/* * Copyright ( c ) 1996 , 2022 , Oracle and / or its affiliates . All rights reserved . * DO NOT java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 * * 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 * the result set concurrency is { CONCUR_READ_ONLY * 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 } object per { @ code Statement } * object can be open at the same time . Therefore , if the reading of 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 * { @ code Statement } interface implicitly close a current * { @ 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 . * < p > * < 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 @ 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 * { @ 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 moveToCurrentRow ( ) throws SQLException ; throws SQLException;/** * Executes the given SQL statement , which may be an { @ code INSERT } , * { @ code UPDATE } , or { * * * SQL statement that returns nothing , such as an SQL DDL statement . * < 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 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 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 * value that was java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70has at 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 the method { @ code close } on a { @ code Statement } * 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 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 } 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 * @ throws SQLException if a database access error occurs , * this method is called on a closed { * @ param the column is 1 , the second is 2 , . . java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 * 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;/*** for the maximum 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 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 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 } 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 method is called on a closed { @ code Statement } 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 . java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 * @ 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 } java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 * < p > * < strong > Note : < / strong > JDBC driver implementations may also apply this @ aram columnIndex the first column is 1 , the second is 2 . java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 * ( 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 * @ SQLFeatureNotSupportedException if JDBC driver does not * @ 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 Statement } object warnings will be chained to this * { @ code SQLWarning } 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 } object so will cause an { @ ode SQLException } * to be 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 . * * @ return the first { @ code SQLWarning } object or { @ code null } * if there are no warnings * @ throws SQLException if a database access error occurs or * this method is called on a closed { @ code Statement } throws SQLException;this {@code Statement}this method,return null } until a new warning is reported for this 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 * 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 } 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 Blob getBlob ( int columnIndex ) throws SQLException ; * < 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 * @ return { @ code true * Retrieves the value of the designated column in the current row * 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 closed { @ code Statement } , * the method is called on a ment } * @ 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 # 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 null } if the result is an 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 throws SQLException;/**te count ; * if the result is a { @ code ResultSet } object or there are no more results , - 1 * is returned . This method should be called only once per result . * an update count ; - if the current result a * { @ code ResultSet } object or there are no more results * @ throws SQLException if a database * @ throws SQLFeatureNotSupportedException the JDBC does not support * 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 { @ code ResultSet } * 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 . getMoreResults ( ) = = ws SQLException java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 * } < / 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 } 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 } * objects created using this { @ code Statement } object . The * default value is { @ code 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 . * * @ param direction the initial direction * code ARRAY } value in the specified column * @ 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 } object has not set * a fetch direction by calling the method { @ code setFetchDirection } , * the return value is implementation - specific . * * @ 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;/** the JDBC driver a 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 . * * @ 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;default for {@code ResultSet} objectsthis {@code Statement} object.If this {@code Statement} object has not setreturn value implementation-pecificreturn the default fetch size for result sets generatedthis {@code Statement} objectthrows SQLException if a database access error occurs orthis method is called on a closed {@code Statement}1 .2 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 int getResultSetConcurrency() throws SQLException;/** * Retrieves the result set type for @ aram java Map object that java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74 * generated by this { @ code Statement } object . * * @ return one of { @ code ResultSet . TYPE_FORWARD_ONLY } , * { @ code ResultSet . TYPE_SCROLL_INSENSITIVE } , or * @ throws SQLException if a database access error occurs or * this method is called on a closed { @ code Statement } * @ since 1 . 2 int getResultSetType *@ SQLException columnLabel notjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60/** * 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 } . * < P > * < strong > Note : < / strong > This method cannot be called on a * { @ code PreparedStatement } or { @ code CallableStatement } . * @ param sql typically this is a * @ . java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17 * { @ code UPDATE } statement * Object getObject ( String columnLabel java . util Map String , Class ? > map ) * 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 . * * @ throws SQLException if a database 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;for execution andif all commands execute successfully, returns an array of update counts.int } elements of the array that is returned are ordered's If one of the commands in a batch update fails to execute properly,continue to process the remaining commands in's behavior must be consistent with a If the driver continues processingif a driver continues toreturn values have been modified in2 SDK, Standard Edition, version 1 .3 tondex 74 out of bounds for length 74throws SQLException;return an array of update counts containing one element for eachthrows SQLException if a database access error occurs,this method is called on a closed {@code Statement} or theThrows {@link BatchUpdateException}if return a result set.throws SQLTimeoutException when the driver has determined that the/** * 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 throws SQLException;//--------------------------JDBC 3.0----------------------------- /** * The constant indicating that the current { @ code ResultSet @ param columnLabel the label for the column SQL AS clause . If SQL AS was not specified , then the label is the of column * should be closed when calling { @ code getMoreResults } . * * @ since 1 . 4 int CLOSE_CURRENT_RESULT = 1 ;/** * The constant indicating that the current { @ code ResultSet } object * should not be closed when calling { @ code getMoreResults } . * * @ since 1 . 4 int KEEP_CURRENT_RESULT = 2 ;/** * The * this method result java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54 * 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 . * * @ since 1 . 4 int SUCCESS_NO_INFO = -2 ;/** The indicating an occurred while executing java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 * 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 * in programming language * available for retrieval . * int NO_GENERATED_KEYS = 2 ;/*** this @ } object s next result , java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71 * any current { @ code ResultSet } object ( s ) according to the instructions * specified by given flag java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47 * * value in column * * < 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 } : * * this method * { @ code Statement . KEEP_CURRENT_RESULT } , or * { @ code * @ 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 * supplied is not one of the following : * { @ code Statement . CLOSE_CURRENT_RESULT } , * { @ code Statement * { @ code Statement . CLOSE_ALL_RESULTS } * @ throws SQLFeatureNotSupportedException if * { @ code DatabaseMetaData . supportsMultipleOpenResults } returns lse java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31* { code . KEEP_CURRENT_RESULT } or * { @ code Statement . CLOSE_ALL_RESULTS } are supplied as * the argument . * @ since 1 . 4 * @ see # execute boolean getMoreResults(int current) throws SQLException;this If this {@code Statement} object didIf the columns which represent the auto-generated keys were not specified,return a {@code ResultSet} object containing the auto-generated key(s)this {@code Statement} objectthrows SQLException if a database access error occurs orthis method is called on a closed {@code Statement}throws SQLFeatureNotSupportedException if the JDBC driver does not support this method1 .4 throws SQLException;/** * Executes the given SQL statement and signals the driver a database access error occurs * given set * 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 > > Note : / > This method cannot called on a * { @ code PreparedStatement } or { @ code CallableStatement } . * @ 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 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 * use the java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38 * @ throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method with a constant of Statement . RETURN_GENERATED_KEYS * throws SQLTimeoutException when 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 2 * 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 @ CallableStatement * @ 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 , in the Java programming language . * * @ param columnIndexes an array of column indexes indicating the columns * that should be returned from the inserted row @ either ( 1 the Language ( ) statements * or ( 2 ) 0 for SQL statements that return nothing * * @ hrows SQLException if a database , * 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 SQLNULL /** * 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 > < trong > Note < strong This method cannot be called java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62 * { @ 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 java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 * @ 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 * second argument supplied to this method is not a { @ code String } array * whose elements are valid column names , 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 } * been exceeded and has at least to cancel * the currently running { @ code Statement } * @ since 1 . 4 /** * Executes the given SQL statement , which may return multiple results , to use in constructing the time * auto - generated keys should be made available * for retrieval . The driver will ignore this signal 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 * if the value SQL { code NULL , * In some ( uncommon ) situations , a single SQL statement may return * multiple result sets and / or update counts . Normally you can ignore * this unless you ( 1 executing 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 * * @ since 1 . 2 * @ 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 Statement . RETURN_GENERATED_KEYS } or * { @ code Statement . NO_GENERATED_KEYS } * @ 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 access occurs * this method is called on a closed { @ code Statement } , the second * parameter supplied to this method is not { Statement . RETURN_GENERATED_KEYS } or * { @ code Statement . NO_GENERATED_KEYS } , * 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 * value for the time underlying database does not store * @ 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 the value SQL { @ NULL , * 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 ) . * < > * 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 } 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 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 } * @ 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 closed { @ code Statement } , the * elements in the { @ code int } array passed to this method * are not valid column indexes , the method is called on a * { code } or { CallableStatement } * @ throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @ throws SQLTimeoutException when the } object * 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 } @ # 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 } 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 } 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 * * @ param columnLabel the label for the the AS clause the SQL , label is * @ 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 } , the * 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 * @ 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 /** * 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 database access error occurs or * this method is called on a closed { @ code Statement } * * @ since 1 . 4 int =/** * Retrieves whether this { @ code Statement } object has been closed . A { @ code Statement } is closed if the * 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 holdability will closed current transaction . * @ since 1 . 6 boolean isClosed() throws SQLException;/** * Requests that a { @ code Statement } be pooled or not pooled . The value specified is to the pool implementation indicating * whether the application wants the statement to be pooled . It is up to * the statement pool manager java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 * < 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 { @ * the @ null the programming language * 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;1 4 /** * 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 * @param SQLclauseIf AS clausewasnot specified then labelisthenameof column/** * 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 } object or there are no more results , - 1 * is returned . This method should be called only once per result . * < > * This method should be used when the returned row count may exceed * { @ link Integer # MAX_VALUE } . * < p > * @ throws SQLFeatureNotSupportedException if the JDBC driver not support * * @ return the current result as an update count ; - 1 if the current result * is a { code ResultSet } object or there are java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 * @ throws SQLException if a database access error occurs or * this method is called on a closed { @ code Statement } * @ see # execute * @ since 1 . 8 default ( {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 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 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 * @ 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 * @ 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 database for execution and * if all commands * current or insert row updater methods do * 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 { code insertRow } methods are called to update the database . * The elements in the array returned by the method { @ code executeLargeBatch } * may be one of the following : * < OL > * < LI > number greater than or equal to zero - 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 , * this method throws a { @ code BatchUpdateException } , and a JDBC * driver may the is { CONCUR_READ_ONLY * 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 } * 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 } - - 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 . * @ 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 *methodclosedresultthrow 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 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 > * 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 } * current row or the . The updater methods do not * such as a DDL statement . * @ return either ( 1 ) the row count for SQL Data Manipulation Language * ( DML ) * @ insertRow methods are called to update the database . * * @ throws SQLException if a database access error java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 6 * 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 } * @ 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 { @ * throws SQLFeatureNotSupportedException if the JDBC driver does support * 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 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 > * 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 autoGeneratedKeys a ; instead { } or * 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 * @ hrows SQLException if is not valid * 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 . 8 default long updateClob(int columnIndex java.sql.Clob x)throws ;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 } 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 > * 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 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 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 } statement , or an SQL statement able to return * auto - * since 1 . 4 * < 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 * < 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 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 * second argument supplied to this method is not a { @ code String } array * whose elements are valid column names , 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 * the result set concurrency { @ code CONCUR_READ_ONLY } * @ since 1 . 8 default long executeLargeUpdate(String sql, String columnNames[])throws SQLException {throw new SQLFeatureNotSupportedException("executeLargeUpdate not implemented" );// JDBC 4.3 /** * Returns a { @ * @ since 1 . 4 * 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 * * @ throws SQLException if the columnIndex ; * 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 @ hrows SQLFeatureNotSupportedException if driver does support * < ul > * < li > The string is not enclosed in double quotes < / li > * < li > he first character 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 < / > * < blockquote > * * update the database . * < 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 * row . The updater underlying database instead * < 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("^\" .+\"$" )) {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 > * < / * / * * < tbody > * < tr > * < th scope = " row " > Hello < / th > * < td > true < / td > * < / tr > * < tr > * < th scope = " row " > G ' Day < / th > * < td > false < / td > * < / tr > * < tr > * < 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 java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 * @ 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 "[\\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 / * Any void updateNString ( int columnIndex , String nString ) throws SQLException ; * 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 * 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 updateNStringString columnLabel,) throws SQLExceptionreturn "N'" + val.replace("'" , "''" ) + "'" ;
Messung V0.5 in Prozent C=97 H=74 G=86
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