| /* |
| * Copyright (c) 1998, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.testing.tests.performance.emulateddb; |
| |
| import java.sql.*; |
| import java.io.InputStream; |
| import java.io.Reader; |
| import java.math.*; |
| import java.util.*; |
| |
| import org.eclipse.persistence.internal.helper.DatabaseField; |
| import org.eclipse.persistence.sessions.DatabaseRecord; |
| |
| /** |
| * Emulated database driver. |
| */ |
| public class EmulatedStatement implements PreparedStatement { |
| protected EmulatedConnection connection; |
| protected String sql; |
| protected List parameters; |
| protected int batch; |
| |
| public EmulatedStatement(EmulatedConnection connection) { |
| this.connection = connection; |
| this.parameters = new ArrayList(); |
| } |
| |
| public EmulatedStatement(String sql, EmulatedConnection connection) { |
| this(connection); |
| this.sql = sql; |
| } |
| |
| /** |
| * If the rows have not be fetched, fetch them from the database. |
| */ |
| protected List fetchRows() throws SQLException { |
| List rows = this.connection.getRows(this.sql); |
| if (rows == null) { |
| Connection realConnection = this.connection.getRealConnection(); |
| PreparedStatement statement = realConnection.prepareStatement(this.sql); |
| for (int index = 0; index < this.parameters.size(); index++) { |
| statement.setObject(index+1, this.parameters.get(index)); |
| } |
| ResultSet result = statement.executeQuery(); |
| rows = new ArrayList(); |
| ResultSetMetaData metaData = result.getMetaData(); |
| while (result.next()) { |
| DatabaseRecord row = new DatabaseRecord(); |
| for (int column = 0; column < metaData.getColumnCount(); column++) { |
| row.add(new DatabaseField(metaData.getColumnName(column+1)), result.getObject(column+1)); |
| } |
| rows.add(row); |
| } |
| result.close(); |
| statement.close(); |
| } |
| this.connection.putRows(this.sql, rows); |
| return rows; |
| } |
| |
| /** |
| * Executes the SQL query in this <code>PreparedStatement</code> object |
| * and returns the <code>ResultSet</code> object generated by the query. |
| * |
| * @return a <code>ResultSet</code> object that contains the data produced by the |
| * query; never <code>null</code> |
| * @exception SQLException if a database access error occurs or the SQL |
| * statement does not return a <code>ResultSet</code> object |
| */ |
| @Override |
| public ResultSet executeQuery() throws SQLException { |
| return new EmulatedResultSet(fetchRows()); |
| } |
| |
| /** |
| * Executes the SQL statement in this <code>PreparedStatement</code> object, |
| * which must be an SQL <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code> statement; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @return either (1) the row count for <code>INSERT</code>, <code>UPDATE</code>, |
| * or <code>DELETE</code> statements |
| * or (2) 0 for SQL statements that return nothing |
| * @exception SQLException if a database access error occurs or the SQL |
| * statement returns a <code>ResultSet</code> object |
| */ |
| @Override |
| public int executeUpdate() throws SQLException { |
| return 1; |
| } |
| |
| /** |
| * Sets the designated parameter to SQL <code>NULL</code>. |
| * |
| * <P><B>Note:</B> You must specify the parameter's SQL type. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param sqlType the SQL type code defined in <code>java.sql.Types</code> |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setNull(int parameterIndex, int sqlType) throws SQLException { |
| setObject(parameterIndex, null); |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>boolean</code> value. |
| * The driver converts this |
| * to an SQL <code>BIT</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setBoolean(int parameterIndex, boolean x) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>byte</code> value. |
| * The driver converts this |
| * to an SQL <code>TINYINT</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setByte(int parameterIndex, byte x) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>short</code> value. |
| * The driver converts this |
| * to an SQL <code>SMALLINT</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setShort(int parameterIndex, short x) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>int</code> value. |
| * The driver converts this |
| * to an SQL <code>INTEGER</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setInt(int parameterIndex, int x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>long</code> value. |
| * The driver converts this |
| * to an SQL <code>BIGINT</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setLong(int parameterIndex, long x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>float</code> value. |
| * The driver converts this |
| * to an SQL <code>FLOAT</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setFloat(int parameterIndex, float x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>double</code> value. |
| * The driver converts this |
| * to an SQL <code>DOUBLE</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setDouble(int parameterIndex, double x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.math.BigDecimal</code> value. |
| * The driver converts this to an SQL <code>NUMERIC</code> value when |
| * it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java <code>String</code> value. |
| * The driver converts this |
| * to an SQL <code>VARCHAR</code> or <code>LONGVARCHAR</code> value |
| * (depending on the argument's |
| * size relative to the driver's limits on <code>VARCHAR</code> values) |
| * when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setString(int parameterIndex, String x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given Java array of bytes. The driver converts |
| * this to an SQL <code>VARBINARY</code> or <code>LONGVARBINARY</code> |
| * (depending on the argument's size relative to the driver's limits on |
| * <code>VARBINARY</code> values) when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setBytes(int parameterIndex, byte[] x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.sql.Date</code> value. |
| * The driver converts this |
| * to an SQL <code>DATE</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setDate(int parameterIndex, java.sql.Date x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.sql.Time</code> value. |
| * The driver converts this |
| * to an SQL <code>TIME</code> value when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setTime(int parameterIndex, java.sql.Time x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.sql.Timestamp</code> value. |
| * The driver |
| * converts this to an SQL <code>TIMESTAMP</code> value when it sends it to the |
| * database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setTimestamp(int parameterIndex, java.sql.Timestamp x) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given input stream, which will have |
| * the specified number of bytes. |
| * When a very large ASCII value is input to a <code>LONGVARCHAR</code> |
| * parameter, it may be more practical to send it via a |
| * <code>java.io.InputStream</code>. Data will be read from the stream |
| * as needed until end-of-file is reached. The JDBC driver will |
| * do any necessary conversion from ASCII to the database char format. |
| * |
| * <P><B>Note:</B> This stream object can either be a standard |
| * Java stream object or your own subclass that implements the |
| * standard interface. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the Java input stream that contains the ASCII parameter value |
| * @param length the number of bytes in the stream |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setAsciiStream(int parameterIndex, java.io.InputStream x, int length) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given input stream, which |
| * will have the specified number of bytes. A Unicode character has |
| * two bytes, with the first byte being the high byte, and the second |
| * being the low byte. |
| * |
| * When a very large Unicode value is input to a <code>LONGVARCHAR</code> |
| * parameter, it may be more practical to send it via a |
| * <code>java.io.InputStream</code> object. The data will be read from the |
| * stream as needed until end-of-file is reached. The JDBC driver will |
| * do any necessary conversion from Unicode to the database char format. |
| * |
| * <P><B>Note:</B> This stream object can either be a standard |
| * Java stream object or your own subclass that implements the |
| * standard interface. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x a <code>java.io.InputStream</code> object that contains the |
| * Unicode parameter value as two-byte Unicode characters |
| * @param length the number of bytes in the stream |
| * @exception SQLException if a database access error occurs |
| * @deprecated |
| */ |
| @Override |
| @Deprecated |
| public void setUnicodeStream(int parameterIndex, java.io.InputStream x, int length) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given input stream, which will have |
| * the specified number of bytes. |
| * When a very large binary value is input to a <code>LONGVARBINARY</code> |
| * parameter, it may be more practical to send it via a |
| * <code>java.io.InputStream</code> object. The data will be read from the |
| * stream as needed until end-of-file is reached. |
| * |
| * <P><B>Note:</B> This stream object can either be a standard |
| * Java stream object or your own subclass that implements the |
| * standard interface. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the java input stream which contains the binary parameter value |
| * @param length the number of bytes in the stream |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setBinaryStream(int parameterIndex, java.io.InputStream x, int length) throws SQLException { |
| } |
| |
| /** |
| * Clears the current parameter values immediately. |
| * <P>In general, parameter values remain in force for repeated use of a |
| * statement. Setting a parameter value automatically clears its |
| * previous value. However, in some cases it is useful to immediately |
| * release the resources used by the current parameter values; this can |
| * be done by calling the method <code>clearParameters</code>. |
| * |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void clearParameters() throws SQLException { |
| } |
| |
| //---------------------------------------------------------------------- |
| // Advanced features: |
| |
| /** |
| * <p>Sets the value of the designated parameter with the given object. The second |
| * argument must be an object type; for integral values, the |
| * <code>java.lang</code> equivalent objects should be used. |
| * |
| * <p>The given Java object will be converted to the given targetSqlType |
| * before being sent to the database. |
| * |
| * If the object has a custom mapping (is of a class implementing the |
| * interface <code>SQLData</code>), |
| * the JDBC driver should call the method <code>SQLData.writeSQL</code> to |
| * write it to the SQL data stream. |
| * If, on the other hand, the object is of a class implementing |
| * <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, <code>Struct</code>, |
| * or <code>Array</code>, the driver should pass it to the database as a |
| * value of the corresponding SQL type. |
| * |
| * <p>Note that this method may be used to pass database-specific |
| * abstract data types. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the object containing the input parameter value |
| * @param targetSqlType the SQL type (as defined in java.sql.Types) to be |
| * sent to the database. The scale argument may further qualify this type. |
| * @param scale for java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types, |
| * this is the number of digits after the decimal point. For all other |
| * types, this value will be ignored. |
| * @exception SQLException if a database access error occurs |
| * @see Types |
| */ |
| @Override |
| public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the value of the designated parameter with the given object. |
| * This method is like the method <code>setObject</code> |
| * above, except that it assumes a scale of zero. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the object containing the input parameter value |
| * @param targetSqlType the SQL type (as defined in java.sql.Types) to be |
| * sent to the database |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * <p>Sets the value of the designated parameter using the given object. |
| * The second parameter must be of type <code>Object</code>; therefore, the |
| * <code>java.lang</code> equivalent objects should be used for built-in types. |
| * |
| * <p>The JDBC specification specifies a standard mapping from |
| * Java <code>Object</code> types to SQL types. The given argument |
| * will be converted to the corresponding SQL type before being |
| * sent to the database. |
| * |
| * <p>Note that this method may be used to pass datatabase- |
| * specific abstract data types, by using a driver-specific Java |
| * type. |
| * |
| * If the object is of a class implementing the interface <code>SQLData</code>, |
| * the JDBC driver should call the method <code>SQLData.writeSQL</code> |
| * to write it to the SQL data stream. |
| * If, on the other hand, the object is of a class implementing |
| * <code>Ref</code>, <code>Blob</code>, <code>Clob</code>, <code>Struct</code>, |
| * or <code>Array</code>, the driver should pass it to the database as a |
| * value of the corresponding SQL type. |
| * <P> |
| * This method throws an exception if there is an ambiguity, for example, if the |
| * object is of a class implementing more than one of the interfaces named above. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the object containing the input parameter value |
| * @exception SQLException if a database access error occurs or the type |
| * of the given object is ambiguous |
| */ |
| @Override |
| public void setObject(int parameterIndex, Object x) throws SQLException { |
| while (this.parameters.size() < parameterIndex) { |
| this.parameters.add(null); |
| } |
| this.parameters.set(parameterIndex-1, x); |
| } |
| |
| /** |
| * Executes the SQL statement in this <code>PreparedStatement</code> object, |
| * which may be any kind of SQL statement. |
| * Some prepared statements return multiple results; the <code>execute</code> |
| * method handles these complex statements as well as the simpler |
| * form of statements handled by the methods <code>executeQuery</code> |
| * and <code>executeUpdate</code>. |
| * <P> |
| * The <code>execute</code> method returns a <code>boolean</code> to |
| * indicate the form of the first result. You must call either the method |
| * <code>getResultSet</code> or <code>getUpdateCount</code> |
| * to retrieve the result; you must call <code>getMoreResults</code> to |
| * move to any subsequent result(s). |
| * |
| * @return <code>true</code> if the first result is a <code>ResultSet</code> |
| * object; <code>false</code> if the first result is an update |
| * count or there is no result |
| * @exception SQLException if a database access error occurs or an argument |
| * is supplied to this method |
| * @see Statement#execute |
| * @see Statement#getResultSet |
| * @see Statement#getUpdateCount |
| * @see Statement#getMoreResults |
| |
| */ |
| @Override |
| public boolean execute() throws SQLException{ |
| return true; |
| } |
| |
| //--------------------------JDBC 2.0----------------------------- |
| |
| /** |
| * Adds a set of parameters to this <code>PreparedStatement</code> |
| * object's batch of commands. |
| * |
| * @exception SQLException if a database access error occurs |
| * @see Statement#addBatch |
| * @since 1.2 |
| */ |
| @Override |
| public void addBatch() throws SQLException { |
| this.batch++; |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>Reader</code> |
| * object, which is the given number of characters long. |
| * When a very large UNICODE value is input to a <code>LONGVARCHAR</code> |
| * parameter, it may be more practical to send it via a |
| * <code>java.io.Reader</code> object. The data will be read from the stream |
| * as needed until end-of-file is reached. The JDBC driver will |
| * do any necessary conversion from UNICODE to the database char format. |
| * |
| * <P><B>Note:</B> This stream object can either be a standard |
| * Java stream object or your own subclass that implements the |
| * standard interface. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param reader the <code>java.io.Reader</code> object that contains the |
| * Unicode data |
| * @param length the number of characters in the stream |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setCharacterStream(int parameterIndex, java.io.Reader reader, int length) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given |
| * <code>REF(<structured-type>)</code> value. |
| * The driver converts this to an SQL <code>REF</code> value when it |
| * sends it to the database. |
| * |
| * @param i the first parameter is 1, the second is 2, ... |
| * @param x an SQL <code>REF</code> value |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setRef(int i, Ref x) throws SQLException { |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>Blob</code> object. |
| * The driver converts this to an SQL <code>BLOB</code> value when it |
| * sends it to the database. |
| * |
| * @param i the first parameter is 1, the second is 2, ... |
| * @param x a <code>Blob</code> object that maps an SQL <code>BLOB</code> value |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setBlob(int i, Blob x) throws SQLException { |
| setObject(i, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>Clob</code> object. |
| * The driver converts this to an SQL <code>CLOB</code> value when it |
| * sends it to the database. |
| * |
| * @param i the first parameter is 1, the second is 2, ... |
| * @param x a <code>Clob</code> object that maps an SQL <code>CLOB</code> value |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setClob(int i, Clob x) throws SQLException { |
| setObject(i, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>Array</code> object. |
| * The driver converts this to an SQL <code>ARRAY</code> value when it |
| * sends it to the database. |
| * |
| * @param i the first parameter is 1, the second is 2, ... |
| * @param x an <code>Array</code> object that maps an SQL <code>ARRAY</code> value |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setArray(int i, Array x) throws SQLException { |
| setObject(i, x); |
| } |
| |
| /** |
| * Retrieves a <code>ResultSetMetaData</code> object that contains |
| * information about the columns of the <code>ResultSet</code> object |
| * that will be returned when this <code>PreparedStatement</code> object |
| * is executed. |
| * <P> |
| * Because a <code>PreparedStatement</code> object is precompiled, it is |
| * possible to know about the <code>ResultSet</code> object that it will |
| * return without having to execute it. Consequently, it is possible |
| * to invoke the method <code>getMetaData</code> on a |
| * <code>PreparedStatement</code> object rather than waiting to execute |
| * it and then invoking the <code>ResultSet.getMetaData</code> method |
| * on the <code>ResultSet</code> object that is returned. |
| * <P> |
| * <B>NOTE:</B> Using this method may be expensive for some drivers due |
| * to the lack of underlying DBMS support. |
| * |
| * @return the description of a <code>ResultSet</code> object's columns or |
| * <code>null</code> if the driver cannot return a |
| * <code>ResultSetMetaData</code> object |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public ResultSetMetaData getMetaData() throws SQLException { |
| return null; |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.sql.Date</code> value, |
| * using the given <code>Calendar</code> object. The driver uses |
| * the <code>Calendar</code> object to construct an SQL <code>DATE</code> value, |
| * which the driver then sends to the database. With |
| * a <code>Calendar</code> object, the driver can calculate the date |
| * taking into account a custom timezone. If no |
| * <code>Calendar</code> object is specified, the driver uses the default |
| * timezone, which is that of the virtual machine running the application. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @param cal the <code>Calendar</code> object the driver will use |
| * to construct the date |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setDate(int parameterIndex, java.sql.Date x, Calendar cal) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.sql.Time</code> value, |
| * using the given <code>Calendar</code> object. The driver uses |
| * the <code>Calendar</code> object to construct an SQL <code>TIME</code> value, |
| * which the driver then sends to the database. With |
| * a <code>Calendar</code> object, the driver can calculate the time |
| * taking into account a custom timezone. If no |
| * <code>Calendar</code> object is specified, the driver uses the default |
| * timezone, which is that of the virtual machine running the application. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @param cal the <code>Calendar</code> object the driver will use |
| * to construct the time |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setTime(int parameterIndex, java.sql.Time x, Calendar cal) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to the given <code>java.sql.Timestamp</code> value, |
| * using the given <code>Calendar</code> object. The driver uses |
| * the <code>Calendar</code> object to construct an SQL <code>TIMESTAMP</code> value, |
| * which the driver then sends to the database. With a |
| * <code>Calendar</code> object, the driver can calculate the timestamp |
| * taking into account a custom timezone. If no |
| * <code>Calendar</code> object is specified, the driver uses the default |
| * timezone, which is that of the virtual machine running the application. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the parameter value |
| * @param cal the <code>Calendar</code> object the driver will use |
| * to construct the timestamp |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setTimestamp(int parameterIndex, java.sql.Timestamp x, Calendar cal) throws SQLException { |
| setObject(parameterIndex, x); |
| } |
| |
| /** |
| * Sets the designated parameter to SQL <code>NULL</code>. |
| * This version of the method <code>setNull</code> should |
| * be used for user-defined types and REF type parameters. Examples |
| * of user-defined types include: STRUCT, DISTINCT, JAVA_OBJECT, and |
| * named array types. |
| * |
| * <P><B>Note:</B> To be portable, applications must give the |
| * SQL type code and the fully-qualified SQL type name when specifying |
| * a NULL user-defined or REF parameter. In the case of a user-defined type |
| * the name is the type name of the parameter itself. For a REF |
| * parameter, the name is the type name of the referenced type. If |
| * a JDBC driver does not need the type code or type name information, |
| * it may ignore it. |
| * |
| * Although it is intended for user-defined and Ref parameters, |
| * this method may be used to set a null parameter of any JDBC type. |
| * If the parameter does not have a user-defined or REF type, the given |
| * typeName is ignored. |
| * |
| * |
| * @param paramIndex the first parameter is 1, the second is 2, ... |
| * @param sqlType a value from <code>java.sql.Types</code> |
| * @param typeName the fully-qualified name of an SQL user-defined type; |
| * ignored if the parameter is not a user-defined type or REF |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public void setNull(int paramIndex, int sqlType, String typeName) throws SQLException { |
| setObject(paramIndex, null); |
| } |
| |
| //------------------------- JDBC 3.0 ----------------------------------- |
| |
| /** |
| * Sets the designated parameter to the given <code>java.net.URL</code> value. |
| * The driver converts this to an SQL <code>DATALINK</code> value |
| * when it sends it to the database. |
| * |
| * @param parameterIndex the first parameter is 1, the second is 2, ... |
| * @param x the <code>java.net.URL</code> object to be set |
| * @exception SQLException if a database access error occurs |
| * @since 1.4 |
| */ |
| @Override |
| public void setURL(int parameterIndex, java.net.URL x) throws SQLException { |
| } |
| |
| /** |
| * Retrieves the number, types and properties of this |
| * <code>PreparedStatement</code> object's parameters. |
| * |
| * @return a <code>ParameterMetaData</code> object that contains information |
| * about the number, types and properties of this |
| * <code>PreparedStatement</code> object's parameters |
| * @exception SQLException if a database access error occurs |
| * @see ParameterMetaData |
| * @since 1.4 |
| */ |
| @Override |
| public ParameterMetaData getParameterMetaData() throws SQLException { |
| return null; |
| } |
| |
| /** |
| * Executes the given SQL statement, which returns a single |
| * <code>ResultSet</code> object. |
| * |
| * @param sql an SQL statement to be sent to the database, typically a |
| * static SQL <code>SELECT</code> statement |
| * @return a <code>ResultSet</code> object that contains the data produced |
| * by the given query; never <code>null</code> |
| * @exception SQLException if a database access error occurs or the given |
| * SQL statement produces anything other than a single |
| * <code>ResultSet</code> object |
| */ |
| @Override |
| public ResultSet executeQuery(String sql) throws SQLException { |
| return new EmulatedResultSet(this.connection.getRows(sql)); |
| } |
| |
| /** |
| * Executes the given SQL statement, which may be an <code>INSERT</code>, |
| * <code>UPDATE</code>, or <code>DELETE</code> statement or an |
| * SQL statement that returns nothing, such as an SQL DDL statement. |
| * |
| * @param sql an SQL <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code> statement or an SQL statement that returns nothing |
| * @return either the row count for <code>INSERT</code>, <code>UPDATE</code> |
| * or <code>DELETE</code> statements, or <code>0</code> for SQL statements |
| * that return nothing |
| * @exception SQLException if a database access error occurs or the given |
| * SQL statement produces a <code>ResultSet</code> object |
| */ |
| @Override |
| public int executeUpdate(String sql) throws SQLException { |
| return 1; |
| } |
| |
| /** |
| * Releases this <code>Statement</code> object's database |
| * and JDBC resources immediately instead of waiting for |
| * this to happen when it is automatically closed. |
| * It is generally good practice to release resources as soon as |
| * you are finished with them to avoid tying up database |
| * resources. |
| * <P> |
| * Calling the method <code>close</code> on a <code>Statement</code> |
| * object that is already closed has no effect. |
| * <P> |
| * <B>Note:</B> A <code>Statement</code> object is automatically closed |
| * when it is garbage collected. When a <code>Statement</code> object is |
| * closed, its current <code>ResultSet</code> object, if one exists, is |
| * also closed. |
| * |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void close() throws SQLException { |
| } |
| |
| //---------------------------------------------------------------------- |
| |
| /** |
| * Retrieves the maximum number of bytes that can be |
| * returned for character and binary column values in a <code>ResultSet</code> |
| * object produced by this <code>Statement</code> object. |
| * This limit applies only to <code>BINARY</code>, |
| * <code>VARBINARY</code>, <code>LONGVARBINARY</code>, <code>CHAR</code>, |
| * <code>VARCHAR</code>, and <code>LONGVARCHAR</code> |
| * columns. If the limit is exceeded, the excess data is silently |
| * discarded. |
| * |
| * @return the current column size limit for columns storing character and |
| * binary values; zero means there is no limit |
| * @exception SQLException if a database access error occurs |
| * @see #setMaxFieldSize |
| */ |
| @Override |
| public int getMaxFieldSize() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Sets the limit for the maximum number of bytes in a <code>ResultSet</code> |
| * column storing character or binary values to |
| * the given number of bytes. This limit applies |
| * only to <code>BINARY</code>, <code>VARBINARY</code>, |
| * <code>LONGVARBINARY</code>, <code>CHAR</code>, <code>VARCHAR</code>, and |
| * <code>LONGVARCHAR</code> fields. If the limit is exceeded, the excess data |
| * is silently discarded. For maximum portability, use values |
| * greater than 256. |
| * |
| * @param max the new column size limit in bytes; zero means there is no limit |
| * @exception SQLException if a database access error occurs |
| * or the condition max >= 0 is not satisfied |
| * @see #getMaxFieldSize |
| */ |
| @Override |
| public void setMaxFieldSize(int max) throws SQLException { |
| } |
| |
| /** |
| * Retrieves the maximum number of rows that a |
| * <code>ResultSet</code> object produced by this |
| * <code>Statement</code> object can contain. If this limit is exceeded, |
| * the excess rows are silently dropped. |
| * |
| * @return the current maximum number of rows for a <code>ResultSet</code> |
| * object produced by this <code>Statement</code> object; |
| * zero means there is no limit |
| * @exception SQLException if a database access error occurs |
| * @see #setMaxRows |
| */ |
| @Override |
| public int getMaxRows() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Sets the limit for the maximum number of rows that any |
| * <code>ResultSet</code> object can contain to the given number. |
| * If the limit is exceeded, the excess |
| * rows are silently dropped. |
| * |
| * @param max the new max rows limit; zero means there is no limit |
| * @exception SQLException if a database access error occurs |
| * or the condition max >= 0 is not satisfied |
| * @see #getMaxRows |
| */ |
| @Override |
| public void setMaxRows(int max) throws SQLException { |
| } |
| |
| /** |
| * Sets escape processing on or off. |
| * If escape scanning is on (the default), the driver will do |
| * escape substitution before sending the SQL statement to the database. |
| * |
| * Note: Since prepared statements have usually been parsed prior |
| * to making this call, disabling escape processing for |
| * <code>PreparedStatements</code> objects will have no effect. |
| * |
| * @param enable <code>true</code> to enable escape processing; |
| * <code>false</code> to disable it |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setEscapeProcessing(boolean enable) throws SQLException { |
| } |
| |
| /** |
| * Retrieves the number of seconds the driver will |
| * wait for a <code>Statement</code> object to execute. If the limit is exceeded, a |
| * <code>SQLException</code> is thrown. |
| * |
| * @return the current query timeout limit in seconds; zero means there is |
| * no limit |
| * @exception SQLException if a database access error occurs |
| * @see #setQueryTimeout |
| */ |
| @Override |
| public int getQueryTimeout() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Sets the number of seconds the driver will wait for a |
| * <code>Statement</code> object to execute to the given number of seconds. |
| * If the limit is exceeded, an <code>SQLException</code> is thrown. |
| * |
| * @param seconds the new query timeout limit in seconds; zero means |
| * there is no limit |
| * @exception SQLException if a database access error occurs |
| * or the condition seconds >= 0 is not satisfied |
| * @see #getQueryTimeout |
| */ |
| @Override |
| public void setQueryTimeout(int seconds) throws SQLException { |
| } |
| |
| /** |
| * Cancels this <code>Statement</code> object if both the DBMS and |
| * driver support aborting an SQL statement. |
| * This method can be used by one thread to cancel a statement that |
| * is being executed by another thread. |
| * |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void cancel() throws SQLException { |
| } |
| |
| /** |
| * Retrieves the first warning reported by calls on this <code>Statement</code> object. |
| * Subsequent <code>Statement</code> object warnings will be chained to this |
| * <code>SQLWarning</code> object. |
| * |
| * <p>The warning chain is automatically cleared each time |
| * a statement is (re)executed. This method may not be called on a closed |
| * <code>Statement</code> object; doing so will cause an <code>SQLException</code> |
| * to be thrown. |
| * |
| * <P><B>Note:</B> If you are processing a <code>ResultSet</code> object, any |
| * warnings associated with reads on that <code>ResultSet</code> object |
| * will be chained on it rather than on the <code>Statement</code> |
| * object that produced it. |
| * |
| * @return the first <code>SQLWarning</code> object or <code>null</code> |
| * if there are no warnings |
| * @exception SQLException if a database access error occurs or this |
| * method is called on a closed statement |
| */ |
| @Override |
| public SQLWarning getWarnings() throws SQLException { |
| return null; |
| } |
| |
| /** |
| * Clears all the warnings reported on this <code>Statement</code> |
| * object. After a call to this method, |
| * the method <code>getWarnings</code> will return |
| * <code>null</code> until a new warning is reported for this |
| * <code>Statement</code> object. |
| * |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void clearWarnings() throws SQLException { |
| } |
| |
| /** |
| * Sets the SQL cursor name to the given <code>String</code>, which |
| * will be used by subsequent <code>Statement</code> object |
| * <code>execute</code> methods. This name can then be |
| * used in SQL positioned update or delete statements to identify the |
| * current row in the <code>ResultSet</code> object generated by this |
| * statement. If the database does not support positioned update/delete, |
| * this method is a noop. To insure that a cursor has the proper isolation |
| * level to support updates, the cursor's <code>SELECT</code> statement |
| * should have the form <code>SELECT FOR UPDATE</code>. If |
| * <code>FOR UPDATE</code> is not present, positioned updates may fail. |
| * |
| * <P><B>Note:</B> By definition, the execution of positioned updates and |
| * deletes must be done by a different <code>Statement</code> object than |
| * the one that generated the <code>ResultSet</code> object being used for |
| * positioning. Also, cursor names must be unique within a connection. |
| * |
| * @param name the new cursor name, which must be unique within |
| * a connection |
| * @exception SQLException if a database access error occurs |
| */ |
| @Override |
| public void setCursorName(String name) throws SQLException { |
| } |
| |
| //----------------------- Multiple Results -------------------------- |
| |
| /** |
| * Executes the given SQL statement, which may return multiple results. |
| * In some (uncommon) situations, a single SQL statement may return |
| * multiple result sets and/or update counts. Normally you can ignore |
| * this unless you are (1) executing a stored procedure that you know may |
| * return multiple results or (2) you are dynamically executing an |
| * unknown SQL string. |
| * <P> |
| * The <code>execute</code> method executes an SQL statement and indicates the |
| * form of the first result. You must then use the methods |
| * <code>getResultSet</code> or <code>getUpdateCount</code> |
| * to retrieve the result, and <code>getMoreResults</code> to |
| * move to any subsequent result(s). |
| * |
| * @param sql any SQL statement |
| * @return <code>true</code> if the first result is a <code>ResultSet</code> |
| * object; <code>false</code> if it is an update count or there are |
| * no results |
| * @exception SQLException if a database access error occurs |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| */ |
| @Override |
| public boolean execute(String sql) throws SQLException { |
| return true; |
| } |
| |
| /** |
| * Retrieves the current result as a <code>ResultSet</code> object. |
| * This method should be called only once per result. |
| * |
| * @return the current result as a <code>ResultSet</code> object or |
| * <code>null</code> if the result is an update count or there are no more results |
| * @exception SQLException if a database access error occurs |
| * @see #execute |
| */ |
| @Override |
| public ResultSet getResultSet() throws SQLException { |
| return null; |
| } |
| |
| /** |
| * Retrieves the current result as an update count; |
| * if the result is a <code>ResultSet</code> object or there are no more results, -1 |
| * is returned. This method should be called only once per result. |
| * |
| * @return the current result as an update count; -1 if the current result is a |
| * <code>ResultSet</code> object or there are no more results |
| * @exception SQLException if a database access error occurs |
| * @see #execute |
| */ |
| @Override |
| public int getUpdateCount() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Moves to this <code>Statement</code> object's next result, returns |
| * <code>true</code> if it is a <code>ResultSet</code> object, and |
| * implicitly closes any current <code>ResultSet</code> |
| * object(s) obtained with the method <code>getResultSet</code>. |
| * |
| * <P>There are no more results when the following is true: |
| * <PRE> |
| * // stmt is a Statement object |
| * ((stmt.getMoreResults() == false) && (stmt.getUpdateCount() == -1)) |
| * </PRE> |
| * |
| * @return <code>true</code> if the next result is a <code>ResultSet</code> |
| * object; <code>false</code> if it is an update count or there are |
| * no more results |
| * @exception SQLException if a database access error occurs |
| * @see #execute |
| */ |
| @Override |
| public boolean getMoreResults() throws SQLException { |
| return false; |
| } |
| |
| //--------------------------JDBC 2.0----------------------------- |
| |
| /** |
| * Gives the driver a hint as to the direction in which |
| * rows will be processed in <code>ResultSet</code> |
| * objects created using this <code>Statement</code> object. The |
| * default value is <code>ResultSet.FETCH_FORWARD</code>. |
| * <P> |
| * Note that this method sets the default fetch direction for |
| * result sets generated by this <code>Statement</code> object. |
| * Each result set has its own methods for getting and setting |
| * its own fetch direction. |
| * |
| * @param direction the initial direction for processing rows |
| * @exception SQLException if a database access error occurs |
| * or the given direction |
| * is not one of <code>ResultSet.FETCH_FORWARD</code>, |
| * <code>ResultSet.FETCH_REVERSE</code>, or <code>ResultSet.FETCH_UNKNOWN</code> |
| * @since 1.2 |
| * @see #getFetchDirection |
| */ |
| @Override |
| public void setFetchDirection(int direction) throws SQLException { |
| } |
| |
| /** |
| * Retrieves the direction for fetching rows from |
| * database tables that is the default for result sets |
| * generated from this <code>Statement</code> object. |
| * If this <code>Statement</code> object has not set |
| * a fetch direction by calling the method <code>setFetchDirection</code>, |
| * the return value is implementation-specific. |
| * |
| * @return the default fetch direction for result sets generated |
| * from this <code>Statement</code> object |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| * @see #setFetchDirection |
| */ |
| @Override |
| public int getFetchDirection() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Gives the JDBC driver a hint as to the number of rows that should |
| * be fetched from the database when more rows are needed. The number |
| * of rows specified affects only result sets created using this |
| * statement. If the value specified is zero, then the hint is ignored. |
| * The default value is zero. |
| * |
| * @param rows the number of rows to fetch |
| * @exception SQLException if a database access error occurs, or the |
| * condition 0 <= <code>rows</code> <= <code>this.getMaxRows()</code> |
| * is not satisfied. |
| * @since 1.2 |
| * @see #getFetchSize |
| */ |
| @Override |
| public void setFetchSize(int rows) throws SQLException { |
| } |
| |
| /** |
| * Retrieves the number of result set rows that is the default |
| * fetch size for <code>ResultSet</code> objects |
| * generated from this <code>Statement</code> object. |
| * If this <code>Statement</code> object has not set |
| * a fetch size by calling the method <code>setFetchSize</code>, |
| * the return value is implementation-specific. |
| * |
| * @return the default fetch size for result sets generated |
| * from this <code>Statement</code> object |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| * @see #setFetchSize |
| */ |
| @Override |
| public int getFetchSize() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Retrieves the result set concurrency for <code>ResultSet</code> objects |
| * generated by this <code>Statement</code> object. |
| * |
| * @return either <code>ResultSet.CONCUR_READ_ONLY</code> or |
| * <code>ResultSet.CONCUR_UPDATABLE</code> |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public int getResultSetConcurrency() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Retrieves the result set type for <code>ResultSet</code> objects |
| * generated by this <code>Statement</code> object. |
| * |
| * @return one of <code>ResultSet.TYPE_FORWARD_ONLY</code>, |
| * <code>ResultSet.TYPE_SCROLL_INSENSITIVE</code>, or |
| * <code>ResultSet.TYPE_SCROLL_SENSITIVE</code> |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public int getResultSetType() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Adds the given SQL command to the current list of commmands for this |
| * <code>Statement</code> object. The commands in this list can be |
| * executed as a batch by calling the method <code>executeBatch</code>. |
| * <P> |
| * <B>NOTE:</B> This method is optional. |
| * |
| * @param sql typically this is a static SQL <code>INSERT</code> or |
| * <code>UPDATE</code> statement |
| * @exception SQLException if a database access error occurs, or the |
| * driver does not support batch updates |
| * @see #executeBatch |
| * @since 1.2 |
| */ |
| @Override |
| public void addBatch(String sql) throws SQLException { |
| } |
| |
| /** |
| * Empties this <code>Statement</code> object's current list of |
| * SQL commands. |
| * <P> |
| * <B>NOTE:</B> This method is optional. |
| * |
| * @exception SQLException if a database access error occurs or the |
| * driver does not support batch updates |
| * @see #addBatch |
| * @since 1.2 |
| */ |
| @Override |
| public void clearBatch() throws SQLException { |
| } |
| |
| /** |
| * Submits a batch of commands to the database for execution and |
| * if all commands execute successfully, returns an array of update counts. |
| * The <code>int</code> elements of the array that is returned are ordered |
| * to correspond to the commands in the batch, which are ordered |
| * according to the order in which they were added to the batch. |
| * The elements in the array returned by the method <code>executeBatch</code> |
| * may be one of the following: |
| * <OL> |
| * <LI>A number greater than or equal to zero -- indicates that the |
| * command was processed successfully and is an update count giving the |
| * number of rows in the database that were affected by the command's |
| * execution |
| * <LI>A value of <code>SUCCESS_NO_INFO</code> -- indicates that the command was |
| * processed successfully but that the number of rows affected is |
| * unknown |
| * <P> |
| * If one of the commands in a batch update fails to execute properly, |
| * this method throws a <code>BatchUpdateException</code>, and a JDBC |
| * driver may or may not continue to process the remaining commands in |
| * the batch. However, the driver's behavior must be consistent with a |
| * particular DBMS, either always continuing to process commands or never |
| * continuing to process commands. If the driver continues processing |
| * after a failure, the array returned by the method |
| * <code>BatchUpdateException.getUpdateCounts</code> |
| * will contain as many elements as there are commands in the batch, and |
| * at least one of the elements will be the following: |
| * <LI>A value of <code>EXECUTE_FAILED</code> -- indicates that the command failed |
| * to execute successfully and occurs only if a driver continues to |
| * process commands after a command fails |
| * </OL> |
| * <P> |
| * A driver is not required to implement this method. |
| * The possible implementations and return values have been modified in |
| * the Java 2 SDK, Standard Edition, version 1.3 to |
| * accommodate the option of continuing to proccess commands in a batch |
| * update after a <code>BatchUpdateException</code> obejct has been thrown. |
| * |
| * @return an array of update counts containing one element for each |
| * command in the batch. The elements of the array are ordered according |
| * to the order in which commands were added to the batch. |
| * @exception SQLException if a database access error occurs or the |
| * driver does not support batch statements. Throws {@link BatchUpdateException} |
| * (a subclass of <code>SQLException</code>) if one of the commands sent to the |
| * database fails to execute properly or attempts to return a result set. |
| * @since 1.3 |
| */ |
| @Override |
| public int[] executeBatch() throws SQLException { |
| int result[] = new int[this.batch]; |
| for (int index = 0; index < this.batch; index++) { |
| result[index] = 1; |
| } |
| this.batch = 0; |
| return result; |
| } |
| |
| /** |
| * Retrieves the <code>Connection</code> object |
| * that produced this <code>Statement</code> object. |
| * @return the connection that produced this statement |
| * @exception SQLException if a database access error occurs |
| * @since 1.2 |
| */ |
| @Override |
| public Connection getConnection() throws SQLException { |
| return connection; |
| } |
| |
| //--------------------------JDBC 3.0----------------------------- |
| |
| /** |
| * Moves to this <code>Statement</code> object's next result, deals with |
| * any current <code>ResultSet</code> object(s) according to the instructions |
| * specified by the given flag, and returns |
| * <code>true</code> if the next result is a <code>ResultSet</code> object. |
| * |
| * <P>There are no more results when the following is true: |
| * <PRE> |
| * // stmt is a Statement object |
| * ((stmt.getMoreResults() == false) && (stmt.getUpdateCount() == -1)) |
| * </PRE> |
| * |
| * @param current one of the following <code>Statement</code> |
| * constants indicating what should happen to current |
| * <code>ResultSet</code> objects obtained using the method |
| * <code>getResultSet</code>: |
| * <code>Statement.CLOSE_CURRENT_RESULT</code>, |
| * <code>Statement.KEEP_CURRENT_RESULT</code>, or |
| * <code>Statement.CLOSE_ALL_RESULTS</code> |
| * @return <code>true</code> if the next result is a <code>ResultSet</code> |
| * object; <code>false</code> if it is an update count or there are no |
| * more results |
| * @exception SQLException if a database access error occurs or the argument |
| * supplied is not one of the following: |
| * <code>Statement.CLOSE_CURRENT_RESULT</code>, |
| * <code>Statement.KEEP_CURRENT_RESULT</code>, or |
| * <code>Statement.CLOSE_ALL_RESULTS</code> |
| * @since 1.4 |
| * @see #execute |
| */ |
| @Override |
| public boolean getMoreResults(int current) throws SQLException { |
| return false; |
| } |
| |
| /** |
| * Retrieves any auto-generated keys created as a result of executing this |
| * <code>Statement</code> object. If this <code>Statement</code> object did |
| * not generate any keys, an empty <code>ResultSet</code> |
| * object is returned. |
| * |
| * @return a <code>ResultSet</code> object containing the auto-generated key(s) |
| * generated by the execution of this <code>Statement</code> object |
| * @exception SQLException if a database access error occurs |
| * @since 1.4 |
| */ |
| @Override |
| public ResultSet getGeneratedKeys() throws SQLException { |
| return null; |
| } |
| |
| /** |
| * Executes the given SQL statement and signals the driver with the |
| * given flag about whether the |
| * auto-generated keys produced by this <code>Statement</code> object |
| * should be made available for retrieval. |
| * |
| * @param sql must be an SQL <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code> statement or an SQL statement that |
| * returns nothing |
| * @param autoGeneratedKeys a flag indicating whether auto-generated keys |
| * should be made available for retrieval; |
| * one of the following constants: |
| * <code>Statement.RETURN_GENERATED_KEYS</code> |
| * <code>Statement.NO_GENERATED_KEYS</code> |
| * @return either the row count for <code>INSERT</code>, <code>UPDATE</code> |
| * or <code>DELETE</code> statements, or <code>0</code> for SQL |
| * statements that return nothing |
| * @exception SQLException if a database access error occurs, the given |
| * SQL statement returns a <code>ResultSet</code> object, or |
| * the given constant is not one of those allowed |
| * @since 1.4 |
| */ |
| @Override |
| public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException { |
| return 1; |
| } |
| |
| /** |
| * Executes the given SQL statement and signals the driver that the |
| * auto-generated keys indicated in the given array should be made available |
| * for retrieval. The driver will ignore the array if the SQL statement |
| * is not an <code>INSERT</code> statement. |
| * |
| * @param sql an SQL <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code> statement or an SQL statement that returns nothing, |
| * such as an SQL DDL statement |
| * @param columnIndexes an array of column indexes indicating the columns |
| * that should be returned from the inserted row |
| * @return either the row count for <code>INSERT</code>, <code>UPDATE</code>, |
| * or <code>DELETE</code> statements, or 0 for SQL statements |
| * that return nothing |
| * @exception SQLException if a database access error occurs, the SQL |
| * statement returns a <code>ResultSet</code> object, or the |
| * second argument supplied to this method is not an <code>int</code> array |
| * whose elements are valid column indexes |
| * @since 1.4 |
| */ |
| @Override |
| public int executeUpdate(String sql, int[] columnIndexes) throws SQLException { |
| return 1; |
| } |
| |
| /** |
| * Executes the given SQL statement and signals the driver that the |
| * auto-generated keys indicated in the given array should be made available |
| * for retrieval. The driver will ignore the array if the SQL statement |
| * is not an <code>INSERT</code> statement. |
| * |
| * @param sql an SQL <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code> statement or an SQL statement that returns nothing |
| * @param columnNames an array of the names of the columns that should be |
| * returned from the inserted row |
| * @return either the row count for <code>INSERT</code>, <code>UPDATE</code>, |
| * or <code>DELETE</code> statements, or 0 for SQL statements |
| * that return nothing |
| * @exception SQLException if a database access error occurs, the SQL |
| * statement returns a <code>ResultSet</code> object, or the |
| * second argument supplied to this method is not a <code>String</code> array |
| * whose elements are valid column names |
| * |
| * @since 1.4 |
| */ |
| @Override |
| public int executeUpdate(String sql, String[] columnNames) throws SQLException { |
| return 1; |
| } |
| |
| /** |
| * Executes the given SQL statement, which may return multiple results, |
| * and signals the driver that any |
| * auto-generated keys should be made available |
| * for retrieval. The driver will ignore this signal if the SQL statement |
| * is not an <code>INSERT</code> statement. |
| * <P> |
| * In some (uncommon) situations, a single SQL statement may return |
| * multiple result sets and/or update counts. Normally you can ignore |
| * this unless you are (1) executing a stored procedure that you know may |
| * return multiple results or (2) you are dynamically executing an |
| * unknown SQL string. |
| * <P> |
| * The <code>execute</code> method executes an SQL statement and indicates the |
| * form of the first result. You must then use the methods |
| * <code>getResultSet</code> or <code>getUpdateCount</code> |
| * to retrieve the result, and <code>getMoreResults</code> to |
| * move to any subsequent result(s). |
| * |
| * @param sql any SQL statement |
| * @param autoGeneratedKeys a constant indicating whether auto-generated |
| * keys should be made available for retrieval using the method |
| * <code>getGeneratedKeys</code>; one of the following constants: |
| * <code>Statement.RETURN_GENERATED_KEYS</code> or |
| * <code>Statement.NO_GENERATED_KEYS</code> |
| * @return <code>true</code> if the first result is a <code>ResultSet</code> |
| * object; <code>false</code> if it is an update count or there are |
| * no results |
| * @exception SQLException if a database access error occurs or the second |
| * parameter supplied to this method is not |
| * <code>Statement.RETURN_GENERATED_KEYS</code> or |
| * <code>Statement.NO_GENERATED_KEYS</code>. |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| * @see #getGeneratedKeys |
| * |
| * @since 1.4 |
| */ |
| @Override |
| public boolean execute(String sql, int autoGeneratedKeys) throws SQLException { |
| return true; |
| } |
| |
| /** |
| * Executes the given SQL statement, which may return multiple results, |
| * and signals the driver that the |
| * auto-generated keys indicated in the given array should be made available |
| * for retrieval. This array contains the indexes of the columns in the |
| * target table that contain the auto-generated keys that should be made |
| * available. The driver will ignore the array if the given SQL statement |
| * is not an <code>INSERT</code> statement. |
| * <P> |
| * Under some (uncommon) situations, a single SQL statement may return |
| * multiple result sets and/or update counts. Normally you can ignore |
| * this unless you are (1) executing a stored procedure that you know may |
| * return multiple results or (2) you are dynamically executing an |
| * unknown SQL string. |
| * <P> |
| * The <code>execute</code> method executes an SQL statement and indicates the |
| * form of the first result. You must then use the methods |
| * <code>getResultSet</code> or <code>getUpdateCount</code> |
| * to retrieve the result, and <code>getMoreResults</code> to |
| * move to any subsequent result(s). |
| * |
| * @param sql any SQL statement |
| * @param columnIndexes an array of the indexes of the columns in the |
| * inserted row that should be made available for retrieval by a |
| * call to the method <code>getGeneratedKeys</code> |
| * @return <code>true</code> if the first result is a <code>ResultSet</code> |
| * object; <code>false</code> if it is an update count or there |
| * are no results |
| * @exception SQLException if a database access error occurs or the |
| * elements in the <code>int</code> array passed to this method |
| * are not valid column indexes |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| * |
| * @since 1.4 |
| */ |
| @Override |
| public boolean execute(String sql, int[] columnIndexes) throws SQLException { |
| return true; |
| } |
| |
| /** |
| * Executes the given SQL statement, which may return multiple results, |
| * and signals the driver that the |
| * auto-generated keys indicated in the given array should be made available |
| * for retrieval. This array contains the names of the columns in the |
| * target table that contain the auto-generated keys that should be made |
| * available. The driver will ignore the array if the given SQL statement |
| * is not an <code>INSERT</code> statement. |
| * <P> |
| * In some (uncommon) situations, a single SQL statement may return |
| * multiple result sets and/or update counts. Normally you can ignore |
| * this unless you are (1) executing a stored procedure that you know may |
| * return multiple results or (2) you are dynamically executing an |
| * unknown SQL string. |
| * <P> |
| * The <code>execute</code> method executes an SQL statement and indicates the |
| * form of the first result. You must then use the methods |
| * <code>getResultSet</code> or <code>getUpdateCount</code> |
| * to retrieve the result, and <code>getMoreResults</code> to |
| * move to any subsequent result(s). |
| * |
| * @param sql any SQL statement |
| * @param columnNames an array of the names of the columns in the inserted |
| * row that should be made available for retrieval by a call to the |
| * method <code>getGeneratedKeys</code> |
| * @return <code>true</code> if the next result is a <code>ResultSet</code> |
| * object; <code>false</code> if it is an update count or there |
| * are no more results |
| * @exception SQLException if a database access error occurs or the |
| * elements of the <code>String</code> array passed to this |
| * method are not valid column names |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| * @see #getGeneratedKeys |
| * |
| * @since 1.4 |
| */ |
| @Override |
| public boolean execute(String sql, String[] columnNames) throws SQLException { |
| return true; |
| } |
| |
| /** |
| * Retrieves the result set holdability for <code>ResultSet</code> objects |
| * generated by this <code>Statement</code> object. |
| * |
| * @return either <code>ResultSet.HOLD_CURSORS_OVER_COMMIT</code> or |
| * <code>ResultSet.CLOSE_CURSORS_AT_COMMIT</code> |
| * @exception SQLException if a database access error occurs |
| * |
| * @since 1.4 |
| */ |
| @Override |
| public int getResultSetHoldability() throws SQLException { |
| return 0; |
| } |
| |
| // 236070: Methods introduced in JDK 1.6 |
| |
| @Override |
| public void setAsciiStream(int columnIndex, InputStream stream, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setAsciiStream(int columnIndex, InputStream stream) throws SQLException { |
| } |
| |
| public void setAsciiStream(String columnLabel, InputStream stream, long length) throws SQLException { |
| } |
| |
| public void setAsciiStream(String columnLabel, InputStream stream) throws SQLException { |
| } |
| |
| @Override |
| public void setBlob(int columnIndex, InputStream stream, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setBlob(int columnIndex, InputStream stream) throws SQLException { |
| } |
| |
| public void setBlob(String columnLabel, InputStream stream, long length) throws SQLException { |
| } |
| |
| public void setBlob(String columnLabel, InputStream stream) throws SQLException { |
| } |
| |
| @Override |
| public void setBinaryStream(int columnIndex, InputStream stream, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setBinaryStream(int columnIndex, InputStream stream) throws SQLException { |
| } |
| |
| public void setBinaryStream(String columnLabel, InputStream stream, long length) throws SQLException { |
| } |
| |
| public void setBinaryStream(String columnLabel, InputStream stream) throws SQLException { |
| } |
| |
| @Override |
| public void setCharacterStream(int columnIndex, Reader reader, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setCharacterStream(int columnIndex, Reader reader) throws SQLException { |
| } |
| |
| public void setCharacterStream(String columnLabel, Reader reader, long length) throws SQLException { |
| } |
| |
| public void setCharacterStream(String columnLabel, Reader reader) throws SQLException { |
| } |
| |
| @Override |
| public void setClob(int columnIndex, Reader reader, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setClob(int columnIndex, Reader reader) throws SQLException { |
| } |
| |
| public void setClob(String columnLabel, Reader reader, long length) throws SQLException { |
| } |
| |
| public void setClob(String columnLabel, Reader reader) throws SQLException { |
| } |
| |
| @Override |
| public void setNCharacterStream(int columnIndex, Reader reader, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setNCharacterStream(int columnIndex, Reader reader) throws SQLException { |
| } |
| |
| public void setNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException { |
| } |
| |
| public void setNCharacterStream(String columnLabel, Reader reader) throws SQLException { |
| } |
| |
| @Override |
| public void setNClob(int columnIndex, Reader reader, long length) throws SQLException { |
| } |
| |
| @Override |
| public void setNClob(int columnIndex, Reader reader) throws SQLException { |
| } |
| |
| public void setNClob(String columnLabel, Reader reader, long length) throws SQLException { |
| } |
| |
| public void setNClob(String columnLabel, Reader reader) throws SQLException { |
| } |
| |
| @Override |
| public void setNClob(int columnIndex, NClob nclob) throws SQLException { |
| } |
| |
| public void setNClob(String columnLabel, NClob nclob) throws SQLException { |
| } |
| |
| @Override |
| public void setNString(int columnIndex, String nString) throws SQLException { |
| } |
| |
| public void setNString(String columnLabel, String nString) throws SQLException { |
| } |
| |
| public void setSQLXML(String columnLabel, SQLXML sqlxml) throws SQLException { |
| } |
| |
| @Override |
| public void setSQLXML(int columnIndex, SQLXML sqlxml) throws SQLException { |
| } |
| |
| @Override |
| public void setRowId(int columnIndex, RowId rowid) throws SQLException { |
| } |
| |
| public void setRowId(String columnLabel, RowId rowid) throws SQLException { |
| } |
| |
| @Override |
| public boolean isClosed() throws SQLException { |
| return false; |
| } |
| |
| @Override |
| public boolean isPoolable() throws SQLException { |
| return false; |
| } |
| |
| @Override |
| public void setPoolable(boolean poolable) throws SQLException { |
| } |
| |
| // From java.sql.Wrapper |
| @Override |
| public boolean isWrapperFor(Class<?> iFace) throws SQLException{ |
| return false; |
| } |
| |
| @Override |
| public <T>T unwrap(Class<T> iFace) throws SQLException { |
| return iFace.cast(this); |
| } |
| |
| @Override |
| public boolean isCloseOnCompletion(){return false;} |
| |
| @Override |
| public void closeOnCompletion(){} |
| } |