| /* |
| * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package java.sql; |
| |
| import java.util.regex.Pattern; |
| import static java.util.stream.Collectors.joining; |
| |
| /** |
| * <P>The object used for executing a static SQL statement |
| * and returning the results it produces. |
| * <P> |
| * By default, only one <code>ResultSet</code> object per <code>Statement</code> |
| * object can be open at the same time. Therefore, if the reading of one |
| * <code>ResultSet</code> object is interleaved |
| * with the reading of another, each must have been generated by |
| * different <code>Statement</code> objects. All execution methods in the |
| * <code>Statement</code> interface implicitly close a current |
| * <code>ResultSet</code> object of the statement if an open one exists. |
| * |
| * @see Connection#createStatement |
| * @see ResultSet |
| * @since 1.1 |
| */ |
| public interface Statement extends Wrapper, AutoCloseable { |
| |
| /** |
| * Executes the given SQL statement, which returns a single |
| * <code>ResultSet</code> object. |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @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, |
| * this method is called on a closed <code>Statement</code>, the given |
| * SQL statement produces anything other than a single |
| * <code>ResultSet</code> object, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| */ |
| ResultSet executeQuery(String sql) throws SQLException; |
| |
| /** |
| * 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. |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
| * or (2) 0 for SQL statements that return nothing |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the given |
| * SQL statement produces a <code>ResultSet</code> object, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| */ |
| int executeUpdate(String sql) throws SQLException; |
| |
| /** |
| * 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>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 |
| */ |
| 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>, |
| * <code>NCHAR</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #setMaxFieldSize |
| */ |
| int getMaxFieldSize() throws SQLException; |
| |
| /** |
| * Sets the limit for 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>, |
| * <code>NCHAR</code>, <code>NVARCHAR</code>, <code>LONGNVARCHAR</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, |
| * this method is called on a closed <code>Statement</code> |
| * or the condition {@code max >= 0} is not satisfied |
| * @see #getMaxFieldSize |
| */ |
| 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #setMaxRows |
| */ |
| int getMaxRows() throws SQLException; |
| |
| /** |
| * Sets the limit for the maximum number of rows that any |
| * <code>ResultSet</code> object generated by this <code>Statement</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, |
| * this method is called on a closed <code>Statement</code> |
| * or the condition {@code max >= 0} is not satisfied |
| * @see #getMaxRows |
| */ |
| 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. |
| *<p> |
| * The {@code Connection} and {@code DataSource} property |
| * {@code escapeProcessing} may be used to change the default escape processing |
| * behavior. A value of true (the default) enables escape Processing for |
| * all {@code Statement} objects. A value of false disables escape processing |
| * for all {@code Statement} objects. The {@code setEscapeProcessing} |
| * method may be used to specify the escape processing behavior for an |
| * individual {@code Statement} object. |
| * <p> |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| */ |
| 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #setQueryTimeout |
| */ |
| int getQueryTimeout() throws SQLException; |
| |
| /** |
| * Sets the number of seconds the driver will wait for a |
| * <code>Statement</code> object to execute to the given number of seconds. |
| *By default there is no limit on the amount of time allowed for a running |
| * statement to complete. If the limit is exceeded, an |
| * <code>SQLTimeoutException</code> is thrown. |
| * A JDBC driver must apply this limit to the <code>execute</code>, |
| * <code>executeQuery</code> and <code>executeUpdate</code> methods. |
| * <p> |
| * <strong>Note:</strong> JDBC driver implementations may also apply this |
| * limit to {@code ResultSet} methods |
| * (consult your driver vendor documentation for details). |
| * <p> |
| * <strong>Note:</strong> In the case of {@code Statement} batching, it is |
| * implementation defined as to whether the time-out is applied to |
| * individual SQL commands added via the {@code addBatch} method or to |
| * the entire batch of SQL commands invoked by the {@code executeBatch} |
| * method (consult your driver vendor documentation for details). |
| * |
| * @param seconds the new query timeout limit in seconds; zero means |
| * there is no limit |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code> |
| * or the condition {@code seconds >= 0} is not satisfied |
| * @see #getQueryTimeout |
| */ |
| 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
| * this method |
| */ |
| 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 <code>Statement</code> |
| */ |
| SQLWarning getWarnings() throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| */ |
| 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| */ |
| 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). |
| * <p> |
| *<strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @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, |
| * this method is called on a closed <code>Statement</code>, |
| * the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| */ |
| boolean execute(String sql) throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #execute |
| */ |
| ResultSet getResultSet() throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #execute |
| */ |
| int getUpdateCount() throws SQLException; |
| |
| /** |
| * 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>{@code |
| * // 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #execute |
| */ |
| boolean getMoreResults() throws SQLException; |
| |
| |
| //--------------------------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, |
| * this method is called on a closed <code>Statement</code> |
| * 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 |
| */ |
| 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @since 1.2 |
| * @see #setFetchDirection |
| */ |
| int getFetchDirection() throws SQLException; |
| |
| /** |
| * Gives the JDBC driver a hint as to the number of rows that should |
| * be fetched from the database when more rows are needed for |
| * <code>ResultSet</code> objects generated by this <code>Statement</code>. |
| * 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, |
| * this method is called on a closed <code>Statement</code> or the |
| * condition {@code rows >= 0} is not satisfied. |
| * @since 1.2 |
| * @see #getFetchSize |
| */ |
| 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @since 1.2 |
| * @see #setFetchSize |
| */ |
| int getFetchSize() throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @since 1.2 |
| */ |
| int getResultSetConcurrency() throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @since 1.2 |
| */ |
| int getResultSetType() throws SQLException; |
| |
| /** |
| * Adds the given SQL command to the current list of commands 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> |
| *<strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @param sql typically this is a SQL <code>INSERT</code> or |
| * <code>UPDATE</code> statement |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the |
| * driver does not support batch updates, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @see #executeBatch |
| * @see DatabaseMetaData#supportsBatchUpdates |
| * @since 1.2 |
| */ |
| void addBatch( String sql ) throws SQLException; |
| |
| /** |
| * Empties this <code>Statement</code> object's current list of |
| * SQL commands. |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code> or the |
| * driver does not support batch updates |
| * @see #addBatch |
| * @see DatabaseMetaData#supportsBatchUpdates |
| * @since 1.2 |
| */ |
| 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> |
| * 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 process commands in a batch |
| * update after a <code>BatchUpdateException</code> object 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, |
| * this method is called on a closed <code>Statement</code> 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. |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * |
| * @see #addBatch |
| * @see DatabaseMetaData#supportsBatchUpdates |
| * @since 1.2 |
| */ |
| int[] executeBatch() throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| * @since 1.2 |
| */ |
| Connection getConnection() throws SQLException; |
| |
| //--------------------------JDBC 3.0----------------------------- |
| |
| /** |
| * The constant indicating that the current <code>ResultSet</code> object |
| * should be closed when calling <code>getMoreResults</code>. |
| * |
| * @since 1.4 |
| */ |
| int CLOSE_CURRENT_RESULT = 1; |
| |
| /** |
| * The constant indicating that the current <code>ResultSet</code> object |
| * should not be closed when calling <code>getMoreResults</code>. |
| * |
| * @since 1.4 |
| */ |
| int KEEP_CURRENT_RESULT = 2; |
| |
| /** |
| * The constant indicating that all <code>ResultSet</code> objects that |
| * have previously been kept open should be closed when calling |
| * <code>getMoreResults</code>. |
| * |
| * @since 1.4 |
| */ |
| int CLOSE_ALL_RESULTS = 3; |
| |
| /** |
| * The constant indicating that a batch statement executed successfully |
| * but that no count of the number of rows it affected is available. |
| * |
| * @since 1.4 |
| */ |
| int SUCCESS_NO_INFO = -2; |
| |
| /** |
| * The constant indicating that an error occurred while executing a |
| * batch statement. |
| * |
| * @since 1.4 |
| */ |
| int EXECUTE_FAILED = -3; |
| |
| /** |
| * The constant indicating that generated keys should be made |
| * available for retrieval. |
| * |
| * @since 1.4 |
| */ |
| int RETURN_GENERATED_KEYS = 1; |
| |
| /** |
| * The constant indicating that generated keys should not be made |
| * available for retrieval. |
| * |
| * @since 1.4 |
| */ |
| int NO_GENERATED_KEYS = 2; |
| |
| /** |
| * 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>{@code |
| * // stmt is a Statement object |
| * ((stmt.getMoreResults(current) == 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, |
| * this method is called on a closed <code>Statement</code> 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> |
| *@exception SQLFeatureNotSupportedException if |
| * <code>DatabaseMetaData.supportsMultipleOpenResults</code> returns |
| * <code>false</code> and either |
| * <code>Statement.KEEP_CURRENT_RESULT</code> or |
| * <code>Statement.CLOSE_ALL_RESULTS</code> are supplied as |
| * the argument. |
| * @since 1.4 |
| * @see #execute |
| */ |
| boolean getMoreResults(int current) throws SQLException; |
| |
| /** |
| * 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. |
| * |
| *<p><B>Note:</B>If the columns which represent the auto-generated keys were not specified, |
| * the JDBC driver implementation will determine the columns which best represent the auto-generated keys. |
| * |
| * @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 or |
| * this method is called on a closed <code>Statement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @since 1.4 |
| */ |
| ResultSet getGeneratedKeys() throws SQLException; |
| |
| /** |
| * 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. The driver will ignore the |
| * flag if the SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @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 (1) the row count for SQL Data Manipulation Language (DML) statements |
| * or (2) 0 for SQL statements that return nothing |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the given |
| * SQL statement returns a <code>ResultSet</code> object, |
| * the given constant is not one of those allowed, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
| * this method with a constant of Statement.RETURN_GENERATED_KEYS |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.4 |
| */ |
| int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException; |
| |
| /** |
| * 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. 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 SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @param columnIndexes an array of column indexes indicating the columns |
| * that should be returned from the inserted row |
| * @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
| * or (2) 0 for SQL statements that return nothing |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the SQL |
| * statement returns a <code>ResultSet</code> object,the second argument |
| * supplied to this method is not an |
| * <code>int</code> array whose elements are valid column indexes, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.4 |
| */ |
| int executeUpdate(String sql, int columnIndexes[]) throws SQLException; |
| |
| /** |
| * 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. 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 SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @param sql an SQL Data Manipulation Language (DML) statement, such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * @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, |
| * this method is called on a closed <code>Statement</code>, the SQL |
| * statement returns a <code>ResultSet</code> object, the |
| * second argument supplied to this method is not a <code>String</code> array |
| * whose elements are valid column names, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.4 |
| */ |
| int executeUpdate(String sql, String columnNames[]) throws SQLException; |
| |
| /** |
| * 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, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| * <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). |
| *<p> |
| *<strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @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, |
| * this method is called on a closed <code>Statement</code>, the second |
| * parameter supplied to this method is not |
| * <code>Statement.RETURN_GENERATED_KEYS</code> or |
| * <code>Statement.NO_GENERATED_KEYS</code>, |
| * the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
| * this method with a constant of Statement.RETURN_GENERATED_KEYS |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| * @see #getGeneratedKeys |
| * |
| * @since 1.4 |
| */ |
| boolean execute(String sql, int autoGeneratedKeys) throws SQLException; |
| |
| /** |
| * 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 SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| * <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). |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @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, |
| * this method is called on a closed <code>Statement</code>, the |
| * elements in the <code>int</code> array passed to this method |
| * are not valid column indexes, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| * |
| * @since 1.4 |
| */ |
| boolean execute(String sql, int columnIndexes[]) throws SQLException; |
| |
| /** |
| * 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 SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| * <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). |
| *<p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| * @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, |
| * this method is called on a closed <code>Statement</code>,the |
| * elements of the <code>String</code> array passed to this |
| * method are not valid column names, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @see #getResultSet |
| * @see #getUpdateCount |
| * @see #getMoreResults |
| * @see #getGeneratedKeys |
| * |
| * @since 1.4 |
| */ |
| boolean execute(String sql, String columnNames[]) throws SQLException; |
| |
| /** |
| * 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 or |
| * this method is called on a closed <code>Statement</code> |
| * |
| * @since 1.4 |
| */ |
| int getResultSetHoldability() throws SQLException; |
| |
| /** |
| * Retrieves whether this <code>Statement</code> object has been closed. A <code>Statement</code> is closed if the |
| * method close has been called on it, or if it is automatically closed. |
| * @return true if this <code>Statement</code> object is closed; false if it is still open |
| * @throws SQLException if a database access error occurs |
| * @since 1.6 |
| */ |
| boolean isClosed() throws SQLException; |
| |
| /** |
| * Requests that a <code>Statement</code> be pooled or not pooled. The value |
| * specified is a hint to the statement pool implementation indicating |
| * whether the application wants the statement to be pooled. It is up to |
| * the statement pool manager as to whether the hint is used. |
| * <p> |
| * The poolable value of a statement is applicable to both internal |
| * statement caches implemented by the driver and external statement caches |
| * implemented by application servers and other applications. |
| * <p> |
| * By default, a <code>Statement</code> is not poolable when created, and |
| * a <code>PreparedStatement</code> and <code>CallableStatement</code> |
| * are poolable when created. |
| * |
| * @param poolable requests that the statement be pooled if true and |
| * that the statement not be pooled if false |
| * |
| * @throws SQLException if this method is called on a closed |
| * <code>Statement</code> |
| * |
| * @since 1.6 |
| */ |
| void setPoolable(boolean poolable) |
| throws SQLException; |
| |
| /** |
| * Returns a value indicating whether the <code>Statement</code> |
| * is poolable or not. |
| * |
| * @return <code>true</code> if the <code>Statement</code> |
| * is poolable; <code>false</code> otherwise |
| * |
| * @throws SQLException if this method is called on a closed |
| * <code>Statement</code> |
| * |
| * @since 1.6 |
| * |
| * @see java.sql.Statement#setPoolable(boolean) setPoolable(boolean) |
| */ |
| boolean isPoolable() |
| throws SQLException; |
| |
| //--------------------------JDBC 4.1 ----------------------------- |
| |
| /** |
| * Specifies that this {@code Statement} will be closed when all its |
| * dependent result sets are closed. If execution of the {@code Statement} |
| * does not produce any result sets, this method has no effect. |
| * <p> |
| * <strong>Note:</strong> Multiple calls to {@code closeOnCompletion} do |
| * not toggle the effect on this {@code Statement}. However, a call to |
| * {@code closeOnCompletion} does effect both the subsequent execution of |
| * statements, and statements that currently have open, dependent, |
| * result sets. |
| * |
| * @throws SQLException if this method is called on a closed |
| * {@code Statement} |
| * @since 1.7 |
| */ |
| public void closeOnCompletion() throws SQLException; |
| |
| /** |
| * Returns a value indicating whether this {@code Statement} will be |
| * closed when all its dependent result sets are closed. |
| * @return {@code true} if the {@code Statement} will be closed when all |
| * of its dependent result sets are closed; {@code false} otherwise |
| * @throws SQLException if this method is called on a closed |
| * {@code Statement} |
| * @since 1.7 |
| */ |
| public boolean isCloseOnCompletion() throws SQLException; |
| |
| |
| //--------------------------JDBC 4.2 ----------------------------- |
| |
| /** |
| * 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. |
| * <p> |
| * This method should be used when the returned row count may exceed |
| * {@link Integer#MAX_VALUE}. |
| *<p> |
| * The default implementation will throw {@code UnsupportedOperationException} |
| * |
| * @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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #execute |
| * @since 1.8 |
| */ |
| default long getLargeUpdateCount() throws SQLException { |
| throw new UnsupportedOperationException("getLargeUpdateCount not implemented"); |
| } |
| |
| /** |
| * Sets the limit for the maximum number of rows that any |
| * <code>ResultSet</code> object generated by this <code>Statement</code> |
| * object can contain to the given number. |
| * If the limit is exceeded, the excess |
| * rows are silently dropped. |
| * <p> |
| * This method should be used when the row limit may exceed |
| * {@link Integer#MAX_VALUE}. |
| *<p> |
| * The default implementation will throw {@code UnsupportedOperationException} |
| * |
| * @param max the new max rows limit; zero means there is no limit |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code> |
| * or the condition {@code max >= 0} is not satisfied |
| * @see #getMaxRows |
| * @since 1.8 |
| */ |
| default void setLargeMaxRows(long max) throws SQLException { |
| throw new UnsupportedOperationException("setLargeMaxRows not implemented"); |
| } |
| |
| /** |
| * 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. |
| * <p> |
| * This method should be used when the returned row limit may exceed |
| * {@link Integer#MAX_VALUE}. |
| *<p> |
| * The default implementation will return {@code 0} |
| * |
| * @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 or |
| * this method is called on a closed <code>Statement</code> |
| * @see #setMaxRows |
| * @since 1.8 |
| */ |
| default long getLargeMaxRows() throws SQLException { |
| return 0; |
| } |
| |
| /** |
| * Submits a batch of commands to the database for execution and |
| * if all commands execute successfully, returns an array of update counts. |
| * The <code>long</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 executeLargeBatch} |
| * 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.getLargeUpdateCounts</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> |
| * This method should be used when the returned row count may exceed |
| * {@link Integer#MAX_VALUE}. |
| *<p> |
| * The default implementation will throw {@code UnsupportedOperationException} |
| * |
| * @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, |
| * this method is called on a closed <code>Statement</code> 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. |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * |
| * @see #addBatch |
| * @see DatabaseMetaData#supportsBatchUpdates |
| * @since 1.8 |
| */ |
| default long[] executeLargeBatch() throws SQLException { |
| throw new UnsupportedOperationException("executeLargeBatch not implemented"); |
| } |
| |
| /** |
| * 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. |
| * <p> |
| * This method should be used when the returned row count may exceed |
| * {@link Integer#MAX_VALUE}. |
| * <p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| *<p> |
| * The default implementation will throw {@code UnsupportedOperationException} |
| * |
| * @param sql an SQL Data Manipulation Language (DML) statement, |
| * such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @return either (1) the row count for SQL Data Manipulation Language |
| * (DML) statements or (2) 0 for SQL statements that return nothing |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the given |
| * SQL statement produces a <code>ResultSet</code> object, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.8 |
| */ |
| default long executeLargeUpdate(String sql) throws SQLException { |
| throw new UnsupportedOperationException("executeLargeUpdate not implemented"); |
| } |
| |
| /** |
| * 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. The driver will ignore the |
| * flag if the SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| * <p> |
| * This method should be used when the returned row count may exceed |
| * {@link Integer#MAX_VALUE}. |
| * <p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| *<p> |
| * The default implementation will throw {@code SQLFeatureNotSupportedException} |
| * |
| * @param sql an SQL Data Manipulation Language (DML) statement, |
| * such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @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 (1) the row count for SQL Data Manipulation Language (DML) statements |
| * or (2) 0 for SQL statements that return nothing |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the given |
| * SQL statement returns a <code>ResultSet</code> object, |
| * the given constant is not one of those allowed, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @exception SQLFeatureNotSupportedException if the JDBC driver does not support |
| * this method with a constant of Statement.RETURN_GENERATED_KEYS |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.8 |
| */ |
| default long executeLargeUpdate(String sql, int autoGeneratedKeys) |
| throws SQLException { |
| throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented"); |
| } |
| |
| /** |
| * 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. 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 SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| * <p> |
| * This method should be used when the returned row count may exceed |
| * {@link Integer#MAX_VALUE}. |
| * <p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| *<p> |
| * The default implementation will throw {@code SQLFeatureNotSupportedException} |
| * |
| * @param sql an SQL Data Manipulation Language (DML) statement, |
| * such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * |
| * @param columnIndexes an array of column indexes indicating the columns |
| * that should be returned from the inserted row |
| * @return either (1) the row count for SQL Data Manipulation Language (DML) statements |
| * or (2) 0 for SQL statements that return nothing |
| * |
| * @exception SQLException if a database access error occurs, |
| * this method is called on a closed <code>Statement</code>, the SQL |
| * statement returns a <code>ResultSet</code> object,the second argument |
| * supplied to this method is not an |
| * <code>int</code> array whose elements are valid column indexes, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.8 |
| */ |
| default long executeLargeUpdate(String sql, int columnIndexes[]) throws SQLException { |
| throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented"); |
| } |
| |
| /** |
| * 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. 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 SQL statement |
| * is not an <code>INSERT</code> statement, or an SQL statement able to return |
| * auto-generated keys (the list of such statements is vendor-specific). |
| * <p> |
| * This method should be used when the returned row count may exceed |
| * {@link Integer#MAX_VALUE}. |
| * <p> |
| * <strong>Note:</strong>This method cannot be called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code>. |
| *<p> |
| * The default implementation will throw {@code SQLFeatureNotSupportedException} |
| * |
| * @param sql an SQL Data Manipulation Language (DML) statement, |
| * such as <code>INSERT</code>, <code>UPDATE</code> or |
| * <code>DELETE</code>; or an SQL statement that returns nothing, |
| * such as a DDL statement. |
| * @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, |
| * this method is called on a closed <code>Statement</code>, the SQL |
| * statement returns a <code>ResultSet</code> object, the |
| * second argument supplied to this method is not a <code>String</code> array |
| * whose elements are valid column names, the method is called on a |
| * <code>PreparedStatement</code> or <code>CallableStatement</code> |
| * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method |
| * @throws SQLTimeoutException when the driver has determined that the |
| * timeout value that was specified by the {@code setQueryTimeout} |
| * method has been exceeded and has at least attempted to cancel |
| * the currently running {@code Statement} |
| * @since 1.8 |
| */ |
| default long executeLargeUpdate(String sql, String columnNames[]) |
| throws SQLException { |
| throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented"); |
| } |
| |
| // JDBC 4.3 |
| |
| /** |
| * Returns a {@code String} enclosed in single quotes. Any occurrence of a |
| * single quote within the string will be replaced by two single quotes. |
| * |
| * <blockquote> |
| * <table class="striped"> |
| * <caption>Examples of the conversion:</caption> |
| * <thead> |
| * <tr><th scope="col">Value</th><th scope="col">Result</th></tr> |
| * </thead> |
| * <tbody style="text-align:center"> |
| * <tr> <th scope="row">Hello</th> <td>'Hello'</td> </tr> |
| * <tr> <th scope="row">G'Day</th> <td>'G''Day'</td> </tr> |
| * <tr> <th scope="row">'G''Day'</th> |
| * <td>'''G''''Day'''</td> </tr> |
| * <tr> <th scope="row">I'''M</th> <td>'I''''''M'</td> |
| * </tr> |
| * |
| * </tbody> |
| * </table> |
| * </blockquote> |
| * @implNote |
| * JDBC driver implementations may need to provide their own implementation |
| * of this method in order to meet the requirements of the underlying |
| * datasource. |
| * @param val a character string |
| * @return A string enclosed by single quotes with every single quote |
| * converted to two single quotes |
| * @throws NullPointerException if val is {@code null} |
| * @throws SQLException if a database access error occurs |
| * |
| * @since 9 |
| */ |
| default String enquoteLiteral(String val) throws SQLException { |
| return "'" + val.replace("'", "''") + "'"; |
| } |
| |
| |
| /** |
| * Returns a SQL identifier. If {@code identifier} is a simple SQL identifier: |
| * <ul> |
| * <li>Return the original value if {@code alwaysQuote} is |
| * {@code false}</li> |
| * <li>Return a delimited identifier if {@code alwaysQuote} is |
| * {@code true}</li> |
| * </ul> |
| * |
| * If {@code identifier} is not a simple SQL identifier, {@code identifier} will be |
| * enclosed in double quotes if not already present. If the datasource does |
| * not support double quotes for delimited identifiers, the |
| * identifier should be enclosed by the string returned from |
| * {@link DatabaseMetaData#getIdentifierQuoteString}. If the datasource |
| * does not support delimited identifiers, a |
| * {@code SQLFeatureNotSupportedException} should be thrown. |
| * <p> |
| * A {@code SQLException} will be thrown if {@code identifier} contains any |
| * characters invalid in a delimited identifier or the identifier length is |
| * invalid for the datasource. |
| * |
| * @implSpec |
| * The default implementation uses the following criteria to |
| * determine a valid simple SQL identifier: |
| * <ul> |
| * <li>The string is not enclosed in double quotes</li> |
| * <li>The first character is an alphabetic character from a through z, or |
| * from A through Z</li> |
| * <li>The name only contains alphanumeric characters or the character "_"</li> |
| * </ul> |
| * |
| * The default implementation will throw a {@code SQLException} if: |
| * <ul> |
| * <li>{@code identifier} contains a {@code null} character or double quote and is not |
| * a simple SQL identifier.</li> |
| * <li>The length of {@code identifier} is less than 1 or greater than 128 characters |
| * </ul> |
| * <blockquote> |
| * <table class="striped" > |
| * <caption>Examples of the conversion:</caption> |
| * <thead> |
| * <tr> |
| * <th scope="col">identifier</th> |
| * <th scope="col">alwaysQuote</th> |
| * <th scope="col">Result</th></tr> |
| * </thead> |
| * <tbody> |
| * <tr> |
| * <th scope="row">Hello</th> |
| * <td>false</td> |
| * <td>Hello</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">Hello</th> |
| * <td>true</td> |
| * <td>"Hello"</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">G'Day</th> |
| * <td>false</td> |
| * <td>"G'Day"</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">"Bruce Wayne"</th> |
| * <td>false</td> |
| * <td>"Bruce Wayne"</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">"Bruce Wayne"</th> |
| * <td>true</td> |
| * <td>"Bruce Wayne"</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">GoodDay$</th> |
| * <td>false</td> |
| * <td>"GoodDay$"</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">Hello"World</th> |
| * <td>false</td> |
| * <td>SQLException</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">"Hello"World"</th> |
| * <td>false</td> |
| * <td>SQLException</td> |
| * </tr> |
| * </tbody> |
| * </table> |
| * </blockquote> |
| * @implNote |
| * JDBC driver implementations may need to provide their own implementation |
| * of this method in order to meet the requirements of the underlying |
| * datasource. |
| * @param identifier a SQL identifier |
| * @param alwaysQuote indicates if a simple SQL identifier should be |
| * returned as a quoted identifier |
| * @return A simple SQL identifier or a delimited identifier |
| * @throws SQLException if identifier is not a valid identifier |
| * @throws SQLFeatureNotSupportedException if the datasource does not support |
| * delimited identifiers |
| * @throws NullPointerException if identifier is {@code null} |
| * |
| * @since 9 |
| */ |
| default String enquoteIdentifier(String identifier, boolean alwaysQuote) throws SQLException { |
| int len = identifier.length(); |
| if (len < 1 || len > 128) { |
| throw new SQLException("Invalid name"); |
| } |
| if (Pattern.compile("[\\p{Alpha}][\\p{Alnum}_]*").matcher(identifier).matches()) { |
| return alwaysQuote ? "\"" + identifier + "\"" : identifier; |
| } |
| if (identifier.matches("^\".+\"$")) { |
| identifier = identifier.substring(1, len - 1); |
| } |
| if (Pattern.compile("[^\u0000\"]+").matcher(identifier).matches()) { |
| return "\"" + identifier + "\""; |
| } else { |
| throw new SQLException("Invalid name"); |
| } |
| } |
| |
| /** |
| * Retrieves whether {@code identifier} is a simple SQL identifier. |
| * |
| * @implSpec The default implementation uses the following criteria to |
| * determine a valid simple SQL identifier: |
| * <ul> |
| * <li>The string is not enclosed in double quotes</li> |
| * <li>The first character is an alphabetic character from a through z, or |
| * from A through Z</li> |
| * <li>The string only contains alphanumeric characters or the character |
| * "_"</li> |
| * <li>The string is between 1 and 128 characters in length inclusive</li> |
| * </ul> |
| * |
| * <blockquote> |
| * <table class="striped" > |
| * <caption>Examples of the conversion:</caption> |
| * <thead> |
| * <tr> |
| * <th scope="col">identifier</th> |
| * <th scope="col">Simple Identifier</th> |
| * </thead> |
| * |
| * <tbody> |
| * <tr> |
| * <th scope="row">Hello</th> |
| * <td>true</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">G'Day</th> |
| * <td>false</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">"Bruce Wayne"</th> |
| * <td>false</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">GoodDay$</th> |
| * <td>false</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">Hello"World</th> |
| * <td>false</td> |
| * </tr> |
| * <tr> |
| * <th scope="row">"Hello"World"</th> |
| * <td>false</td> |
| * </tr> |
| * </tbody> |
| * </table> |
| * </blockquote> |
| * @implNote JDBC driver implementations may need to provide their own |
| * implementation of this method in order to meet the requirements of the |
| * underlying datasource. |
| * @param identifier a SQL identifier |
| * @return true if a simple SQL identifier, false otherwise |
| * @throws NullPointerException if identifier is {@code null} |
| * @throws SQLException if a database access error occurs |
| * |
| * @since 9 |
| */ |
| default boolean isSimpleIdentifier(String identifier) throws SQLException { |
| int len = identifier.length(); |
| return len >= 1 && len <= 128 |
| && Pattern.compile("[\\p{Alpha}][\\p{Alnum}_]*").matcher(identifier).matches(); |
| } |
| |
| /** |
| * Returns a {@code String} representing a National Character Set Literal |
| * enclosed in single quotes and prefixed with a upper case letter N. |
| * Any occurrence of a single quote within the string will be replaced |
| * by two single quotes. |
| * |
| * <blockquote> |
| * <table class="striped"> |
| * <caption>Examples of the conversion:</caption> |
| * <thead> |
| * <tr> |
| * <th scope="col">Value</th> |
| * <th scope="col">Result</th> |
| * </tr> |
| * </thead> |
| * <tbody> |
| * <tr> <th scope="row">Hello</th> <td>N'Hello'</td> </tr> |
| * <tr> <th scope="row">G'Day</th> <td>N'G''Day'</td> </tr> |
| * <tr> <th scope="row">'G''Day'</th> |
| * <td>N'''G''''Day'''</td> </tr> |
| * <tr> <th scope="row">I'''M</th> <td>N'I''''''M'</td> |
| * <tr> <th scope="row">N'Hello'</th> <td>N'N''Hello'''</td> </tr> |
| * |
| * </tbody> |
| * </table> |
| * </blockquote> |
| * @implNote |
| * JDBC driver implementations may need to provide their own implementation |
| * of this method in order to meet the requirements of the underlying |
| * datasource. An implementation of enquoteNCharLiteral may accept a different |
| * set of characters than that accepted by the same drivers implementation of |
| * enquoteLiteral. |
| * @param val a character string |
| * @return the result of replacing every single quote character in the |
| * argument by two single quote characters where this entire result is |
| * then prefixed with 'N'. |
| * @throws NullPointerException if val is {@code null} |
| * @throws SQLException if a database access error occurs |
| * |
| * @since 9 |
| */ |
| default String enquoteNCharLiteral(String val) throws SQLException { |
| return "N'" + val.replace("'", "''") + "'"; |
| } |
| } |