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org.h2.jdbc.JdbcPreparedStatement Maven / Gradle / Ivy
/*
* Copyright 2004-2014 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.jdbc;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import org.h2.api.ErrorCode;
import org.h2.command.CommandInterface;
import org.h2.expression.ParameterInterface;
import org.h2.message.DbException;
import org.h2.message.TraceObject;
import org.h2.result.ResultInterface;
import org.h2.tools.SimpleResultSet;
import org.h2.util.DateTimeUtils;
import org.h2.util.IOUtils;
import org.h2.util.New;
import org.h2.value.DataType;
import org.h2.value.Value;
import org.h2.value.ValueBoolean;
import org.h2.value.ValueByte;
import org.h2.value.ValueBytes;
import org.h2.value.ValueDate;
import org.h2.value.ValueDecimal;
import org.h2.value.ValueDouble;
import org.h2.value.ValueFloat;
import org.h2.value.ValueInt;
import org.h2.value.ValueLong;
import org.h2.value.ValueNull;
import org.h2.value.ValueShort;
import org.h2.value.ValueString;
import org.h2.value.ValueTime;
import org.h2.value.ValueTimestamp;
/**
* Represents a prepared statement.
*/
public class JdbcPreparedStatement extends JdbcStatement implements
PreparedStatement {
protected CommandInterface command;
private final String sqlStatement;
private ArrayList batchParameters;
private ArrayList batchIdentities;
private HashMap cachedColumnLabelMap;
JdbcPreparedStatement(JdbcConnection conn, String sql, int id,
int resultSetType, int resultSetConcurrency,
boolean closeWithResultSet) {
super(conn, id, resultSetType, resultSetConcurrency, closeWithResultSet);
setTrace(session.getTrace(), TraceObject.PREPARED_STATEMENT, id);
this.sqlStatement = sql;
command = conn.prepareCommand(sql, fetchSize);
}
/**
* Cache the column labels (looking up the column index can sometimes show
* up on the performance profile).
*
* @param cachedColumnLabelMap the column map
*/
void setCachedColumnLabelMap(HashMap cachedColumnLabelMap) {
this.cachedColumnLabelMap = cachedColumnLabelMap;
}
/**
* Executes a query (select statement) and returns the result set. If
* another result set exists for this statement, this will be closed (even
* if this statement fails).
*
* @return the result set
* @throws SQLException if this object is closed or invalid
*/
@Override
public ResultSet executeQuery() throws SQLException {
try {
int id = getNextId(TraceObject.RESULT_SET);
if (isDebugEnabled()) {
debugCodeAssign("ResultSet", TraceObject.RESULT_SET, id, "executeQuery()");
}
batchIdentities = null;
synchronized (session) {
checkClosed();
closeOldResultSet();
ResultInterface result;
boolean lazy = false;
boolean scrollable = resultSetType != ResultSet.TYPE_FORWARD_ONLY;
boolean updatable = resultSetConcurrency == ResultSet.CONCUR_UPDATABLE;
try {
setExecutingStatement(command);
result = command.executeQuery(maxRows, scrollable);
lazy = result.isLazy();
} finally {
if (!lazy) {
setExecutingStatement(null);
}
}
resultSet = new JdbcResultSet(conn, this, command, result, id,
closedByResultSet, scrollable, updatable, cachedColumnLabelMap);
}
return resultSet;
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Executes a statement (insert, update, delete, create, drop)
* and returns the update count.
* If another result set exists for this statement, this will be closed
* (even if this statement fails).
*
* If auto commit is on, this statement will be committed.
* If the statement is a DDL statement (create, drop, alter) and does not
* throw an exception, the current transaction (if any) is committed after
* executing the statement.
*
* @return the update count (number of row affected by an insert, update or
* delete, or 0 if no rows or the statement was a create, drop,
* commit or rollback)
* @throws SQLException if this object is closed or invalid
*/
@Override
public int executeUpdate() throws SQLException {
try {
debugCodeCall("executeUpdate");
checkClosedForWrite();
batchIdentities = null;
try {
return executeUpdateInternal();
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
private int executeUpdateInternal() throws SQLException {
closeOldResultSet();
synchronized (session) {
try {
setExecutingStatement(command);
updateCount = command.executeUpdate();
} finally {
setExecutingStatement(null);
}
}
return updateCount;
}
/**
* Executes an arbitrary statement. If another result set exists for this
* statement, this will be closed (even if this statement fails). If auto
* commit is on, and the statement is not a select, this statement will be
* committed.
*
* @return true if a result set is available, false if not
* @throws SQLException if this object is closed or invalid
*/
@Override
public boolean execute() throws SQLException {
try {
int id = getNextId(TraceObject.RESULT_SET);
if (isDebugEnabled()) {
debugCodeCall("execute");
}
checkClosedForWrite();
try {
boolean returnsResultSet;
synchronized (conn.getSession()) {
closeOldResultSet();
boolean lazy = false;
try {
setExecutingStatement(command);
if (command.isQuery()) {
returnsResultSet = true;
boolean scrollable = resultSetType != ResultSet.TYPE_FORWARD_ONLY;
boolean updatable = resultSetConcurrency == ResultSet.CONCUR_UPDATABLE;
ResultInterface result = command.executeQuery(maxRows, scrollable);
lazy = result.isLazy();
resultSet = new JdbcResultSet(conn, this, command, result,
id, closedByResultSet, scrollable,
updatable, cachedColumnLabelMap);
} else {
returnsResultSet = false;
updateCount = command.executeUpdate();
}
} finally {
if (!lazy) {
setExecutingStatement(null);
}
}
}
return returnsResultSet;
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Clears all parameters.
*
* @throws SQLException if this object is closed or invalid
*/
@Override
public void clearParameters() throws SQLException {
try {
debugCodeCall("clearParameters");
checkClosed();
ArrayList parameters = command.getParameters();
for (int i = 0, size = parameters.size(); i < size; i++) {
ParameterInterface param = parameters.get(i);
// can only delete old temp files if they are not in the batch
param.setValue(null, batchParameters == null);
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @throws SQLException Unsupported Feature
*/
@Override
public ResultSet executeQuery(String sql) throws SQLException {
try {
debugCodeCall("executeQuery", sql);
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @throws SQLException Unsupported Feature
*/
@Override
public void addBatch(String sql) throws SQLException {
try {
debugCodeCall("addBatch", sql);
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @throws SQLException Unsupported Feature
*/
@Override
public int executeUpdate(String sql) throws SQLException {
try {
debugCodeCall("executeUpdate", sql);
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @throws SQLException Unsupported Feature
*/
@Override
public boolean execute(String sql) throws SQLException {
try {
debugCodeCall("execute", sql);
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
// =============================================================
/**
* Sets a parameter to null.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param sqlType the data type (Types.x)
* @throws SQLException if this object is closed
*/
@Override
public void setNull(int parameterIndex, int sqlType) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNull("+parameterIndex+", "+sqlType+");");
}
setParameter(parameterIndex, ValueNull.INSTANCE);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setInt(int parameterIndex, int x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setInt("+parameterIndex+", "+x+");");
}
setParameter(parameterIndex, ValueInt.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setString(int parameterIndex, String x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setString("+parameterIndex+", "+quote(x)+");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueString.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setBigDecimal(int parameterIndex, BigDecimal x)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBigDecimal("+parameterIndex+", " + quoteBigDecimal(x) + ");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueDecimal.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setDate(int parameterIndex, java.sql.Date x)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setDate("+parameterIndex+", " + quoteDate(x) + ");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueDate.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setTime(int parameterIndex, java.sql.Time x)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setTime("+parameterIndex+", " + quoteTime(x) + ");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueTime.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setTimestamp(int parameterIndex, java.sql.Timestamp x)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setTimestamp("+parameterIndex+", " + quoteTimestamp(x) + ");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueTimestamp.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
* Objects of unknown classes are serialized (on the client side).
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setObject(int parameterIndex, Object x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setObject("+parameterIndex+", x);");
}
if (x == null) {
// throw Errors.getInvalidValueException("null", "x");
setParameter(parameterIndex, ValueNull.INSTANCE);
} else {
setParameter(parameterIndex,
DataType.convertToValue(session, x, Value.UNKNOWN));
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter. The object is converted, if required, to
* the specified data type before sending to the database.
* Objects of unknown classes are serialized (on the client side).
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value, null is allowed
* @param targetSqlType the type as defined in java.sql.Types
* @throws SQLException if this object is closed
*/
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setObject("+parameterIndex+", x, "+targetSqlType+");");
}
int type = DataType.convertSQLTypeToValueType(targetSqlType);
if (x == null) {
setParameter(parameterIndex, ValueNull.INSTANCE);
} else {
Value v = DataType.convertToValue(conn.getSession(), x, type);
setParameter(parameterIndex, v.convertTo(type));
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter. The object is converted, if required, to
* the specified data type before sending to the database.
* Objects of unknown classes are serialized (on the client side).
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value, null is allowed
* @param targetSqlType the type as defined in java.sql.Types
* @param scale is ignored
* @throws SQLException if this object is closed
*/
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType,
int scale) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setObject("+parameterIndex+", x, "+targetSqlType+", "+scale+");");
}
setObject(parameterIndex, x, targetSqlType);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setBoolean(int parameterIndex, boolean x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBoolean("+parameterIndex+", "+x+");");
}
setParameter(parameterIndex, ValueBoolean.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setByte(int parameterIndex, byte x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setByte("+parameterIndex+", "+x+");");
}
setParameter(parameterIndex, ValueByte.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setShort(int parameterIndex, short x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setShort("+parameterIndex+", (short) "+x+");");
}
setParameter(parameterIndex, ValueShort.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setLong(int parameterIndex, long x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setLong("+parameterIndex+", "+x+"L);");
}
setParameter(parameterIndex, ValueLong.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setFloat(int parameterIndex, float x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setFloat("+parameterIndex+", "+x+"f);");
}
setParameter(parameterIndex, ValueFloat.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setDouble(int parameterIndex, double x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setDouble("+parameterIndex+", "+x+"d);");
}
setParameter(parameterIndex, ValueDouble.get(x));
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* [Not supported] Sets the value of a column as a reference.
*/
@Override
public void setRef(int parameterIndex, Ref x) throws SQLException {
throw unsupported("ref");
}
/**
* Sets the date using a specified time zone. The value will be converted to
* the local time zone.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param calendar the calendar
* @throws SQLException if this object is closed
*/
@Override
public void setDate(int parameterIndex, java.sql.Date x, Calendar calendar)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setDate("+parameterIndex+", " + quoteDate(x) + ", calendar);");
}
if (x == null) {
setParameter(parameterIndex, ValueNull.INSTANCE);
} else {
setParameter(parameterIndex, DateTimeUtils.convertDate(x, calendar));
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the time using a specified time zone. The value will be converted to
* the local time zone.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param calendar the calendar
* @throws SQLException if this object is closed
*/
@Override
public void setTime(int parameterIndex, java.sql.Time x, Calendar calendar)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setTime("+parameterIndex+", " + quoteTime(x) + ", calendar);");
}
if (x == null) {
setParameter(parameterIndex, ValueNull.INSTANCE);
} else {
setParameter(parameterIndex, DateTimeUtils.convertTime(x, calendar));
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the timestamp using a specified time zone. The value will be
* converted to the local time zone.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param calendar the calendar
* @throws SQLException if this object is closed
*/
@Override
public void setTimestamp(int parameterIndex, java.sql.Timestamp x,
Calendar calendar) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setTimestamp(" + parameterIndex + ", " +
quoteTimestamp(x) + ", calendar);");
}
if (x == null) {
setParameter(parameterIndex, ValueNull.INSTANCE);
} else {
setParameter(parameterIndex, DateTimeUtils.convertTimestamp(x, calendar));
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* [Not supported] This feature is deprecated and not supported.
*
* @deprecated since JDBC 2.0, use setCharacterStream
*/
@Deprecated
@Override
public void setUnicodeStream(int parameterIndex, InputStream x, int length)
throws SQLException {
throw unsupported("unicodeStream");
}
/**
* Sets a parameter to null.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param sqlType the data type (Types.x)
* @param typeName this parameter is ignored
* @throws SQLException if this object is closed
*/
@Override
public void setNull(int parameterIndex, int sqlType, String typeName)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNull("+parameterIndex+", "+sqlType+", "+quote(typeName)+");");
}
setNull(parameterIndex, sqlType);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Blob.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setBlob(int parameterIndex, Blob x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBlob("+parameterIndex+", x);");
}
checkClosedForWrite();
try {
Value v;
if (x == null) {
v = ValueNull.INSTANCE;
} else {
v = conn.createBlob(x.getBinaryStream(), -1);
}
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Blob.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setBlob(int parameterIndex, InputStream x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBlob("+parameterIndex+", x);");
}
checkClosedForWrite();
try {
Value v = conn.createBlob(x, -1);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Clob.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setClob(int parameterIndex, Clob x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setClob("+parameterIndex+", x);");
}
checkClosedForWrite();
try {
Value v;
if (x == null) {
v = ValueNull.INSTANCE;
} else {
v = conn.createClob(x.getCharacterStream(), -1);
}
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Clob.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setClob(int parameterIndex, Reader x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setClob("+parameterIndex+", x);");
}
checkClosedForWrite();
try {
Value v;
if (x == null) {
v = ValueNull.INSTANCE;
} else {
v = conn.createClob(x, -1);
}
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as an Array.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setArray(int parameterIndex, Array x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setArray("+parameterIndex+", x);");
}
checkClosed();
Value v;
if (x == null) {
v = ValueNull.INSTANCE;
} else {
v = DataType.convertToValue(session, x.getArray(), Value.ARRAY);
}
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a byte array.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setBytes(int parameterIndex, byte[] x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBytes("+parameterIndex+", "+quoteBytes(x)+");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueBytes.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as an input stream.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of bytes
* @throws SQLException if this object is closed
*/
@Override
public void setBinaryStream(int parameterIndex, InputStream x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBinaryStream("+parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createBlob(x, length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as an input stream.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of bytes
* @throws SQLException if this object is closed
*/
@Override
public void setBinaryStream(int parameterIndex, InputStream x, int length)
throws SQLException {
setBinaryStream(parameterIndex, x, (long) length);
}
/**
* Sets the value of a parameter as an input stream.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setBinaryStream(int parameterIndex, InputStream x)
throws SQLException {
setBinaryStream(parameterIndex, x, -1);
}
/**
* Sets the value of a parameter as an ASCII stream.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of bytes
* @throws SQLException if this object is closed
*/
@Override
public void setAsciiStream(int parameterIndex, InputStream x, int length)
throws SQLException {
setAsciiStream(parameterIndex, x, (long) length);
}
/**
* Sets the value of a parameter as an ASCII stream.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of bytes
* @throws SQLException if this object is closed
*/
@Override
public void setAsciiStream(int parameterIndex, InputStream x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setAsciiStream("+parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createClob(IOUtils.getAsciiReader(x), length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as an ASCII stream.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setAsciiStream(int parameterIndex, InputStream x)
throws SQLException {
setAsciiStream(parameterIndex, x, -1);
}
/**
* Sets the value of a parameter as a character stream.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of characters
* @throws SQLException if this object is closed
*/
@Override
public void setCharacterStream(int parameterIndex, Reader x, int length)
throws SQLException {
setCharacterStream(parameterIndex, x, (long) length);
}
/**
* Sets the value of a parameter as a character stream.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setCharacterStream(int parameterIndex, Reader x)
throws SQLException {
setCharacterStream(parameterIndex, x, -1);
}
/**
* Sets the value of a parameter as a character stream.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of characters
* @throws SQLException if this object is closed
*/
@Override
public void setCharacterStream(int parameterIndex, Reader x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setCharacterStream("+parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createClob(x, length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* [Not supported]
*/
@Override
public void setURL(int parameterIndex, URL x) throws SQLException {
throw unsupported("url");
}
/**
* Gets the result set metadata of the query returned when the statement is
* executed. If this is not a query, this method returns null.
*
* @return the meta data or null if this is not a query
* @throws SQLException if this object is closed
*/
@Override
public ResultSetMetaData getMetaData() throws SQLException {
try {
debugCodeCall("getMetaData");
checkClosed();
ResultInterface result = command.getMetaData();
if (result == null) {
return null;
}
int id = getNextId(TraceObject.RESULT_SET_META_DATA);
if (isDebugEnabled()) {
debugCodeAssign("ResultSetMetaData",
TraceObject.RESULT_SET_META_DATA, id, "getMetaData()");
}
String catalog = conn.getCatalog();
JdbcResultSetMetaData meta = new JdbcResultSetMetaData(
null, this, result, catalog, session.getTrace(), id);
return meta;
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Clears the batch.
*/
@Override
public void clearBatch() throws SQLException {
try {
debugCodeCall("clearBatch");
checkClosed();
batchParameters = null;
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Closes this statement.
* All result sets that where created by this statement
* become invalid after calling this method.
*/
@Override
public void close() throws SQLException {
try {
super.close();
batchParameters = null;
if (command != null) {
command.close();
command = null;
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Executes the batch.
* If one of the batched statements fails, this database will continue.
*
* @return the array of update counts
*/
@Override
public int[] executeBatch() throws SQLException {
try {
int id = getNextId(TraceObject.PREPARED_STATEMENT);
debugCodeCall("executeBatch");
if (batchParameters == null) {
// TODO batch: check what other database do if no parameters are
// set
batchParameters = New.arrayList();
}
batchIdentities = New.arrayList();
int size = batchParameters.size();
int[] result = new int[size];
boolean error = false;
SQLException next = null;
checkClosedForWrite();
try {
for (int i = 0; i < size; i++) {
Value[] set = batchParameters.get(i);
ArrayList parameters =
command.getParameters();
for (int j = 0; j < set.length; j++) {
Value value = set[j];
ParameterInterface param = parameters.get(j);
param.setValue(value, false);
}
try {
result[i] = executeUpdateInternal();
ResultSet rs = conn.getGeneratedKeys(this, id);
while (rs.next()) {
batchIdentities.add(rs.getObject(1));
}
} catch (Exception re) {
SQLException e = logAndConvert(re);
if (next == null) {
next = e;
} else {
e.setNextException(next);
next = e;
}
result[i] = Statement.EXECUTE_FAILED;
error = true;
}
}
batchParameters = null;
if (error) {
JdbcBatchUpdateException e = new JdbcBatchUpdateException(next, result);
throw e;
}
return result;
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
@Override
public ResultSet getGeneratedKeys() throws SQLException {
if (batchIdentities != null && !batchIdentities.isEmpty()) {
SimpleResultSet rs = new SimpleResultSet();
rs.addColumn("identity", java.sql.Types.INTEGER,
10, 0);
for (Object o : batchIdentities) {
rs.addRow(o);
}
return rs;
}
return super.getGeneratedKeys();
}
/**
* Adds the current settings to the batch.
*/
@Override
public void addBatch() throws SQLException {
try {
debugCodeCall("addBatch");
checkClosedForWrite();
try {
ArrayList parameters =
command.getParameters();
int size = parameters.size();
Value[] set = new Value[size];
for (int i = 0; i < size; i++) {
ParameterInterface param = parameters.get(i);
Value value = param.getParamValue();
set[i] = value;
}
if (batchParameters == null) {
batchParameters = New.arrayList();
}
batchParameters.add(set);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @param autoGeneratedKeys ignored
* @throws SQLException Unsupported Feature
*/
@Override
public int executeUpdate(String sql, int autoGeneratedKeys)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("executeUpdate("+quote(sql)+", "+autoGeneratedKeys+");");
}
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @param columnIndexes ignored
* @throws SQLException Unsupported Feature
*/
@Override
public int executeUpdate(String sql, int[] columnIndexes)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("executeUpdate(" + quote(sql) + ", " +
quoteIntArray(columnIndexes) + ");");
}
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @param columnNames ignored
* @throws SQLException Unsupported Feature
*/
@Override
public int executeUpdate(String sql, String[] columnNames)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("executeUpdate(" + quote(sql) + ", " +
quoteArray(columnNames) + ");");
}
throw DbException.get(
ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @param autoGeneratedKeys ignored
* @throws SQLException Unsupported Feature
*/
@Override
public boolean execute(String sql, int autoGeneratedKeys)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("execute(" + quote(sql) + ", " + autoGeneratedKeys + ");");
}
throw DbException.get(
ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @param columnIndexes ignored
* @throws SQLException Unsupported Feature
*/
@Override
public boolean execute(String sql, int[] columnIndexes) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("execute(" + quote(sql) + ", " + quoteIntArray(columnIndexes) + ");");
}
throw DbException.get(ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Calling this method is not legal on a PreparedStatement.
*
* @param sql ignored
* @param columnNames ignored
* @throws SQLException Unsupported Feature
*/
@Override
public boolean execute(String sql, String[] columnNames)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("execute(" + quote(sql) + ", " + quoteArray(columnNames) + ");");
}
throw DbException.get(
ErrorCode.METHOD_NOT_ALLOWED_FOR_PREPARED_STATEMENT);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Get the parameter meta data of this prepared statement.
*
* @return the meta data
*/
@Override
public ParameterMetaData getParameterMetaData() throws SQLException {
try {
int id = getNextId(TraceObject.PARAMETER_META_DATA);
if (isDebugEnabled()) {
debugCodeAssign("ParameterMetaData",
TraceObject.PARAMETER_META_DATA, id, "getParameterMetaData()");
}
checkClosed();
JdbcParameterMetaData meta = new JdbcParameterMetaData(
session.getTrace(), this, command, id);
return meta;
} catch (Exception e) {
throw logAndConvert(e);
}
}
// =============================================================
private void setParameter(int parameterIndex, Value value) {
checkClosed();
parameterIndex--;
ArrayList parameters = command.getParameters();
if (parameterIndex < 0 || parameterIndex >= parameters.size()) {
throw DbException.getInvalidValueException("parameterIndex",
parameterIndex + 1);
}
ParameterInterface param = parameters.get(parameterIndex);
// can only delete old temp files if they are not in the batch
param.setValue(value, batchParameters == null);
}
/**
* [Not supported] Sets the value of a parameter as a row id.
*/
@Override
public void setRowId(int parameterIndex, RowId x) throws SQLException {
throw unsupported("rowId");
}
/**
* Sets the value of a parameter.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setNString(int parameterIndex, String x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNString("+parameterIndex+", "+quote(x)+");");
}
Value v = x == null ? (Value) ValueNull.INSTANCE : ValueString.get(x);
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a character stream.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of characters
* @throws SQLException if this object is closed
*/
@Override
public void setNCharacterStream(int parameterIndex, Reader x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNCharacterStream("+
parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createClob(x, length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a character stream.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setNCharacterStream(int parameterIndex, Reader x)
throws SQLException {
setNCharacterStream(parameterIndex, x, -1);
}
/**
* Sets the value of a parameter as a Clob.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setNClob(int parameterIndex, NClob x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNClob("+parameterIndex+", x);");
}
checkClosedForWrite();
Value v;
if (x == null) {
v = ValueNull.INSTANCE;
} else {
v = conn.createClob(x.getCharacterStream(), -1);
}
setParameter(parameterIndex, v);
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Clob.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @throws SQLException if this object is closed
*/
@Override
public void setNClob(int parameterIndex, Reader x) throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNClob("+parameterIndex+", x);");
}
checkClosedForWrite();
try {
Value v = conn.createClob(x, -1);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Clob. This method does not close the
* reader. The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of characters
* @throws SQLException if this object is closed
*/
@Override
public void setClob(int parameterIndex, Reader x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setClob("+parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createClob(x, length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Blob.
* This method does not close the stream.
* The stream may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of bytes
* @throws SQLException if this object is closed
*/
@Override
public void setBlob(int parameterIndex, InputStream x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setBlob("+parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createBlob(x, length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* Sets the value of a parameter as a Clob.
* This method does not close the reader.
* The reader may be closed after executing the statement.
*
* @param parameterIndex the parameter index (1, 2, ...)
* @param x the value
* @param length the maximum number of characters
* @throws SQLException if this object is closed
*/
@Override
public void setNClob(int parameterIndex, Reader x, long length)
throws SQLException {
try {
if (isDebugEnabled()) {
debugCode("setNClob("+parameterIndex+", x, "+length+"L);");
}
checkClosedForWrite();
try {
Value v = conn.createClob(x, length);
setParameter(parameterIndex, v);
} finally {
afterWriting();
}
} catch (Exception e) {
throw logAndConvert(e);
}
}
/**
* [Not supported] Sets the value of a parameter as a SQLXML object.
*/
@Override
public void setSQLXML(int parameterIndex, SQLXML x) throws SQLException {
throw unsupported("SQLXML");
}
/**
* INTERNAL
*/
@Override
public String toString() {
return getTraceObjectName() + ": " + command;
}
@Override
protected boolean checkClosed(boolean write) {
if (super.checkClosed(write)) {
// if the session was re-connected, re-prepare the statement
ArrayList oldParams = command.getParameters();
command = conn.prepareCommand(sqlStatement, fetchSize);
ArrayList newParams = command.getParameters();
for (int i = 0, size = oldParams.size(); i < size; i++) {
ParameterInterface old = oldParams.get(i);
Value value = old.getParamValue();
if (value != null) {
ParameterInterface n = newParams.get(i);
n.setValue(value, false);
}
}
return true;
}
return false;
}
}
