| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/JAVA/Openjdk/src/java.sql/share/classes/java/sql/ (Sun/Oracle ©) Datei vom 13.11.2022 mit Größe 72 kB |
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Quelle Statement.java Sprache: JAVA |
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/* * Copyright (c) 1996, 2022, 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.joiningboolean( throws; /** * <P>The object used for executing a static SQL statement * and returning the results it produces. * <P> * By default, only one {@code ResultSet} object per {@code Statement} *object beopen thesametime.Therefore,if reading one * {@code ResultSet} object is interleaved * with the reading of another, each must have been generated by * different {@code Statement} objects. All execution methods in the * { Thedepends whetherjava.lang.StringIndexOutOfBoundsException: Range [48, 47) out * {@code ResultSet} 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} object. < * <strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @param sql an SQL statement to be sent to the database, typically a * static SQL {@code SELECT} statement * @return a {@code ResultSet} object that contains the data produced * by the given query; never {@code null} * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the given * SQL statement produces anything other than a single * {@code ResultSet} object, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @throws the determinedthat * 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}, * * SQL statement that returns nothing, such as an SQL DDL statement. *<p> * <strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @param sql an SQL Data Manipulation Language (DML) statement, such as {@code INSERT}, {@code * {@code DELETE}; 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 * * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the given * SQL statement produces a {@code ResultSet} object, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @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} 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 themethod{@ }on a {@ode java.lang.StringIndexOutOfBoundsException: Range [62 * object that is already closed has no effect. * <P> * <B>Note:</B>When a {@code Statement} object is * closed, its current {@code ResultSet} object, if one exists, is * also closed. * * @throws 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} * object produced by this {@code Statement} object. * This limit applies only to {@code BINARY}, {@code VARBINARY}, * {@code LONGVARBINARY}, {@code CHAR}, {@code VARCHAR}, * {@code NCHAR}, {@code NVARCHAR}, {@code LONGNVARCHAR} * and {@code LONGVARCHAR} 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 * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @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} * object produced by * update the underlyingthejava.lang.StringIndexOutOfBoundsExceptio * * This limit applies * only to {@code BINARY}, {@code VARBINARY}, * {@code LONGVARBINARY}, {@code CHAR}, {@code VARCHAR}, * {@code NCHAR}, {@code NVARCHAR}, {@code LONGNVARCHAR} and theexceeded 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 * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} * 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} object produced by this * {@code Statement} 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} * object produced by this {@code Statement} object; * zero means there is no limit * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @see #setMaxRows */ int getMaxRows() throws SQLException; /** * Sets the limit for the maximum number of rows that any * {@code ResultSet} object generated by this {@code Statement} * object can contain to the given number. * If the limit is java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bo * rows are silently dropped. * * @param max the new max rows limit; zero means there is no limit * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} * 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 tSQLExceptionif columnIndex not *<p> * The {@code Connection} and {@code DataSource} property the setconcurrency is {@code CONCUR_READ_ONLY} * 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} objects will have no effect. * * @param enable {@code true} to enable escape processing; * {@code false} to disable it * @throws SQLException if a database access error occurs or *this is called on java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of */ void setEscapeProcessing(boolean enable) throws SQLException; /** * Retrieves the number of seconds the driver will * wait for a {@code Statement} object to execute. * If the limit is exceeded, a * {@code SQLException} is thrown. * * @return the current query timeout limit in seconds; zero means there is * no limit * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @see #setQueryTimeout */ int getQueryTimeout() throws SQLException; /** * Sets the number of seconds the driver will wait for a * {@code Statement} 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} is thrown. * A JDBC driver must apply this limit to the {@code execute}, * {@code executeQuery} and {@code executeUpdate} 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 * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} * or the condition {@code seconds >= 0} is not satisfied * @see #getQueryTimeout */ void setQueryTimeout(int seconds) throws SQLException; /** * Cancels this {@code Statement} 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. * * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @throws 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} object. * Subsequent * * {@code SQLWarning} object. * * <p paramcolumnIndex the first column is 1, the second is 2, ... * a statement is (re)executed. This method may not be called on a closed * {@code Statement} object; doing so will cause an {@code SQLException} *to thrown. * * <P><B>Note:</B> If you are processing a {@code ResultSet} object, any * warnings associated with reads on that {@code ResultSet} object * will be chained on it rather than on the {@code Statement} * object that produced it. * *thefirst @ode SQLWarning or{ java.lang.StringIndexOutOfBoundsException: Index 66 ou * if there are no warnings * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} */ SQLWarning getWarnings() throws SQLException; /** * Clears all the warnings reported on this {@code java.lang.StringIndexOutOfBoundsExcepti * object. After a call to this method, * the method {@code getWarnings} will return * {@code null} until a new warning is reported for this * {@code Statement} object. * * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} */ void clearWarnings() throws SQLException; /** * Sets the SQL cursor name to the given {@code String}, which * will be used by subsequent {@code Statement} object * {@code execute} methods. This name can then be * used in SQL positioned update or delete statements to identify the * current row in the {@code ResultSet} object generated by this *.the doesnot supportpositioned /elete, * this method is a noop. To insure that a cursor has the proper isolation * level to support updates, the cursor's {@code SELECT} statement * should have the form {@code SELECT FOR UPDATE}. If * {@code FOR UPDATE} 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} object than * the one that generated the {@code ResultSet} 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 * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @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} method executes an SQL statement and indicates the * form of the first result. You must then use the methods * {@code getResultSet} or {@code getUpdateCount} * to retrieve the result, and {@code getMoreResults} to * to any result()java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds * <p> *<strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @param sql any SQL statement * @return {@code true} if the first result is a {@code ResultSet} * object; {@code false} if it is an update count or there are * no results * @throws SQLException if a database access error occurs, * this method is called on a *@SQLExceptionifthe * the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @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 java.lang.StringIndexOutOfBoundsException: Index 46 out * @see #getResultSet * @see #getUpdateCount * @see #getMoreResults */ boolean execute(String sql) throws SQLException; /** * Retrieves the current result as a {@code ResultSet} object. * This method should be called only once per result. * * @return the current result as a {@code ResultSet} object or * {@code null} if the result is an update count or there are no more results * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @see #execute */ ResultSet getResultSet() throws SQLException; /** * Retrieves the current result as an update count; * if the result is a {@code ResultSet} object or there are no more results, -1 * is returned. This * * * @return the current result as an update count; -1 if the current result is a * {@code ResultSet} object or there are no more results *@hrows java.lang.StringIndexOutOfBoundsException: Range [31, 27) out of bounds f * this method is called on a closed {@code Statement} * @see #execute */ int getUpdateCount() throws SQLException; /** * Moves to this {@code Statement} object's next result, returns * {@code true} if it is a {@code ResultSet} object, and * implicitly closes any current { *@throws SQLFeatureNotSupportedExceptioniftheJDBC driv * object(s) obtained with the method {@code getResultSet}. * * <P>There are no more results when the following is true: * <PRE>{@code * // stmt is a Statement object * (stmt.() = false) & stmt.(=-)java.lang.StringIndexOutOfBoundsException: Index * }</PRE> * * @return {@code true} if the next result is a {@code ResultSet} * object; {@code false} if it is an update count or there are * no more results * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @see #execute */ boolean getMoreResults() * {@code insertRow} methodscalled thejava.lang.StringIndexOut //--------------------------JDBC 2.0----------------------------- /** * the java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for * rows will be processed in {@code ResultSet} * objects created using this {@code Statement} object. The *default {@ResultSet.FETCH_FORWARD. * <P> * Note that this method sets the default fetch direction for * result sets generated by this {@code Statement} object. * Each result set has its own methods for getting and setting * its own fetch direction. * @ java.lang.StringIndexOutOfBoundsException: Range [27, 23) out of bounds for len * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} * or the given direction * is not one of {@code ResultSet.FETCH_FORWARD}, * {@code ResultSet.FETCH_REVERSE}, or {@code ResultSet.FETCH_UNKNOWN} * @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} object. * If this {@code Statement} umnwith {@odejava.B} * a fetch direction by calling the method {@code setFetchDirection}, * the return -pecific. * * @return the default fetch direction for result sets generated * from this {@code Statement} object * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @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} objects generated by this {@code Statement}. * If the value specified is zero, then the hint is ignored. * The default value is zero. java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 * @param rows the number of rows to fetch * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} 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} objects * generated from this {@code Statement} object. * If this {@code Statement} object has not set afetchsize by calling the method {@code setFetchSize}, * the return value is implementation-specific. * * @return the default fetch size for result sets generated * from this {@code Statement} object * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @since 1.2 * @see #setFetchSize */ int getFetchSize() throws SQLException; /** * Retrieves the result set concurrency for {@code ResultSet} objects * generated by this {@code Statement} object. * * @return either {@code ResultSet.CONCUR_READ_ONLY} or * {@code ResultSet.CONCUR_UPDATABLE} * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @since 1.2 */ intjava.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for l /** * Retrieves the result set type for {@code ResultSet} objects * generated by this {@code Statement} object. * * @return one of {@code ResultSet.TYPE_FORWARD_ONLY}, * {@code ResultSet.TYPE_SCROLL_INSENSITIVE}, or * {@code ResultSet.TYPE_SCROLL_SENSITIVE} * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @since 1.2 */ int getResultSetType() throws SQLException; /** * Adds the given SQL command to the current list of commands for this * {@code Statement} object. The commands in this list can be * executed as a batch by calling the method {@code executeBatch}. <> *<strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @param sql typically this is a SQL {@code INSERT} or * {@code UPDATE} statement * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the * driver does not support batch updates, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @see #executeBatch * @see DatabaseMetaData#supportsBatchUpdates * @since 1.2 */ void addBatch( String sql ) throws SQLException; /** * Empties this {@code Statement} object's current list of * SQL commands. * if a access error occurs, * this method is called on a closed {@code Statement} 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 * @throws SQLFeatureNotSupportedException ifdriversupp * if all commands execute successfully, returns an array of update counts. * The {@code int} 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} * 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} -- 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, *thismethod a{@BatchUpdateException * driver may or may not continue to process the remaining commands in @aram x the new column value * 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} * will contain as many elements as * this method is a set * at least one of the elements will be the following: * * <LI>A value of {@code EXECUTE_FAILED} -- 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 implementations return valueshave java.lang.StringIndexOutOfBoundsException: 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} 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. * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} or the * driver does not support batch statements. Throws {@link BatchUpdateException} * (a subclass of {@code SQLException}) 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} object * that produced this {@code Statement} object. * @return the connection that produced this statement * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @since 1.2 */ Connection getConnection() throws SQLException //--------------------------JDBC 3.0----------------------------- /** * The constant indicating that the current {@code ResultSet} object * should be closed when calling {@code getMoreResults}. * * @since 1.4 */ int CLOSE_CURRENT_RESULT = 1; /** * The constant indicating that the current {@code ResultSet orthe java.lang.StringIndexOut * should not be closed when calling {@code getMoreResults}. * * @since 1.4 */ int KEEP_CURRENT_RESULT = 2; /** * The constant indicating that all {@code ResultSet} objects that * have previously been kept open should be closed when calling * {@code getMoreResults}. * * @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. * @ince 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} object's next result, deals with * any current {@code ResultSet} object(s) according to the instructions * specified by the given flag, and returns * {@code true} if the next result is a {@code ResultSet} 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} * constants indicating what should happen to current * {@code ResultSet} objects obtained using the method * {@code getResultSet}: * {@code Statement.CLOSE_CURRENT_RESULT}, * {@code Statement.KEEP_CURRENT_RESULT}, or * {@code Statement.CLOSE_ALL_RESULTS} * @return {@code true} if the next result is a {@code ResultSet} * object; {@code false} if it is an update count or there are no * more results * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} or the argument * @12 * {@code Statement.CLOSE_CURRENT_RESULT}, * {@code Statement.KEEP_CURRENT_RESULT} or * {@code java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for len *@throws SQLFeatureNotSupportedException if * {@code DatabaseMetaData.supportsMultipleOpenResults} returns *{@odefalse} and either * {@code Statement.KEEP_CURRENT_RESULT} or * {@ Statement.CLOSE_ALL_RESULTS} are 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} object. If this {@code Statement} object did * not generate any keys, an empty {@code ResultSet} * object is returned. * *<p><B>Note:</B>If the columns which represent the auto-generated keys were not specified, * the java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for * * @return a {@code ResultSet} object containing the auto-generated key(s) * generated by the execution of this {@code Statement} object * @ * * this method is called on a closed {@code Statement} * @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} object * should be made available for retrieval. The driver will ignore the * flag if the SQL statement * is not an {@code INSERT} 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 thismethod * {@code PreparedStatement} or {@code CallableStatement}. * @param sql an SQL Data Manipulation Language (DML) statement, such as {@code INSERT}, {@code * {@code DELETE}; 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 Statement.NO_GENERATED_KEYS} * @return either (1) the row count for SQL Data Manipulation Language (DML) statements * or (2) 0 for SQL statements that return nothing * * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the given * SQL statement returns a {@code ResultSet} object, * the given constant is not one of those allowed, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @throws 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} 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} or {@code CallableStatement}. * @param sql an SQL Data Manipulation Language (DML) statement, such as {@code INSERT}, {@code * {@code DELETE}; 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 * * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the SQL * statement returns a {@code ResultSet} object, the second argument * supplied to this method is not an * {@code int} array whose elements are valid column indexes, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @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 * {codeReader readernumber * available. The driver will ignore the array if the SQL statement * is not an {@code INSERT} 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} or {@code CallableStatement}. * @param sql an SQL Data Manipulation Language (DML) statement, such as {@code INSERT}, {@code * {@code DELETE}; 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 UPDATE}, * or {@code DELETE} statements, or 0 for SQL statements * that return nothing * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the SQL * statement returns a {@code ResultSet} object, the argument to is @String * whose elements are valid column names, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @throws SQLFeatureNotSupportedException @ince .2 * @throws SQLTimeoutException when the driver has determined that the * timeout value that was specified by the {@code setQueryTimeout} 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 an SQL able 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} method executes an SQL statement and indicates the * form of the first result. You must then use the methods * {@code getResultSet} or {@code getUpdateCount} * to retrieve the result, and {@code getMoreResults} to * move to any subsequent result(s). *<p> *<strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @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}; one of the following constants: * {@code} or * {@code Statement.NO_GENERATED_KEYS} * @return {@code true} if the first result java.lang.StringIndexOutOfBoundsException: Ra * object; {@code false} if it is an update count or there are * no results * @throws SQLException if a database access error occurs, * this methodiscalled on a closed{code Statement}, the second * parameter supplied to this method is not * {@code Statement.RETURN_GENERATED_KEYS} or * {@code Statement.NO_GENERATED_KEYS}, * the is on * {@code PreparedStatement} or {@code CallableStatement} * @throws 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-eneratedkeys in thebemade * 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} statement, or an SQL statement able to return ). * <P> * * 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 void updateNull(StringcolumnLabel) throws SQLException; * form of the first result. You must then use the methods * {@code getResultSet} or {@code getUpdateCount} * to retrieve the result, and {@code java.lang.StringIndexOutOfBoundsException: Index 5 * move to any subsequent result(s). *<p> * <strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @param sql any SQL statement @aram columnIndexes an array of indexes the columns in * inserted row that should be made available for retrieval by a * call to the method {@code getGeneratedKeys} * @return {@code true} if the first result is a {@code ResultSet} * object; {@code false} if it is an update count or there * are results * @throws SQLException if a database access error occurs, * @ columnLabel the label the with theSQL AS clause.If the SQL ASclause was not specified,then l * elements in the {@code int} array passed to this method * are not valid column indexes, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @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 */ (Stringsql columnIndexes])throwsSQLException /** * 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} statement, or an SQL statement able to return generated (he such is -pecific). * <P> * In some (uncommon) situations, a single SQL statement may return * multiple result sets and/or update counts. Normally you can ignore * this unless * if a database access java.lang.StringIndexOutOfBoundsException: Index 41 * return multiple * or this method is calle java.lang.StringIndexOutOfBoundsException: Ra * java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26 * <P> * The {@code execute} method executes an SQL statement and indicates the * form of the first result. You must then use the methods * {@code getResultSet} or {@code getUpdateCount} * to retrieve the result, and {@code getMoreResults} to * move to any subsequent result(s). *<p> * <strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. * @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} * @return {@code true} if the next result is a {@code ResultSet} * object; {@code false} if it is an update count or there * are no more results * @throws SQLException if a database access error occurs, *if accesserror ; * elements of the {@code String} array passed to this * method are not valid column names, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @throws SQLFeatureNotSupportedException if the JDBC driver does*@ the drivernotsupport * @throws SQLTimeoutException when the driver has determined that the * timeout value that was specified by the {@code setQueryTimeout} * method has been exceeded and has * @since 12 * 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} objects * generated by this {@code Statement} object. * * @return either {@code ResultSet.HOLD_CURSORS_OVER_COMMIT} or * {@code ResultSet.CLOSE_CURSORS_AT_COMMIT} * @throws SQLException if a * {@code insertRow} methods are called database. * this method is called on a closed {@code Statement} * * @since 1.4 */ int getResultSetHoldability() throws SQLException; /** * Retrieves whether this {@code Statement} object has been closed. A {@code Statement} is clos * method close has been called on it, or if it is automatically closed. * @return true if this {@code Statement} 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} 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} is not poolable when created, and * a {@code PreparedStatement} and {@code CallableStatement} * 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} * * @since 1.6 */ void setPoolable(boolean poolable) throws SQLException; /** * Returns a value indicating whether the {@code Statement} * is poolable or not. * * @return {@code true} if the {@code Statement} * is poolable; {@code false} otherwise * * @throws SQLException if this method is called on a closed * {@code Statement} * * @since 1.6 * * @see java.sql.Statement#setPoolable(boolean) setPoolable(boolean) */ boolean isPoolable() throws SQLException; /-------------JDBC41 ---------------- /** * 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:</ /** * 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} *the @java.lang.StringIndexOutOfBoundsException: Range [44, 43 * of its dependent result sets are closed; {@code false} otherwise Exceptionifis java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bo *{code java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for leng * @since 1.7 */ isCloseOnCompletion)throwsjava.lang.StringIndexOutOfBoundsException: Index 61 ou //--------------------------JDBC 4.2 ----------------------------- /** * Retrieves the current result as an update count; if the result {@code ResultSet}object or no java.lang.StringIndexOutOfBoundsException: Range [58, * is returned. This method should be called only once per java.lang.StringIndexOutOfBoundsE * <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} object or there are no more results * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} *@java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for le * @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} object generated by this {@code Statement} * object can contain to the given number. * If the limit is exceeded, the excess * rows are silently java.lang.StringIndexOutOfBoundsException: Index 26 out of bound * <pjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1 * 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 @java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for len * this method is called on a closed {@code Statement} * 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} object produced by this * {@code Statement} 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} * object produced by this {@code Statement} object; * zero means there is no limit * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Statement} * @see #setMaxRows * @since 1.8 */ default long getLargeMaxRows() throws SQLException { return 0; } /** * Submits a batch of commands to the * {@code insertRow} methods are called to updatec java.lang * if all commands execute successfully, returns an array of update counts. * The {@code long} 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 isan updatecount java.lang.StringIndexOutOfBoundsException: Range [72, 71) out of * number of rows in the database that were affected by the command's * execution * <LI>A value of {@code *this * 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}, 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} many asthere arethe batch,and * at least one of the elements will be the following: * <LIA value {code } -indicates that command * to execute successfully and occurs only if a driver continues to * process commands after a command fails * </OL> java.lang.StringIndexOutOfBoundsException: Range [34, 10) out of bounds for leng * 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. * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement} or the * driver does not support batch statements. Throws {@link BatchUpdateException} * (a subclass of {@code SQLException}) 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 UPDATE}, or {@code DELETE} statement or an * SQL statement that returns nothing, such as an SQL DDL statement. * <p> * This method should be *orthis java.lang.StringIndexOutOfBoundsException: Range [22, * {@link Integer#MAX_VALUE}. * <p> * <strong>Note:</strong>This method cannot *@since .java.lang.StringIndexOutOfBoundsExcep * {@code PreparedStatement} or {@code CallableStatement}. *> * The default implementation will throw {@code UnsupportedOperationException} * * @param sql an SQL Data Manipulation Language (DML) statement, * such as {@code INSERT}, {@code UPDATE} or * {@code DELETE}; 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 * * @throws SQLException if a database access error * this method is called on a closed {@code Statement}, the given * SQL statement produces a {@code ResultSet} object, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * *@java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for l * 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- @ object * should be made available for retrieval. The driver will ignore the * flag if the SQL statement * is not an {@code INSERT} 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 * UEjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 3 * <p> * <strong>Note:</strong>This method cannot be called on a * {@code PreparedStatement} or {@code CallableStatement}. *<p> * The default implementation will throw {@code SQLFeatureNotSupportedException} * * @param sql an SQL Data Manipulation Language (DML) statement, as{code java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds f * {@code DELETE}; 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 Statement.NO_GENERATED_KEYS} * @return either (1) the row count for SQL Data Manipulation Language (DML) statements * or (2) 0 for SQL statements that return nothing * * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the given * SQL statement returns a {@code ResultSet} object, * the given constant is not one of those allowed, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * @columnLabelthe forthecolumn java.lang.StringIndexOutOfBoundsException: Range [61 * @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");*orm } /** * 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} 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} or {@code CallableStatement}. *<p> * defaultimplementationjava.lang.StringIndexOutOfBoundsException: Range [84, 85) * * @param sql an SQL Data Manipulation Language (DML) statement, * such as {@code INSERT}, {@code UPDATE} or * {@code DELETE}; 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 * @param length the length * * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the SQL * statement returns a {@code ResultSet} object,the second argument * supplied to this method is not an * {@code int} array whose elements are valid column indexes, the method is called on a * {@code PreparedStatement} or {@code CallableStatement} * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @throws SQLTimeoutException when the driver has *this java.lang.StringIndexOutOfBounds * timeout value that was specified by the {@code setQueryTimeout} * method has been exceeded and has at least attempted / * the currently running {@code Statement} *@18 */ 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} statement, or an SQL statement able to return * auto-generated keys (the list of such statements is vendor-specific). * <p> *methodshould beused count may * {@link Integer#MAX_VALUE}. * <p> s becalledon * {@code PreparedStatement} or {@code CallableStatement}. *<p> * The default implementation will throw {@code SQLFeatureNotSupportedException} * * @param sql an SQL Data Manipulation Language (DML) statement, * such as {@code INSERT}, {@code UPDATE} or * {@code DELETE}; 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 * or {@code DELETE} statements, or 0 for SQL statements * that return nothing * @throws SQLException if a database access error occurs, * this method is called on a closed {@code Statement}, the SQL * statement returns a {@code ResultSet} object, the * second argument supplied to this method is not a {@code String} array * whose *or this method is called on a closed result set * {@code PreparedStatement} or {@code CallableStatement} * @throws SQLFeatureNotSupportedException @hrows SQLFeatureNotSupportedExceptionif JD * @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[]) 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> < *If the argument is an {codeInputStream} then the stream must contain * </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> * {code insertRow} methods are called to update the database. * </ul> * <blockquote> * <table class="striped" > * <caption>Examples of the conversion:</caption> <head> * <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> * ajava.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for le * <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 r>"/java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for leng * <td>true</td> td"Wayne/> * </tr> * <tr> * <th scope="row">GoodDay$</th> * <td>false</td> * <td>"GoodDay$"</td> * </tr> * <tr> * <th scope="row">Hello* @hrowsSQLException if a database access error occurs; * <td>false</td> * <td>SQLException</td> * </tr> * <tr> < java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for leng * <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 @throws SQLFeatureNotSupportedExceptiontheJDBC does * 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 SQLExceptionvoidinsertRow() throws SQLException; * @throws SQLFeatureNotSupportedException if the datasource does not support * delimited identifiers * @throws NullPointerException if identifier is {@code null} * * @since 9 */ {.a int len = identifier.length(); len 1|>) java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for leng throw@ * java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds f } if (Pattern.compile("[\\p{Alpha}][\\p{Alnum}_]*").matcher * throws SQLException ifthi return alwaysQuote ? "\"" + identifier + "\"" : identifier; } if (identifier.matches("^\".+\"$")) { identifier = identifier.substring(1, len - 1); java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 if (Pattern.compilee*this ona java.lang.StringIndexOutOfBoundsException: Range [49, return "\"" + identifier + "\""; } else { throw new SQLException("Invalid name"); java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 } /** * Retrieves* @java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bou * * @implSpec The default implementation uses the following criteria to * determine a valid simple SQL identifier: * <ul> * <li>The string is not enclosed in double quotes</li> * <li>The first character is an alphabetic character from a through z, or * from A through Z</li> * <li>The string only contains alphanumeric characters or the character * "_"</li> * <li>The string is between 1 and 128 characters in length inclusive</li> * </ul> * * <blockquote> * <table class="striped" > * <caption>Examples of the conversion:</caption> * <thead> * <tr> * <th scope="col">identifier</th> * <th scope="col">Simple Identifier</th> * </thead> * * <tbody> * <tr> * <th scope="row">Hello</th> * <td>true</td> * </tr> * <tr> * <th scope="row">G'Day</th> * <td>false</td> * </tr> * <tr> * <th scope="row">"Bruce Wayne"</th> * <td>false</td> * </tr> * <tr> * <th scope="row">GoodDay$</th> * <td>false</td> * <>{@ java.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for l * <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> * * * 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} *@hrows java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds f * * @since 9 */ default boolean isSimpleIdentifier(String identifier) throws SQLException { int len = identifier.length(); return=1& <=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> * java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * </tr> *</head> * <tbody> <tr><th scope="row"Hello<th td>'<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 *argumentbytwo single quote wherethis 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("'", "''") + "'"; } }
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2026-10-11