com.microsoft.sqlserver.jdbc.SQLServerDatabaseMetaData Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of mssql-jdbc Show documentation
Show all versions of mssql-jdbc Show documentation
Microsoft JDBC Driver for SQL Server.
/*
* 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.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverPropertyInfo;
import java.sql.ResultSet;
import java.sql.RowIdLifetime;
import java.sql.SQLException;
import java.text.MessageFormat;
import java.util.EnumMap;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
/**
* SQLServerDatabaseMetaData provides JDBC database meta data.
*
* The API javadoc for JDBC API methods that this class implements are not repeated here. Please see Sun's JDBC API interfaces javadoc for those
* details.
*/
public final class SQLServerDatabaseMetaData implements java.sql.DatabaseMetaData {
private SQLServerConnection connection;
static final String urlprefix = "jdbc:sqlserver://";
static final private java.util.logging.Logger logger = java.util.logging.Logger
.getLogger("com.microsoft.sqlserver.jdbc.internals.SQLServerDatabaseMetaData");
static final private java.util.logging.Logger loggerExternal = java.util.logging.Logger
.getLogger("com.microsoft.sqlserver.jdbc.internals.DatabaseMetaData");
static private final AtomicInteger baseID = new AtomicInteger(0); // Unique id generator for each instance (used for logging).
final private String traceID;
// varbinary(max) https://msdn.microsoft.com/en-us/library/ms143432.aspx
static final int MAXLOBSIZE = 2147483647;
// uniqueidentifier https://msdn.microsoft.com/en-us/library/ms187942.aspx
static final int uniqueidentifierSize = 36;
enum CallableHandles
{
SP_COLUMNS ("{ call sp_columns(?, ?, ?, ?, ?) }", "{ call sp_columns_100(?, ?, ?, ?, ?, ?) }"),
SP_COLUMN_PRIVILEGES ("{ call sp_column_privileges(?, ?, ?, ?)}", "{ call sp_column_privileges(?, ?, ?, ?)}"),
SP_TABLES ("{ call sp_tables(?, ?, ?, ?) }", "{ call sp_tables(?, ?, ?, ?) }"),
SP_SPECIAL_COLUMNS ("{ call sp_special_columns (?, ?, ?, ?, ?, ?, ?)}","{ call sp_special_columns_100 (?, ?, ?, ?, ?, ?, ?)}"),
SP_FKEYS ("{ call sp_fkeys (?, ?, ?, ? , ? ,?)}", "{ call sp_fkeys (?, ?, ?, ? , ? ,?)}"),
SP_STATISTICS ("{ call sp_statistics(?,?,?,?,?, ?) }", "{ call sp_statistics_100(?,?,?,?,?, ?) }"),
SP_SPROC_COLUMNS ("{ call sp_sproc_columns(?, ?, ?,?,?) }", "{ call sp_sproc_columns_100(?, ?, ?,?,?) }"),
SP_STORED_PROCEDURES ("{call sp_stored_procedures(?, ?, ?) }", "{call sp_stored_procedures(?, ?, ?) }"),
SP_TABLE_PRIVILEGES ("{call sp_table_privileges(?,?,?) }", "{call sp_table_privileges(?,?,?) }"),
SP_PKEYS ("{ call sp_pkeys (?, ?, ?)}", "{ call sp_pkeys (?, ?, ?)}");
// stored procs before Katmai ie SS10
private final String preKatProc;
// procs on or after katmai
private final String katProc;
private CallableHandles(String name,
String katName) {
this.preKatProc = name;
this.katProc = katName;
}
CallableStatement prepare(SQLServerConnection conn) throws SQLServerException {
return conn.prepareCall(conn.isKatmaiOrLater() ? katProc : preKatProc);
}
}
final class HandleAssociation {
final String databaseName;
final CallableStatement stmt;
HandleAssociation(String databaseName,
CallableStatement stmt) {
this.databaseName = databaseName;
this.stmt = stmt;
}
final void close() throws SQLServerException {
((SQLServerCallableStatement) stmt).close();
}
}
EnumMap handleMap = new EnumMap(CallableHandles.class);
// Returns unique id for each instance.
private static int nextInstanceID() {
return baseID.incrementAndGet();
}
/**
* This is a helper function to provide an ID string suitable for tracing.
*
* @return traceID string
*/
final public String toString() {
return traceID;
}
/**
* Create new database meta data
*
* @param con
* the connection
*/
/* L0 */ public SQLServerDatabaseMetaData(SQLServerConnection con) {
traceID = " SQLServerDatabaseMetaData:" + nextInstanceID();
connection = con;
if (logger.isLoggable(java.util.logging.Level.FINE)) {
logger.fine(toString() + " created by (" + connection.toString() + ")");
}
}
public boolean isWrapperFor(Class iface) throws SQLException {
boolean f = iface.isInstance(this);
return f;
}
public T unwrap(Class iface) throws SQLException {
T t;
try {
t = iface.cast(this);
}
catch (ClassCastException e) {
throw new SQLServerException(e.getMessage(), e);
}
return t;
}
private void checkClosed() throws SQLServerException {
if (connection.isClosed()) {
SQLServerException.makeFromDriverError(null, null, SQLServerException.getErrString("R_connectionIsClosed"),
SQLServerException.EXCEPTION_XOPEN_CONNECTION_DOES_NOT_EXIST, false);
}
}
private final static String ASC_OR_DESC = "ASC_OR_DESC";
private final static String ATTR_NAME = "ATTR_NAME";
private final static String ATTR_TYPE_NAME = "ATTR_TYPE_NAME";
private final static String ATTR_SIZE = "ATTR_SIZE";
private final static String ATTR_DEF = "ATTR_DEF";
private final static String BASE_TYPE = "BASE_TYPE";
private final static String BUFFER_LENGTH = "BUFFER_LENGTH";
private final static String CARDINALITY = "CARDINALITY";
private final static String CHAR_OCTET_LENGTH = "CHAR_OCTET_LENGTH";
private final static String CLASS_NAME = "CLASS_NAME";
private final static String COLUMN_DEF = "COLUMN_DEF";
private final static String COLUMN_NAME = "COLUMN_NAME";
private final static String COLUMN_SIZE = "COLUMN_SIZE";
private final static String COLUMN_TYPE = "COLUMN_TYPE";
private final static String DATA_TYPE = "DATA_TYPE";
private final static String DECIMAL_DIGITS = "DECIMAL_DIGITS";
private final static String DEFERRABILITY = "DEFERRABILITY";
private final static String DELETE_RULE = "DELETE_RULE";
private final static String FILTER_CONDITION = "FILTER_CONDITION";
private final static String FK_NAME = "FK_NAME";
private final static String FKCOLUMN_NAME = "FKCOLUMN_NAME";
private final static String FKTABLE_CAT = "FKTABLE_CAT";
private final static String FKTABLE_NAME = "FKTABLE_NAME";
private final static String FKTABLE_SCHEM = "FKTABLE_SCHEM";
private final static String GRANTEE = "GRANTEE";
private final static String GRANTOR = "GRANTOR";
private final static String INDEX_NAME = "INDEX_NAME";
private final static String INDEX_QUALIFIER = "INDEX_QUALIFIER";
private final static String IS_GRANTABLE = "IS_GRANTABLE";
private final static String IS_NULLABLE = "IS_NULLABLE";
private final static String KEY_SEQ = "KEY_SEQ";
private final static String LENGTH = "LENGTH";
private final static String NON_UNIQUE = "NON_UNIQUE";
private final static String NULLABLE = "NULLABLE";
private final static String NUM_INPUT_PARAMS = "NUM_INPUT_PARAMS";
private final static String NUM_OUTPUT_PARAMS = "NUM_OUTPUT_PARAMS";
private final static String NUM_PREC_RADIX = "NUM_PREC_RADIX";
private final static String NUM_RESULT_SETS = "NUM_RESULT_SETS";
private final static String ORDINAL_POSITION = "ORDINAL_POSITION";
private final static String PAGES = "PAGES";
private final static String PK_NAME = "PK_NAME";
private final static String PKCOLUMN_NAME = "PKCOLUMN_NAME";
private final static String PKTABLE_CAT = "PKTABLE_CAT";
private final static String PKTABLE_NAME = "PKTABLE_NAME";
private final static String PKTABLE_SCHEM = "PKTABLE_SCHEM";
private final static String PRECISION = "PRECISION";
private final static String PRIVILEGE = "PRIVILEGE";
private final static String PROCEDURE_CAT = "PROCEDURE_CAT";
private final static String PROCEDURE_NAME = "PROCEDURE_NAME";
private final static String PROCEDURE_SCHEM = "PROCEDURE_SCHEM";
private final static String PROCEDURE_TYPE = "PROCEDURE_TYPE";
private final static String PSEUDO_COLUMN = "PSEUDO_COLUMN";
private final static String RADIX = "RADIX";
private final static String REMARKS = "REMARKS";
private final static String SCALE = "SCALE";
private final static String SCOPE = "SCOPE";
private final static String SCOPE_CATALOG = "SCOPE_CATALOG";
private final static String SCOPE_SCHEMA = "SCOPE_SCHEMA";
private final static String SCOPE_TABLE = "SCOPE_TABLE";
private final static String SOURCE_DATA_TYPE = "SOURCE_DATA_TYPE";
private final static String SQL_DATA_TYPE = "SQL_DATA_TYPE";
private final static String SQL_DATETIME_SUB = "SQL_DATETIME_SUB";
private final static String SS_DATA_TYPE = "SS_DATA_TYPE";
private final static String SUPERTABLE_NAME = "SUPERTABLE_NAME";
private final static String SUPERTYPE_CAT = "SUPERTYPE_CAT";
private final static String SUPERTYPE_NAME = "SUPERTYPE_NAME";
private final static String SUPERTYPE_SCHEM = "SUPERTYPE_SCHEM";
private final static String TABLE_CAT = "TABLE_CAT";
private final static String TABLE_NAME = "TABLE_NAME";
private final static String TABLE_SCHEM = "TABLE_SCHEM";
private final static String TABLE_TYPE = "TABLE_TYPE";
private final static String TYPE = "TYPE";
private final static String TYPE_CAT = "TYPE_CAT";
private final static String TYPE_NAME = "TYPE_NAME";
private final static String TYPE_SCHEM = "TYPE_SCHEM";
private final static String UPDATE_RULE = "UPDATE_RULE";
private final static String FUNCTION_CAT = "FUNCTION_CAT";
private final static String FUNCTION_NAME = "FUNCTION_NAME";
private final static String FUNCTION_SCHEM = "FUNCTION_SCHEM";
private final static String FUNCTION_TYPE = "FUNCTION_TYPE";
private final static String SS_IS_SPARSE = "SS_IS_SPARSE";
private final static String SS_IS_COLUMN_SET = "SS_IS_COLUMN_SET";
private final static String SS_IS_COMPUTED = "SS_IS_COMPUTED";
private final static String IS_AUTOINCREMENT = "IS_AUTOINCREMENT";
/**
* Make a simple query execute and return the result from it. This is to be used only for internal queries without any user input.
*
* @param catalog
* catalog the query to be made in
* @param query
* to execute
* @return Resultset from the execution
*/
private SQLServerResultSet getResultSetFromInternalQueries(String catalog,
String query) throws SQLServerException {
checkClosed();
String orgCat = null;
orgCat = switchCatalogs(catalog);
SQLServerResultSet rs = null;
try {
rs = ((SQLServerStatement) connection.createStatement()).executeQueryInternal(query);
}
finally {
if (null != orgCat) {
connection.setCatalog(orgCat);
}
}
return rs;
}
/*
* Note we pool the handles per object.
*/
private CallableStatement getCallableStatementHandle(CallableHandles request,
String catalog) throws SQLServerException {
CallableStatement CS = null;
HandleAssociation hassoc = handleMap.get(request);
if (null == hassoc || null == hassoc.databaseName || !hassoc.databaseName.equals(catalog)) {
CS = request.prepare(connection);
hassoc = new HandleAssociation(catalog, CS);
HandleAssociation previous = handleMap.put(request, hassoc);
if (null != previous) {
previous.close();
}
}
return hassoc.stmt;
}
/**
* Make the stored procedure call and return the result from it.
*
* @param catalog
* catalog the query to be made in
* @param procedure
* to execute
* @param arguments
* for the stored procedure
* @return Resultset from the execution
*/
private SQLServerResultSet getResultSetFromStoredProc(String catalog,
CallableHandles procedure,
String[] arguments) throws SQLServerException {
checkClosed();
assert null != arguments;
String orgCat = null;
orgCat = switchCatalogs(catalog);
SQLServerResultSet rs = null;
try {
SQLServerCallableStatement call = (SQLServerCallableStatement) getCallableStatementHandle(procedure, catalog);
for (int i = 1; i <= arguments.length; i++) {
// note individual arguments can be null.
call.setString(i, arguments[i - 1]);
}
rs = (SQLServerResultSet) call.executeQueryInternal();
}
finally {
if (null != orgCat) {
connection.setCatalog(orgCat);
}
}
return rs;
}
private SQLServerResultSet getResultSetWithProvidedColumnNames(String catalog,
CallableHandles procedure,
String[] arguments,
String[] columnNames) throws SQLServerException {
// Execute the query
SQLServerResultSet rs = getResultSetFromStoredProc(catalog, procedure, arguments);
// Rename the columns
for (int i = 0; i < columnNames.length; i++)
rs.setColumnName(1 + i, columnNames[i]);
return rs;
}
/**
* Switch database catalogs.
*
* @param catalog
* the new catalog
* @throws SQLServerException
* @return the old catalog
*/
/* L0 */ private String switchCatalogs(String catalog) throws SQLServerException {
if (catalog == null)
return null;
String sCurr = null;
sCurr = connection.getCatalog().trim();
String sNew = catalog.trim();
if (sCurr.equals(sNew))
return null;
connection.setCatalog(sNew);
if (sCurr == null || sCurr.length() == 0)
return null;
return sCurr;
}
/* -------------- JDBC Interface API starts here ---------------- */
/* L0 */ public boolean allProceduresAreCallable() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean allTablesAreSelectable() throws SQLServerException {
checkClosed();
return true;
}
public boolean autoCommitFailureClosesAllResultSets() throws SQLException {
checkClosed();
return false;
}
/* L0 */ public boolean dataDefinitionCausesTransactionCommit() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean dataDefinitionIgnoredInTransactions() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean doesMaxRowSizeIncludeBlobs() throws SQLServerException {
checkClosed();
return false;
}
public boolean generatedKeyAlwaysReturned() throws SQLException {
checkClosed();
// driver supports retrieving generated keys
return true;
}
public long getMaxLogicalLobSize() throws SQLException {
DriverJDBCVersion.checkSupportsJDBC42();
checkClosed();
return MAXLOBSIZE;
}
public boolean supportsRefCursors() throws SQLException {
DriverJDBCVersion.checkSupportsJDBC42();
checkClosed();
return false;
}
/* L0 */ public java.sql.ResultSet getCatalogs() throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
// Return the orginal case instead of CAPS.removed Upper().
String s = "SELECT name AS TABLE_CAT FROM sys.databases order by name"; // Need to match case of connection.getCatalog
return getResultSetFromInternalQueries(null, s);
}
/* L0 */ public String getCatalogSeparator() throws SQLServerException {
checkClosed();
return ".";
}
/* L0 */ public String getCatalogTerm() throws SQLServerException {
checkClosed();
return "database";
}
private final static String[] getColumnPrivilegesColumnNames = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ COLUMN_NAME,
/* 5 */ GRANTOR, /* 6 */ GRANTEE, /* 7 */ PRIVILEGE, /* 8 */ IS_GRANTABLE};
/* L0 */ public java.sql.ResultSet getColumnPrivileges(String catalog,
String schema,
String table,
String col) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
// column_privileges supports columns being escaped.
col = EscapeIDName(col);
/*
* sp_column_privileges [ @table_name = ] 'table_name' [ , [ @table_owner = ] 'table_owner' ] [ , [ @table_qualifier = ] 'table_qualifier' ] [
* , [ @column_name = ] 'column' ]
*/
String[] arguments = new String[4];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = catalog;
arguments[3] = col;
return getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_COLUMN_PRIVILEGES, arguments, getColumnPrivilegesColumnNames);
}
private final static String[] getTablesColumnNames = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ TABLE_TYPE,
/* 5 */ REMARKS};
/* L0 */ public java.sql.ResultSet getTables(String catalog,
String schema,
String table,
String types[]) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
// sp_tables supports table name and owner ie schema escaped.
table = EscapeIDName(table);
schema = EscapeIDName(schema);
/*
* sp_tables [ [ @table_name = ] 'name' ] [ , [ @table_owner = ] 'owner' ] [ , [ @table_qualifier = ] 'qualifier' ] [ , [ @table_type = ]
* "type" ]
*/
String[] arguments = new String[4];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = catalog;
String tableTypes = null;
if (types != null) {
tableTypes = "'";
for (int i = 0; i < types.length; i++) {
if (i > 0)
tableTypes += ",";
tableTypes += "''" + types[i] + "''";
}
tableTypes += "'";
}
arguments[3] = tableTypes;
return getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_TABLES, arguments, getTablesColumnNames);
}
static final char LEFT_BRACKET = '[';
static final char RIGHT_BRACKET = ']';
static final char ESCAPE = '\\';
static final char PERCENT = '%';
static final char UNDERSCORE = '_';
static final char DOUBLE_RIGHT_BRACKET[] = {']', ']'};
/**
* Accepts a SQL identifier (such as a column name or table name) and escapes the identifier so sql 92 wild card characters can be escaped
* properly to be passed to functions like sp_columns or sp_tables. Assumes that the incoming identifier is unescaped.
*
* @inID input identifier to escape.
* @return the escaped value.
*/
private static String EscapeIDName(String inID) throws SQLServerException {
if (null == inID)
return inID;
// SQL bracket escaping rules.
// See Using Wildcard Characters As Literals in SQL BOL
//
// 5\% -> '5[%]'
// \_n -> '[_]n'
// \[ -> '[ [ ]'
// \] -> ']'
// \\ -> \
// \x -> \x where x is any char other than the ones above.
char ch;
// Add 2 extra chars wild guess thinking atleast one escape.
StringBuilder outID = new StringBuilder(inID.length() + 2);
for (int i = 0; i < inID.length(); i++) {
ch = inID.charAt(i);
if (ESCAPE == ch && (++i < inID.length())) {
ch = inID.charAt(i);
switch (ch) {
case PERCENT:
case UNDERSCORE:
case LEFT_BRACKET:
outID.append(LEFT_BRACKET);
outID.append(ch);
outID.append(RIGHT_BRACKET);
break;
case RIGHT_BRACKET:
case ESCAPE:
outID.append(ch);
break;
default:
outID.append(ESCAPE);
outID.append(ch);
}
}
else {
// no escape just copy
outID.append(ch);
}
}
return outID.toString();
}
private final static String[] getColumnsColumnNames = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ COLUMN_NAME,
/* 5 */ DATA_TYPE, /* 6 */ TYPE_NAME, /* 7 */ COLUMN_SIZE, /* 8 */ BUFFER_LENGTH, /* 9 */ DECIMAL_DIGITS, /* 10 */ NUM_PREC_RADIX,
/* 11 */ NULLABLE, /* 12 */ REMARKS, /* 13 */ COLUMN_DEF, /* 14 */ SQL_DATA_TYPE, /* 15 */ SQL_DATETIME_SUB, /* 16 */ CHAR_OCTET_LENGTH,
/* 17 */ ORDINAL_POSITION, /* 18 */ IS_NULLABLE};
// SQL10 columns not exahustive we only need to set until the one we want to change
// in this case we want to change SS_IS_IDENTITY 22nd column to IS_AUTOINCREMENT
// to be inline with JDBC spec
private final static String[] getColumnsColumnNamesKatmai = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ COLUMN_NAME,
/* 5 */ DATA_TYPE, /* 6 */ TYPE_NAME, /* 7 */ COLUMN_SIZE, /* 8 */ BUFFER_LENGTH, /* 9 */ DECIMAL_DIGITS, /* 10 */ NUM_PREC_RADIX,
/* 11 */ NULLABLE, /* 12 */ REMARKS, /* 13 */ COLUMN_DEF, /* 14 */ SQL_DATA_TYPE, /* 15 */ SQL_DATETIME_SUB, /* 16 */ CHAR_OCTET_LENGTH,
/* 17 */ ORDINAL_POSITION, /* 18 */ IS_NULLABLE, /* 20 */ SS_IS_SPARSE, /* 20 */ SS_IS_COLUMN_SET, /* 21 */ SS_IS_COMPUTED,
/* 22 */ IS_AUTOINCREMENT};
/* L0 */ public java.sql.ResultSet getColumns(String catalog,
String schema,
String table,
String col) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
// sp_columns supports wild carding schema table and columns
String column = EscapeIDName(col);
table = EscapeIDName(table);
schema = EscapeIDName(schema);
/*
* sp_columns [ @table_name = ] object [ , [ @table_owner = ] owner ] [ , [ @table_qualifier = ] qualifier ] [ , [ @column_name = ] column ] [
* , [ @ODBCVer = ] ODBCVer ]
*/
String[] arguments;
if (connection.isKatmaiOrLater())
arguments = new String[6];
else
arguments = new String[5];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = catalog;
arguments[3] = column;
if (connection.isKatmaiOrLater()) {
arguments[4] = "2"; // give information about everything including sparse columns
arguments[5] = "3"; // odbc version
}
else
arguments[4] = "3"; // odbc version
SQLServerResultSet rs;
if (connection.isKatmaiOrLater())
rs = getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_COLUMNS, arguments, getColumnsColumnNamesKatmai);
else
rs = getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_COLUMNS, arguments, getColumnsColumnNames);
// Hook in a filter on the DATA_TYPE column of the result set we're
// going to return that converts the ODBC values from sp_columns
// into JDBC values.
rs.getColumn(5).setFilter(new DataTypeFilter());
if (connection.isKatmaiOrLater()) {
rs.getColumn(22).setFilter(new IntColumnIdentityFilter());
rs.getColumn(7).setFilter(new ZeroFixupFilter());
rs.getColumn(8).setFilter(new ZeroFixupFilter());
rs.getColumn(16).setFilter(new ZeroFixupFilter());
}
return rs;
}
private final static String[] getFunctionsColumnNames = {/* 1 */ FUNCTION_CAT, /* 2 */ FUNCTION_SCHEM, /* 3 */ FUNCTION_NAME,
/* 4 */ NUM_INPUT_PARAMS, /* 5 */ NUM_OUTPUT_PARAMS, /* 6 */ NUM_RESULT_SETS, /* 7 */ REMARKS, /* 8 */ FUNCTION_TYPE};
public java.sql.ResultSet getFunctions(String catalog,
String schemaPattern,
String functionNamePattern) throws SQLException {
checkClosed();
/*
* sp_stored_procedures [ [ @sp_name = ] 'name' ] [ , [ @sp_owner = ] 'schema'] [ , [ @sp_qualifier = ] 'qualifier' ] [ , [@fUsePattern = ]
* 'fUsePattern' ]
*/ // use default ie use pattern matching.
// catalog cannot be empty in sql server
if (catalog != null && catalog.length() == 0) {
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidArgument"));
Object[] msgArgs = {"catalog"};
SQLServerException.makeFromDriverError(null, null, form.format(msgArgs), null, false);
}
String[] arguments = new String[3];
arguments[0] = EscapeIDName(functionNamePattern);
arguments[1] = EscapeIDName(schemaPattern);
arguments[2] = catalog;
return getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_STORED_PROCEDURES, arguments, getFunctionsColumnNames);
}
private final static String[] getFunctionsColumnsColumnNames = {/* 1 */ FUNCTION_CAT, /* 2 */ FUNCTION_SCHEM, /* 3 */ FUNCTION_NAME,
/* 4 */ COLUMN_NAME, /* 5 */ COLUMN_TYPE, /* 6 */ DATA_TYPE, /* 7 */ TYPE_NAME, /* 8 */ PRECISION, /* 9 */ LENGTH, /* 10 */ SCALE,
/* 11 */ RADIX, /* 12 */ NULLABLE, /* 13 */ REMARKS, /* 14 */ COLUMN_DEF, /* 15 */ SQL_DATA_TYPE, /* 16 */ SQL_DATETIME_SUB,
/* 17 */ CHAR_OCTET_LENGTH, /* 18 */ ORDINAL_POSITION, /* 19 */ IS_NULLABLE};
public java.sql.ResultSet getFunctionColumns(String catalog,
String schemaPattern,
String functionNamePattern,
String columnNamePattern) throws SQLException {
checkClosed();
/*
* sp_sproc_columns [[@procedure_name =] 'name'] [,[@procedure_owner =] 'owner'] [,[@procedure_qualifier =] 'qualifier'] [,[@column_name =]
* 'column_name'] [,[@ODBCVer =] 'ODBCVer']
*/
// catalog cannot be empty in sql server
if (catalog != null && catalog.length() == 0) {
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidArgument"));
Object[] msgArgs = {"catalog"};
SQLServerException.makeFromDriverError(null, null, form.format(msgArgs), null, false);
}
String[] arguments = new String[5];
// proc name supports escaping
arguments[0] = EscapeIDName(functionNamePattern);
// schema name supports escaping.
arguments[1] = EscapeIDName(schemaPattern);
arguments[2] = catalog;
// col name supports escaping
arguments[3] = EscapeIDName(columnNamePattern);
arguments[4] = "3";
SQLServerResultSet rs = getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_SPROC_COLUMNS, arguments,
getFunctionsColumnsColumnNames);
// Hook in a filter on the DATA_TYPE column of the result set we're
// going to return that converts the ODBC values from sp_columns
// into JDBC values. Also for the precision
rs.getColumn(6).setFilter(new DataTypeFilter());
if (connection.isKatmaiOrLater()) {
rs.getColumn(8).setFilter(new ZeroFixupFilter());
rs.getColumn(9).setFilter(new ZeroFixupFilter());
rs.getColumn(17).setFilter(new ZeroFixupFilter());
}
return rs;
}
public java.sql.ResultSet getClientInfoProperties() throws SQLException {
checkClosed();
return getResultSetFromInternalQueries(null, "SELECT" +
/* 1 */ " cast(NULL as char(1)) as NAME," +
/* 2 */ " cast(0 as int) as MAX_LEN," +
/* 3 */ " cast(NULL as char(1)) as DEFAULT_VALUE," +
/* 4 */ " cast(NULL as char(1)) as DESCRIPTION " + " where 0 = 1");
}
private final static String[] getBestRowIdentifierColumnNames = {/* 1 */ SCOPE, /* 2 */ COLUMN_NAME, /* 3 */ DATA_TYPE, /* 4 */ TYPE_NAME,
/* 5 */ COLUMN_SIZE, /* 6 */ BUFFER_LENGTH, /* 7 */ DECIMAL_DIGITS, /* 8 */ PSEUDO_COLUMN};
/* L0 */ public java.sql.ResultSet getBestRowIdentifier(String catalog,
String schema,
String table,
int scope,
boolean nullable) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_special_columns [@table_name =] 'table_name' [,[@table_owner =] 'table_owner'] [,[@qualifier =] 'qualifier'] [,[@col_type =] 'col_type']
* [,[@scope =] 'scope'] [,[@nullable =] 'nullable'] [,[@ODBCVer =] 'ODBCVer'] ;
*/
String[] arguments = new String[7];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = catalog;
arguments[3] = "R"; // coltype
if (bestRowTemporary == scope)
arguments[4] = "C"; // Scope is temporary C
else
arguments[4] = "T"; // Scope is for the transaction
if (nullable)
arguments[5] = "U"; // nullable
else
arguments[5] = "O"; // nullable
arguments[6] = "3"; // Use 3 unless required otherwise
SQLServerResultSet rs = getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_SPECIAL_COLUMNS, arguments,
getBestRowIdentifierColumnNames);
// Hook in a filter on the DATA_TYPE column of the result set we're
// going to return that converts the ODBC values from sp_columns
// into JDBC values.
rs.getColumn(3).setFilter(new DataTypeFilter());
return rs;
}
private final static String[] pkfkColumnNames = {/* 1 */ PKTABLE_CAT, /* 2 */ PKTABLE_SCHEM, /* 3 */ PKTABLE_NAME, /* 4 */ PKCOLUMN_NAME,
/* 5 */ FKTABLE_CAT, /* 6 */ FKTABLE_SCHEM, /* 7 */ FKTABLE_NAME, /* 8 */ FKCOLUMN_NAME, /* 9 */ KEY_SEQ, /* 10 */ UPDATE_RULE,
/* 11 */ DELETE_RULE, /* 12 */ FK_NAME, /* 13 */ PK_NAME, /* 14 */ DEFERRABILITY};
/* L0 */ public java.sql.ResultSet getCrossReference(String cat1,
String schem1,
String tab1,
String cat2,
String schem2,
String tab2) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_fkeys [ @pktable_name = ] 'pktable_name' [ , [ @pktable_owner = ] 'pktable_owner' ] [ , [ @pktable_qualifier = ] 'pktable_qualifier' ] {
* , [ @fktable_name = ] 'fktable_name' } [ , [ @fktable_owner = ] 'fktable_owner' ] [ , [ @fktable_qualifier = ] 'fktable_qualifier' ]
*/
String[] arguments = new String[6];
arguments[0] = tab1; // pktable_name
arguments[1] = schem1;
arguments[2] = cat1;
arguments[3] = tab2;
arguments[4] = schem2;
arguments[5] = cat2;
return getResultSetWithProvidedColumnNames(null, CallableHandles.SP_FKEYS, arguments, pkfkColumnNames);
}
/* L0 */ public String getDatabaseProductName() throws SQLServerException {
checkClosed();
return "Microsoft SQL Server";
}
/* L0 */ public String getDatabaseProductVersion() throws SQLServerException {
checkClosed();
return connection.sqlServerVersion;
}
/* L0 */ public int getDefaultTransactionIsolation() throws SQLServerException {
checkClosed();
return java.sql.Connection.TRANSACTION_READ_COMMITTED;
}
/* L0 */ public int getDriverMajorVersion() {
return SQLJdbcVersion.major;
}
/* L0 */ public int getDriverMinorVersion() {
return SQLJdbcVersion.minor;
}
/* L0 */ public String getDriverName() throws SQLServerException {
checkClosed();
return SQLServerDriver.PRODUCT_NAME;
}
/* L0 */ public String getDriverVersion() throws SQLServerException {
// driver version in the Major.Minor.MMDD.Revision form
int n = getDriverMinorVersion();
String s = getDriverMajorVersion() + ".";
s += "" + n;
s = s + ".";
s = s + SQLJdbcVersion.patch;
s = s + ".";
s = s + SQLJdbcVersion.build;
return s;
}
/* L0 */ public java.sql.ResultSet getExportedKeys(String cat,
String schema,
String table) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_fkeys [ @pktable_name = ] 'pktable_name' [ , [ @pktable_owner = ] 'pktable_owner' ] [ , [ @pktable_qualifier = ] 'pktable_qualifier' ] {
* , [ @fktable_name = ] 'fktable_name' } [ , [ @fktable_owner = ] 'fktable_owner' ] [ , [ @fktable_qualifier = ] 'fktable_qualifier' ]
*/
String[] arguments = new String[6];
arguments[0] = table; // pktable_name
arguments[1] = schema;
arguments[2] = cat;
arguments[3] = null; // fktable_name
arguments[4] = null;
arguments[5] = null;
return getResultSetWithProvidedColumnNames(cat, CallableHandles.SP_FKEYS, arguments, pkfkColumnNames);
}
/* L0 */ public String getExtraNameCharacters() throws SQLServerException {
checkClosed();
return "$#@";
}
/* L0 */ public String getIdentifierQuoteString() throws SQLServerException {
checkClosed();
return "\"";
}
/* L0 */ public java.sql.ResultSet getImportedKeys(String cat,
String schema,
String table) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_fkeys [ @pktable_name = ] 'pktable_name' [ , [ @pktable_owner = ] 'pktable_owner' ] [ , [ @pktable_qualifier = ] 'pktable_qualifier' ] {
* , [ @fktable_name = ] 'fktable_name' } [ , [ @fktable_owner = ] 'fktable_owner' ] [ , [ @fktable_qualifier = ] 'fktable_qualifier' ]
*/
String[] arguments = new String[6];
arguments[0] = null; // pktable_name
arguments[1] = null;
arguments[2] = null;
arguments[3] = table; // fktable_name
arguments[4] = schema;
arguments[5] = cat;
return getResultSetWithProvidedColumnNames(cat, CallableHandles.SP_FKEYS, arguments, pkfkColumnNames);
}
private final static String[] getIndexInfoColumnNames = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ NON_UNIQUE,
/* 5 */ INDEX_QUALIFIER, /* 6 */ INDEX_NAME, /* 7 */ TYPE, /* 8 */ ORDINAL_POSITION, /* 9 */ COLUMN_NAME, /* 10 */ ASC_OR_DESC,
/* 11 */ CARDINALITY, /* 12 */ PAGES, /* 13 */ FILTER_CONDITION};
/* L0 */ public java.sql.ResultSet getIndexInfo(String cat,
String schema,
String table,
boolean unique,
boolean approximate) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_statistics [ @table_name = ] 'table_name' [ , [ @table_owner = ] 'owner' ] [ , [ @table_qualifier = ] 'qualifier' ] [ , [ @index_name =
* ] 'index_name' ] [ , [ @is_unique = ] 'is_unique' ] [ , [ @accuracy = ] 'accuracy' ]
*/
String[] arguments = new String[6];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = cat;
// use default for index name
arguments[3] = "%"; // index name % is default
if (unique)
arguments[4] = "Y"; // is_unique
else
arguments[4] = "N";
if (approximate)
arguments[5] = "Q";
else
arguments[5] = "E";
return getResultSetWithProvidedColumnNames(cat, CallableHandles.SP_STATISTICS, arguments, getIndexInfoColumnNames);
}
/* L0 */ public int getMaxBinaryLiteralLength() throws SQLServerException {
checkClosed();
return 0;
}
/* L0 */ public int getMaxCatalogNameLength() throws SQLServerException {
checkClosed();
return 128;
}
/* L0 */ public int getMaxCharLiteralLength() throws SQLServerException {
checkClosed();
return 0;
}
/* L0 */ public int getMaxColumnNameLength() throws SQLServerException {
checkClosed();
return 128;
}
/* L0 */ public int getMaxColumnsInGroupBy() throws SQLServerException {
checkClosed();
return 0;
}
/* L0 */ public int getMaxColumnsInIndex() throws SQLServerException {
checkClosed();
return 16;
}
/* L0 */ public int getMaxColumnsInOrderBy() throws SQLServerException {
checkClosed();
return 0;
}
/* L0 */ public int getMaxColumnsInSelect() throws SQLServerException {
checkClosed();
return 4096;
}
/* L0 */ public int getMaxColumnsInTable() throws SQLServerException {
checkClosed();
return 1024;
}
/* L0 */ public int getMaxConnections() throws SQLServerException {
checkClosed();
try {
String s = "sp_configure 'user connections'";
SQLServerResultSet rs = getResultSetFromInternalQueries(null, s);
if (!rs.next())
return 0;
return rs.getInt("maximum");
}
catch (SQLServerException e) {
return 0;
}
}
/* L0 */ public int getMaxCursorNameLength() throws SQLServerException {
checkClosed();
return 0;
}
/* L0 */ public int getMaxIndexLength() throws SQLServerException {
checkClosed();
return 900;
}
/* L0 */ public int getMaxProcedureNameLength() throws SQLServerException {
checkClosed();
return 128;
}
/* L0 */ public int getMaxRowSize() throws SQLServerException {
checkClosed();
return 8060;
}
/* L0 */ public int getMaxSchemaNameLength() throws SQLServerException {
checkClosed();
return 128;
}
/* L0 */ public int getMaxStatementLength() throws SQLServerException {
checkClosed();
// SQL Server currently limits to 64K the number of TDS packets per conversation.
// This number multiplied by the size of each TDS packet yields the maximum total
// size of any request to the server, which is therefore an upper bound to the
// maximum SQL statement length.
return 65536 * connection.getTDSPacketSize();
}
/* L0 */ public int getMaxStatements() throws SQLServerException {
checkClosed();
return 0;
}
/* L0 */ public int getMaxTableNameLength() throws SQLServerException {
checkClosed();
return 128;
}
/* L0 */ public int getMaxTablesInSelect() throws SQLServerException {
checkClosed();
return 256;
}
/* L0 */ public int getMaxUserNameLength() throws SQLServerException {
checkClosed();
return 128;
}
/* L0 */ public String getNumericFunctions() throws SQLServerException {
checkClosed();
return "ABS,ACOS,ASIN,ATAN,ATAN2,CEILING,COS,COT,DEGREES,EXP, FLOOR,LOG,LOG10,MOD,PI,POWER,RADIANS,RAND,ROUND,SIGN,SIN,SQRT,TAN,TRUNCATE";
}
private final static String[] getPrimaryKeysColumnNames = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ COLUMN_NAME,
/* 5 */ KEY_SEQ, /* 6 */ PK_NAME};
/* L0 */ public java.sql.ResultSet getPrimaryKeys(String cat,
String schema,
String table) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_pkeys [ @table_name = ] 'name' [ , [ @table_owner = ] 'owner' ] [ , [ @table_qualifier = ] 'qualifier' ]
*/
String[] arguments = new String[3];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = cat;
return getResultSetWithProvidedColumnNames(cat, CallableHandles.SP_PKEYS, arguments, getPrimaryKeysColumnNames);
}
private final static String[] getProcedureColumnsColumnNames = {/* 1 */ PROCEDURE_CAT, /* 2 */ PROCEDURE_SCHEM, /* 3 */ PROCEDURE_NAME,
/* 4 */ COLUMN_NAME, /* 5 */ COLUMN_TYPE, /* 6 */ DATA_TYPE, /* 7 */ TYPE_NAME, /* 8 */ PRECISION, /* 9 */ LENGTH, /* 10 */ SCALE,
/* 11 */ RADIX, /* 12 */ NULLABLE, /* 13 */ REMARKS, /* 14 */ COLUMN_DEF, /* 15 */ SQL_DATA_TYPE, /* 16 */ SQL_DATETIME_SUB,
/* 17 */ CHAR_OCTET_LENGTH, /* 18 */ ORDINAL_POSITION, /* 19 */ IS_NULLABLE};
/* L0 */ public java.sql.ResultSet getProcedureColumns(String catalog,
String schema,
String proc,
String col) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_sproc_columns [[@procedure_name =] 'name'] [,[@procedure_owner =] 'owner'] [,[@procedure_qualifier =] 'qualifier'] [,[@column_name =]
* 'column_name'] [,[@ODBCVer =] 'ODBCVer']
*/
String[] arguments = new String[5];
// proc name supports escaping
proc = EscapeIDName(proc);
arguments[0] = proc;
arguments[1] = schema;
arguments[2] = catalog;
// col name supports escaping
col = EscapeIDName(col);
arguments[3] = col;
arguments[4] = "3";
SQLServerResultSet rs = getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_SPROC_COLUMNS, arguments,
getProcedureColumnsColumnNames);
// Hook in a filter on the DATA_TYPE column of the result set we're
// going to return that converts the ODBC values from sp_columns
// into JDBC values. Also for the precision
rs.getColumn(6).setFilter(new DataTypeFilter());
if (connection.isKatmaiOrLater()) {
rs.getColumn(8).setFilter(new ZeroFixupFilter());
rs.getColumn(9).setFilter(new ZeroFixupFilter());
rs.getColumn(17).setFilter(new ZeroFixupFilter());
}
return rs;
}
private final static String[] getProceduresColumnNames = {/* 1 */ PROCEDURE_CAT, /* 2 */ PROCEDURE_SCHEM, /* 3 */ PROCEDURE_NAME,
/* 4 */ NUM_INPUT_PARAMS, /* 5 */ NUM_OUTPUT_PARAMS, /* 6 */ NUM_RESULT_SETS, /* 7 */ REMARKS, /* 8 */ PROCEDURE_TYPE};
/* L0 */ public java.sql.ResultSet getProcedures(String catalog,
String schema,
String proc) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_stored_procedures [ [ @sp_name = ] 'name' ] [ , [ @sp_owner = ] 'schema'] [ , [ @sp_qualifier = ] 'qualifier' ] [ , [@fUsePattern = ]
* 'fUsePattern' ]
*/
String[] arguments = new String[3];
arguments[0] = EscapeIDName(proc);
arguments[1] = schema;
arguments[2] = catalog;
return getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_STORED_PROCEDURES, arguments, getProceduresColumnNames);
}
/* L0 */ public String getProcedureTerm() throws SQLServerException {
checkClosed();
return "stored procedure";
}
public ResultSet getPseudoColumns(String catalog,
String schemaPattern,
String tableNamePattern,
String columnNamePattern) throws SQLException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
// SQL server does not support pseudo columns for identifiers
// as per http://msdn.microsoft.com/en-us/library/ms378445%28v=sql.110%29.aspx
// so just return empty result set
return getResultSetFromInternalQueries(catalog, "SELECT" +
/* 1 */ " cast(NULL as char(1)) as TABLE_CAT," +
/* 2 */ " cast(NULL as char(1)) as TABLE_SCHEM," +
/* 3 */ " cast(NULL as char(1)) as TABLE_NAME," +
/* 4 */ " cast(NULL as char(1)) as COLUMN_NAME," +
/* 5 */ " cast(0 as int) as DATA_TYPE," +
/* 6 */ " cast(0 as int) as COLUMN_SIZE," +
/* 8 */ " cast(0 as int) as DECIMAL_DIGITS," +
/* 9 */ " cast(0 as int) as NUM_PREC_RADIX," +
/* 10 */ " cast(NULL as char(1)) as COLUMN_USAGE," +
/* 11 */ " cast(NULL as char(1)) as REMARKS," +
/* 12 */ " cast(0 as int) as CHAR_OCTET_LENGTH," +
/* 13 */ " cast(NULL as char(1)) as IS_NULLABLE" + " where 0 = 1");
}
/* L0 */ public java.sql.ResultSet getSchemas() throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
return getSchemasInternal(null, null);
}
private java.sql.ResultSet getSchemasInternal(String catalog,
String schemaPattern) throws SQLServerException {
String s;
// The schemas that return null for catalog name, these are prebuilt schemas shipped by SQLServer, if SQLServer adds anymore of these
// we need to add them here.
String constSchemas = " ('dbo', 'guest','INFORMATION_SCHEMA','sys','db_owner', 'db_accessadmin', 'db_securityadmin', 'db_ddladmin' "
+ " ,'db_backupoperator','db_datareader','db_datawriter','db_denydatareader','db_denydatawriter') ";
String schema = "sys.schemas";
String schemaName = "sys.schemas.name";
if (null != catalog && catalog.length() != 0) {
schema = catalog + "." + schema;
schemaName = catalog + "." + schemaName;
}
// The common schemas need to be under null catalog name however the schemas specific to the particular catalog has to have the current
// catalog name
// to achive this, first we figure out the common schemas by intersecting current catalogs schemas with the const schemas (ie builtinSchemas)
s = "select " + schemaName + " 'TABLE_SCHEM',";
if (null != catalog && catalog.length() == 0) {
s += "null 'TABLE_CATALOG' ";
}
else {
s += " CASE WHEN " + schemaName + " IN " + constSchemas + " THEN null ELSE ";
if (null != catalog && catalog.length() != 0) {
s += "'" + catalog + "' ";
}
else
s += " DB_NAME() ";
s += " END 'TABLE_CATALOG' ";
}
s += " from " + schema;
// Handle the case when catalog is empty this means common schemas only
//
if (null != catalog && catalog.length() == 0) {
if (null != schemaPattern)
s += " where " + schemaName + " like ? and ";
else
s += " where ";
s += schemaName + " in " + constSchemas;
}
else if (null != schemaPattern)
s += " where " + schemaName + " like ? ";
s += " order by 2, 1";
if (logger.isLoggable(java.util.logging.Level.FINE)) {
logger.fine(toString() + " schema query (" + s + ")");
}
SQLServerResultSet rs;
if (null == schemaPattern) {
catalog = null;
rs = getResultSetFromInternalQueries(catalog, s);
}
else {
// The prepared statement is not closed after execution.
// Yes we will "leak a server handle" per execution but the connection closure will release them
//
SQLServerPreparedStatement ps = (SQLServerPreparedStatement) connection.prepareStatement(s);
ps.setString(1, schemaPattern);
rs = (SQLServerResultSet) ps.executeQueryInternal();
}
return rs;
}
public java.sql.ResultSet getSchemas(String catalog,
String schemaPattern) throws SQLException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
return getSchemasInternal(catalog, schemaPattern);
}
/* L0 */ public String getSchemaTerm() throws SQLServerException {
checkClosed();
return "schema";
}
/* L0 */ public String getSearchStringEscape() throws SQLServerException {
checkClosed();
return "\\";
}
/* L0 */ public String getSQLKeywords() throws SQLServerException {
checkClosed();
return "BACKUP,BREAK,BROWSE,BULK,CHECKPOINT,CLUSTERED,COMPUTE,CONTAINS,CONTAINSTABLE,DATABASE,DBCC,DENY,DISK,DISTRIBUTED,DUMMY,DUMP,ERRLVL,EXIT,FILE,FILLFACTOR,FREETEXT,FREETEXTTABLE,FUNCTION,HOLDLOCK,IDENTITY_INSERT,IDENTITYCOL,IF,KILL,LINENO,LOAD,NOCHECK,NONCLUSTERED,OFF,OFFSETS,OPENDATASOURCE,OPENQUERY,OPENROWSET,OPENXML,OVER,PERCENT,PLAN,PRINT,PROC,RAISERROR,READTEXT,RECONFIGURE,REPLICATION,RESTORE,RETURN,ROWCOUNT,ROWGUIDCOL,RULE,SAVE,SETUSER,SHUTDOWN,STATISTICS,TEXTSIZE,TOP,TRAN,TRIGGER,TRUNCATE,TSEQUAL,UPDATETEXT,USE,WAITFOR,WHILE,WRITETEXT";
}
/* L0 */ public String getStringFunctions() throws SQLServerException {
checkClosed();
return "ASCII,CHAR,CONCAT, DIFFERENCE,INSERT,LCASE,LEFT,LENGTH,LOCATE,LTRIM,REPEAT,REPLACE,RIGHT,RTRIM,SOUNDEX,SPACE,SUBSTRING,UCASE";
}
/* L0 */ public String getSystemFunctions() throws SQLServerException {
checkClosed();
return "DATABASE,IFNULL,USER"; // The functions no reinstated after the CTS certification.
}
private final static String[] getTablePrivilegesColumnNames = {/* 1 */ TABLE_CAT, /* 2 */ TABLE_SCHEM, /* 3 */ TABLE_NAME, /* 4 */ GRANTOR,
/* 5 */ GRANTEE, /* 6 */ PRIVILEGE, /* 7 */ IS_GRANTABLE};
/* L0 */ public java.sql.ResultSet getTablePrivileges(String catalog,
String schema,
String table) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
table = EscapeIDName(table);
schema = EscapeIDName(schema);
/*
* sp_table_privileges [ @table_name = ] 'table_name' [ , [ @table_owner = ] 'table_owner' ] [ , [ @table_qualifier = ] 'table_qualifier' ] [
* , [@fUsePattern =] 'fUsePattern']
*/
String[] arguments = new String[3];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = catalog;
return getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_TABLE_PRIVILEGES, arguments, getTablePrivilegesColumnNames);
}
/* L0 */ public java.sql.ResultSet getTableTypes() throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
String s = "SELECT 'VIEW' 'TABLE_TYPE' UNION SELECT 'TABLE' UNION SELECT 'SYSTEM TABLE'";
SQLServerResultSet rs = getResultSetFromInternalQueries(null, s);
return rs;
}
/* L0 */ public String getTimeDateFunctions() throws SQLServerException {
checkClosed();
return "CURDATE,CURTIME,DAYNAME,DAYOFMONTH,DAYOFWEEK,DAYOFYEAR,HOUR,MINUTE,MONTH,MONTHNAME,NOW,QUARTER,SECOND,TIMESTAMPADD,TIMESTAMPDIFF,WEEK,YEAR";
}
/* L0 */ public java.sql.ResultSet getTypeInfo() throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
SQLServerResultSet rs;
// We support only sql2k5 and above
if (connection.isKatmaiOrLater())
rs = getResultSetFromInternalQueries(null, "sp_datatype_info_100 @ODBCVer=3");
else
rs = getResultSetFromInternalQueries(null, "sp_datatype_info @ODBCVer=3");
rs.setColumnName(11, "FIXED_PREC_SCALE");
// Hook in a filter on the DATA_TYPE column of the result set we're
// going to return that converts the ODBC values from sp_columns
// into JDBC values.
rs.getColumn(2).setFilter(new DataTypeFilter());
return rs;
}
/* L0 */ public String getURL() throws SQLServerException {
checkClosed();
// Build up the URL with the connection properties do not hand out user ID and password
StringBuilder url = new StringBuilder();
// get the properties collection from the connection.
Properties props = connection.activeConnectionProperties;
DriverPropertyInfo[] info = SQLServerDriver.getPropertyInfoFromProperties(props);
String serverName = null;
String portNumber = null;
String instanceName = null;
// build the connection string without the server name, instance name and port number as these go in the front
int index = info.length;
while (--index >= 0) {
String name = info[index].name;
// making sure no security info is exposed.
if (!name.equals(SQLServerDriverBooleanProperty.INTEGRATED_SECURITY.toString())
&& !name.equals(SQLServerDriverStringProperty.USER.toString()) && !name.equals(SQLServerDriverStringProperty.PASSWORD.toString())
&& !name.equals(SQLServerDriverStringProperty.KEY_STORE_SECRET.toString())) {
String val = info[index].value;
// skip empty strings
if (0 != val.length()) {
// special case these server name, instance name and port number as these go in the front
if (name.equals(SQLServerDriverStringProperty.SERVER_NAME.toString())) {
serverName = val;
}
else if (name.equals(SQLServerDriverStringProperty.INSTANCE_NAME.toString())) {
instanceName = val;
}
else if (name.equals(SQLServerDriverIntProperty.PORT_NUMBER.toString())) {
portNumber = val;
}
else {
// build name value pairs separated by a semi colon
url.append(name);
url.append("=");
url.append(val);
url.append(";");
}
}
}
}
// insert the special items in the front in the reverse order.
// This way we will get the expected form as below.
// MYSERVER\INSTANCEFOO:1433
// port number first, we should always have port number
url.insert(0, ";");
url.insert(0, portNumber);
url.insert(0, ":");
if (null != instanceName) {
url.insert(0, instanceName);
url.insert(0, "\\");
}
url.insert(0, serverName);
url.insert(0, urlprefix); // insert the prefix at the front.
return (url.toString());
}
/* L0 */ public String getUserName() throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
SQLServerStatement s = null;
SQLServerResultSet rs = null;
String result = "";
try {
s = (SQLServerStatement) connection.createStatement();
rs = s.executeQueryInternal("select system_user");
// Select system_user will always return a row.
boolean next = rs.next();
assert next;
result = rs.getString(1);
}
finally {
if (rs != null) {
rs.close();
}
if (s != null) {
s.close();
}
}
return result;
}
private final static String[] getVersionColumnsColumnNames = {/* 1 */ SCOPE, /* 2 */ COLUMN_NAME, /* 3 */ DATA_TYPE, /* 4 */ TYPE_NAME,
/* 5 */ COLUMN_SIZE, /* 6 */ BUFFER_LENGTH, /* 7 */ DECIMAL_DIGITS, /* 8 */ PSEUDO_COLUMN};
/* L0 */ public java.sql.ResultSet getVersionColumns(String catalog,
String schema,
String table) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
/*
* sp_special_columns [@table_name =] 'table_name' [,[@table_owner =] 'table_owner'] [,[@qualifier =] 'qualifier'] [,[@col_type =] 'col_type']
* [,[@scope =] 'scope'] [,[@nullable =] 'nullable'] [,[@ODBCVer =] 'ODBCVer'] ;
*/
String[] arguments = new String[7];
arguments[0] = table;
arguments[1] = schema;
arguments[2] = catalog;
arguments[3] = "V"; // col type
arguments[4] = "T"; // scope
arguments[5] = "U"; // nullable
arguments[6] = "3"; // odbc ver
SQLServerResultSet rs = getResultSetWithProvidedColumnNames(catalog, CallableHandles.SP_SPECIAL_COLUMNS, arguments,
getVersionColumnsColumnNames);
// Hook in a filter on the DATA_TYPE column of the result set we're
// going to return that converts the ODBC values from sp_columns
// into JDBC values.
rs.getColumn(3).setFilter(new DataTypeFilter());
return rs;
}
/* L0 */ public boolean isCatalogAtStart() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean isReadOnly() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean nullPlusNonNullIsNull() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean nullsAreSortedAtEnd() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean nullsAreSortedAtStart() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean nullsAreSortedHigh() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean nullsAreSortedLow() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean storesLowerCaseIdentifiers() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean storesLowerCaseQuotedIdentifiers() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean storesMixedCaseIdentifiers() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean storesMixedCaseQuotedIdentifiers() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean storesUpperCaseIdentifiers() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean storesUpperCaseQuotedIdentifiers() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsAlterTableWithAddColumn() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsAlterTableWithDropColumn() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsANSI92EntryLevelSQL() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsANSI92FullSQL() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsANSI92IntermediateSQL() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsCatalogsInDataManipulation() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsCatalogsInIndexDefinitions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsCatalogsInPrivilegeDefinitions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsCatalogsInProcedureCalls() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsCatalogsInTableDefinitions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsColumnAliasing() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsConvert() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsConvert(int fromType,
int toType) throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsCoreSQLGrammar() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsCorrelatedSubqueries() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsDataDefinitionAndDataManipulationTransactions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsDataManipulationTransactionsOnly() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsDifferentTableCorrelationNames() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsExpressionsInOrderBy() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsExtendedSQLGrammar() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsFullOuterJoins() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsGroupBy() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsGroupByBeyondSelect() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsGroupByUnrelated() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsIntegrityEnhancementFacility() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsLikeEscapeClause() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsLimitedOuterJoins() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsMinimumSQLGrammar() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsMixedCaseIdentifiers() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsMixedCaseQuotedIdentifiers() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsMultipleResultSets() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsMultipleTransactions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsNonNullableColumns() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsOpenCursorsAcrossCommit() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsOpenCursorsAcrossRollback() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsOpenStatementsAcrossCommit() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsOpenStatementsAcrossRollback() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsOrderByUnrelated() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsOuterJoins() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsPositionedDelete() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsPositionedUpdate() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSchemasInDataManipulation() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSchemasInIndexDefinitions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSchemasInPrivilegeDefinitions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSchemasInProcedureCalls() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSchemasInTableDefinitions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSelectForUpdate() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsStoredProcedures() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSubqueriesInComparisons() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSubqueriesInExists() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSubqueriesInIns() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsSubqueriesInQuantifieds() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsTableCorrelationNames() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsTransactionIsolationLevel(int level) throws SQLServerException {
checkClosed();
switch (level) {
case Connection.TRANSACTION_READ_UNCOMMITTED:
case Connection.TRANSACTION_READ_COMMITTED:
case Connection.TRANSACTION_REPEATABLE_READ:
case Connection.TRANSACTION_SERIALIZABLE:
case SQLServerConnection.TRANSACTION_SNAPSHOT:
return true;
}
return false;
}
/* L0 */ public boolean supportsTransactions() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsUnion() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean supportsUnionAll() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public boolean usesLocalFilePerTable() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean usesLocalFiles() throws SQLServerException {
checkClosed();
return false;
}
/* L0 */ public boolean supportsResultSetType(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
switch (type) {
case ResultSet.TYPE_FORWARD_ONLY:
case ResultSet.TYPE_SCROLL_INSENSITIVE:
case ResultSet.TYPE_SCROLL_SENSITIVE:
// case SQLServerResultSet.TYPE_SS_SCROLL_STATIC: insensitive synonym
// case SQLServerResultSet.TYPE_SS_SCROLL_KEYSET: sensitive synonym
case SQLServerResultSet.TYPE_SS_DIRECT_FORWARD_ONLY:
case SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY:
case SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC:
return true;
}
return false;
}
/* L0 */ public boolean supportsResultSetConcurrency(int type,
int concurrency) throws SQLServerException {
checkClosed();
checkResultType(type);
checkConcurrencyType(concurrency);
switch (type) {
case ResultSet.TYPE_FORWARD_ONLY:
case ResultSet.TYPE_SCROLL_SENSITIVE:
// case SQLServerResultSet.TYPE_SS_SCROLL_KEYSET: sensitive synonym
case SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC:
case SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY:
return true;
case ResultSet.TYPE_SCROLL_INSENSITIVE:
// case SQLServerResultSet.TYPE_SS_SCROLL_STATIC: sensitive synonym
case SQLServerResultSet.TYPE_SS_DIRECT_FORWARD_ONLY:
if (ResultSet.CONCUR_READ_ONLY == concurrency)
return true;
else
return false;
}
// per spec if we do not know we do not support.
return false;
}
/* L0 */ public boolean ownUpdatesAreVisible(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (type == SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC || SQLServerResultSet.TYPE_FORWARD_ONLY == type
|| SQLServerResultSet.TYPE_SCROLL_SENSITIVE == type || SQLServerResultSet.TYPE_SS_SCROLL_KEYSET == type
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == type)
return true;
return false;
}
/* L0 */ public boolean ownDeletesAreVisible(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (type == SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC || SQLServerResultSet.TYPE_FORWARD_ONLY == type
|| SQLServerResultSet.TYPE_SCROLL_SENSITIVE == type || SQLServerResultSet.TYPE_SS_SCROLL_KEYSET == type
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == type)
return true;
return false;
}
/* L0 */ public boolean ownInsertsAreVisible(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (type == SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC || SQLServerResultSet.TYPE_FORWARD_ONLY == type
|| SQLServerResultSet.TYPE_SCROLL_SENSITIVE == type || SQLServerResultSet.TYPE_SS_SCROLL_KEYSET == type
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == type)
return true;
return false;
}
/* L0 */ public boolean othersUpdatesAreVisible(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (type == SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC || SQLServerResultSet.TYPE_FORWARD_ONLY == type
|| SQLServerResultSet.TYPE_SCROLL_SENSITIVE == type || SQLServerResultSet.TYPE_SS_SCROLL_KEYSET == type
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == type)
return true;
return false;
}
/* L0 */ public boolean othersDeletesAreVisible(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (type == SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC || SQLServerResultSet.TYPE_FORWARD_ONLY == type
|| SQLServerResultSet.TYPE_SCROLL_SENSITIVE == type || SQLServerResultSet.TYPE_SS_SCROLL_KEYSET == type
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == type)
return true;
return false;
}
/* L0 */ public boolean othersInsertsAreVisible(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (type == SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC || SQLServerResultSet.TYPE_FORWARD_ONLY == type
|| SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY == type)
return true;
return false;
}
/* L0 */ public boolean updatesAreDetected(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
return false;
}
/* L0 */ public boolean deletesAreDetected(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
if (SQLServerResultSet.TYPE_SS_SCROLL_KEYSET == type)
return true;
else
return false;
}
// Check the result types to make sure the user does not pass a bad value.
/* L0 */ private void checkResultType(int type) throws SQLServerException {
switch (type) {
case ResultSet.TYPE_FORWARD_ONLY:
case ResultSet.TYPE_SCROLL_INSENSITIVE:
case ResultSet.TYPE_SCROLL_SENSITIVE:
// case SQLServerResultSet.TYPE_SS_SCROLL_STATIC: synonym TYPE_SCROLL_INSENSITIVE
// case SQLServerResultSet.TYPE_SS_SCROLL_KEYSET: synonym TYPE_SCROLL_SENSITIVE
case SQLServerResultSet.TYPE_SS_DIRECT_FORWARD_ONLY:
case SQLServerResultSet.TYPE_SS_SERVER_CURSOR_FORWARD_ONLY:
case SQLServerResultSet.TYPE_SS_SCROLL_DYNAMIC:
return;
}
// if the value is outside of the valid values throw error.
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidArgument"));
Object[] msgArgs = {new Integer(type)};
throw new SQLServerException(null, form.format(msgArgs), null, 0, true);
}
// Check the concurrency values and make sure the value is a supported value.
/* L0 */ private void checkConcurrencyType(int type) throws SQLServerException {
switch (type) {
case ResultSet.CONCUR_READ_ONLY:
case ResultSet.CONCUR_UPDATABLE:
// case SQLServerResultSet.CONCUR_SS_OPTIMISTIC_CC: synonym CONCUR_UPDATABLE
case SQLServerResultSet.CONCUR_SS_SCROLL_LOCKS:
case SQLServerResultSet.CONCUR_SS_OPTIMISTIC_CCVAL:
return;
}
// if the value is outside of the valid values throw error.
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidArgument"));
Object[] msgArgs = {new Integer(type)};
throw new SQLServerException(null, form.format(msgArgs), null, 0, true);
}
/* L0 */ public boolean insertsAreDetected(int type) throws SQLServerException {
checkClosed();
checkResultType(type);
return false;
}
/* L0 */ public boolean supportsBatchUpdates() throws SQLServerException {
checkClosed();
return true;
}
/* L0 */ public java.sql.ResultSet getUDTs(String catalog,
String schemaPattern,
String typeNamePattern,
int[] types) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
return getResultSetFromInternalQueries(catalog, "SELECT" +
/* 1 */ " cast(NULL as char(1)) as TYPE_CAT," +
/* 2 */ " cast(NULL as char(1)) as TYPE_SCHEM," +
/* 3 */ " cast(NULL as char(1)) as TYPE_NAME," +
/* 4 */ " cast(NULL as char(1)) as CLASS_NAME," +
/* 5 */ " cast(0 as int) as DATA_TYPE," +
/* 6 */ " cast(NULL as char(1)) as REMARKS," +
/* 7 */ " cast(0 as smallint) as BASE_TYPE" + " where 0 = 1");
}
/* L0 */ public java.sql.Connection getConnection() throws SQLServerException {
checkClosed();
return connection.getConnection();
}
/* JDBC 3.0 */
/* L3 */ public int getSQLStateType() throws SQLServerException {
checkClosed();
if (connection != null && connection.xopenStates)
return sqlStateXOpen;
else
return sqlStateSQL99;
}
/* L3 */ public int getDatabaseMajorVersion() throws SQLServerException {
checkClosed();
String s = connection.sqlServerVersion;
int p = s.indexOf('.');
if (p > 0)
s = s.substring(0, p);
try {
return new Integer(s).intValue();
}
catch (NumberFormatException e) {
return 0;
}
}
/* L3 */ public int getDatabaseMinorVersion() throws SQLServerException {
checkClosed();
String s = connection.sqlServerVersion;
int p = s.indexOf('.');
int q = s.indexOf('.', p + 1);
if (p > 0 && q > 0)
s = s.substring(p + 1, q);
try {
return new Integer(s).intValue();
}
catch (NumberFormatException e) {
return 0;
}
}
/* L3 */ public int getJDBCMajorVersion() throws SQLServerException {
checkClosed();
return DriverJDBCVersion.major;
}
/* L3 */ public int getJDBCMinorVersion() throws SQLServerException {
checkClosed();
return DriverJDBCVersion.minor;
}
/* L3 */ public int getResultSetHoldability() throws SQLServerException {
checkClosed();
return ResultSet.HOLD_CURSORS_OVER_COMMIT; // Hold over commit is the default for SQL Server
}
public RowIdLifetime getRowIdLifetime() throws SQLException {
checkClosed();
return RowIdLifetime.ROWID_UNSUPPORTED;
}
/* L3 */ public boolean supportsResultSetHoldability(int holdability) throws SQLServerException {
checkClosed();
if (ResultSet.HOLD_CURSORS_OVER_COMMIT == holdability || ResultSet.CLOSE_CURSORS_AT_COMMIT == holdability) {
return true; // supported one a per connection level only, not statement by statement
}
// if the value is outside of the valid values throw error.
MessageFormat form = new MessageFormat(SQLServerException.getErrString("R_invalidArgument"));
Object[] msgArgs = {new Integer(holdability)};
throw new SQLServerException(null, form.format(msgArgs), null, 0, true);
}
/* L3 */ public ResultSet getAttributes(String catalog,
String schemaPattern,
String typeNamePattern,
String attributeNamePattern) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
return getResultSetFromInternalQueries(catalog, "SELECT" +
/* 1 */ " cast(NULL as char(1)) as TYPE_CAT," +
/* 2 */ " cast(NULL as char(1)) as TYPE_SCHEM," +
/* 3 */ " cast(NULL as char(1)) as TYPE_NAME," +
/* 4 */ " cast(NULL as char(1)) as ATTR_NAME," +
/* 5 */ " cast(0 as int) as DATA_TYPE," +
/* 6 */ " cast(NULL as char(1)) as ATTR_TYPE_NAME," +
/* 7 */ " cast(0 as int) as ATTR_SIZE," +
/* 8 */ " cast(0 as int) as DECIMAL_DIGITS," +
/* 9 */ " cast(0 as int) as NUM_PREC_RADIX," +
/* 10 */ " cast(0 as int) as NULLABLE," +
/* 11 */ " cast(NULL as char(1)) as REMARKS," +
/* 12 */ " cast(NULL as char(1)) as ATTR_DEF," +
/* 13 */ " cast(0 as int) as SQL_DATA_TYPE," +
/* 14 */ " cast(0 as int) as SQL_DATETIME_SUB," +
/* 15 */ " cast(0 as int) as CHAR_OCTET_LENGTH," +
/* 16 */ " cast(0 as int) as ORDINAL_POSITION," +
/* 17 */ " cast(NULL as char(1)) as IS_NULLABLE," +
/* 18 */ " cast(NULL as char(1)) as SCOPE_CATALOG," +
/* 19 */ " cast(NULL as char(1)) as SCOPE_SCHEMA," +
/* 20 */ " cast(NULL as char(1)) as SCOPE_TABLE," +
/* 21 */ " cast(0 as smallint) as SOURCE_DATA_TYPE" + " where 0 = 1");
}
/* L3 */ public ResultSet getSuperTables(String catalog,
String schemaPattern,
String tableNamePattern) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
return getResultSetFromInternalQueries(catalog, "SELECT" +
/* 1 */ " cast(NULL as char(1)) as TYPE_CAT," +
/* 2 */ " cast(NULL as char(1)) as TYPE_SCHEM," +
/* 3 */ " cast(NULL as char(1)) as TYPE_NAME," +
/* 4 */ " cast(NULL as char(1)) as SUPERTABLE_NAME" + " where 0 = 1");
}
/* L3 */ public ResultSet getSuperTypes(String catalog,
String schemaPattern,
String typeNamePattern) throws SQLServerException {
if (loggerExternal.isLoggable(Level.FINER) && Util.IsActivityTraceOn()) {
loggerExternal.finer(toString() + " ActivityId: " + ActivityCorrelator.getNext().toString());
}
checkClosed();
return getResultSetFromInternalQueries(catalog, "SELECT" +
/* 1 */ " cast(NULL as char(1)) as TYPE_CAT," +
/* 2 */ " cast(NULL as char(1)) as TYPE_SCHEM," +
/* 3 */ " cast(NULL as char(1)) as TYPE_NAME," +
/* 4 */ " cast(NULL as char(1)) as SUPERTYPE_CAT," +
/* 5 */ " cast(NULL as char(1)) as SUPERTYPE_SCHEM," +
/* 6 */ " cast(NULL as char(1)) as SUPERTYPE_NAME" + " where 0 = 1");
}
/* L3 */ public boolean supportsGetGeneratedKeys() throws SQLServerException {
checkClosed();
return true;
}
/* L3 */ public boolean supportsMultipleOpenResults() throws SQLServerException {
checkClosed();
return false;
}
/* L3 */ public boolean supportsNamedParameters() throws SQLServerException {
checkClosed();
return true;
}
/* L3 */ public boolean supportsSavepoints() throws SQLServerException {
checkClosed();
return true;
}
/* L3 */ public boolean supportsStatementPooling() throws SQLException {
checkClosed();
return false;
}
public boolean supportsStoredFunctionsUsingCallSyntax() throws SQLException {
checkClosed();
return true;
}
/* L3 */ public boolean locatorsUpdateCopy() throws SQLException {
checkClosed();
return true;
}
}
// Filter to convert DATA_TYPE column values from the ODBC types
// returned by SQL Server to their equivalent JDBC types.
final class DataTypeFilter extends IntColumnFilter {
private final static int ODBC_SQL_GUID = -11;
private final static int ODBC_SQL_WCHAR = -8;
private final static int ODBC_SQL_WVARCHAR = -9;
private final static int ODBC_SQL_WLONGVARCHAR = -10;
private final static int ODBC_SQL_FLOAT = 6;
private final static int ODBC_SQL_TIME = -154;
private final static int ODBC_SQL_XML = -152;
private final static int ODBC_SQL_UDT = -151;
int oneValueToAnother(int odbcType) {
switch (odbcType) {
case ODBC_SQL_FLOAT:
return JDBCType.DOUBLE.asJavaSqlType();
case ODBC_SQL_GUID:
return JDBCType.CHAR.asJavaSqlType();
case ODBC_SQL_WCHAR:
return JDBCType.NCHAR.asJavaSqlType();
case ODBC_SQL_WVARCHAR:
return JDBCType.NVARCHAR.asJavaSqlType();
case ODBC_SQL_WLONGVARCHAR:
return JDBCType.LONGNVARCHAR.asJavaSqlType();
case ODBC_SQL_TIME:
return JDBCType.TIME.asJavaSqlType();
case ODBC_SQL_XML:
return SSType.XML.getJDBCType().asJavaSqlType();
case ODBC_SQL_UDT:
return SSType.UDT.getJDBCType().asJavaSqlType();
default:
return odbcType;
}
}
}
class ZeroFixupFilter extends IntColumnFilter {
int oneValueToAnother(int precl) {
if (0 == precl)
return DataTypes.MAX_VARTYPE_MAX_BYTES;
else
return precl;
}
}
// abstract class converts one value to another solely based on the column integer value
// apply to integer columns only
abstract class IntColumnFilter extends ColumnFilter {
abstract int oneValueToAnother(int value);
final Object apply(Object value,
JDBCType asJDBCType) throws SQLServerException {
if (value == null)
return value;
// Assumption: values will only be requested in integral or textual format
// (i.e. not as float, double, BigDecimal, Boolean or bytes). A request to return
// a value as anything else results in an exception being thrown.
switch (asJDBCType) {
case INTEGER:
return new Integer(oneValueToAnother(((Integer) value).intValue()));
case SMALLINT: // small and tinyint returned as short
case TINYINT:
return new Short((short) oneValueToAnother(((Short) value).intValue()));
case BIGINT:
return new Long(oneValueToAnother(((Long) value).intValue()));
case CHAR:
case VARCHAR:
case LONGVARCHAR:
return Integer.toString(oneValueToAnother(Integer.parseInt((String) value)));
default:
DataTypes.throwConversionError("int", asJDBCType.toString());
return value;
}
}
}
// Filter to convert int identity column values from 0,1 to YES, NO
// There is a mismatch between what the stored proc returns and what the
// JDBC spec expects.
class IntColumnIdentityFilter extends ColumnFilter {
private static String zeroOneToYesNo(int i) {
return 0 == i ? "NO" : "YES";
}
final Object apply(Object value,
JDBCType asJDBCType) throws SQLServerException {
if (value == null)
return value;
// Assumption: values will only be requested in integral or textual format
// (i.e. not as float, double, BigDecimal, Boolean or bytes). A request to return
// a value as anything else results in an exception being thrown.
switch (asJDBCType) {
case INTEGER:
case SMALLINT:
// This is a way for us to make getObject return a string, not an
// integer. What this means is that getInt/getShort also will return a string.
// However the identity column in the JDBC spec is supposed to return a
// string by default. To get to that default behavior right we are deliberately breaking
// the getInt/getShort behavior which should really error anyways. Only thing is that
// the user will get a cast exception in this case.
assert (value instanceof Number);
return zeroOneToYesNo(((Number) value).intValue());
case CHAR:
case VARCHAR:
case LONGVARCHAR:
assert (value instanceof String);
return zeroOneToYesNo(Integer.parseInt((String) value));
default:
DataTypes.throwConversionError("char", asJDBCType.toString());
return value;
}
}
}