is optional for ResultSets with a
* result set type of TYPE_FORWARD_ONLY
*
* @return true if the cursor is on the first row; false otherwise
*
* @exception SQLException
* if a database access error occurs or this method is called on a closed result set
*
* @since 1.2
*/
@Override
public boolean isFirst() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "isFirst");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
// DYNAMIC cursors do not support isFirst(). There is no way to determine absolute
// position within the result set with a DYNAMIC cursor.
if (isDynamic())
throwUnsupportedCursorOp();
if (isOnInsertRow)
return false;
// At this point we must have a cursor that is scrollable and non-DYNAMIC.
// That is, we have a cursor that has a notion of absolute position.
assert UNKNOWN_ROW != currentRow;
// Just return whether that absolution position is the first row.
boolean value = 1 == currentRow;
loggerExternal.exiting(getClassNameLogging(), "isFirst", value);
return value;
}
/**
* Returns whether the cursor is on the last row of this ResultSet object. Note:
* Calling the method isLast may be expensive because the JDBC driver might need to fetch ahead one row
* in order to determine whether the current row is the last row in the result set.
*
*
* This method should be called only on ResultSet objects that are scrollable: TYPE_SCROLL_SENSITIVE,
* TYPE_SCROLL_INSENSITIVE, TYPE_SS_SCROLL_STATIC, TYPE_SS_SCROLL_KEYSET, TYPE_SS_SCROLL_DYNAMIC.
*
*
* Note: Support for the isLast method is optional for ResultSets with a
* result set type of TYPE_FORWARD_ONLY
*
* @return true if the cursor is on the last row; false otherwise
*
* @exception SQLException
* if a database access error occurs or this method is called on a closed result set
*
* @since 1.2
*/
@Override
public boolean isLast() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "isLast");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
// DYNAMIC cursors do not support isLast(). There is no way to determine absolute
// position within the result set with a DYNAMIC cursor.
if (isDynamic())
throwUnsupportedCursorOp();
if (isOnInsertRow)
return false;
// If the cursor is before the first row or after the last row then
// it is by definition not on the last row.
if (!hasCurrentRow())
return false;
// At this point circumstances are such that we must know the current row
assert currentRow >= 1;
// Determining whether the current row is the last row is easy if we know the row count
if (UNKNOWN_ROW_COUNT != rowCount) {
assert currentRow <= rowCount;
return currentRow == rowCount;
}
// If we don't know the row count, determining whether the current row is
// the last row is not quite as straightforward, but still reasonably efficient.
// Presumably since we've ruled out a DYNAMIC cursor, the only way we would
// not know the row count at this point is if we have a client cursor.
assert 0 == serverCursorId;
// All server cursors other than DYNAMIC give us a row count. If we have
// a client cursor, then we can tell whether the current row is the last
// row just by checking whether there are any more rows in the fetch buffer.
// A call to isLast() logically should not modify the current position in
// the response, so save the current position and restore it on exit.
boolean isLast = !next();
previous();
loggerExternal.exiting(getClassNameLogging(), "isLast", isLast);
return isLast;
}
@Override
public void beforeFirst() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "beforeFirst");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
moverInit();
moveBeforeFirst();
loggerExternal.exiting(getClassNameLogging(), "beforeFirst");
}
private void moveBeforeFirst() throws SQLServerException {
if (0 == serverCursorId) {
fetchBufferBeforeFirst();
scrollWindow.clear();
} else {
doServerFetch(TDS.FETCH_FIRST, 0, 0);
}
currentRow = BEFORE_FIRST_ROW;
}
@Override
public void afterLast() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "afterLast");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
moverInit();
moveAfterLast();
loggerExternal.exiting(getClassNameLogging(), "afterLast");
}
private void moveAfterLast() throws SQLServerException {
assert !isForwardOnly();
if (0 == serverCursorId)
clientMoveAfterLast();
else
doServerFetch(TDS.FETCH_LAST, 0, 0);
currentRow = AFTER_LAST_ROW;
}
/**
* Moves the cursor to the first row in this ResultSet object.
*
*
* This method should be called only on ResultSet objects that are scrollable: TYPE_SCROLL_SENSITIVE,
* TYPE_SCROLL_INSENSITIVE, TYPE_SS_SCROLL_STATIC, TYPE_SS_SCROLL_KEYSET, TYPE_SS_SCROLL_DYNAMIC.
*
*
* @return true if the cursor is on a valid row; false if there are no rows in the result
* set
*
* @exception SQLException
* if a database access error occurs; this method is called on a closed result set or the result set type
* is TYPE_FORWARD_ONLY
*
* @since 1.2
*/
@Override
public boolean first() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "first");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
moverInit();
moveFirst();
boolean value = hasCurrentRow();
loggerExternal.exiting(getClassNameLogging(), "first", value);
return value;
}
private void moveFirst() throws SQLServerException {
if (0 == serverCursorId) {
moveBeforeFirst();
} else {
// Fetch the first block of up to fetchSize rows
doServerFetch(TDS.FETCH_FIRST, 0, fetchSize);
}
// Start the scroll window at the first row in the fetch buffer
if (!scrollWindow.next(this)) {
// If there are no rows in the result set then just ensure the current row
// is positioned at a consistent location so that subsequent ResultSet
// operations behave consistently.
//
// The actual position of the server cursor does not matter in this case.
currentRow = AFTER_LAST_ROW;
return;
}
// Adjust the current row appropriately
currentRow = isDynamic() ? UNKNOWN_ROW : 1;
}
/**
* Moves the cursor to the last row in this ResultSet object.
*
* This method should be called only on ResultSet objects that are scrollable: TYPE_SCROLL_SENSITIVE,
* TYPE_SCROLL_INSENSITIVE, TYPE_SS_SCROLL_STATIC, TYPE_SS_SCROLL_KEYSET, TYPE_SS_SCROLL_DYNAMIC.
*
* @return true if the cursor is on a valid row; false if there are no rows in the result
* set
*
* @exception SQLException
* if a database access error occurs; this method is called on a closed result set or the result set type
* is TYPE_FORWARD_ONLY
*
* @since 1.2
*/
@Override
public boolean last() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "last");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
moverInit();
moveLast();
boolean value = hasCurrentRow();
loggerExternal.exiting(getClassNameLogging(), "last", value);
return value;
}
private void moveLast() throws SQLServerException {
if (0 == serverCursorId) {
currentRow = clientMoveAbsolute(-1);
return;
}
// Fetch the last block of up to fetchSize rows from the result set
doServerFetch(TDS.FETCH_LAST, 0, fetchSize);
// Start the scroll window at the first row in the fetch buffer
if (!scrollWindow.next(this)) {
// If there are no rows in the result set then just ensure the current row
// is positioned at a consistent location so that subsequent ResultSet
// operations behave consistently.
//
// The actual position of the server cursor does not matter in this case.
currentRow = AFTER_LAST_ROW;
return;
}
// Scroll to the last of the returned rows
while (scrollWindow.next(this));
scrollWindow.previous(this);
// Adjust the current row appropriately
currentRow = isDynamic() ? UNKNOWN_ROW : rowCount;
}
@Override
public int getRow() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getRow");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// DYNAMIC (scrollable) cursors do not support getRow() since they do not have any
// concept of absolute position.
if (isDynamic() && !isForwardOnly())
throwUnsupportedCursorOp();
// From JDBC spec:
// [returns] 0 if there is no current row.
//
// From our ResultSet Cursors feature spec:
// getRow returns 0 when in insert mode.
if (!hasCurrentRow() || isOnInsertRow)
return 0;
// We should be dealing with a cursor type that has a notion of absolute position
assert currentRow >= 1;
// Return that absolute position
loggerExternal.exiting(getClassNameLogging(), "getRow", currentRow);
return currentRow;
}
/**
* Moves the cursor to the given row number in this ResultSet object.
*
*
* This method should be called only on ResultSet objects that are scrollable: TYPE_SCROLL_SENSITIVE,
* TYPE_SCROLL_INSENSITIVE, TYPE_SS_SCROLL_STATIC, TYPE_SS_SCROLL_KEYSET, TYPE_SS_SCROLL_DYNAMIC.
*
*
*
* If the row number is positive, the cursor moves to the given row number with respect to the beginning of the
* result set. The first row is row 1, the second is row 2, and so on.
*
*
* If the given row number is negative, the cursor moves to an absolute row position with respect to the end of the
* result set. For example, calling the method absolute(-1) positions the cursor on the last row;
* calling the method absolute(-2) moves the cursor to the next-to-last row, and so on.
*
*
* If the row number specified is zero, the cursor is moved to before the first row.
*
*
* An attempt to position the cursor beyond the first/last row in the result set leaves the cursor before the first
* row or after the last row.
*
*
* Note: Calling absolute(1) is the same as calling first(). Calling
* absolute(-1) is the same as calling last().
*
* @param row
* the number of the row to which the cursor should move. A value of zero indicates that the cursor will be
* positioned before the first row; a positive number indicates the row number counting from the beginning of
* the result set; a negative number indicates the row number counting from the end of the result set
*
* @return true if the cursor is moved to a position in this ResultSet object;
* false if the cursor is before the first row or after the last row
*
* @exception SQLException
* if a database access error occurs; this method is called on a closed result set or the result set type
* is TYPE_FORWARD_ONLY
*
* @since 1.2
*/
@Override
public boolean absolute(int row) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "absolute");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " row:" + row + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
// DYNAMIC cursors do not support absolute(). There is no way to determine absolute
// position within the result set with a DYNAMIC cursor.
if (isDynamic())
throwUnsupportedCursorOp();
moverInit();
moveAbsolute(row);
boolean value = hasCurrentRow();
loggerExternal.exiting(getClassNameLogging(), "absolute", value);
return value;
}
private void moveAbsolute(int row) throws SQLServerException {
// Absolute positioning is not allowed for cursor types that don't support
// knowing the absolute position.
assert UNKNOWN_ROW != currentRow;
assert !isDynamic();
switch (row) {
// If row is 0, the cursor is positioned before the first row.
case 0:
moveBeforeFirst();
return;
// Calling absolute(1) is the same as calling the method first().
case 1:
moveFirst();
return;
// Calling absolute(-1) is the same as calling the method last().
case -1:
moveLast();
return;
default:
// Depending on how much we know about the result set, an absolute move
// can be translated into a relative move. The advantage to doing this
// is that we gain the benefit of using the scroll window, which reduces
// calls to the server when absolute moves can translate to small moves
// relative to the current row.
if (hasCurrentRow()) {
assert currentRow >= 1;
// If the absolute move is from the start of the result set (+ve rows)
// then we can easily express it as a relative (to the current row) move:
// the amount to move is just the difference between the current row and
// the target absolute row.
if (row > 0) {
moveRelative(row - currentRow);
return;
}
// If the absolute move is from the end of the result set (-ve rows)
// then we also need to know how many rows are in the result set.
// If we do then we can convert to an absolute move from the start
// of the result set, and apply the logic above.
if (UNKNOWN_ROW_COUNT != rowCount) {
assert row < 0;
moveRelative((rowCount + row + 1) - currentRow);
return;
}
}
// Ok, so there's no chance of a relative move. In other words, the current
// position may be before the first row or after the last row. Or perhaps
// it's an absolute move from the end of the result set and we don't know
// how many rows there are yet (can happen with a scrollable client cursor).
// In that case, we need to move absolutely.
// Try to fetch a block of up to fetchSize rows starting at row row.
if (0 == serverCursorId) {
currentRow = clientMoveAbsolute(row);
return;
}
doServerFetch(TDS.FETCH_ABSOLUTE, row, fetchSize);
// If the absolute server fetch didn't land somewhere on the result set
// then it's either before the first row or after the last row.
if (!scrollWindow.next(this)) {
currentRow = (row < 0) ? BEFORE_FIRST_ROW : AFTER_LAST_ROW;
return;
}
// The absolute server fetch landed somewhere on the result set,
// so update the current row to reflect the new position.
if (row > 0) {
// The current row is just the row to which we moved.
currentRow = row;
} else {
// Absolute fetch with -ve row is relative to the end of the result set.
assert row < 0;
assert rowCount + row + 1 >= 1;
currentRow = rowCount + row + 1;
}
}
}
private boolean fetchBufferHasRows() throws SQLServerException {
// Never call this with server cursors without first determining whether the
// fetch buffer exists yet.
assert 0 == serverCursorId;
assert null != tdsReader;
assert lastColumnIndex >= 0;
// If we're somewhere in the middle of a row, then obviously the fetch buffer has rows!
if (lastColumnIndex >= 1)
return true;
// We're not somewhere in the middle of a row, so we're either at the start of a row
// or looking at an empty fetch buffer. Peeking at the next TDS token tells us which.
int tdsTokenType = tdsReader.peekTokenType();
// Return whether the next item in the response appears to be a row or something
// that should have been a row.
return (TDS.TDS_ROW == tdsTokenType || TDS.TDS_NBCROW == tdsTokenType || TDS.TDS_MSG == tdsTokenType
|| TDS.TDS_ERR == tdsTokenType);
}
final void discardCurrentRow() throws SQLServerException {
assert lastColumnIndex >= 0;
updatedCurrentRow = false;
deletedCurrentRow = false;
if (lastColumnIndex >= 1) {
initializeNullCompressedColumns();
// Discard columns up to, but not including, the last indexed column
for (int columnIndex = 1; columnIndex < lastColumnIndex; ++columnIndex)
getColumn(columnIndex).clear();
// Skip and discard the remainder of the last indexed column
// and all subsequent columns
skipColumns(columns.length + 1 - lastColumnIndex, true);
}
// reset areNullCompressedColumnsInitialized to false and row type to unknown
resultSetCurrentRowType = RowType.UNKNOWN;
areNullCompressedColumnsInitialized = false;
}
final int fetchBufferGetRow() {
if (isForwardOnly())
return numFetchedRows;
return scrollWindow.getRow();
}
final void fetchBufferBeforeFirst() throws SQLServerException {
// Never call this with server cursors without first determining whether the
// fetch buffer exists yet.
assert 0 == serverCursorId;
assert null != tdsReader;
discardCurrentRow();
fetchBuffer.reset();
lastColumnIndex = 0;
}
final TDSReaderMark fetchBufferMark() {
// Never call this if we don't have a fetch buffer...
assert null != tdsReader;
return tdsReader.mark();
}
final void fetchBufferReset(TDSReaderMark mark) throws SQLServerException {
// Never call this if we don't have a fetch buffer...
assert null != tdsReader;
assert null != mark;
discardCurrentRow();
tdsReader.reset(mark);
lastColumnIndex = 1;
}
final boolean fetchBufferNext() throws SQLServerException {
// If we don't have a fetch buffer yet then there are no rows to fetch
if (null == tdsReader)
return false;
// We do have a fetch buffer. So discard the current row in the fetch buffer and ...
discardCurrentRow();
// ... scan for the next row.
// If we didn't find one, then we're done.
RowType fetchBufferCurrentRowType = RowType.UNKNOWN;
try {
fetchBufferCurrentRowType = fetchBuffer.nextRow();
if (fetchBufferCurrentRowType.equals(RowType.UNKNOWN))
return false;
} catch (SQLServerException e) {
currentRow = AFTER_LAST_ROW;
rowErrorException = e;
throw e;
} finally {
lastColumnIndex = 0;
resultSetCurrentRowType = fetchBufferCurrentRowType;
}
// Otherwise, we found a row.
++numFetchedRows;
lastColumnIndex = 1;
return true;
}
private void clientMoveAfterLast() throws SQLServerException {
assert UNKNOWN_ROW != currentRow;
int rowsSkipped = 0;
while (fetchBufferNext())
++rowsSkipped;
if (UNKNOWN_ROW_COUNT == rowCount) {
assert AFTER_LAST_ROW != currentRow;
rowCount = ((BEFORE_FIRST_ROW == currentRow) ? 0 : currentRow) + rowsSkipped;
}
}
private int clientMoveAbsolute(int row) throws SQLServerException {
assert 0 == serverCursorId;
scrollWindow.clear();
// Because there is no way to know how far from the end of the result
// set we are, if we are asked to move some number of rows from the end
// of the result set then we must translate that into some number of rows
// to move from the start (i.e. convert a negative row move to a positive
// row move).
if (row < 0) {
// In order to convert a negative move to an absolute positive move,
// we need to know the number of rows in the result set. If we don't
// already know the row count, then moving after the last row is
// the only way to compute it (as a side effect).
if (UNKNOWN_ROW_COUNT == rowCount) {
clientMoveAfterLast();
currentRow = AFTER_LAST_ROW;
}
// Now that we know the row count, we can translate the negative
// move into a positive one.
assert rowCount >= 0;
// If we are moving backward from the end more rows than are in the
// result set, then the ultimate position ends up before the first row.
if (rowCount + row < 0) {
moveBeforeFirst();
return BEFORE_FIRST_ROW;
}
row = rowCount + row + 1;
}
// At this point we were either given a positive row movement from
// the start of the result set or we have converted the negative row
// movement that we were given from the end of the result set into a
// positive row movememnt.
assert row > 0;
// If the target row lies somewhere before the current row (including the
// current row itself, because moving to the current row moves back to
// the _beginning_ of the current row), then we have to move all the way
// back to the beginning of the result set, and then move from there.
if (AFTER_LAST_ROW == currentRow || row <= currentRow)
moveBeforeFirst();
// Now move from the current row (which may be before the first row)
// to the target row.
assert BEFORE_FIRST_ROW == currentRow || currentRow < row;
while (currentRow != row) {
if (!fetchBufferNext()) {
if (UNKNOWN_ROW_COUNT == rowCount)
rowCount = currentRow;
return AFTER_LAST_ROW;
}
// Update the current row.
// Note that if the position was before the first row, the current
// row should be updated to row 1.
if (BEFORE_FIRST_ROW == currentRow)
currentRow = 1;
else
updateCurrentRow(1);
}
return row;
}
/**
* Moves the cursor to the previous row in this ResultSet object.
*
* This method should be called only on ResultSet objects that are scrollable: TYPE_SCROLL_SENSITIVE,
* TYPE_SCROLL_INSENSITIVE, TYPE_SS_SCROLL_STATIC, TYPE_SS_SCROLL_KEYSET, TYPE_SS_SCROLL_DYNAMIC.
*
* @return true if the cursor is now positioned on a valid row; false if the cursor is
* positioned before the first row
*
* @exception SQLException
* if a database access error occurs; this method is called on a closed result set or the result set type
* is TYPE_FORWARD_ONLY
*
* @since 1.2
*/
@Override
public boolean previous() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "previous");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
moverInit();
if (BEFORE_FIRST_ROW == currentRow)
return false;
if (AFTER_LAST_ROW == currentRow)
moveLast();
else
moveBackward(-1);
boolean value = hasCurrentRow();
loggerExternal.exiting(getClassNameLogging(), "previous", value);
return value;
}
private void cancelInsert() {
if (isOnInsertRow) {
isOnInsertRow = false;
clearColumnsValues();
}
}
/** Clear any updated column values for the current row in the result set. */
final void clearColumnsValues() {
for (Column column : columns)
column.cancelUpdates();
}
@Override
public SQLWarning getWarnings() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getWarnings");
loggerExternal.exiting(getClassNameLogging(), "getWarnings", null);
return null;
}
@Override
public void setFetchDirection(int direction) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "setFetchDirection", direction);
checkClosed();
// From JDBC spec:
// Throws SQLException if the type of this ResultSet object is TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
if ((ResultSet.FETCH_FORWARD != direction && ResultSet.FETCH_REVERSE != direction
&& ResultSet.FETCH_UNKNOWN != direction) ||
(ResultSet.FETCH_FORWARD != direction
&& (SQLServerResultSet.TYPE_SS_DIRECT_FORWARD_ONLY == stmt.resultSetType
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == stmt.resultSetType))) {
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidFetchDirection"));
Object[] msgArgs = {direction};
SQLServerException.makeFromDriverError(stmt.connection, stmt, form.format(msgArgs), null, false);
}
fetchDirection = direction;
loggerExternal.exiting(getClassNameLogging(), "setFetchDirection");
}
@Override
public int getFetchDirection() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getFetchDirection");
checkClosed();
loggerExternal.exiting(getClassNameLogging(), "getFetchDirection", fetchDirection);
return fetchDirection;
}
@Override
public void setFetchSize(int rows) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "setFetchSize", rows);
checkClosed();
if (rows < 0)
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_invalidFetchSize"), null, false);
fetchSize = (0 == rows) ? stmt.defaultFetchSize : rows;
loggerExternal.exiting(getClassNameLogging(), "setFetchSize");
}
@Override
public int getFetchSize() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getFetchSize");
checkClosed();
loggerExternal.exiting(getClassNameLogging(), "getFloat", fetchSize);
return fetchSize;
}
@Override
public int getType() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getType");
checkClosed();
int value = stmt.getResultSetType();
loggerExternal.exiting(getClassNameLogging(), "getType", value);
return value;
}
@Override
public int getConcurrency() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getConcurrency");
checkClosed();
int value = stmt.getResultSetConcurrency();
loggerExternal.exiting(getClassNameLogging(), "getConcurrency", value);
return value;
}
/* ---------------------- Column gets --------------------------------- */
/**
* Does all the common stuff necessary when calling a getter for the column at index.
*
* @param index
* the index of the column to get
*/
Column getterGetColumn(int index) throws SQLServerException {
// Note that we don't verify here that we're not on the insert row. According to
// our RS cursors spec:
// Columns on the insert row are initially in an uninitialized state. Calls to
// update set the column state to initialized. A call to get for an
// uninitialized column throws an exception.
// It doesn't say anything about calls to initialized columns (i.e. what happens
// if update has been called). Shipped behavior is that the value returned
// is the value of the current row, not the updated value in the insert row!
verifyResultSetHasCurrentRow();
verifyCurrentRowIsNotDeleted("R_cantGetColumnValueFromDeletedRow");
verifyValidColumnIndex(index);
if (updatedCurrentRow) {
doRefreshRow();
verifyResultSetHasCurrentRow();
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " Getting Column:" + index);
fillLOBs();
return loadColumn(index);
}
private Object getValue(int columnIndex, JDBCType jdbcType) throws SQLServerException {
return getValue(columnIndex, jdbcType, null, null);
}
private Object getValue(int columnIndex, JDBCType jdbcType, Calendar cal) throws SQLServerException {
return getValue(columnIndex, jdbcType, null, cal);
}
private Object getValue(int columnIndex, JDBCType jdbcType,
InputStreamGetterArgs getterArgs) throws SQLServerException {
return getValue(columnIndex, jdbcType, getterArgs, null);
}
private Object getValue(int columnIndex, JDBCType jdbcType, InputStreamGetterArgs getterArgs,
Calendar cal) throws SQLServerException {
Object o = getterGetColumn(columnIndex).getValue(jdbcType, getterArgs, cal, tdsReader, stmt);
lastValueWasNull = (null == o);
return o;
}
void setInternalVariantType(int columnIndex, SqlVariant type) throws SQLServerException {
getterGetColumn(columnIndex).setInternalVariant(type);
}
SqlVariant getVariantInternalType(int columnIndex) throws SQLServerException {
return getterGetColumn(columnIndex).getInternalVariant();
}
private Object getStream(int columnIndex, StreamType streamType) throws SQLServerException {
Object value = getValue(columnIndex, streamType.getJDBCType(), new InputStreamGetterArgs(streamType,
stmt.getExecProps().isResponseBufferingAdaptive(), isForwardOnly(), toString()));
activeStream = (Closeable) value;
return value;
}
private SQLXML getSQLXMLInternal(int columnIndex) throws SQLServerException {
SQLServerSQLXML value = (SQLServerSQLXML) getValue(columnIndex, JDBCType.SQLXML, new InputStreamGetterArgs(
StreamType.SQLXML, stmt.getExecProps().isResponseBufferingAdaptive(), isForwardOnly(), toString()));
if (null != value)
activeStream = value.getStream();
return value;
}
private void configureLobs(SQLServerLob lob) throws SQLServerException {
if (null != stmt) {
Connection c = stmt.getConnection();
if (c instanceof ISQLServerConnection) {
if (null != c && !((ISQLServerConnection) c).getDelayLoadingLobs() && null != lob) {
lob.setDelayLoadingLob();
}
}
}
activeLOB = lob;
}
@Override
public java.io.InputStream getAsciiStream(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getAsciiStream", columnIndex);
checkClosed();
InputStream value = (InputStream) getStream(columnIndex, StreamType.ASCII);
loggerExternal.exiting(getClassNameLogging(), "getAsciiStream", value);
return value;
}
@Override
public java.io.InputStream getAsciiStream(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getAsciiStream", columnName);
checkClosed();
InputStream value = (InputStream) getStream(findColumn(columnName), StreamType.ASCII);
loggerExternal.exiting(getClassNameLogging(), "getAsciiStream", value);
return value;
}
@Deprecated
@Override
public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getBigDecimal", new Object[] {columnIndex, scale});
checkClosed();
BigDecimal value = (BigDecimal) getValue(columnIndex, JDBCType.DECIMAL);
if (null != value)
value = value.setScale(scale, BigDecimal.ROUND_DOWN);
loggerExternal.exiting(getClassNameLogging(), "getBigDecimal", value);
return value;
}
@Deprecated
@Override
public BigDecimal getBigDecimal(String columnName, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "columnName", new Object[] {columnName, scale});
checkClosed();
BigDecimal value = (BigDecimal) getValue(findColumn(columnName), JDBCType.DECIMAL);
if (null != value)
value = value.setScale(scale, BigDecimal.ROUND_DOWN);
loggerExternal.exiting(getClassNameLogging(), "getBigDecimal", value);
return value;
}
@Override
public java.io.InputStream getBinaryStream(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBinaryStream", columnIndex);
checkClosed();
InputStream value = (InputStream) getStream(columnIndex, StreamType.BINARY);
loggerExternal.exiting(getClassNameLogging(), "getBinaryStream", value);
return value;
}
@Override
public java.io.InputStream getBinaryStream(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBinaryStream", columnName);
checkClosed();
InputStream value = (InputStream) getStream(findColumn(columnName), StreamType.BINARY);
loggerExternal.exiting(getClassNameLogging(), "getBinaryStream", value);
return value;
}
@Override
public boolean getBoolean(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBoolean", columnIndex);
checkClosed();
Boolean value = (Boolean) getValue(columnIndex, JDBCType.BIT);
loggerExternal.exiting(getClassNameLogging(), "getBoolean", value);
return null != value ? value : false;
}
@Override
public boolean getBoolean(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBoolean", columnName);
checkClosed();
Boolean value = (Boolean) getValue(findColumn(columnName), JDBCType.BIT);
loggerExternal.exiting(getClassNameLogging(), "getBoolean", value);
return null != value ? value : false;
}
@Override
public byte getByte(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getByte", columnIndex);
checkClosed();
Short value = (Short) getValue(columnIndex, JDBCType.TINYINT);
loggerExternal.exiting(getClassNameLogging(), "getByte", value);
return null != value ? value.byteValue() : 0;
}
@Override
public byte getByte(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getByte", columnName);
checkClosed();
Short value = (Short) getValue(findColumn(columnName), JDBCType.TINYINT);
loggerExternal.exiting(getClassNameLogging(), "getByte", value);
return null != value ? value.byteValue() : 0;
}
@Override
public byte[] getBytes(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBytes", columnIndex);
checkClosed();
byte[] value = (byte[]) getValue(columnIndex, JDBCType.BINARY);
loggerExternal.exiting(getClassNameLogging(), "getBytes", value);
return value;
}
@Override
public byte[] getBytes(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBytes", columnName);
checkClosed();
byte[] value = (byte[]) getValue(findColumn(columnName), JDBCType.BINARY);
loggerExternal.exiting(getClassNameLogging(), "getBytes", value);
return value;
}
@Override
public java.sql.Date getDate(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDate", columnIndex);
checkClosed();
java.sql.Date value = (java.sql.Date) getValue(columnIndex, JDBCType.DATE);
loggerExternal.exiting(getClassNameLogging(), "getDate", value);
return value;
}
@Override
public java.sql.Date getDate(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDate", columnName);
checkClosed();
java.sql.Date value = (java.sql.Date) getValue(findColumn(columnName), JDBCType.DATE);
loggerExternal.exiting(getClassNameLogging(), "getDate", value);
return value;
}
@Override
public java.sql.Date getDate(int columnIndex, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getDate", new Object[] {columnIndex, cal});
checkClosed();
java.sql.Date value = (java.sql.Date) getValue(columnIndex, JDBCType.DATE, cal);
loggerExternal.exiting(getClassNameLogging(), "getDate", value);
return value;
}
@Override
public java.sql.Date getDate(String colName, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getDate", new Object[] {colName, cal});
checkClosed();
java.sql.Date value = (java.sql.Date) getValue(findColumn(colName), JDBCType.DATE, cal);
loggerExternal.exiting(getClassNameLogging(), "getDate", value);
return value;
}
@Override
public double getDouble(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDouble", columnIndex);
checkClosed();
Double value = (Double) getValue(columnIndex, JDBCType.DOUBLE);
loggerExternal.exiting(getClassNameLogging(), "getDouble", value);
return null != value ? value : 0;
}
@Override
public double getDouble(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDouble", columnName);
checkClosed();
Double value = (Double) getValue(findColumn(columnName), JDBCType.DOUBLE);
loggerExternal.exiting(getClassNameLogging(), "getDouble", value);
return null != value ? value : 0;
}
@Override
public float getFloat(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getFloat", columnIndex);
checkClosed();
Float value = (Float) getValue(columnIndex, JDBCType.REAL);
loggerExternal.exiting(getClassNameLogging(), "getFloat", value);
return null != value ? value : 0;
}
@Override
public float getFloat(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getFloat", columnName);
checkClosed();
Float value = (Float) getValue(findColumn(columnName), JDBCType.REAL);
loggerExternal.exiting(getClassNameLogging(), "getFloat", value);
return null != value ? value : 0;
}
@Override
public Geometry getGeometry(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getFloat", columnIndex);
checkClosed();
Geometry value = (Geometry) getValue(columnIndex, JDBCType.GEOMETRY);
loggerExternal.exiting(getClassNameLogging(), "getFloat", value);
return value;
}
@Override
public Geometry getGeometry(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getFloat", columnName);
checkClosed();
Geometry value = (Geometry) getValue(findColumn(columnName), JDBCType.GEOMETRY);
loggerExternal.exiting(getClassNameLogging(), "getFloat", value);
return value;
}
@Override
public Geography getGeography(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getFloat", columnIndex);
checkClosed();
Geography value = (Geography) getValue(columnIndex, JDBCType.GEOGRAPHY);
loggerExternal.exiting(getClassNameLogging(), "getFloat", value);
return value;
}
@Override
public Geography getGeography(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getFloat", columnName);
checkClosed();
Geography value = (Geography) getValue(findColumn(columnName), JDBCType.GEOGRAPHY);
loggerExternal.exiting(getClassNameLogging(), "getFloat", value);
return value;
}
@Override
public int getInt(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getInt", columnIndex);
checkClosed();
Integer value = (Integer) getValue(columnIndex, JDBCType.INTEGER);
loggerExternal.exiting(getClassNameLogging(), "getInt", value);
return null != value ? value : 0;
}
@Override
public int getInt(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getInt", columnName);
checkClosed();
Integer value = (Integer) getValue(findColumn(columnName), JDBCType.INTEGER);
loggerExternal.exiting(getClassNameLogging(), "getInt", value);
return null != value ? value : 0;
}
@Override
public long getLong(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getLong", columnIndex);
checkClosed();
Long value = (Long) getValue(columnIndex, JDBCType.BIGINT);
loggerExternal.exiting(getClassNameLogging(), "getLong", value);
return null != value ? value : 0;
}
@Override
public long getLong(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getLong", columnName);
checkClosed();
Long value = (Long) getValue(findColumn(columnName), JDBCType.BIGINT);
loggerExternal.exiting(getClassNameLogging(), "getLong", value);
return null != value ? value : 0;
}
@Override
public java.sql.ResultSetMetaData getMetaData() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getMetaData");
checkClosed();
if (metaData == null)
metaData = new SQLServerResultSetMetaData(stmt.connection, this);
loggerExternal.exiting(getClassNameLogging(), "getMetaData", metaData);
return metaData;
}
@Override
public Object getObject(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getObject", columnIndex);
checkClosed();
Object value = getValue(columnIndex, getterGetColumn(columnIndex).getTypeInfo().getSSType().getJDBCType());
loggerExternal.exiting(getClassNameLogging(), "getObject", value);
return value;
}
@Override
public T getObject(int columnIndex, Class type) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getObject", columnIndex);
checkClosed();
Object returnValue;
if (type == String.class) {
returnValue = getString(columnIndex);
} else if (type == Byte.class) {
byte byteValue = getByte(columnIndex);
returnValue = wasNull() ? null : byteValue;
} else if (type == Short.class) {
short shortValue = getShort(columnIndex);
returnValue = wasNull() ? null : shortValue;
} else if (type == Integer.class) {
int intValue = getInt(columnIndex);
returnValue = wasNull() ? null : intValue;
} else if (type == Long.class) {
long longValue = getLong(columnIndex);
returnValue = wasNull() ? null : longValue;
} else if (type == BigDecimal.class) {
returnValue = getBigDecimal(columnIndex);
} else if (type == Boolean.class) {
boolean booleanValue = getBoolean(columnIndex);
returnValue = wasNull() ? null : booleanValue;
} else if (type == java.sql.Date.class) {
returnValue = getDate(columnIndex);
} else if (type == java.sql.Time.class) {
returnValue = getTime(columnIndex);
} else if (type == java.sql.Timestamp.class) {
returnValue = getTimestamp(columnIndex);
} else if (type == java.time.LocalDateTime.class || type == java.time.LocalDate.class
|| type == java.time.LocalTime.class) {
java.time.LocalDateTime ldt = getLocalDateTime(columnIndex);
if (null == ldt) {
returnValue = null;
} else {
if (type == java.time.LocalDateTime.class) {
returnValue = ldt;
} else if (type == java.time.LocalDate.class) {
returnValue = ldt.toLocalDate();
} else {
returnValue = ldt.toLocalTime();
}
}
} else if (type == java.time.OffsetDateTime.class) {
microsoft.sql.DateTimeOffset dateTimeOffset = getDateTimeOffset(columnIndex);
if (dateTimeOffset == null) {
returnValue = null;
} else {
returnValue = dateTimeOffset.getOffsetDateTime();
}
} else if (type == java.time.OffsetTime.class) {
microsoft.sql.DateTimeOffset dateTimeOffset = getDateTimeOffset(columnIndex);
if (dateTimeOffset == null) {
returnValue = null;
} else {
returnValue = dateTimeOffset.getOffsetDateTime().toOffsetTime();
}
} else if (type == microsoft.sql.DateTimeOffset.class) {
returnValue = getDateTimeOffset(columnIndex);
} else if (type == UUID.class) {
// read binary, avoid string allocation and parsing
byte[] guid = getBytes(columnIndex);
returnValue = guid != null ? Util.readGUIDtoUUID(guid) : null;
} else if (type == SQLXML.class) {
returnValue = getSQLXML(columnIndex);
} else if (type == Blob.class) {
returnValue = getBlob(columnIndex);
} else if (type == Clob.class) {
returnValue = getClob(columnIndex);
} else if (type == NClob.class) {
returnValue = getNClob(columnIndex);
} else if (type == byte[].class) {
returnValue = getBytes(columnIndex);
} else if (type == Float.class) {
float floatValue = getFloat(columnIndex);
returnValue = wasNull() ? null : floatValue;
} else if (type == Double.class) {
double doubleValue = getDouble(columnIndex);
returnValue = wasNull() ? null : doubleValue;
} else {
// if the type is not supported the specification says the should
// a SQLException instead of SQLFeatureNotSupportedException
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_unsupportedConversionTo"));
Object[] msgArgs = {type};
throw new SQLServerException(form.format(msgArgs), SQLState.DATA_EXCEPTION_NOT_SPECIFIC,
DriverError.NOT_SET, null);
}
loggerExternal.exiting(getClassNameLogging(), "getObject", columnIndex);
return type.cast(returnValue);
}
@Override
public Object getObject(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getObject", columnName);
checkClosed();
Object value = getObject(findColumn(columnName));
loggerExternal.exiting(getClassNameLogging(), "getObject", value);
return value;
}
@Override
public T getObject(String columnName, Class type) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getObject", columnName);
checkClosed();
T value = getObject(findColumn(columnName), type);
loggerExternal.exiting(getClassNameLogging(), "getObject", value);
return value;
}
@Override
public short getShort(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getShort", columnIndex);
checkClosed();
Short value = (Short) getValue(columnIndex, JDBCType.SMALLINT);
loggerExternal.exiting(getClassNameLogging(), "getShort", value);
return null != value ? value : 0;
}
@Override
public short getShort(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getShort", columnName);
checkClosed();
Short value = (Short) getValue(findColumn(columnName), JDBCType.SMALLINT);
loggerExternal.exiting(getClassNameLogging(), "getShort", value);
return null != value ? value : 0;
}
@Override
public String getString(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getString", columnIndex);
checkClosed();
String value = null;
Object objectValue = getValue(columnIndex, JDBCType.CHAR);
if (null != objectValue) {
value = objectValue.toString();
}
loggerExternal.exiting(getClassNameLogging(), "getString", value);
return value;
}
@Override
public String getString(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getString", columnName);
checkClosed();
String value = null;
Object objectValue = getValue(findColumn(columnName), JDBCType.CHAR);
if (null != objectValue) {
value = objectValue.toString();
}
loggerExternal.exiting(getClassNameLogging(), "getString", value);
return value;
}
@Override
public String getNString(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getNString", columnIndex);
checkClosed();
String value = (String) getValue(columnIndex, JDBCType.NCHAR);
loggerExternal.exiting(getClassNameLogging(), "getNString", value);
return value;
}
@Override
public String getNString(String columnLabel) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getNString", columnLabel);
checkClosed();
String value = (String) getValue(findColumn(columnLabel), JDBCType.NCHAR);
loggerExternal.exiting(getClassNameLogging(), "getNString", value);
return value;
}
@Override
public String getUniqueIdentifier(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getUniqueIdentifier", columnIndex);
checkClosed();
String value = (String) getValue(columnIndex, JDBCType.GUID);
loggerExternal.exiting(getClassNameLogging(), "getUniqueIdentifier", value);
return value;
}
@Override
public String getUniqueIdentifier(String columnLabel) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getUniqueIdentifier", columnLabel);
checkClosed();
String value = (String) getValue(findColumn(columnLabel), JDBCType.GUID);
loggerExternal.exiting(getClassNameLogging(), "getUniqueIdentifier", value);
return value;
}
@Override
public java.sql.Time getTime(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getTime", columnIndex);
checkClosed();
java.sql.Time value = (java.sql.Time) getValue(columnIndex, JDBCType.TIME);
loggerExternal.exiting(getClassNameLogging(), "getTime", value);
return value;
}
@Override
public java.sql.Time getTime(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getTime", columnName);
checkClosed();
java.sql.Time value = (java.sql.Time) getValue(findColumn(columnName), JDBCType.TIME);
loggerExternal.exiting(getClassNameLogging(), "getTime", value);
return value;
}
@Override
public java.sql.Time getTime(int columnIndex, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getTime", new Object[] {columnIndex, cal});
checkClosed();
java.sql.Time value = (java.sql.Time) getValue(columnIndex, JDBCType.TIME, cal);
loggerExternal.exiting(getClassNameLogging(), "getTime", value);
return value;
}
@Override
public java.sql.Time getTime(String colName, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getTime", new Object[] {colName, cal});
checkClosed();
java.sql.Time value = (java.sql.Time) getValue(findColumn(colName), JDBCType.TIME, cal);
loggerExternal.exiting(getClassNameLogging(), "getTime", value);
return value;
}
@Override
public java.sql.Timestamp getTimestamp(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getTimestamp", columnIndex);
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(columnIndex, JDBCType.TIMESTAMP);
loggerExternal.exiting(getClassNameLogging(), "getTimestamp", value);
return value;
}
@Override
public java.sql.Timestamp getTimestamp(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getTimestamp", columnName);
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(findColumn(columnName), JDBCType.TIMESTAMP);
loggerExternal.exiting(getClassNameLogging(), "getTimestamp", value);
return value;
}
@Override
public java.sql.Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getTimestamp", new Object[] {columnIndex, cal});
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(columnIndex, JDBCType.TIMESTAMP, cal);
loggerExternal.exiting(getClassNameLogging(), "getTimeStamp", value);
return value;
}
@Override
public java.sql.Timestamp getTimestamp(String colName, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getTimestamp", new Object[] {colName, cal});
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(findColumn(colName), JDBCType.TIMESTAMP, cal);
loggerExternal.exiting(getClassNameLogging(), "getTimestamp", value);
return value;
}
LocalDateTime getLocalDateTime(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getLocalDateTime", columnIndex);
checkClosed();
LocalDateTime value = (LocalDateTime) getValue(columnIndex, JDBCType.LOCALDATETIME);
loggerExternal.exiting(getClassNameLogging(), "getLocalDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getDateTime(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDateTime", columnIndex);
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(columnIndex, JDBCType.TIMESTAMP);
loggerExternal.exiting(getClassNameLogging(), "getDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getDateTime(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDateTime", columnName);
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(findColumn(columnName), JDBCType.TIMESTAMP);
loggerExternal.exiting(getClassNameLogging(), "getDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getDateTime(int columnIndex, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getDateTime", new Object[] {columnIndex, cal});
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(columnIndex, JDBCType.TIMESTAMP, cal);
loggerExternal.exiting(getClassNameLogging(), "getDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getDateTime(String colName, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getDateTime", new Object[] {colName, cal});
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(findColumn(colName), JDBCType.TIMESTAMP, cal);
loggerExternal.exiting(getClassNameLogging(), "getDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getSmallDateTime(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getSmallDateTime", columnIndex);
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(columnIndex, JDBCType.TIMESTAMP);
loggerExternal.exiting(getClassNameLogging(), "getSmallDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getSmallDateTime(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getSmallDateTime", columnName);
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(findColumn(columnName), JDBCType.TIMESTAMP);
loggerExternal.exiting(getClassNameLogging(), "getSmallDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getSmallDateTime(int columnIndex, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getSmallDateTime", new Object[] {columnIndex, cal});
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(columnIndex, JDBCType.TIMESTAMP, cal);
loggerExternal.exiting(getClassNameLogging(), "getSmallDateTime", value);
return value;
}
@Override
public java.sql.Timestamp getSmallDateTime(String colName, Calendar cal) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getSmallDateTime", new Object[] {colName, cal});
checkClosed();
java.sql.Timestamp value = (java.sql.Timestamp) getValue(findColumn(colName), JDBCType.TIMESTAMP, cal);
loggerExternal.exiting(getClassNameLogging(), "getSmallDateTime", value);
return value;
}
@Override
public microsoft.sql.DateTimeOffset getDateTimeOffset(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDateTimeOffset", columnIndex);
checkClosed();
// DateTimeOffset is not supported with SQL Server versions earlier than Katmai
if (!stmt.connection.isKatmaiOrLater())
throw new SQLServerException(SQLServerException.getErrString("R_notSupported"),
SQLState.DATA_EXCEPTION_NOT_SPECIFIC, DriverError.NOT_SET, null);
microsoft.sql.DateTimeOffset value = (microsoft.sql.DateTimeOffset) getValue(columnIndex,
JDBCType.DATETIMEOFFSET);
loggerExternal.exiting(getClassNameLogging(), "getDateTimeOffset", value);
return value;
}
@Override
public microsoft.sql.DateTimeOffset getDateTimeOffset(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getDateTimeOffset", columnName);
checkClosed();
// DateTimeOffset is not supported with SQL Server versions earlier than Katmai
if (!stmt.connection.isKatmaiOrLater())
throw new SQLServerException(SQLServerException.getErrString("R_notSupported"),
SQLState.DATA_EXCEPTION_NOT_SPECIFIC, DriverError.NOT_SET, null);
microsoft.sql.DateTimeOffset value = (microsoft.sql.DateTimeOffset) getValue(findColumn(columnName),
JDBCType.DATETIMEOFFSET);
loggerExternal.exiting(getClassNameLogging(), "getDateTimeOffset", value);
return value;
}
@Override
@Deprecated
public java.io.InputStream getUnicodeStream(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getUnicodeStream", columnIndex);
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
@Deprecated
public java.io.InputStream getUnicodeStream(String columnName) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getUnicodeStream", columnName);
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public Object getObject(int i, java.util.Map> map) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "getObject", new Object[] {i, map});
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public Ref getRef(int i) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getRef");
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public Blob getBlob(int i) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBlob", i);
checkClosed();
Blob value = (Blob) getValue(i, JDBCType.BLOB);
loggerExternal.exiting(getClassNameLogging(), "getBlob", value);
configureLobs((SQLServerLob) value);
return value;
}
@Override
public Blob getBlob(String colName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getBlob", colName);
checkClosed();
Blob value = (Blob) getValue(findColumn(colName), JDBCType.BLOB);
loggerExternal.exiting(getClassNameLogging(), "getBlob", value);
configureLobs((SQLServerLob) value);
return value;
}
@Override
public Clob getClob(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getClob", columnIndex);
checkClosed();
Clob value = (Clob) getValue(columnIndex, JDBCType.CLOB);
loggerExternal.exiting(getClassNameLogging(), "getClob", value);
configureLobs((SQLServerLob) value);
return value;
}
@Override
public Clob getClob(String colName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getClob", colName);
checkClosed();
Clob value = (Clob) getValue(findColumn(colName), JDBCType.CLOB);
loggerExternal.exiting(getClassNameLogging(), "getClob", value);
configureLobs((SQLServerLob) value);
return value;
}
@Override
public NClob getNClob(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getNClob", columnIndex);
checkClosed();
NClob value = (NClob) getValue(columnIndex, JDBCType.NCLOB);
loggerExternal.exiting(getClassNameLogging(), "getNClob", value);
configureLobs((SQLServerLob) value);
return value;
}
@Override
public NClob getNClob(String columnLabel) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getNClob", columnLabel);
checkClosed();
NClob value = (NClob) getValue(findColumn(columnLabel), JDBCType.NCLOB);
loggerExternal.exiting(getClassNameLogging(), "getNClob", value);
configureLobs((SQLServerLob) value);
return value;
}
@Override
public Array getArray(int i) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public Object getObject(String colName, java.util.Map> map) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public Ref getRef(String colName) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public Array getArray(String colName) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public String getCursorName() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getCursorName");
SQLServerException.makeFromDriverError(null, null,
SQLServerException.getErrString("R_positionedUpdatesNotSupported"), null, false);
loggerExternal.exiting(getClassNameLogging(), "getCursorName", null);
return null;
}
@Override
public java.io.Reader getCharacterStream(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getCharacterStream", columnIndex);
checkClosed();
Reader value = (Reader) getStream(columnIndex, StreamType.CHARACTER);
loggerExternal.exiting(getClassNameLogging(), "getCharacterStream", value);
return value;
}
@Override
public java.io.Reader getCharacterStream(String columnName) throws SQLException {
checkClosed();
loggerExternal.entering(getClassNameLogging(), "getCharacterStream", columnName);
Reader value = (Reader) getStream(findColumn(columnName), StreamType.CHARACTER);
loggerExternal.exiting(getClassNameLogging(), "getCharacterStream", value);
return value;
}
@Override
public Reader getNCharacterStream(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getNCharacterStream", columnIndex);
checkClosed();
Reader value = (Reader) getStream(columnIndex, StreamType.NCHARACTER);
loggerExternal.exiting(getClassNameLogging(), "getNCharacterStream", value);
return value;
}
@Override
public Reader getNCharacterStream(String columnLabel) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getNCharacterStream", columnLabel);
checkClosed();
Reader value = (Reader) getStream(findColumn(columnLabel), StreamType.NCHARACTER);
loggerExternal.exiting(getClassNameLogging(), "getNCharacterStream", value);
return value;
}
@Override
public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getBigDecimal", columnIndex);
checkClosed();
BigDecimal value = (BigDecimal) getValue(columnIndex, JDBCType.DECIMAL);
loggerExternal.exiting(getClassNameLogging(), "getBigDecimal", value);
return value;
}
@Override
public BigDecimal getBigDecimal(String columnName) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getBigDecimal", columnName);
checkClosed();
BigDecimal value = (BigDecimal) getValue(findColumn(columnName), JDBCType.DECIMAL);
loggerExternal.exiting(getClassNameLogging(), "getBigDecimal", value);
return value;
}
@Override
public BigDecimal getMoney(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getMoney", columnIndex);
checkClosed();
BigDecimal value = (BigDecimal) getValue(columnIndex, JDBCType.DECIMAL);
loggerExternal.exiting(getClassNameLogging(), "getMoney", value);
return value;
}
@Override
public BigDecimal getMoney(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getMoney", columnName);
checkClosed();
BigDecimal value = (BigDecimal) getValue(findColumn(columnName), JDBCType.DECIMAL);
loggerExternal.exiting(getClassNameLogging(), "getMoney", value);
return value;
}
@Override
public BigDecimal getSmallMoney(int columnIndex) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getSmallMoney", columnIndex);
checkClosed();
BigDecimal value = (BigDecimal) getValue(columnIndex, JDBCType.DECIMAL);
loggerExternal.exiting(getClassNameLogging(), "getSmallMoney", value);
return value;
}
@Override
public BigDecimal getSmallMoney(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getSmallMoney", columnName);
checkClosed();
BigDecimal value = (BigDecimal) getValue(findColumn(columnName), JDBCType.DECIMAL);
loggerExternal.exiting(getClassNameLogging(), "getSmallMoney", value);
return value;
}
@Override
public RowId getRowId(int columnIndex) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public RowId getRowId(String columnLabel) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public SQLXML getSQLXML(int columnIndex) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getSQLXML", columnIndex);
SQLXML xml = getSQLXMLInternal(columnIndex);
loggerExternal.exiting(getClassNameLogging(), "getSQLXML", xml);
return xml;
}
@Override
public SQLXML getSQLXML(String columnLabel) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getSQLXML", columnLabel);
SQLXML xml = getSQLXMLInternal(findColumn(columnLabel));
loggerExternal.exiting(getClassNameLogging(), "getSQLXML", xml);
return xml;
}
@Override
public boolean rowUpdated() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "rowUpdated");
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
// From ResultSet cursor feature spec:
// SQL Server does not detect updated rows for any cursor type
loggerExternal.exiting(getClassNameLogging(), "rowUpdated", false);
return false;
}
@Override
public boolean rowInserted() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "rowInserted");
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
// From ResultSet cursor feature spec:
// SQL Server does not detect inserted rows for any cursor type
loggerExternal.exiting(getClassNameLogging(), "rowInserted", false);
return false;
}
@Override
public boolean rowDeleted() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "rowDeleted");
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
if (isOnInsertRow || !hasCurrentRow())
return false;
boolean deleted = currentRowDeleted();
loggerExternal.exiting(getClassNameLogging(), "rowDeleted", deleted);
return deleted;
}
/**
* Determines whether the current row of this result set is deleted.
*
* A row may be deleted via the result set cursor (via ResultSet.deleteRow) or it may have been deleted outside the
* cursor. This function checks for both possibilities.
*/
private boolean currentRowDeleted() throws SQLServerException {
// Never call this function without a current row
assert hasCurrentRow();
// Having a current row implies we have a fetch buffer in which that row exists.
assert null != tdsReader;
return deletedCurrentRow || (0 != serverCursorId
&& TDS.ROWSTAT_FETCH_MISSING == loadColumn(columns.length).getInt(tdsReader, stmt));
}
/* ---------------- Column updates ---------------------- */
/**
* Does all the common stuff necessary when calling a getter for the column at index.
*
* @param index
* the index of the column to get
*/
private Column updaterGetColumn(int index) throws SQLServerException {
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
verifyValidColumnIndex(index);
// Verify that the column is updatable (i.e. that it is not a computed column).
if (!columns[index - 1].isUpdatable()) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_cantUpdateColumn"), "07009", false);
}
// Column values on the insert row are always updatable,
// regardless whether this ResultSet has any current row.
if (!isOnInsertRow) {
// Column values can only be updated on the insert row and the current row.
// We just determined that we're not on the insert row, so make sure
// that this ResultSet has a current row (i.e. that the ResultSet's position
// is not before the first row or after the last row).
if (!hasCurrentRow()) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_resultsetNoCurrentRow"), null, true);
}
// A current row exists. Its column values are updatable only if the row
// is not a deleted row ("hole").
verifyCurrentRowIsNotDeleted("R_cantUpdateDeletedRow");
}
return getColumn(index);
}
private void updateValue(int columnIndex, JDBCType jdbcType, Object value, JavaType javaType,
boolean forceEncrypt) throws SQLServerException {
updaterGetColumn(columnIndex).updateValue(jdbcType, value, javaType, null, null, null, stmt.connection,
stmt.stmtColumnEncriptionSetting, null, forceEncrypt, columnIndex);
}
private void updateValue(int columnIndex, JDBCType jdbcType, Object value, JavaType javaType, Calendar cal,
boolean forceEncrypt) throws SQLServerException {
updaterGetColumn(columnIndex).updateValue(jdbcType, value, javaType, null, cal, null, stmt.connection,
stmt.stmtColumnEncriptionSetting, null, forceEncrypt, columnIndex);
}
private void updateValue(int columnIndex, JDBCType jdbcType, Object value, JavaType javaType, Integer precision,
Integer scale, boolean forceEncrypt) throws SQLServerException {
updaterGetColumn(columnIndex).updateValue(jdbcType, value, javaType, null, null, scale, stmt.connection,
stmt.stmtColumnEncriptionSetting, precision, forceEncrypt, columnIndex);
}
private void updateStream(int columnIndex, StreamType streamType, Object value, JavaType javaType,
long length) throws SQLServerException {
updaterGetColumn(columnIndex).updateValue(streamType.getJDBCType(), value, javaType,
new StreamSetterArgs(streamType, length), null, null, stmt.connection, stmt.stmtColumnEncriptionSetting,
null, false, columnIndex);
}
private void updateSQLXMLInternal(int columnIndex, SQLXML value) throws SQLServerException {
updaterGetColumn(columnIndex).updateValue(JDBCType.SQLXML, value, JavaType.SQLXML,
new StreamSetterArgs(StreamType.SQLXML, DataTypes.UNKNOWN_STREAM_LENGTH), null, null, stmt.connection,
stmt.stmtColumnEncriptionSetting, null, false, columnIndex);
}
@Override
public void updateNull(int index) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "updateNull", index);
checkClosed();
updateValue(index, updaterGetColumn(index).getTypeInfo().getSSType().getJDBCType(), null, JavaType.OBJECT,
false);
loggerExternal.exiting(getClassNameLogging(), "updateNull");
}
@Override
public void updateBoolean(int index, boolean x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBoolean", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.BIT, x, JavaType.BOOLEAN, false);
loggerExternal.exiting(getClassNameLogging(), "updateBoolean");
}
@Override
public void updateBoolean(int index, boolean x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBoolean", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.BIT, x, JavaType.BOOLEAN, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBoolean");
}
@Override
public void updateByte(int index, byte x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateByte", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.TINYINT, x, JavaType.BYTE, false);
loggerExternal.exiting(getClassNameLogging(), "updateByte");
}
@Override
public void updateByte(int index, byte x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateByte", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.TINYINT, x, JavaType.BYTE, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateByte");
}
@Override
public void updateShort(int index, short x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateShort", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.SMALLINT, x, JavaType.SHORT, false);
loggerExternal.exiting(getClassNameLogging(), "updateShort");
}
@Override
public void updateShort(int index, short x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateShort", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.SMALLINT, x, JavaType.SHORT, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateShort");
}
@Override
public void updateInt(int index, int x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateInt", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.INTEGER, x, JavaType.INTEGER, false);
loggerExternal.exiting(getClassNameLogging(), "updateInt");
}
@Override
public void updateInt(int index, int x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateInt", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.INTEGER, x, JavaType.INTEGER, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateInt");
}
@Override
public void updateLong(int index, long x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateLong", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.BIGINT, x, JavaType.LONG, false);
loggerExternal.exiting(getClassNameLogging(), "updateLong");
}
@Override
public void updateLong(int index, long x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateLong", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.BIGINT, x, JavaType.LONG, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateLong");
}
@Override
public void updateFloat(int index, float x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateFloat", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.REAL, x, JavaType.FLOAT, false);
loggerExternal.exiting(getClassNameLogging(), "updateFloat");
}
@Override
public void updateFloat(int index, float x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateFloat", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.REAL, x, JavaType.FLOAT, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateFloat");
}
@Override
public void updateDouble(int index, double x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDouble", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.DOUBLE, x, JavaType.DOUBLE, false);
loggerExternal.exiting(getClassNameLogging(), "updateDouble");
}
@Override
public void updateDouble(int index, double x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDouble", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.DOUBLE, x, JavaType.DOUBLE, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDouble");
}
@Override
public void updateMoney(int index, BigDecimal x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateMoney", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.MONEY, x, JavaType.BIGDECIMAL, false);
loggerExternal.exiting(getClassNameLogging(), "updateMoney");
}
@Override
public void updateMoney(int index, BigDecimal x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateMoney", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.MONEY, x, JavaType.BIGDECIMAL, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateMoney");
}
@Override
public void updateMoney(String columnName, BigDecimal x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateMoney", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.MONEY, x, JavaType.BIGDECIMAL, false);
loggerExternal.exiting(getClassNameLogging(), "updateMoney");
}
@Override
public void updateMoney(String columnName, BigDecimal x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateMoney", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.MONEY, x, JavaType.BIGDECIMAL, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateMoney");
}
@Override
public void updateSmallMoney(int index, BigDecimal x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallMoney", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.SMALLMONEY, x, JavaType.BIGDECIMAL, false);
loggerExternal.exiting(getClassNameLogging(), "updateSmallMoney");
}
@Override
public void updateSmallMoney(int index, BigDecimal x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallMoney", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.SMALLMONEY, x, JavaType.BIGDECIMAL, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateSmallMoney");
}
@Override
public void updateSmallMoney(String columnName, BigDecimal x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallMoney", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLMONEY, x, JavaType.BIGDECIMAL, false);
loggerExternal.exiting(getClassNameLogging(), "updateSmallMoney");
}
@Override
public void updateSmallMoney(String columnName, BigDecimal x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallMoney",
new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLMONEY, x, JavaType.BIGDECIMAL, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateSmallMoney");
}
@Override
public void updateBigDecimal(int index, BigDecimal x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, false);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateBigDecimal(int index, BigDecimal x, Integer precision, Integer scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal", new Object[] {index, x, scale});
checkClosed();
updateValue(index, JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, precision, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateBigDecimal(int index, BigDecimal x, Integer precision, Integer scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal",
new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, precision, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateString(int columnIndex, String stringValue) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateString", new Object[] {columnIndex, stringValue});
checkClosed();
updateValue(columnIndex, JDBCType.VARCHAR, stringValue, JavaType.STRING, false);
loggerExternal.exiting(getClassNameLogging(), "updateString");
}
@Override
public void updateString(int columnIndex, String stringValue, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateString",
new Object[] {columnIndex, stringValue, forceEncrypt});
checkClosed();
updateValue(columnIndex, JDBCType.VARCHAR, stringValue, JavaType.STRING, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateString");
}
@Override
public void updateNString(int columnIndex, String nString) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNString", new Object[] {columnIndex, nString});
checkClosed();
updateValue(columnIndex, JDBCType.NVARCHAR, nString, JavaType.STRING, false);
loggerExternal.exiting(getClassNameLogging(), "updateNString");
}
@Override
public void updateNString(int columnIndex, String nString, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNString",
new Object[] {columnIndex, nString, forceEncrypt});
checkClosed();
updateValue(columnIndex, JDBCType.NVARCHAR, nString, JavaType.STRING, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateNString");
}
@Override
public void updateNString(String columnLabel, String nString) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNString", new Object[] {columnLabel, nString});
checkClosed();
updateValue(findColumn(columnLabel), JDBCType.NVARCHAR, nString, JavaType.STRING, false);
loggerExternal.exiting(getClassNameLogging(), "updateNString");
}
@Override
public void updateNString(String columnLabel, String nString, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNString",
new Object[] {columnLabel, nString, forceEncrypt});
checkClosed();
updateValue(findColumn(columnLabel), JDBCType.NVARCHAR, nString, JavaType.STRING, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateNString");
}
@Override
public void updateBytes(int index, byte x[]) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBytes", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.BINARY, x, JavaType.BYTEARRAY, false);
loggerExternal.exiting(getClassNameLogging(), "updateBytes");
}
@Override
public void updateBytes(int index, byte x[], boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBytes", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.BINARY, x, JavaType.BYTEARRAY, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBytes");
}
@Override
public void updateDate(int index, java.sql.Date x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDate", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.DATE, x, JavaType.DATE, false);
loggerExternal.exiting(getClassNameLogging(), "updateDate");
}
@Override
public void updateDate(int index, java.sql.Date x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDate", new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.DATE, x, JavaType.DATE, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDate");
}
@Override
public void updateTime(int index, java.sql.Time x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTime", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.TIME, x, JavaType.TIME, false);
loggerExternal.exiting(getClassNameLogging(), "updateTime");
}
@Override
public void updateTime(int index, java.sql.Time x, Integer scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTime", new Object[] {index, x, scale});
checkClosed();
updateValue(index, JDBCType.TIME, x, JavaType.TIME, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateTime");
}
@Override
public void updateTime(int index, java.sql.Time x, Integer scale, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTime", new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.TIME, x, JavaType.TIME, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateTime");
}
@Override
public void updateTimestamp(int index, java.sql.Timestamp x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTimestamp", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.TIMESTAMP, x, JavaType.TIMESTAMP, false);
loggerExternal.exiting(getClassNameLogging(), "updateTimestamp");
}
@Override
public void updateTimestamp(int index, java.sql.Timestamp x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTimestamp", new Object[] {index, x, scale});
checkClosed();
updateValue(index, JDBCType.TIMESTAMP, x, JavaType.TIMESTAMP, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateTimestamp");
}
@Override
public void updateTimestamp(int index, java.sql.Timestamp x, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTimestamp",
new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.TIMESTAMP, x, JavaType.TIMESTAMP, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateTimestamp");
}
@Override
public void updateDateTime(int index, java.sql.Timestamp x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTime", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.DATETIME, x, JavaType.TIMESTAMP, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTime");
}
@Override
public void updateDateTime(int index, java.sql.Timestamp x, Integer scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTime", new Object[] {index, x, scale});
checkClosed();
updateValue(index, JDBCType.DATETIME, x, JavaType.TIMESTAMP, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTime");
}
@Override
public void updateDateTime(int index, java.sql.Timestamp x, Integer scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTime",
new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.DATETIME, x, JavaType.TIMESTAMP, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDateTime");
}
@Override
public void updateSmallDateTime(int index, java.sql.Timestamp x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallDateTime", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.SMALLDATETIME, x, JavaType.TIMESTAMP, false);
loggerExternal.exiting(getClassNameLogging(), "updateSmallDateTime");
}
@Override
public void updateSmallDateTime(int index, java.sql.Timestamp x, Integer scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallDateTime", new Object[] {index, x, scale});
checkClosed();
updateValue(index, JDBCType.SMALLDATETIME, x, JavaType.TIMESTAMP, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateSmallDateTime");
}
@Override
public void updateSmallDateTime(int index, java.sql.Timestamp x, Integer scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallDateTime",
new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.SMALLDATETIME, x, JavaType.TIMESTAMP, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateSmallDateTime");
}
@Override
public void updateDateTimeOffset(int index, microsoft.sql.DateTimeOffset x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTimeOffset", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.DATETIMEOFFSET, x, JavaType.DATETIMEOFFSET, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTimeOffset");
}
@Override
public void updateDateTimeOffset(int index, microsoft.sql.DateTimeOffset x,
Integer scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTimeOffset", new Object[] {index, x, scale});
checkClosed();
updateValue(index, JDBCType.DATETIMEOFFSET, x, JavaType.DATETIMEOFFSET, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTimeOffset");
}
@Override
public void updateDateTimeOffset(int index, microsoft.sql.DateTimeOffset x, Integer scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTimeOffset",
new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.DATETIMEOFFSET, x, JavaType.DATETIMEOFFSET, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDateTimeOffset");
}
@Override
public void updateUniqueIdentifier(int index, String x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateUniqueIdentifier", new Object[] {index, x});
checkClosed();
updateValue(index, JDBCType.GUID, x, JavaType.STRING, null, false);
loggerExternal.exiting(getClassNameLogging(), "updateUniqueIdentifier");
}
@Override
public void updateUniqueIdentifier(int index, String x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateUniqueIdentifier",
new Object[] {index, x, forceEncrypt});
checkClosed();
updateValue(index, JDBCType.GUID, x, JavaType.STRING, null, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateUniqueIdentifier");
}
@Override
public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateAsciiStream", new Object[] {columnIndex, x});
checkClosed();
updateStream(columnIndex, StreamType.ASCII, x, JavaType.INPUTSTREAM, DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateAsciiStream");
}
@Override
public void updateAsciiStream(int index, InputStream x, int length) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateAsciiStream", new Object[] {index, x, length});
checkClosed();
updateStream(index, StreamType.ASCII, x, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateAsciiStream");
}
@Override
public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
loggerExternal.entering(getClassNameLogging(), "updateAsciiStream", new Object[] {columnIndex, x, length});
checkClosed();
updateStream(columnIndex, StreamType.ASCII, x, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateAsciiStream");
}
@Override
public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateAsciiStream", new Object[] {columnLabel, x});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.ASCII, x, JavaType.INPUTSTREAM,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateAsciiStream");
}
@Override
public void updateAsciiStream(java.lang.String columnName, InputStream x, int length) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateAsciiStream", new Object[] {columnName, x, length});
checkClosed();
updateStream(findColumn(columnName), StreamType.ASCII, x, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateAsciiStream");
}
@Override
public void updateAsciiStream(String columnName, InputStream streamValue, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateAsciiStream",
new Object[] {columnName, streamValue, length});
checkClosed();
updateStream(findColumn(columnName), StreamType.ASCII, streamValue, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateAsciiStream");
}
@Override
public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBinaryStream", new Object[] {columnIndex, x});
checkClosed();
updateStream(columnIndex, StreamType.BINARY, x, JavaType.INPUTSTREAM, DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateBinaryStream");
}
@Override
public void updateBinaryStream(int columnIndex, InputStream streamValue, int length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBinaryStream",
new Object[] {columnIndex, streamValue, length});
checkClosed();
updateStream(columnIndex, StreamType.BINARY, streamValue, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateBinaryStream");
}
@Override
public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBinaryStream", new Object[] {columnIndex, x, length});
checkClosed();
updateStream(columnIndex, StreamType.BINARY, x, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateBinaryStream");
}
@Override
public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBinaryStream", new Object[] {columnLabel, x});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.BINARY, x, JavaType.INPUTSTREAM,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateBinaryStream");
}
@Override
public void updateBinaryStream(String columnName, InputStream streamValue, int length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBinaryStream",
new Object[] {columnName, streamValue, length});
checkClosed();
updateStream(findColumn(columnName), StreamType.BINARY, streamValue, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateBinaryStream");
}
@Override
public void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBinaryStream", new Object[] {columnLabel, x, length});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.BINARY, x, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateBinaryStream");
}
@Override
public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateCharacterStream", new Object[] {columnIndex, x});
checkClosed();
updateStream(columnIndex, StreamType.CHARACTER, x, JavaType.READER, DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateCharacterStream");
}
@Override
public void updateCharacterStream(int columnIndex, Reader readerValue, int length) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateCharacterStream",
new Object[] {columnIndex, readerValue, length});
checkClosed();
updateStream(columnIndex, StreamType.CHARACTER, readerValue, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateCharacterStream");
}
@Override
public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateCharacterStream",
new Object[] {columnIndex, x, length});
checkClosed();
updateStream(columnIndex, StreamType.CHARACTER, x, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateCharacterStream");
}
@Override
public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateCharacterStream", new Object[] {columnLabel, reader});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.CHARACTER, reader, JavaType.READER,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateCharacterStream");
}
@Override
public void updateCharacterStream(String columnName, Reader readerValue, int length) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateCharacterStream",
new Object[] {columnName, readerValue, length});
checkClosed();
updateStream(findColumn(columnName), StreamType.CHARACTER, readerValue, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateCharacterStream");
}
@Override
public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateCharacterStream",
new Object[] {columnLabel, reader, length});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.CHARACTER, reader, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateNCharacterStream");
}
@Override
public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNCharacterStream", new Object[] {columnIndex, x});
checkClosed();
updateStream(columnIndex, StreamType.NCHARACTER, x, JavaType.READER, DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateNCharacterStream");
}
@Override
public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNCharacterStream",
new Object[] {columnIndex, x, length});
checkClosed();
updateStream(columnIndex, StreamType.NCHARACTER, x, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateNCharacterStream");
}
@Override
public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNCharacterStream",
new Object[] {columnLabel, reader});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.NCHARACTER, reader, JavaType.READER,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateNCharacterStream");
}
@Override
public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNCharacterStream",
new Object[] {columnLabel, reader, length});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.NCHARACTER, reader, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateNCharacterStream");
}
@Override
public void updateObject(int index, Object obj) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject", new Object[] {index, obj});
checkClosed();
updateObject(index, obj, null, null, null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(int index, Object x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject", new Object[] {index, x, scale});
checkClosed();
updateObject(index, x, scale, null, null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(int index, Object x, int precision, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject", new Object[] {index, x, scale});
checkClosed();
updateObject(index, x, scale, null, precision, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(int index, Object x, int precision, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {index, x, scale, forceEncrypt});
checkClosed();
updateObject(index, x, scale, null, precision, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
final void updateObject(int index, Object x, Integer scale, JDBCType jdbcType, Integer precision,
boolean forceEncrypt) throws SQLServerException {
Column column = updaterGetColumn(index);
SSType ssType = column.getTypeInfo().getSSType();
if (null == x) {
if (null == jdbcType || jdbcType.isUnsupported()) {
// JDBCType is not specified by user or is unsupported, derive from SSType
jdbcType = ssType.getJDBCType();
}
column.updateValue(jdbcType, x, JavaType.OBJECT, null, // streamSetterArgs
null, scale, stmt.connection, stmt.stmtColumnEncriptionSetting, precision, forceEncrypt, index);
} else {
JavaType javaType = JavaType.of(x);
JDBCType objectJdbcType = javaType.getJDBCType(ssType, ssType.getJDBCType());
if (null == jdbcType) {
// JDBCType is not specified by user, derive from the object's JavaType
jdbcType = objectJdbcType;
} else {
// Check convertibility of the value to the desired JDBC type.
if (!objectJdbcType.convertsTo(jdbcType))
DataTypes.throwConversionError(objectJdbcType.toString(), jdbcType.toString());
}
StreamSetterArgs streamSetterArgs = null;
switch (javaType) {
case READER:
streamSetterArgs = new StreamSetterArgs(StreamType.CHARACTER, DataTypes.UNKNOWN_STREAM_LENGTH);
break;
case INPUTSTREAM:
streamSetterArgs = new StreamSetterArgs(
jdbcType.isTextual() ? StreamType.CHARACTER : StreamType.BINARY,
DataTypes.UNKNOWN_STREAM_LENGTH);
break;
case SQLXML:
streamSetterArgs = new StreamSetterArgs(StreamType.SQLXML, DataTypes.UNKNOWN_STREAM_LENGTH);
break;
default:
// Do nothing
break;
}
column.updateValue(jdbcType, x, javaType, streamSetterArgs, null, scale, stmt.connection,
stmt.stmtColumnEncriptionSetting, precision, forceEncrypt, index);
}
}
@Override
public void updateNull(String columnName) throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "updateNull", columnName);
checkClosed();
int columnIndex = findColumn(columnName);
updateValue(columnIndex, updaterGetColumn(columnIndex).getTypeInfo().getSSType().getJDBCType(), null,
JavaType.OBJECT, false);
loggerExternal.exiting(getClassNameLogging(), "updateNull");
}
@Override
public void updateBoolean(String columnName, boolean x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBoolean", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BIT, x, JavaType.BOOLEAN, false);
loggerExternal.exiting(getClassNameLogging(), "updateBoolean");
}
@Override
public void updateBoolean(String columnName, boolean x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBoolean", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BIT, x, JavaType.BOOLEAN, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBoolean");
}
@Override
public void updateByte(String columnName, byte x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateByte", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BINARY, x, JavaType.BYTE, false);
loggerExternal.exiting(getClassNameLogging(), "updateByte");
}
@Override
public void updateByte(String columnName, byte x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateByte", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BINARY, x, JavaType.BYTE, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateByte");
}
@Override
public void updateShort(String columnName, short x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateShort", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLINT, x, JavaType.SHORT, false);
loggerExternal.exiting(getClassNameLogging(), "updateShort");
}
@Override
public void updateShort(String columnName, short x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateShort", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLINT, x, JavaType.SHORT, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateShort");
}
@Override
public void updateInt(String columnName, int x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateInt", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.INTEGER, x, JavaType.INTEGER, false);
loggerExternal.exiting(getClassNameLogging(), "updateInt");
}
@Override
public void updateInt(String columnName, int x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateInt", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.INTEGER, x, JavaType.INTEGER, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateInt");
}
@Override
public void updateLong(String columnName, long x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateLong", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BIGINT, x, JavaType.LONG, false);
loggerExternal.exiting(getClassNameLogging(), "updateLong");
}
@Override
public void updateLong(String columnName, long x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateLong", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BIGINT, x, JavaType.LONG, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateLong");
}
@Override
public void updateFloat(String columnName, float x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateFloat", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.REAL, x, JavaType.FLOAT, false);
loggerExternal.exiting(getClassNameLogging(), "updateFloat");
}
@Override
public void updateFloat(String columnName, float x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateFloat", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.REAL, x, JavaType.FLOAT, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateFloat");
}
@Override
public void updateDouble(String columnName, double x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDouble", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DOUBLE, x, JavaType.DOUBLE, false);
loggerExternal.exiting(getClassNameLogging(), "updateDouble");
}
@Override
public void updateDouble(String columnName, double x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDouble", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DOUBLE, x, JavaType.DOUBLE, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDouble");
}
@Override
public void updateBigDecimal(String columnName, BigDecimal x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, false);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateBigDecimal(String columnName, BigDecimal x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal",
new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateBigDecimal(String columnName, BigDecimal x, Integer precision,
Integer scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal",
new Object[] {columnName, x, precision, scale});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, precision, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateBigDecimal(String columnName, BigDecimal x, Integer precision, Integer scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBigDecimal",
new Object[] {columnName, x, precision, scale, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DECIMAL, x, JavaType.BIGDECIMAL, precision, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBigDecimal");
}
@Override
public void updateString(String columnName, String x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateString", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.VARCHAR, x, JavaType.STRING, false);
loggerExternal.exiting(getClassNameLogging(), "updateString");
}
@Override
public void updateString(String columnName, String x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateString", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.VARCHAR, x, JavaType.STRING, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateString");
}
@Override
public void updateBytes(String columnName, byte x[]) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBytes", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BINARY, x, JavaType.BYTEARRAY, false);
loggerExternal.exiting(getClassNameLogging(), "updateBytes");
}
@Override
public void updateBytes(String columnName, byte x[], boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBytes", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BINARY, x, JavaType.BYTEARRAY, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateBytes");
}
@Override
public void updateDate(String columnName, java.sql.Date x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDate", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATE, x, JavaType.DATE, false);
loggerExternal.exiting(getClassNameLogging(), "updateDate");
}
@Override
public void updateDate(String columnName, java.sql.Date x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDate", new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATE, x, JavaType.DATE, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDate");
}
@Override
public void updateTime(String columnName, java.sql.Time x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTime", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.TIME, x, JavaType.TIME, false);
loggerExternal.exiting(getClassNameLogging(), "updateTime");
}
@Override
public void updateTime(String columnName, java.sql.Time x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTime", new Object[] {columnName, x, scale});
checkClosed();
updateValue(findColumn(columnName), JDBCType.TIME, x, JavaType.TIME, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateTime");
}
@Override
public void updateTime(String columnName, java.sql.Time x, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTime",
new Object[] {columnName, x, scale, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.TIME, x, JavaType.TIME, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateTime");
}
@Override
public void updateTimestamp(String columnName, java.sql.Timestamp x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTimestamp", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.TIMESTAMP, x, JavaType.TIMESTAMP, false);
loggerExternal.exiting(getClassNameLogging(), "updateTimestamp");
}
@Override
public void updateTimestamp(String columnName, java.sql.Timestamp x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTimestamp", new Object[] {columnName, x, scale});
checkClosed();
updateValue(findColumn(columnName), JDBCType.TIMESTAMP, x, JavaType.TIMESTAMP, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateTimestamp");
}
@Override
public void updateTimestamp(String columnName, java.sql.Timestamp x, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateTimestamp",
new Object[] {columnName, x, scale, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.TIMESTAMP, x, JavaType.TIMESTAMP, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateTimestamp");
}
@Override
public void updateDateTime(String columnName, java.sql.Timestamp x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTime", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATETIME, x, JavaType.TIMESTAMP, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTime");
}
@Override
public void updateDateTime(String columnName, java.sql.Timestamp x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTime", new Object[] {columnName, x, scale});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATETIME, x, JavaType.TIMESTAMP, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTime");
}
@Override
public void updateDateTime(String columnName, java.sql.Timestamp x, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTime",
new Object[] {columnName, x, scale, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATETIME, x, JavaType.TIMESTAMP, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDateTime");
}
@Override
public void updateSmallDateTime(String columnName, java.sql.Timestamp x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallDateTime", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLDATETIME, x, JavaType.TIMESTAMP, false);
loggerExternal.exiting(getClassNameLogging(), "updateSmallDateTime");
}
@Override
public void updateSmallDateTime(String columnName, java.sql.Timestamp x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallDateTime", new Object[] {columnName, x, scale});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLDATETIME, x, JavaType.TIMESTAMP, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateSmallDateTime");
}
@Override
public void updateSmallDateTime(String columnName, java.sql.Timestamp x, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSmallDateTime",
new Object[] {columnName, x, scale, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.SMALLDATETIME, x, JavaType.TIMESTAMP, null, scale, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateSmallDateTime");
}
@Override
public void updateDateTimeOffset(String columnName, microsoft.sql.DateTimeOffset x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTimeOffset", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATETIMEOFFSET, x, JavaType.DATETIMEOFFSET, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTimeOffset");
}
@Override
public void updateDateTimeOffset(String columnName, microsoft.sql.DateTimeOffset x,
int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTimeOffset", new Object[] {columnName, x, scale});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATETIMEOFFSET, x, JavaType.DATETIMEOFFSET, null, scale, false);
loggerExternal.exiting(getClassNameLogging(), "updateDateTimeOffset");
}
@Override
public void updateDateTimeOffset(String columnName, microsoft.sql.DateTimeOffset x, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateDateTimeOffset",
new Object[] {columnName, x, scale, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.DATETIMEOFFSET, x, JavaType.DATETIMEOFFSET, null, scale,
forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateDateTimeOffset");
}
@Override
public void updateUniqueIdentifier(String columnName, String x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateUniqueIdentifier", new Object[] {columnName, x});
checkClosed();
updateValue(findColumn(columnName), JDBCType.GUID, x, JavaType.STRING, null, false);
loggerExternal.exiting(getClassNameLogging(), "updateUniqueIdentifier");
}
@Override
public void updateUniqueIdentifier(String columnName, String x, boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateUniqueIdentifier",
new Object[] {columnName, x, forceEncrypt});
checkClosed();
updateValue(findColumn(columnName), JDBCType.GUID, x, JavaType.STRING, null, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateUniqueIdentifier");
}
@Override
public void updateObject(String columnName, Object x, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject", new Object[] {columnName, x, scale});
checkClosed();
updateObject(findColumn(columnName), x, scale, null, null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(String columnName, Object x, int precision, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {columnName, x, precision, scale});
checkClosed();
updateObject(findColumn(columnName), x, scale, null, precision, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(String columnName, Object x, int precision, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {columnName, x, precision, scale, forceEncrypt});
checkClosed();
updateObject(findColumn(columnName), x, scale, null, precision, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(String columnName, Object x) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject", new Object[] {columnName, x});
checkClosed();
updateObject(findColumn(columnName), x, null, null, null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateRowId(int columnIndex, RowId x) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
}
@Override
public void updateRowId(String columnLabel, RowId x) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
}
@Override
public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSQLXML", new Object[] {columnIndex, xmlObject});
updateSQLXMLInternal(columnIndex, xmlObject);
loggerExternal.exiting(getClassNameLogging(), "updateSQLXML");
}
@Override
public void updateSQLXML(String columnLabel, SQLXML x) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateSQLXML", new Object[] {columnLabel, x});
updateSQLXMLInternal(findColumn(columnLabel), x);
loggerExternal.exiting(getClassNameLogging(), "updateSQLXML");
}
@Override
public int getHoldability() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "getHoldability");
checkClosed();
int holdability =
// Client-cursored result sets are always holdable because there is
// no server cursor for the server to close, and no way for the driver
// to detect the commit anyway...
(0 == stmt.getServerCursorId()) ? ResultSet.HOLD_CURSORS_OVER_COMMIT :
// For Yukon and later server-cursored result sets, holdability
// was determined at statement execution time and does not change.
stmt.getExecProps().getHoldability();
loggerExternal.exiting(getClassNameLogging(), "getHoldability", holdability);
return holdability;
}
/* ----------------------- Update result set ------------------------- */
@Override
public void insertRow() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "insertRow");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
final class InsertRowRPC extends TDSCommand {
/**
* Always update serialVersionUID when prompted.
*/
private static final long serialVersionUID = 1L;
final String tableName;
InsertRowRPC(String tableName) {
super("InsertRowRPC", 0, 0);
this.tableName = tableName;
}
final boolean doExecute() throws SQLServerException {
doInsertRowRPC(this, tableName);
return true;
}
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
if (!isOnInsertRow) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_mustBeOnInsertRow"), null, true);
}
// Determine the table/view into which the row is to be inserted.
//
// The logic for doing this is as follows:
//
// If values were set for any of the columns in this ResultSet
// then use the table associated with the first column in the
// SELECT list whose value was set.
//
// If no values were set for any of the columns (insert row with
// default values) then choose the table name associated with the
// first updatable column. An updatable column is one that is not
// a computed expression, not hidden, and has a non-empty table name.
//
// If no values were set for any columns and no columns are updatable,
// then the table name cannot be determined, so error.
Column tableColumn = null;
for (Column column : columns) {
if (column.hasUpdates()) {
tableColumn = column;
break;
}
if (null == tableColumn && column.isUpdatable())
tableColumn = column;
}
if (null == tableColumn) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_noColumnParameterValue"), null, true);
}
assert tableColumn.isUpdatable();
assert null != tableColumn.getTableName();
stmt.executeCommand(new InsertRowRPC(tableColumn.getTableName().asEscapedString()));
if (UNKNOWN_ROW_COUNT != rowCount)
++rowCount;
loggerExternal.exiting(getClassNameLogging(), "insertRow");
}
private void doInsertRowRPC(TDSCommand command, String tableName) throws SQLServerException {
assert 0 != serverCursorId;
assert null != tableName;
assert tableName.length() > 0;
TDSWriter tdsWriter = command.startRequest(TDS.PKT_RPC);
tdsWriter.writeShort((short) 0xFFFF); // procedure name length -> use ProcIDs
tdsWriter.writeShort(TDS.PROCID_SP_CURSOR);
tdsWriter.writeByte((byte) 0); // RPC procedure option 1
tdsWriter.writeByte((byte) 0); // RPC procedure option 2
tdsWriter.sendEnclavePackage(null, null);
tdsWriter.writeRPCInt(null, serverCursorId, false);
tdsWriter.writeRPCInt(null, (int) TDS.SP_CURSOR_OP_INSERT, false);
tdsWriter.writeRPCInt(null, fetchBufferGetRow(), false);
if (hasUpdatedColumns()) {
tdsWriter.writeRPCStringUnicode(tableName);
for (Column column : columns)
column.sendByRPC(tdsWriter, stmt);
} else {
tdsWriter.writeRPCStringUnicode("");
tdsWriter.writeRPCStringUnicode("INSERT INTO " + tableName + " DEFAULT VALUES");
}
TDSParser.parse(command.startResponse(), command.getLogContext());
}
@Override
public void updateRow() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "updateRow");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
final class UpdateRowRPC extends TDSCommand {
/**
* Always update serialVersionUID when prompted.
*/
private static final long serialVersionUID = 1L;
UpdateRowRPC() {
super("UpdateRowRPC", 0, 0);
}
final boolean doExecute() throws SQLServerException {
doUpdateRowRPC(this);
return true;
}
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
// From JDBC spec:
// [updateRow] must be called when the cursor is on the current row;
// an exception will be thrown if it is called with the cursor is on the insert row.
verifyResultSetIsNotOnInsertRow();
verifyResultSetHasCurrentRow();
// Deleted rows cannot be updated.
verifyCurrentRowIsNotDeleted("R_cantUpdateDeletedRow");
if (!hasUpdatedColumns()) {
SQLServerException.makeFromDriverError(stmt.connection, stmt,
SQLServerException.getErrString("R_noColumnParameterValue"), null, true);
}
try {
stmt.executeCommand(new UpdateRowRPC());
} finally {
cancelUpdates();
}
updatedCurrentRow = true;
loggerExternal.exiting(getClassNameLogging(), "updateRow");
}
private void doUpdateRowRPC(TDSCommand command) throws SQLServerException {
assert 0 != serverCursorId;
TDSWriter tdsWriter = command.startRequest(TDS.PKT_RPC);
tdsWriter.writeShort((short) 0xFFFF); // procedure name length -> use ProcIDs
tdsWriter.writeShort(TDS.PROCID_SP_CURSOR);
tdsWriter.writeByte((byte) 0); // RPC procedure option 1
tdsWriter.writeByte((byte) 0); // RPC procedure option 2
tdsWriter.sendEnclavePackage(null, null);
tdsWriter.writeRPCInt(null, serverCursorId, false);
tdsWriter.writeRPCInt(null, TDS.SP_CURSOR_OP_UPDATE | TDS.SP_CURSOR_OP_SETPOSITION, false);
tdsWriter.writeRPCInt(null, fetchBufferGetRow(), false);
tdsWriter.writeRPCStringUnicode("");
assert hasUpdatedColumns();
for (Column column : columns)
column.sendByRPC(tdsWriter, stmt);
TDSParser.parse(command.startResponse(), command.getLogContext());
}
/** Determines whether there are updated columns in this result set. */
final boolean hasUpdatedColumns() {
for (Column column : columns)
if (column.hasUpdates())
return true;
return false;
}
@Override
public void deleteRow() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "deleteRow");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
final class DeleteRowRPC extends TDSCommand {
/**
* Always update serialVersionUID when prompted.
*/
private static final long serialVersionUID = 1L;
DeleteRowRPC() {
super("DeleteRowRPC", 0, 0);
}
final boolean doExecute() throws SQLServerException {
doDeleteRowRPC(this);
return true;
}
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if this method is called on a ResultSet object that is not updatable ...
verifyResultSetIsUpdatable();
// ... or when the cursor is before the first row, after the last row, or on the insert row.
verifyResultSetIsNotOnInsertRow();
verifyResultSetHasCurrentRow();
// Deleted rows cannot be deleted.
verifyCurrentRowIsNotDeleted("R_cantUpdateDeletedRow");
try {
stmt.executeCommand(new DeleteRowRPC());
} finally {
cancelUpdates();
}
deletedCurrentRow = true;
loggerExternal.exiting(getClassNameLogging(), "deleteRow");
}
private void doDeleteRowRPC(TDSCommand command) throws SQLServerException {
assert 0 != serverCursorId;
TDSWriter tdsWriter = command.startRequest(TDS.PKT_RPC);
tdsWriter.writeShort((short) 0xFFFF); // procedure name length -> use ProcIDs
tdsWriter.writeShort(TDS.PROCID_SP_CURSOR);
tdsWriter.writeByte((byte) 0); // RPC procedure option 1
tdsWriter.writeByte((byte) 0); // RPC procedure option 2
tdsWriter.sendEnclavePackage(null, null);
tdsWriter.writeRPCInt(null, serverCursorId, false);
tdsWriter.writeRPCInt(null, TDS.SP_CURSOR_OP_DELETE | TDS.SP_CURSOR_OP_SETPOSITION, false);
tdsWriter.writeRPCInt(null, fetchBufferGetRow(), false);
tdsWriter.writeRPCStringUnicode("");
TDSParser.parse(command.startResponse(), command.getLogContext());
}
@Override
public void refreshRow() throws SQLException {
loggerExternal.entering(getClassNameLogging(), "refreshRow");
if (loggerExternal.isLoggable(Level.FINER) && Util.isActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// This method is not supported for ResultSet objects that are type TYPE_FORWARD_ONLY.
verifyResultSetIsScrollable();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
// From JDBC spec:
// Throws SQLException if this method is called when the cursor is on the insert row.
verifyResultSetIsNotOnInsertRow();
// Verify that the cursor is not before the first row, after the last row, or on a deleted row.
verifyResultSetHasCurrentRow();
verifyCurrentRowIsNotDeleted("R_cantUpdateDeletedRow");
// From the JDBC spec:
// [This method] does nothing for [ResultSet objects] that are type TYPE_SCROLL_INSENSITIVE.
//
// Included in that definition is result sets for which the server was asked to return a server cursor,
// but ended up returning the results directly instead.
if (ResultSet.TYPE_SCROLL_INSENSITIVE == stmt.getResultSetType() || 0 == serverCursorId)
return;
// From JDBC spec:
// If refreshRow is called after calling updater [methods] but before calling updateRow,
// then the updates made to the row are lost.
cancelUpdates();
doRefreshRow();
loggerExternal.exiting(getClassNameLogging(), "refreshRow");
}
private void doRefreshRow() throws SQLServerException {
assert hasCurrentRow();
// Save off the current row offset into the fetch buffer so that we can attempt to
// restore to that position after refetching.
int fetchBufferSavedRow = fetchBufferGetRow();
// Refresh all the rows in the fetch buffer. This is allowed by the JDBC spec:
// If the fetch size is greater than one, the driver may refetch multiple rows at once.
doServerFetch(TDS.FETCH_REFRESH, 0, 0);
// Scroll back to the current row. Note that with DYNAMIC cursors, there is no guarantee
// that the contents of the fetch buffer after a refresh look anything like they did before
// the refresh -- rows may have been added, modified, or deleted -- so the current row
// may not end up where it was before the refresh.
int fetchBufferRestoredRow = 0;
while (fetchBufferRestoredRow < fetchBufferSavedRow
&& (isForwardOnly() ? fetchBufferNext() : scrollWindow.next(this))) {
++fetchBufferRestoredRow;
}
if (fetchBufferRestoredRow < fetchBufferSavedRow) {
currentRow = AFTER_LAST_ROW;
return;
}
// Finally, ensure that we've cleared the flag that the current row was updated. This ensures
// that a subsequent getter doesn't do another unnecessary refresh when called.
updatedCurrentRow = false;
}
private void cancelUpdates() {
if (!isOnInsertRow)
clearColumnsValues();
}
@Override
public void cancelRowUpdates() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "cancelRowUpdates");
checkClosed();
// From JDBC spec:
// Throws SQLException if this method is called when the cursor is on the insert row or if
// this ResultSet object has a concurrency of CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
verifyResultSetIsNotOnInsertRow();
cancelUpdates();
loggerExternal.exiting(getClassNameLogging(), "cancelRowUpdates");
}
@Override
public void moveToInsertRow() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "moveToInsertRow");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
cancelUpdates();
isOnInsertRow = true;
loggerExternal.exiting(getClassNameLogging(), "moveToInsertRow");
}
@Override
public void moveToCurrentRow() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "moveToCurrentRow");
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + logCursorState());
checkClosed();
// From JDBC spec:
// Throws SQLException if the concurrency of this ResultSet object is CONCUR_READ_ONLY.
verifyResultSetIsUpdatable();
// Note that we don't verify that the row is on the insert row. From the JDBC spec:
// This method should be called only when the cursor is on the insert row
// and has no effect if the cursor is not on the insert row.
cancelInsert();
loggerExternal.exiting(getClassNameLogging(), "moveToCurrentRow");
}
@Override
public java.sql.Statement getStatement() throws SQLServerException {
loggerExternal.entering(getClassNameLogging(), "getStatement");
checkClosed();
loggerExternal.exiting(getClassNameLogging(), "getStatement", stmt);
return stmt;
}
/* JDBC 3.0 */
@Override
public void updateClob(int columnIndex, Clob clobValue) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnIndex, clobValue});
checkClosed();
updateValue(columnIndex, JDBCType.CLOB, clobValue, JavaType.CLOB, false);
loggerExternal.exiting(getClassNameLogging(), "updateClob");
}
@Override
public void updateClob(int columnIndex, Reader reader) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnIndex, reader});
checkClosed();
updateStream(columnIndex, StreamType.CHARACTER, reader, JavaType.READER, DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateClob");
}
@Override
public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnIndex, reader, length});
checkClosed();
updateStream(columnIndex, StreamType.CHARACTER, reader, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateClob");
}
@Override
public void updateClob(String columnName, Clob clobValue) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnName, clobValue});
checkClosed();
updateValue(findColumn(columnName), JDBCType.CLOB, clobValue, JavaType.CLOB, false);
loggerExternal.exiting(getClassNameLogging(), "updateClob");
}
@Override
public void updateClob(String columnLabel, Reader reader) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnLabel, reader});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.CHARACTER, reader, JavaType.READER,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateClob");
}
@Override
public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnLabel, reader, length});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.CHARACTER, reader, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateClob");
}
@Override
public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateClob", new Object[] {columnIndex, nClob});
checkClosed();
updateValue(columnIndex, JDBCType.NCLOB, nClob, JavaType.NCLOB, false);
loggerExternal.exiting(getClassNameLogging(), "updateNClob");
}
@Override
public void updateNClob(int columnIndex, Reader reader) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNClob", new Object[] {columnIndex, reader});
checkClosed();
updateStream(columnIndex, StreamType.NCHARACTER, reader, JavaType.READER, DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateNClob");
}
@Override
public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNClob", new Object[] {columnIndex, reader, length});
checkClosed();
updateStream(columnIndex, StreamType.NCHARACTER, reader, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateNClob");
}
@Override
public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNClob", new Object[] {columnLabel, nClob});
checkClosed();
updateValue(findColumn(columnLabel), JDBCType.NCLOB, nClob, JavaType.NCLOB, false);
loggerExternal.exiting(getClassNameLogging(), "updateNClob");
}
@Override
public void updateNClob(String columnLabel, Reader reader) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNClob", new Object[] {columnLabel, reader});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.NCHARACTER, reader, JavaType.READER,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateNClob");
}
@Override
public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateNClob", new Object[] {columnLabel, reader, length});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.NCHARACTER, reader, JavaType.READER, length);
loggerExternal.exiting(getClassNameLogging(), "updateNClob");
}
@Override
public void updateBlob(int columnIndex, Blob blobValue) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBlob", new Object[] {columnIndex, blobValue});
checkClosed();
updateValue(columnIndex, JDBCType.BLOB, blobValue, JavaType.BLOB, false);
loggerExternal.exiting(getClassNameLogging(), "updateBlob");
}
@Override
public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBlob", new Object[] {columnIndex, inputStream});
checkClosed();
updateStream(columnIndex, StreamType.BINARY, inputStream, JavaType.INPUTSTREAM,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateBlob");
}
@Override
public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBlob",
new Object[] {columnIndex, inputStream, length});
checkClosed();
updateStream(columnIndex, StreamType.BINARY, inputStream, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateBlob");
}
@Override
public void updateBlob(String columnName, Blob blobValue) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBlob", new Object[] {columnName, blobValue});
checkClosed();
updateValue(findColumn(columnName), JDBCType.BLOB, blobValue, JavaType.BLOB, false);
loggerExternal.exiting(getClassNameLogging(), "updateBlob");
}
@Override
public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBlob", new Object[] {columnLabel, inputStream});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.BINARY, inputStream, JavaType.INPUTSTREAM,
DataTypes.UNKNOWN_STREAM_LENGTH);
loggerExternal.exiting(getClassNameLogging(), "updateBlob");
}
@Override
public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateBlob",
new Object[] {columnLabel, inputStream, length});
checkClosed();
updateStream(findColumn(columnLabel), StreamType.BINARY, inputStream, JavaType.INPUTSTREAM, length);
loggerExternal.exiting(getClassNameLogging(), "updateBlob");
}
@Override
public void updateArray(int columnIndex, Array x) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
}
@Override
public void updateArray(java.lang.String columnName, Array x) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
}
@Override
public void updateRef(int columnIndex, Ref x) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
}
@Override
public void updateRef(java.lang.String columnName, Ref x) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
}
@Override
public java.net.URL getURL(int columnIndex) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
@Override
public java.net.URL getURL(String sColumn) throws SQLException {
SQLServerException.throwNotSupportedException(stmt.connection, stmt);
return null;
}
/** Absolute position in this ResultSet where the fetch buffer starts */
private int numFetchedRows;
/**
* Fetch buffer that provides a source of rows to this ResultSet.
*
* The FetchBuffer class is different conceptually from the ScrollWindow class. The latter provides indexing and
* arbitrary scrolling over rows provided by the fetch buffer. The fetch buffer itself just provides the rows and
* supports rewinding back to the start of the buffer. When server cursors are involved, the fetch buffer is
* typically the same size as the scroll window. However, with client side scrollable cursors, the fetch buffer
* would contain all of the rows in the result set, but the scroll window would only contain some of them
* (determined by ResultSet.setFetchSize).
*
* The fetch buffer contains 0 or more ROW tokens followed by a DONE (cmd=SELECT, 0xC1) token indicating the number
* of rows in the fetch buffer.
*
* For client-cursored result sets, the fetch buffer contains all of the rows in the result set, and the DONE token
* indicates the total number of rows in the result set, though we don't use that information, as we always count
* rows as we encounter them.
*/
private final class FetchBuffer {
private final class FetchBufferTokenHandler extends TDSTokenHandler {
FetchBufferTokenHandler() {
super("FetchBufferTokenHandler");
}
// Even though the cursor fetch RPC call specified the "no metadata" option,
// the server still returns a COLMETADATA_TOKEN containing the magic NoMetaData
// value that we need to read through.
boolean onColMetaData(TDSReader tdsReader) throws SQLServerException {
(new StreamColumns(Util.shouldHonorAEForRead(stmt.stmtColumnEncriptionSetting, stmt.connection)))
.setFromTDS(tdsReader);
return true;
}
boolean onRow(TDSReader tdsReader) throws SQLServerException {
ensureStartMark();
// Consume the ROW token, leaving tdsReader at the start of
// this row's column values.
if (TDS.TDS_ROW != tdsReader.readUnsignedByte())
assert false;
fetchBufferCurrentRowType = RowType.ROW;
return false;
}
boolean onNBCRow(TDSReader tdsReader) throws SQLServerException {
ensureStartMark();
// Consume the NBCROW token, leaving tdsReader at the start of
// nullbitmap.
if (TDS.TDS_NBCROW != tdsReader.readUnsignedByte())
assert false;
fetchBufferCurrentRowType = RowType.NBCROW;
return false;
}
boolean onDone(TDSReader tdsReader) throws SQLServerException {
ensureStartMark();
StreamDone doneToken = new StreamDone();
doneToken.setFromTDS(tdsReader);
if (doneToken.isFinal()) {
// Response is completely processed, hence decrement unprocessed response count.
stmt.connection.getSessionRecovery().decrementUnprocessedResponseCount();
}
// Done with all the rows in this fetch buffer and done with parsing
// unless it's a server cursor, in which case there is a RETSTAT and
// another DONE token to follow.
done = true;
return 0 != serverCursorId;
}
boolean onRetStatus(TDSReader tdsReader) throws SQLServerException {
// Check the return status for the bit indicating that
// "counter-intuitive" cursor behavior has happened and
// that a fixup is necessary.
StreamRetStatus retStatusToken = new StreamRetStatus();
retStatusToken.setFromTDS(tdsReader);
needsServerCursorFixup = (2 == retStatusToken.getStatus());
return true;
}
void onEOF(TDSReader tdsReader) throws SQLServerException {
super.onEOF(tdsReader);
done = true;
}
boolean onDataClassification(TDSReader tdsReader) throws SQLServerException {
if (tdsReader.getServerSupportsDataClassification()) {
tdsReader.trySetSensitivityClassification(
new StreamColumns(Util.shouldHonorAEForRead(stmt.stmtColumnEncriptionSetting, stmt.connection))
.processDataClassification(tdsReader));
}
return true;
}
}
private final FetchBufferTokenHandler fetchBufferTokenHandler = new FetchBufferTokenHandler();
/** Location in the TDS response of the start of the fetch buffer */
private TDSReaderMark startMark;
final void clearStartMark() {
startMark = null;
}
private RowType fetchBufferCurrentRowType = RowType.UNKNOWN;
private boolean done;
private boolean needsServerCursorFixup;
final boolean needsServerCursorFixup() {
return needsServerCursorFixup;
}
FetchBuffer() {
init();
}
final void ensureStartMark() {
if (null == startMark && !isForwardOnly()) {
if (logger.isLoggable(java.util.logging.Level.FINEST))
logger.finest(toString() + " Setting fetch buffer start mark");
startMark = tdsReader.mark();
}
}
/**
* Repositions the fetch buffer back to the beginning.
*/
final void reset() {
assert null != tdsReader;
assert null != startMark;
tdsReader.reset(startMark);
fetchBufferCurrentRowType = RowType.UNKNOWN;
done = false;
}
/**
* Initializes the fetch buffer with new contents and optionally sets a TDSReaderMark at the start of the fetch
* buffer to allow the fetch buffer to be scrolled back to the beginning.
*/
final void init() {
startMark = (0 == serverCursorId && !isForwardOnly()) ? tdsReader.mark() : null;
fetchBufferCurrentRowType = RowType.UNKNOWN;
done = false;
needsServerCursorFixup = false;
}
/**
* Moves to the next row in the fetch buffer.
*/
final RowType nextRow() throws SQLServerException {
fetchBufferCurrentRowType = RowType.UNKNOWN;
while (null != tdsReader && !done && fetchBufferCurrentRowType.equals(RowType.UNKNOWN))
TDSParser.parse(tdsReader, fetchBufferTokenHandler);
if (fetchBufferCurrentRowType.equals(RowType.UNKNOWN)
&& null != fetchBufferTokenHandler.getDatabaseError()) {
SQLServerException.makeFromDatabaseError(stmt.connection, null,
fetchBufferTokenHandler.getDatabaseError().getErrorMessage(),
fetchBufferTokenHandler.getDatabaseError(), false);
}
return fetchBufferCurrentRowType;
}
}
/**
* Cursor Fetch Command
*/
private final class CursorFetchCommand extends TDSCommand {
/**
* Always update serialVersionUID when prompted.
*/
private static final long serialVersionUID = 1L;
private final int serverCursorId;
private int fetchType;
private int startRow;
private int numRows;
CursorFetchCommand(int serverCursorId, int fetchType, int startRow, int numRows) {
super("doServerFetch", stmt.queryTimeout, stmt.cancelQueryTimeoutSeconds);
this.serverCursorId = serverCursorId;
this.fetchType = fetchType;
this.startRow = startRow;
this.numRows = numRows;
}
final boolean doExecute() throws SQLServerException {
TDSWriter tdsWriter = startRequest(TDS.PKT_RPC);
tdsWriter.writeShort((short) 0xFFFF); // procedure name length -> use ProcIDs
tdsWriter.writeShort(TDS.PROCID_SP_CURSORFETCH);
tdsWriter.writeByte(TDS.RPC_OPTION_NO_METADATA);
tdsWriter.writeByte((byte) 0); // RPC procedure option 2
tdsWriter.sendEnclavePackage(null, null);
tdsWriter.writeRPCInt(null, serverCursorId, false);
tdsWriter.writeRPCInt(null, fetchType, false);
tdsWriter.writeRPCInt(null, startRow, false);
tdsWriter.writeRPCInt(null, numRows, false);
// To free up the thread on the server that is feeding us these results,
// read the entire response off the wire UNLESS this is a forward only
// updatable result set AND responseBuffering was explicitly set to adaptive
// at the Statement level. This override is the only way that apps
// can do a forward only updatable pass through a ResultSet with large
// data values.
tdsReader = startResponse(isForwardOnly() && CONCUR_READ_ONLY != stmt.resultSetConcurrency
&& stmt.getExecProps().wasResponseBufferingSet()
&& stmt.getExecProps().isResponseBufferingAdaptive());
return false;
}
final void processResponse(TDSReader responseTDSReader) throws SQLServerException {
tdsReader = responseTDSReader;
discardFetchBuffer();
}
}
/**
* Position a server side cursor.
*
* @param fetchType
* The type of fetch
* @param startRow
* The starting row
* @param numRows
* The number of rows to fetch
* @exception SQLServerException
* The cursor was invalid.
*/
final void doServerFetch(int fetchType, int startRow, int numRows) throws SQLServerException {
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " fetchType:" + fetchType + " startRow:" + startRow + " numRows:" + numRows);
// Discard the current fetch buffer contents
discardFetchBuffer();
// Reinitialize the fetch buffer
fetchBuffer.init();
// Fetch the requested block of rows from the server
CursorFetchCommand cursorFetch = new CursorFetchCommand(serverCursorId, fetchType, startRow, numRows);
stmt.executeCommand(cursorFetch);
numFetchedRows = 0;
resultSetCurrentRowType = RowType.UNKNOWN;
areNullCompressedColumnsInitialized = false;
lastColumnIndex = 0;
// If necessary, resize the scroll window to the new fetch size
if (null != scrollWindow && TDS.FETCH_REFRESH != fetchType)
scrollWindow.resize(fetchSize);
// Correct for SQL Server's "counter-intuitive" behavior which positions the cursor
// on the first row of the result set when a negative move would have logically
// positioned the cursor before the first row instead. When this happens, the server
// returns the first block of rows, which is indistinguishable from a regular request
// for the first block of rows except for a flag set in the return status to indicate
// what happened. When this behavior does happen, force the cursor to move to before
// the first row. See the Engine Cursors Functional Specification for all the details....
if (numRows < 0 || startRow < 0) {
// Scroll past all the returned rows, caching in the scroll window as we go.
try {
while (scrollWindow != null && scrollWindow.next(this));
} catch (SQLException e) {
// If there is a row error in the results, don't throw an exception from here.
// Ignore it for now and defer the exception until the app encounters the
// error through normal cursor movement.
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " Ignored exception from row error during server cursor fixup: "
+ e.getMessage());
}
// Force the cursor to move to before the first row if necessary.
if (fetchBuffer.needsServerCursorFixup()) {
doServerFetch(TDS.FETCH_FIRST, 0, 0);
return;
}
// Put the scroll window back before the first row.
if (null != scrollWindow)
scrollWindow.reset();
}
}
/*
* Checks for any LOBs which need to be available after the RS is closed, and loads their contents from stream into
* memory. Closed LOBs will not be populated.
*/
private void fillLOBs() {
if (null != activeLOB) {
try {
activeLOB.fillFromStream();
} catch (SQLException e) {
if (logger.isLoggable(java.util.logging.Level.FINER)) {
logger.finer(toString() + "Filling Lobs before closing: " + e.getMessage());
}
} finally {
activeLOB = null;
}
}
}
/**
* Discards the contents of the current fetch buffer.
*
* This method ensures that the contents of the current fetch buffer have been completely read from the TDS channel,
* processed, and discarded.
*
* Note that exceptions resulting from database errors, such as row errors or transaction rollbacks, and from I/O
* errors, such as a closed connection, are caught, logged, and ignored. The expectation is that callers of this
* method just want the fetch buffer cleared out and do not care about what errors may have occurred when it was
* last populated. If the connection is closed while discarding the fetch buffer, then the fetch buffer is
* considered to be discarded.
*/
private void discardFetchBuffer() {
// fills blobs before discarding anything
fillLOBs();
// Clear the TDSReader mark at the start of the fetch buffer
fetchBuffer.clearStartMark();
// Clear all row TDSReader marks in the scroll window
if (null != scrollWindow)
scrollWindow.clear();
// Once there are no TDSReader marks left referring to the fetch buffer
// contents, process the remainder of the current row and all subsequent rows.
try {
while (fetchBufferNext());
} catch (SQLServerException e) {
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(this + " Encountered exception discarding fetch buffer: " + e.getMessage());
}
}
/**
* Close a server side cursor and free up its resources in the database.
*
* If closing fails for any reason then the cursor is considered closed.
*/
final void closeServerCursor() {
if (0 == serverCursorId)
return;
// If the connection is already closed, don't bother trying to close the server cursor.
// We won't be able to, and it's already closed on the server anyway.
if (stmt.connection.isSessionUnAvailable()) {
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(this + ": Not closing cursor:" + serverCursorId + "; connection is already closed.");
} else {
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " Closing cursor:" + serverCursorId);
final class CloseServerCursorCommand extends UninterruptableTDSCommand {
/**
* Always update serialVersionUID when prompted.
*/
private static final long serialVersionUID = 1L;
CloseServerCursorCommand() {
super("closeServerCursor");
}
final boolean doExecute() throws SQLServerException {
TDSWriter tdsWriter = startRequest(TDS.PKT_RPC);
tdsWriter.writeShort((short) 0xFFFF); // procedure name length -> use ProcIDs
tdsWriter.writeShort(TDS.PROCID_SP_CURSORCLOSE);
tdsWriter.writeByte((byte) 0); // RPC procedure option 1
tdsWriter.writeByte((byte) 0); // RPC procedure option 2
tdsWriter.sendEnclavePackage(null, null);
tdsWriter.writeRPCInt(null, serverCursorId, false);
TDSParser.parse(startResponse(), getLogContext());
return true;
}
}
// Try to close the server cursor. Any failure is caught, logged, and ignored.
try {
stmt.executeCommand(new CloseServerCursorCommand());
} catch (SQLServerException e) {
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " Ignored error closing cursor:" + serverCursorId + " " + e.getMessage());
}
if (logger.isLoggable(java.util.logging.Level.FINER))
logger.finer(toString() + " Closed cursor:" + serverCursorId);
}
}
@Override
public void updateObject(int index, Object obj, SQLType targetSqlType) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject", new Object[] {index, obj, targetSqlType});
checkClosed();
// getVendorTypeNumber() returns the same constant integer values as in java.sql.Types
updateObject(index, obj, null, JDBCType.of(targetSqlType.getVendorTypeNumber()), null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(int index, Object obj, SQLType targetSqlType, int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {index, obj, targetSqlType, scale});
checkClosed();
// getVendorTypeNumber() returns the same constant integer values as in java.sql.Types
updateObject(index, obj, scale, JDBCType.of(targetSqlType.getVendorTypeNumber()), null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(int index, Object obj, SQLType targetSqlType, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {index, obj, targetSqlType, scale, forceEncrypt});
checkClosed();
// getVendorTypeNumber() returns the same constant integer values as in java.sql.Types
updateObject(index, obj, scale, JDBCType.of(targetSqlType.getVendorTypeNumber()), null, forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(String columnName, Object obj, SQLType targetSqlType,
int scale) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {columnName, obj, targetSqlType, scale});
checkClosed();
// getVendorTypeNumber() returns the same constant integer values as in java.sql.Types
updateObject(findColumn(columnName), obj, scale, JDBCType.of(targetSqlType.getVendorTypeNumber()), null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(String columnName, Object obj, SQLType targetSqlType, int scale,
boolean forceEncrypt) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {columnName, obj, targetSqlType, scale, forceEncrypt});
checkClosed();
// getVendorTypeNumber() returns the same constant integer values as in java.sql.Types
updateObject(findColumn(columnName), obj, scale, JDBCType.of(targetSqlType.getVendorTypeNumber()), null,
forceEncrypt);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
@Override
public void updateObject(String columnName, Object obj, SQLType targetSqlType) throws SQLServerException {
if (loggerExternal.isLoggable(java.util.logging.Level.FINER))
loggerExternal.entering(getClassNameLogging(), "updateObject",
new Object[] {columnName, obj, targetSqlType});
checkClosed();
// getVendorTypeNumber() returns the same constant integer values as in java.sql.Types
updateObject(findColumn(columnName), obj, null, JDBCType.of(targetSqlType.getVendorTypeNumber()), null, false);
loggerExternal.exiting(getClassNameLogging(), "updateObject");
}
}