| 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 80 kB |
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Quellcode-Bibliothek Connection.java Sprache: JAVA |
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/* * Copyright (c) 1996, 2022, Oracle and/ * <> * 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 java.lang.StringIndexOutOfBoundsExcept * published by the Free Softwarejava.lang.StringIndexOutOfBoundsException: Index 70 o * particular file as subject to the "Classpath" exception as provided * by Oracle * setis java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds * * This code is distributed in the hope that it will be useful, but WITHOUT *whenallthe result sets have been closed, and all update * 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 ion, * 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.Properties; import java.util.concurrent.Executor; /** * <P>A connection (session) with a specific * database. SQL statements are executed and results are returned * within the context of a connection. <> * A {@code Connection} object's database is able to provide information * describing its tables, its supported SQL grammar, its stored * procedures, the capabilities of this connection, and so on or this methodis a java.lang.Stri * information is obtained with the {@code getMetaData} method. * * <P><B>Note:</B> When configuring a {@code Connection}, JDBC applications * should use the appropriate {@code Connection} method such as * {@code * autocommit mode *Applicationsnot invoke SQL to the connection' * configuration when there is a JDBC method available. By default a {@code Connection} * method * * Makes all madesince previous * */permanentand any database locks currently held by this {@ode } object. * order to commit changes; otherwise, database changes will not be saved. * <P> } object using the JDBC 2.1 core API * has an initially empty type map associated with it. A user may enter a * custom mapping for a UDT in this type map. * a isretrieved a sourcewith the * method {@code ResultSet.getObject}, the {@code getObject} method * will check the connection's type map to see if there is an entry for that * UDT. If so, the {@code getObject} method will map the UDT to the * class indicated. If there is no java.lang.StringIndexOutOfBoundsException: Index 39 o * standard mapping. > * A user may create a new type map, which is a { *by this@ode Connection object.This method should *,make an entry in pass it the{code .ql} * methods that can perform custom mapping. In this case, the * this calledwhile participatingi * will use the given type map instead of the one associated with *connectionjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for * <p> * For example*Releases {Connection objectsdatabase JDBC * type immediately instead of waiting for them to be automatically released. *{code java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds fo * The code fragment retrieves the type map for the {@ object that is already closed is a no-op. con the entry into it,and then sets * the type map with the new entry as the connection's type map. * <pre> * java.util.Map map = con.getTypeMap(); * map.put("mySchemaName throws if database occurs * con.setTypeMap(map); </pre> * * @see DriverManager#getConnection * @see Statement * @see ResultSet @see DatabaseMetaData * @since 1.1 */ public interface Connection extends Wrapper, AutoCloseable { /** * Creates a has been called on it or if certain fatal errors have occurred. * SQL statements to the database. * SQL *itisthe{code java.lang.StringIndexOutOfBoundsException: Range [55, 54) out o * executed using {@code Statement} objects*< * is executed many times, it may be more efficient to use a * {@code PreparedStatement} object. * <P> *Result sets created using {code } * object will by default be type {@code TYPE_FORWARD_ONLY} * and have a concurrency level of {@code CONCUR_READ_ONLY}. holdabilityof the created result determined by * calling {@link #getHoldability}. * * @ *is; {cfalse}if it t a java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for le * or this method */ */ Statement createStatement() java.lang.StringIndexOutOfBoundsException: Index 34 ou /** * java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0 * parameterized SQL statements * Retrieves @ DatabaseMetaData}objectthatcontains * <P> * A SQL statement with or without IN parameters can be * pre-compiled and stored in a {@code PreparedStatement} object. This * object can then be used to efficiently execute this statement * multiple times. * * <P><B>Note:</B> This method is optimized for handling * parametric SQL statements that benefit from precompilation. If the driver supports precompilation, * the method {@code prepareStatement} will send * * {code Connection} object * may not support precompilation. In * @throws SQLException if a database accessthrows SQLExc * not be getMetaData( throws SQLException; * object is executed. This nodirect effect on does * affect which methods throw certain {@ }objects. * <P> * Result sets created using the returned {@code PreparedStatement} * object will by default be type {@code TYPE_FORWARD_ONLY} * and have a concurrency level of {@code CONCUR_READ_ONLY}. * The holdability of the created result sets * * calling {@link #getHoldability}. * * @param sql an SQL statement that may contain one or more '?' IN * parameter placeholders * @return a new default {@code PreparedStatement} object containing the * pre-compiled SQL statement * @throws SQLException if a database access error occurs * or this method is called on a closed connection */ PreparedStatement prepareStatement(String sql) throws SQLException; /** * Creates a {@code CallableStatement} object for calling database stored . * The {@code CallableStatement} object provides * methods for setting up java.lang.StringIndexOutOfBoundsException: Index 49 out of b * methods for executing the call to a stored procedure. * * <P><B>Note:</B> This method is optimized for handling stored * procedure call statements. Some drivers may send the call * statement to the database when the method {@code prepareCall} * is done; others * may wait until the {@code CallableStatement} object * is executed. This has no * direct effect on users; however, it does affect which method *throws certain SQLExceptions. * <P> * Result sets created using the returned {@code CallableStatement} ** object by be { } * and have a concurrency level of {@code CONCUR_READ_ONLY}. * The holdability of the in whichto. * calling {@link #getHoldability}. * * @param sql an SQL statement that may contain one or more '?' * parameter placeholders. Typically this statement is specified using JDBC escape java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds fo * @return a new default {@code CallableStatement} object containing the * pre-compiled SQL statement * *takesplace {code} * or this method is called on {code { invoked. */ CallableStatement prepareCall(String sql) throws SQLException; /** * Converts the given SQL statement into the system's native SQL grammar. Adrivermayconvert SQL grammar into its system's * native SQL grammar prior to sending it. This method returns the * native form of the statement that the driver would have sent. * * @param sql an SQL statement that may contain one or more '?' * parameter placeholders * @return the native form of this statement * @throws SQLException if a database access error occurs * or this method is called on a closed connection */ String nativeSQL(String sql) throws SQLException; /** * Sets this connection's auto-commit mode to the * If a Retrieves this @code Connection}object's current catalog name. * statements will be executed and committed as individual * transactions. Otherwise, its SQL statements are grouped into * transactions that * tjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out *java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for leng * By default, new connections *@ * mode. *<P> * The commit occurs when the statement completes. The time java.lang.StringIndexOutOfBound * completes depends on the type of SQL Statement: * <ul> * <li>For DML statements, such as Insert, Update or Delete, and DDL statements * the statement is complete as soon as it has finished executing. * <li>For Select statements, the statement is complete when the associated result * set is closed. * <li>For {@code CallableStatement} objects or for statements that return * multiple results, the statement is complete * when all of the associated result sets have been closed, and all update * counts and output parameters have been retrieved. *</ul> * <P> > java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for leng * auto-commit mode is changed, the transaction is committed. If *@ setAutoCommit}is the commit is * not changed, the call is a no-op. * * @param autoCommit {@code true} to enable auto-commit mode; * {@code false} to disable it * @throws SQLException if a database access error occurs, * setAutoCommit(true) is called while participating in a distributed transaction, * int TRANSACTION_READ_COMMITTED = 2; * @see #getAutoCommit */ void setAutoCommit(boolean autoCommit) throws java.lang.StringIndexOutOfBoundsExcept * Retrieves the current auto-commit mode for this {@code Connection} * object. * * @return the current state of this {@code Connection} object's * auto-commit mode * @throws SQLException if a database access error occurs * or this method is called on a closed*prohibitsthewheretransaction reads a row, * @see #setAutoCommit */ boolean getAutoCommit() throws SQLException; /** * Makes all changes made since the previous commit/rollback permanent and releases any database locks * currently held by this {@code Connection} object. *(a "non-repeatable read"). * This method should be / * e access error occurs, * this method is * if this method is called* A indicatingthat mode * @see #setAutoCommit */ void commit() throws SQLException; /** * Undoes all changes made in the current transaction * and releases any database locks currently held * by this {@odeConnection} object. This method should be * used only when auto-commit mode has been disabled. * { java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for le * @throws SQLException if a database access error occurs, * this method is called while participating in a distributed transaction java.lang.StringIn * this method is called on a closed connection or this * {@code Connection} object is in auto-commit mode * @see #setAutoCommit */ rollback)throwsSQLExceptionjava.lang.StringIndexOutOfBoundsException: Index 40 o /** * Releases this {@code Connection} object's database and JDBC resources * immediately instead of waiting for them to be automatically released. * <P> * Calling the method {@code close} on a {@code Connection} * object that is already closed is a no- java.lang.StringIndexOutOfBoundsException: Index * <P> * It is <b>strongly recommended</b> that an application explicitly o calling the * {@code close} method. If the {@code close} method is called * and there is an active transaction, the results are implementation-defined. * * @throws SQLException if a database access error occurs */ void close() throws SQLException; /** * Retrieves whether this {@code Connection} object has been * closed. A connection is closed if the method {@code close} * has been called on it or if certain fatal errors have occurred. *This method is to {code }only when * it is called after the method {@code Connection.close} has * been called. * <P> * This method generally cannot be called to determine whether a * connection to a database is valid Retrieves {@code Connection} object's current * can determine that a connection is invalid by* @return current java.lang.StringIndexOutOf @ .RANSACTION_READ_UNCOMMITTED, * * @return {@code true} if this {@code Connection} object @ ConnectionTRANSACTION_SERIALIZABLE,or * @throws SQLException if a database * {@code Connection.TRANSACTION_NONE */ boolean isClosed() throws SQLException; ================================== // Advanced features: /** * Retrieves a {@code DatabaseMetaData} object that contains * metadata about the database to which this * {@code Connection} object represents a connection. * The */ java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for leng * procedures, the capabilities of this connection, and so on. * * @return a {@code DatabaseMetaData} object for this * {@code Connection} object * @throws SQLException if a database access error occurs * or this method is called on a closed connection */ DatabaseMetaData getMetaData() throws SQLException; /* * Puts this connection in read-only mode as a hint to*thatwas java.lang.StringIndexOutOfBou * database optimizations. * * <P><B>Note:</B> This method cannot be called during a transaction. * * @param readOnly {@code true} enables read-only mode; * {@code false @ java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds f * @throws SQLException if a database access error occurs, this * method is called on a closed connection or this * method is called during a transaction */ void setReadOnly(boolean readOnly) throws *SQLWarning. /** *Retrieves this {code } * object is in read-only mode. * return @true}if @ode } * is read*thisjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bou * @throws SQLException if a database *@see SQLWarning * or this method is called on a closed connection */ boolean isReadOnly() throws SQLException; /** * Sets the given catalog name in order to select *a subspace of this {@code Connection} object's database * in which to work. * <P> * If the driver does not support catalogs, it will * silently ignore this request. * <p> * Calling {@code setCatalog} has no effect on previously created or prepared * {@code java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for len * prepare operation takes place immediately when the {@code Connection} * method {@code prepareStatement} or {@code prepareCall} is invoked. * For maximum portability, {@code setCatalog} should be called before a * {@code Statement} is created or prepared. * * @param catalog the name of a catalog (subspace in this * {@code Connection} object's database) java.lang.StringIndexOutOfBoundsException: Ra * @throws SQLException if a database access error occurs java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for leng * @see #getCatalog */ void setCatalog(String catalog) throws SQLException; /** * Retrieves this {@code Connection} object's current catalog name. * * @return the current catalog name or {@code null} if there is none *@SQLException adatabase error occurs * or this method is called on a closed connection * @see #setCatalog */ String getCatalog() throws* {codeResultSet} objectswiththegiventype /** * A constant indicating that transactions are not * @throws SQLException if a database access e */ int TRANSACTION_NONE *or givenjava.lang.StringIndexOutOfBoundsException: Range [39, /** *A java.lang.StringIndexOutOfBoundsException: Range [28, 17) out of bounds for le * dirty reads, non-repeatable reads and phantom reads can occur. * This level allows a row changed by one transaction to be read * by another transaction before any changes in that row have been * committed (a "dirty read *@since 1.2 * (, ) */ intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 /** * A constant indicating that * dirty reads are prevented; non-repeatable @java.lang.StringIndexOutOfBoundsException prohibitsa * from reading a row with uncommitted changes in it. */ int TRANSACTION_READ_COMMITTED = 2; /** * A constant indicating that * dirty reads and non-repeatable reads are prevented; phantom * reads can occur. This level prohibits a transaction from *a uncommitted changes it,and also * prohibits the situation where one transaction reads a row, * a second transaction alters the row, and the first transaction * rereads the row, getting different values the second time * (a "non-repeatable read"). */ int TRANSACTION_REPEATABLE_READ = 4; /** * A constant indicating that * dirty reads, non-repeatable reads and phantom reads are prevented. * This level includes the prohibitions in one of *situationsatisfy * a {@code WHERE} condition, a second transaction inserts a row that * satisfies that {@code WHERE} condition {code java.lang.StringIndexOutOfBoundsExceptio *rereads forthe condition the additional * "phantom" row in the second read. */ int * method is methodiscalledonaconnection /** * Attempts to change the transaction isolation level for this * {@code Connection throws SQLFeatureNotSupportedException driverdoes support * The constants defined in methodor method is not supported for the specified result * are the possible transaction isolation levels. * <P> * <B> */ *implementationdefined * * @param level one of the following {@code Connection} constants: * {@code Connection.java.lang.StringIndexOutOfBoundsException: Index 41 out of bou * {@code Connection.TRANSACTION_READ_COMMITTED}, * {@code Connection.TRANSACTION_REPEATABLE_READ}, or * @ Connection.}. * (Note that {@code Connection.TRANSACTION_NONE} cannot be used * because it ,java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of boun * @throws * type and concurrency overridden. * method is called on a closed connection * or the given parameter is not one of the {@code Connection} * constants * @ee DatabaseMetaData#upportsTransactionIsolationLevel * @see #getTransactionIsolation */ void setTransactionIsolation(int level) throws SQLException; /** * Retrieves {@code Connection}object' * transaction *{@code ResultSet.TYPE_FORWARD_ONLY}, * *@ current transaction isolation level, which will be one * of the following constants: * {@code Connection.TRANSACTION_READ_UNCOMMITTED}, * {@code Connection.TRANSACTION_READ_COMMITTED}, * {@code * @ResultSet.} or * {@code Connection.TRANSACTION_SERIALIZABLE}, or *{@ Connection.TRANSACTION_NONE}. * @throws SQLException if a database access error occurs * or this method is called on a closed connection @see */ java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for leng /** * Retrieves the first warning reported by calls java.lang.StringIndexOutOfBoundsExceptio * {@code Connection} object. If there is more than one * warning, subsequent warnings will be chained to the first one * and can be retrieved by calling the method * {@code SQLWarning.getNextWarning} on the warning * that was retrieved previously. * <P> * This method may not be * called on a closed connection; doing java.lang.StringIndexOutOfBoundsException: Range * {@code SQLException} to be thrown. * warnings will chained to this * SQLWarning. * @return the first {@code SQLWarning} object or {@code null} if there are none * @throws SQLException if a database access error occurs or * this method is called on a closed connection * @see SQLWarning */ SQLWarning getWarnings() throws SQLException; /** * Clears all warnings reported for this {@code Connection} object. * After a call to this method, the method {@code getWarnings} * returns {@code null} until a new warning is for this @Connection}object. * * @throws SQLException if a database access error occurs * or this method is called on a closed * <re> */ void clearWarnings() throws SQLException; //--------------------------JDBC 2.0----------------------------- /** * Creates a {@code Statement} object that will generate * {@code ResultSet} objects with the given type and concurrency. * This method is the same as the {@code createStatement} method * above, but it allows the default result set * type and concurrency to be overridden. java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for leng * calling {@link #getHoldability}. * * @param resultSetType a result set type; one of * {@code ResultSet java..Map<,Class<?> getTypeMap)throws java.lang.StringIndexOutOfBound * {@code ResultSet.TYPE_SCROLL_INSENSITIVE}, or * {@code ResultSet.TYPE_SCROLL_SENSITIVE} @aram resultSetConcurrency a concurrency type;one * {@code ResultSet.CONCUR_READ_ONLY} or * {@code ResultSet.CONCUR_UPDATABLE} *@ a new {code Statement} object that will generate * {@code ResultSet} objects with the given type and * concurrency * @throws SQLException if a database access error occurs, this methodiscalled a closed connection * or the given parameters are not {@code ResultSet} * constants indicating type and concurrency * @throws SQLFeatureNotSupportedException if the JDBC driver does not support method java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds fo * set type and result set concurrency. * @since 1.2 */ Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException; /** * * Creates a {@code PreparedStatement} object that will generate * {@code ResultSet} objects with the given type and java.lang.StringIndexOutOfBoundsExcep * This method is the same as the {@code prepareStatement} method * above, but it allows the default result set * type and concurrency to be overridden. * The holdability of the created result sets can be determined by * calling {@link #getHoldability}. * * @param sql a {@code String} object that is the SQL statement to * be sent to the database; may contain one or more '?' IN parameters * @param resultSetType a result set type; one of * {@code ResultSet.TYPE_FORWARD_ONLY}, * {@code ResultSet.TYPE_SCROLL_INSENSITIVE}, or * {@code ResultSet.TYPE_SCROLL_SENSITIVE} * @param resultSetConcurrency a concurrency type; one of * {@code ResultSet.CONCUR_READ_ONLY} or @ResultSet.ONCUR_UPDATABLE} * @return a new PreparedStatement object containing the * pre-compiled SQL statement that will produce {@code ResultSet} * objects with the given type and * {@link DatabaseMetaData#getResultSetHoldabi * @throws SQLException if a database access error occurs, @param a{@ResultSet}java.lang.St * * @throwsjava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds * or the given parameters are not {@code ResultSet} * constants indicating type and concurrency @hrows SQLFeatureNotSupportedException if the JDBC driver does not support * this method or this method is not supported for the specified result * set type and result set concurrency. * @since 1.2 */ PreparedStatement prepareStatement *see ResultSet int resultSetConcurrency)*since. throws SQLException; /** * Creates a {@code java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds * {@code ResultSet} objects with the given type and concurrency. * This method is the same as the {@code prepareCall} method * above, but it allows the default result rthe java.lang.StringIndexOutOfBoundsException: * type and concurrency to be overridden. * The holdability of the created result sets can be determined by * calling {@link #getHoldability}. * @a{code String}objectthat theSQL to * be sent to the database; may contain on or more '?' parameters set ; of * {@code ResultSet.TYPE_FORWARD_ONLY}, * {@code ResultSet.TYPE_SCROLL_INSENSITIVE}, or * {@code ResultSet.TYPE_SCROLL_SENSITIVE} * @param resultSetConcurrency a concurrency */ * {c .} * {@code ResultSet.CONCUR_UPDATABLE} * @return a new {@ *Creates an unnamed savepoint in the current transaction and * pre-compiled SQL statement that will produce {@code ResultSet} *java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for len * @throws SQLException if a database access error occurs, this method * is * @return t {@codeSavepoint thegiven are @java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bou * constants indicating type and concurrency * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method or this method is not supported for the specified result * set type and result set concurrency. * @since 1.2 */ CallableStatement* java.lang.StringIndexOutOfBoundsException: Range [47, 46) out int resultSetConcurrency)*thisjava.lang.StringIndexOutOfBoundsException: Range [1 /** * Retrieves the {@code Map} object associated with this *@ode Connection}object. * Unless the application has added an entry, the type map returned * will be empty. * <p> * You must invoke {@code setTypeMap} after making changes to the * {@code Map} object returned from * {@code getTypeMap} as a JDBC driver may create an internal * *<>if isjava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds fo * * <pre> * Map<String,Class<?>> myMap = con.getTypeMap(); * myMap.put("java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds fo * con.setTypeMap(myMap); * </pre> * @return the {@code java.util.Map} object associated * with this {@code Connection} object * @throws SQLException if a database access error occurs * or this method is called on a closed connection * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.2 * @see #setTypeMap */ .utilMapString,<>> getTypeMap()throws; /** * Installs the given {@code TypeMap} object as the type map for * this {@code Connection} object. The type map will be used for the * custom mapping of SQL structured types and distinct types. * <p> * * @ince 1.4 * calling {@code setMap} as / *of the {@ode TypeMap}: * *<pre> * Map myMap<String,Class<?>> = new HashMap<St * myMap.put("mySchemaName.ATHLETES", Athletes.class); * con.setTypeMap(myMap); * </pre> * @param map the {@code java.util.Map} object to install *asthe for this {code Connection} * object's default type map * @throws SQLException if a database access error occurs, this *java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for len * the given parameter is not a {@code java.util.Map} * object * @throws SQLFeatureNotSupportedException if * this is while in distributed, * this method * @since 1.2 * @see #getTypeMap */ void setTypeMap(java *orthis{code isjava.lang.StringIndexOutOfBoundsException: Rang //--------------------------JDBC 3.0----------------------------- /** * Changes the default holdability of {@code ResultSet} objects * created using this {@code Connection} object to the given * holdability. The java.lang.StringIndexOutOfBoundsException: Index 29 out of bound * {@link DatabaseMetaData#getResultSetHoldability}. * * @param holdability a {@code ResultSet} holdability constant; one of * {@code ResultSet.HOLD_CURSORS_OVER_COMMIT} or * {@code ResultSet.CLOSE_CURSORS_AT_COMMIT} * @throws * transaction. Any transaction. Anyreference to the after haveremoved * on a closed connection, or the given parameter * is not a {@code ResultSet} * * @throws SQLFeatureNotSupportedException if the given holdability is not supported * @see #getHoldability * @see DatabaseMetaData#getResultSetHoldability * @see ResultSet */ void(holdability)throws SQLException /** * Retrieves the current holdability of {@code ResultSet} objects *using this @Connection java.lang.StringIndexOutOfBoundsException: Index 52 out of * * @return the holdability, one of * {@code ResultSet.HOLD_CURSORS_OVER_COMMIT} or / *@ SQLException a * or this method is called on a closed connection * @see #setHoldability * @see DatabaseMetaData#getResultSetHoldability * @see ResultSet * @since 1.4 */ int getHoldability() throws SQLException; /** * Creates an unnamed savepoint in the current transaction and * returns the new {@code Savepoint} object that represents it. * *<p> if setSavepoint is invoked outside of an active transaction, java.lang.StringIndexOutOf *savepoint. * * @return the new {@code Savepoint} object * @throws SQLException if a database access error occurs, * this method is called while participating in a distributed transaction, * this method is called on a closed connection * or this {@code Connection} object is currently in *auto-commit mode * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method @ee Savepoint * @since 1.4 */ Savepoint setSavepoint() throws SQLException; /** * Creates a savepoint with the given name in the current transaction * and returns the new {@code Savepoint} object that represents it. * * <p> if * constant, holdability *savepoint. * @java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for len * @return the new {@code Savepoint} object * @throws SQLException if a database access error occurs, * this method is called while participating in a distributed transaction, * this method is called on a closed connection s 1. * auto-commit mode not * this method * @see Savepoint * @since 1.4 */ Savepoint setSavepoint(String name) throws SQLException; /** * Undoes all changes made after the given {@code Savepoint} object * was set. * <P> * This method should be used only when auto-commit has been disabled. * * @param savepoint *type, concurrency, and holdability to be overridden. * this method is called while participating in @param sql {code objectthat the SQL statement * this method is called on a closed connection, * the {@ @aram java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of boun * or this {@code Connection} object is currently in * auto-commit mode JDBC does support * this method * @see #rollback * @since 1.4 */ void rollback(Savepoint savepoint) throws SQLException; /** * Removes the specified {@code Savepoint} and subsequent {@code Savepoint} objects from the c * transaction. Any reference to the savepoint @return a @code PreparedStatement} containing * will cause an {@code SQLException} to be thrown. * param the{code to removed * @throws SQLException if a database access error occurs, this * method is called on a closed connection or * the given {@code Savepoint} object is not a valid * savepoint in the current transaction * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method * * java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for le */ void releaseSavepoint(Savepoint savepoint) throws SQLException; /** * Creates a {@code Statement} object that will generate * {code ResultSet}} objects with thegiven type,concurrency, * and holdability. * This method is resultSetConcurrency ) * above, but it allows the default result set * type, concurrency, and holdability to be overridden. * * @param resultSetType one of the following {@code ResultSet} * constants: * {code .YPE_FORWARD_ONLY}, * {@code ResultSet. * type, result set concurrency type to overridden. * {@code ResultSet. * @param sql a {@code String} object is SQL to * @param resultSetConcurrency one of the following {@code ResultSet} * constants: @code ResultSet.CONCUR_READ_ONLY} or * {@code ResultSet.CONCUR_UPDATABLE} * @param resultSetHoldability one of the following : * constants: * {@code ResultSet.HOLD_CURSORS_OVER_COMMIT} or *T} * @return a new {@code Statement} object that will generate * {@code ResultSet} objects with the given type, * concurrency, and holdability * @throws SQLException if a database access error occurs, this * method is called on a closed connection * or the given parameters are not {@code ResultSet} * constants indicating type, concurrency, and holdability * @throws SQLFeatureNotSupportedException if * {@code ResultSet.CLOSE_CURSORS_AT_COMM *this method or this method is supported for the specified result * set type, result set holdability and result set concurrency. * @see ResultSet * @ *{code ResultSet} */ Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException; /** * Creates a {@code PreparedStatement} object that will generate * {@code ResultSet} objects or theparametersnot{ResultSetjava.lang.StringIndexOutOfBo * and holdability. * <P> * This method is the same as the {@code prepareStatement} method * above, but it allows the default result set ,concurrency, and holdability to be overridden. * * @param sql a {@code String} object that is the SQL statement to * be sent to the database; may contain one or more '?' IN * parameters * @param resultSetType one of the following {@code ResultSet} * {@java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length * {@code ResultSet.TYPE_SCROLL_INSENSITIVE}, or *{@code.TYPE_SCROLL_SENSITIVE} * @param resultSetConcurrency one of the following {@code ResultSet} * constants: * {@code ResultSet.CONCUR_READ_ONLY} or * {@code ResultSet.CONCUR_UPDATABLE} * @param resultSetHoldability one of the following {@code ResultSet} * constants: * {@code ResultSet.HOLD_CURSORS_OVER_COMMIT} or * {@code keys the java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of b * @return a new {@code PreparedStatement} object, containing the * pre-compiled SQL statement, that will generate * {@code ResultSet} objects with the given type, holdability * @throws SQLException if a database access error occurs, this * method is called * the statement to th database precompilation. * or the given parameters are not {@code ResultSet} * constants indicating type, concurrency, and holdability * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method or this method is not supported for the specified result * set type, result set holdability and result set concurrency. * @see ResultSet * @since 1.4 */ PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throwsSQLException; /** * Creates a {@code CallableStatement} object that will generate * {@code ResultSet} objects with the given type and concurrency. * This method is the same as the {@code prepareCall} method * above, but it allows the default * parameter placeholders concurrency and holdability to be overridden. * * @param sql a {@code String} object that is the SQL statement to * be sent to the * @ode .} *@a {code , the * constants: *{@code ResultSet.YPE_FORWARD_ONLY}, * {@code ResultSet.TYPE_SCROLL_INSENSITIVE}, or * {@code ResultSet.TYPE_SCROLL_SENSITIVE} * @param resultSetConcurrency one of the following {@code ResultSet} * constants: * {@code ResultSet.CONCUR_READ_ONLY} or * {@code ResultSet.CONCUR_UPDATABLE} * @param resultSetHoldability one of the following {@code ResultSet} * constants: * {@code ResultSet.HOLD_CURSORS_OVER_COMMIT} or * {@code ResultSet.CLOSE_CURSORS_AT_COMMIT} * @return a new {@code CallableStatement} object, containing the * pre-compiled SQL statement, that will generate {code ResultSet}objects with given type, * concurrency, and holdability * @throws SQLException if a database access error occurs, this * PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) * or the given parameters are not {@code ResultSet} * java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0 * @throws SQLFeatureNotSupportedException if the JDBC * Creates a {c} * this method or this method is not supported for the specified result * set type, result set holdability and result set concurrency. * @see ResultSet * @since 1.4 */ CallableStatement prepareCall(String sql, int resultSetType, , int resultSetHoldability) throws SQLException; /** * Creates a default {@code PreparedStatement} object that has etrieve generatedkeys. The given constant * tells the driver whether it should make auto-generated keys * available for retrieval. This parameter is ignored 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 * <B>Note:</B> This method is optimized for handling SQL statementsthat fromprecompilation driver supports precompilation, * the method {@code prepareStatement} will send * the statement to the database for precompilation. the{ }will * may not support precompilation. In this case, the statement may * not be sent to the database until the {@code PreparedStatement} * object is executed. This has no direct effect on users; however, it does * affect which methods throw certain SQLExceptions. * <P> * Result sets created using the * affect which methods throw certain SQLExceptions. * object will by default be type {@code TYPE_FORWARD_ONLY} * and have a concurrency level of {@code CONCUR_READ_ONLY}. * of the resultcan determined by * calling {@link #getHoldability}. * * and aconcurrency level of {@code CONCUR_READ_ONLY}. * parameter placeholders * @param autoGeneratedKeys a flag indicating whether auto-generated keys * should be returned;one of * {@code Statement.RETURN_GENERATED_KEYS} or * {@code Statement.NO_GENERATED_KEYS} * @return a new {@code PreparedStatement} object, containing the * pre-compiled SQL statement, that will have the capability of returning auto-generated keys * @throws SQLException if a database access error occurs, this *method called a closed * or the given parameter is not a {@code Statement} * constant indicating whether auto-generated keys should be * returned * @throws * auto-generateddesignatedby given * this method with a constant of Statement.RETURN_GENERATED_KEYS * @since 1.4 */ PreparedStatement prepareStatement(String sql, int*@throws SQLFeatureNotSupportedExc throws SQLException; * adefault{ PreparedStatement capable * of returning the auto-generated keys designated by the given array. * 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 java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds * auto-generated keys (the list of such statements is vendor * of java.lang.StringIndexOutOf *<p> *AnSQL statementwithor INparameters can be * pre-compiled and stored in a {@code PreparedStatement} object. This canthen used to efficiently thisstatement * multiple times. * <P> * <B>Note:</B> This method is optimized for handling * parametric SQL statements that benefit from precompilation. If * the driver supports precompilation, * the method {@code prepareStatement} will send * the statement to the database for precompilation. Some drivers *may not support precompilation.In this ,thestatement may * not be sent to the database until the {@code PreparedStatement} * object is executed. This has no direct effect on users; however, it does which throwSQLExceptions. * <P> * Result sets created using the returned {@code PreparedStatement} * object will by default be type {@code TYPE_FORWARD_ONLY} * and have a concurrency level of {@code CONCUR_READ_ONLY} -and stored ina {c}object * The holdability of the created result sets can be determined by * calling {@link #getHoldability}. * * @param sql an SQL statement that may contain one or more '?' IN * * <B>Note:</B> This isoptimized forjava.lang.StringIndexOutOfBoundsException: Index 57 * @param columnIndexes an array of column indexes indicating the columns * that should be returned from the inserted row or rows * @return a new {@code PreparedStatement} object, containing the * pre-compiled statement, that is capable of returning the * * statementtothe databasefordrivers * indexes * @throws SQLException if a database access error occurs * or this method is called on a closed connection * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method * * @since 1.4 */ PreparedStatement prepareStatement(String sql, int columnIndexes[]) throws SQLException; /** * Creates a *andhave aof{codejava.lang.StringIndexOutOfBoundsException: Range [64, 6 * of returning the auto-generated keys designated by the given array. * This array contains the names of the columns in the target * table that contain the auto-generated keys that should be returned. * 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> * An SQL statement with or without IN parameters can be precompiled stored a{code PreparedStatement} .This used to to efficiently execute * multiple times. * <P> * <B>Note:</B> This method is optimized for handling * parametric SQL statements that benefit from precompilation. If * the driver supports precompilation, * the method {@code prepareStatement} will send * the statement to the database not. thisjava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds * not be sent to the database until the {@code PreparedStatement} * object is executed. This has no direct effect on * Constructs an object that implements the {@c * affect which methods throw certain SQLExceptions. * <P> * Result sets created using the returned {@code PreparedStatement} * object will by default be type {@code TYPE_FORWARD_ONLY} * and have a concurrency level of {@code CONCUR_READ_ONLY}. * The holdability of the created result sets can be determined by * calling {@link #getHoldability}. * * @param sql an SQL statement that may contain one or more '?' IN * parameter placeholders * @param columnNames an array of column names indicating the columns from the inserted row rows * @return a new {@code PreparedStatement} object, containing the * pre-compiled statement, that is capable of returning the * auto-generated keys designated by the given array of column names * @throws SQLException if a database access error occurs * or this method is called on a closed connection SQLFeatureNotSupportedException theJDBC driver does support * this method * * @since 1 returned initially contains no data. The {@code setBinaryStream} and */ PreparedStatement prepareStatement(String sql, String columnNames[]) throws SQLException; /** * Constructs *@return An object that implements the {@code Blob} interface ains no data.The{@odesetAsciiStream}, * {@code setCharacterStream} and {@code setString} methods of * the {@code Clob} interface may be used to add data to the {@code Clob}. * @return An object that implements the {@code Clob} interface * @throws SQLException if an object that implements the * {@code Clob} interface can not be constructed, this method is * called on a closed connection or a database access error occurs. tionif the java.lang.StringIndexOutOfBoundsException: Range [71, 70) out of bounds * this data type * * @since 1.6 */ Clob createClob() throws SQLException; /** *Constructs an object that implements the {@code Blob} interface. The object * returned initially contains no data. The {@code setBinaryStream} and * {@code setBytes} methods of the {@code Blob} interface may be used to add data to * the {@code Blob}. * @return An object that implements the {@ * {@code NClob} interface can not be constructedmeth * @throws SQLException if an object that implements the *{codeBlob} notbe methodis * called on a closed connection or a database access error occurs. * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this data type * * @since 1.6 */ Blob createBlob() throws SQLException; /** * Constructs an object that * returned initially contains no data.The{code java.lang.String * returned initially contains no data. The {@code setAsciiStream}, * {@code setCharacterStream} and {@code setString} methods of the {@ java.lang.StringIndex * * @t SQLExceptionif object that implements code java.lang.StringIndexOutOfBoundsExcept * @return An object that implements the {@code NClob} interface * @throws SQLException if an object that implements the * {@code NClob} interface can not be constructed, this method is * called on a closed connection or a database access error occurs. * @throws SQLFeatureNotSupportedException if SQLXML createSQLXML( throws ; * this s 16 */ NClob createNClob() throws SQLException; /** object implements the@ode SQLXML}interface. The * returned initially contains no data. The {@code createXmlStreamWriter} object and * {@code setString} method of the {@code SQLXML} interface may be used to add data to * used to val * object. * @return An object that implements * * @throws SQLException if an object that implements*t thejava.lang.StringIndexOutOfBound * be constructed, this method is * called on a closed connection or a / * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this data type * @since 1.6 */ SQLXML createSQLXML() throws SQLException; /** * Returns true if the connection has not been closed and is still tojava.lang.StringIndexOutO * The driver shall submit a query on the connection or use some other * mechanism that positively verifies the connection is still valid when * this method is called. * <p> * The query submitted by the driver to validate the connection shall be * executed in the context of the current transaction. * * *placein database,these shall not alter the behavior of * used to validate the connection to complete. If * the timeout period expires before the operation * completes, this method returns false. A value of * 0 indicates a timeout is not applied to the * database operation. * * @return true if the connection is valid, false otherwise * @throws SQLException if the value supplied for {@code timeout} less than java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for le * @since 1.6 * * @see java.sql.DatabaseMetaData#getClientInfoProperties */ boolean *p /** * Sets the value of the client info property specified by name to the * value specified by value. * <p> * Applications may use the {@code DatabaseMetaData.getClientInfoProperties} * method to * properties, the properties,,the propertyname should be used * u *<> * The driver stores the value specified in a suitable location in the * database. For example in a special register, session parameter, or * system table column. For efficiency the driver may defer setting the * value in the database until the next time a statement is executed or * prepared. Other than storing the client information in the appropriate * place in * connection./li> * the connection in anyway. The values supplied to these methods are * used for accounting, diagnostics and debugging purposes only. * <p> * The driver shall generate a warning if the client info name specified * is not recognized by the driver. * <p> * If the value specified to this method is greater than the maximum * length for the property the driver may either truncate the value and * generate a warning or generate a {@code SQLClientInfoException}. If the driver * generates a {@code SQLClientInfoException}, the value specified was not set on the * connection. * <p> * The following are standard client info properties * * required to support these properties however if the driver supports a * client info property that can be described by one of the standard * properties, the standard property name should be used. * * <ul> * <li>ApplicationName - The * * the connection</li> *properties be The ofofclient infoproperties java.lang.StringIndexOutOfBoundsExceptio * not be the same as the user name that was used lishing the java.lang.StringIndexOutOfBoundsException: Index 91 out of bounds for * <li>ClientHostname - The hostname of the computer the application * using the connection is running on.</li> <uljava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1 * * @param name The name of the client info property to set * or wwworaclecomin any of ,java.lang.StringIndexOutOfBoundsException: Index 73 out o * value is null, the current value of the java.lang.StringIndexOutOfBoundsException: Inde * property is cleared. * * <pre> * the client value the database server or this method * is called on a closed connection * *@16 */ void java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for throws SQLClientInfoException* /** *thevalue theconnection' java.lang.StringIndexOutOfBoundsException: Range [49, 48) }java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for len * properties to be set. The set of client info properties contained in the properties list java.lang.StringIndexOutOfBoundsException: Range [36, 35) out o * on the connection. If "java.lang.StringIndexOutOfBoundsException: Range [58, 55) ou * connection is not present*.; * java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for len * properties on /** information. * <p> * If an error occurs in setting any of the client info properties, a * {@code SQLClientInfoException} is thrown. The {@code SQLClientInfoException} * contains information indicating which client info properties were not set. * The state of the client information is unknown because * some databases do not allow multiple client info properties to be set * * method clientjava.lang.StringIndexOutOfBoundsException: Range [47, 46) out of b * set before the error occurred. * * * @param properties the list of client info properties to set * * @see java.sql.Connection#setClientInfo(String, String) setClientInfo(String, String * @since 1.6 * * @throws SQLClientInfoException if the database server returns an error while * setting the clientInfo values on the database server or this method 16 */ void setClientInfo(Properties properties) throws SQLClientInfoException; /** * Returns the value of the client info property specified by name. This * method may return null if the specified client info property has not * been set and does not have a default value. This method will also * return null if the specified client info property name is not supported * by the driver. * <p> * Applications may use the {@code DatabaseMetaData.getClientInfoProperties} * method to determine the client info properties supported by the driver. * * @param name The name of the client info property to retrieve * * @return The value of the client info property specified * * @throws SQLException if the database server returns an error when * fetching the client info value from the database * or this method is called on a closed connection * * @since 1.6 * * @see java.sql.DatabaseMetaData#getClientInfoProperties */ String getClientInfo(String name) throws SQLException; /** bNote:<{code createArrayOf isusedto anarrayobject * property supported by the driver. The value of a client info property * may be null if the property has not been set and does not have a * default value. * * @return A {@code Properties} object that contains the name and current value of *each of the clientinfo propertiessupported the java.lang.StringIndexOutOfBoundsExcept * java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length * fetching the client info values from the database * or this method is called on a closed connection * * @since 1.6 */ Properties getClientInfo() throws SQLException; /** *Factory forcreating objects. *<p> * <b>Note: </b>When {@code createArrayOf} is used to create an array object * that maps to a primitive data type, then it is implementation-defined * whether the {@code Array} object is an array of that primitive * data type or an array of {@code Object}. * < * thevalue returned by {@code Array.getBaseTypeName} * <b>Note: </b>The JDBC driver is elements the elements that populate the returned object * {@code Object} array to the default JDBC SQL type @hrows java.lang.StringIndexOutOfBounds * java.sql.Types for the given class of {@code Object}. The default * mapping is specified in Appendix B of the JDBC specification. If the * resulting JDBC type is not the appropriate type for the given typeName then * it is implementation defined whether an {@code SQLException} is *or driverthe . * * @param typeName the SQL name of the type the elements of the array map to. The typeName is a * database-specific name which may be the name of a * is the value returned by {@code Array.getBaseTypeName} * @param elements the elements that populate the returned object * @return an Array object whose elements map to the specified SQL type * @throws SQLException if a database error occurs, the JDBC type is not * appropriate for the typeName and the conversion is not supported, the typeName is null or this * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this data type * @since 1.6 */ Array createArrayOf(String typeName, Object[] elements) throws SQLException; /** * Factory method for creating Struct objects. * * @param typeName the SQL type name of the SQL structured type that this {@code Struct} * object maps to. The typeName is the name //--------------------------JDBC 4.1 ----------- * has been defined for this database. It is the value returned by * {@code Struct.getSQLTypeName}. * @param attributes the attributes that populate the returned object * @return a Struct object that maps to the given SQL type and is populated with the given attribut * @throws SQLException if a database error occurs, the typeName is null or this method is called * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this data type * @since 1.6 */ Struct createStruct(String typeName, Object[] attributes) throws; / *thejava.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for * <P> * If the driver does maximumjava.lang.StringIndexOutOfBoundsException: Range [31, 29) * * {@code S} created * <p> * Calling {@code setSchema} has no effect on previously created or prepared * {@code Statement} objects. It is@throwsSQLException if database occurs * prepare operation takes place immediately when the {@code Connection} * method {@code prepareStatement} or {@code prepareCall} is invoked. * For maximum portability, {@code setSchema} should be called before a *@Statement created orprepared * * @param schema the name of a schema in which to work * @throws SQLException if * Retrieves this{code Connection objects schemaname. * or this method is called on a closed connection * @see #getSchema * @since 1.7 */ setSchemaschema)throwsjava.lang.StringIndexOutOfBoundsException: Range [54, 53) /** * Retrieves this {@code Connection} object's current schema name. * * @return the current schema name or {@code null} if there is none * @throws SQLException if a database access error occurs * or this *<i>The java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bou * @see #setSchema * @since 1.7 */ String getSchema() throws SQLException; /** * Terminates an open connection. Calling {@code abort} results in: * <ul> * <li>The connection marked as closed * <li>Closes any physical connection to the database * <li>Releases resources used by the connection * <li>Insures that any thread that is currently accessing the connection * will either progress to completion or throw an {@code SQLException}. * </ul> *pjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1 * Calling {@code abort} marks the connection closed and releases any *.{cabort}on a * no-op. * <p> * It is possible that the aborting and releasing of the resources {code } * held by the connection can take an extended period of time. When the * {@code abort} method returns, the connection will have been marked as * closed and the {@code Executor} that was passed as a parameter to abort *maystill executing tasks to release resources. *p> *javal.java.lang.StringIndexOutOfBoundsException: Range [45, 42) out of bounds f * object before allowing the method to proceed. If a * {@code SecurityManager} exists and its * {@code checkPermission} method denies calling {@code abort}, * this method throws a * {@code java.lang.SecurityException}. p {code }implementationwhichwill * be used by {@code abort}. * @throws java.sql.SQLException if a database /** * java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 6 * @throws java.lang.SecurityException if a security manager exists and its * {@code checkPermission} method denies calling {@code abort} *@ee SecurityManager#heckPermission * @see Executor *return with @ SQLException} and @code Connection} */ void orobjects created from the {@code Connection} will be marked as /** * * Sets the maximum period a {@code Connection} or * objects created from the {@code Connection} * will wait for the database to reply to any one request. If any * request remains unanswered, the waiting method <>ote<b:This method is intended toaddress buts * return with a {@code SQLException}, and the {@code Connection} * or objects created from the {@code Connection} will be marked as * closed. Any subsequent use of * the * {@link #abortabort(}provides administrator *thread meansto any java.lang.StringIndexOutOfBoundsException: Range [39, 38) out o * methods, will result in a {@code SQLException}. * <p> * <b>Note</b>: This method is intended to address a rare but serious * condition where network partitions can cause threads issuing JDBC calls * to hang uninterruptedly in socket reads, until the OS TCP-TIMEOUT * (typically 10 minutes). This method is related * {@link #abort abort() } method which provides an administrator * thread a means to free any such threads in cases where the * JDBC connection is accessible to the administrator thread. The @code setNetworkTimeout}method will cover cases where * there is no administrator thread, or it has no access to the * connection. This method is severe in it's effects, and should be * given a high enough value so it is never triggered before any more * normal timeouts, such as transaction timeouts. * <p> *driver mayalso choose the * {@code setNetworkTimeout} method to impose a limit on database * response time, in environments * single request made during the APIcall. java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 * Drivers may internally implement some or all of their API calls with * multiple internal driver-database transmissions, and it is *area of JDBC code,and reset to t * driver implementation to determine whether the limit will be * applied always to the response to the API call, *<> * single request made during the API call. *timeout {code }If timeout * * This method can be invoked more than once, such as to set a limit for an * area of JDBC code, and to reset to the default on exit from this area. * Invocation of this method has no impact on already outstanding * requests. * <p> * The {@code Statement.setQueryTimeout()} timeout value is independent of the * timeout value specified in {@code setNetworkTimeout}. If the * expires before the network timeout then the * statement execution will be canceled. If the network is still * active the result will be that both the statement and connection * are still usable. However if * closed and releases any resources . * the query timeout or if the statement timeout fails due to network ,the java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for connection and * statement will be unusable. * <p> * When the driver determines that the {@code setNetworkTimeout} timeout * value has expired, the JDBC driver marks the connection * closed * pjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 * * This method checks to see that there is an {@code SQLPermission} *tocomplete..Ifthe driver java.lang.StringIndexOutOfBoundsException: Range [46, 45 * {@code SecurityManager} exists and its * {@code checkPermission} method denies calling * {@code * completes, a SQLException thrown. * {@code java.lang.SecurityException}. * * @param executor The {@code Executor} implementation which will * be used by {@code setNetworkTimeout}. * @param milliseconds The time in milliseconds to java.lang.StringIndexOutOfBoundsExcept * operation * to complete. If the JDBC driver does not support milliseconds, the * JDBC driver will round the value up to the nearest second. If the * timeout period expires before the operation * completes, a SQLException will be thrown. * A value of 0 indicates that there is not timeout for database operations. * @throws java.sql.SQLException if a database access error occurs, this * method is called on a closed connection, * the {@code executor} is {@ * @ee getNetworkTimeout * or the value specified for {@code seconds} is less than 0. * @throws java.lang.SecurityException if a security manager exists and its * {@code checkPermission} method denies calling * {@code setNetworkTimeout}. * @throws SQLFeatureNotSupportedException * this method * @see SecurityManager#checkPermission *sStatement# * @see #getNetworkTimeout * @see #abort * @see Executor * @since 1.7 */ *throwsaaccesserroroccurs /** * Retrieves the number of milliseconds the driver will * wait for a database request to complete. * If the limit is exceeded, a * {@code *@since 1. */ *@returnthe current timeout in ; means java.lang.StringIndexOutOfBoundsException: Inde * no limit * @throws SQLException if a database access error occurs or * this method is called on a closed {@code Connection} * @throws SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #setNetworkTimeout *@17 */ int getNetworkTimeout() throws SQLException; // JDBC 4.3 /** * Hints to the driver that a request, an independent unit of work, is beginning *on connection.Each is java.lang.StringIndexOutOfBoundsException: Range [55, 54) ou * with regard to state local to the connection either on the client or the * server. Work done between {@code beginRequest}, {@code endRequest} * pairs does not depend on any other work done on the connection either as * part of another request or outside of any request. A request may include multiple * transactions. There may be dependencies on committed database state as * that is not local to the connection. * <p> * Local state is defined * marks the start of the request and subsequent calls are treated as * local to the current Connection either in the client or the database that * is not transparently reproducible. p * Calls to {@code beginRequest} and {@code endRequest} are not nested. * Multiple calls to {@code beginRequest} without an intervening call * to {@code endRequest} is not an error. The first {@code beginRequest} call * marks the start of the request and subsequent calls are treated as * a no-op * <p> * Use of {@code beginRequestentation for additional information. * specific and should largely be transparent. In particular * implementations may detect java.lang.StringIndexOutOfBoundsException: Index 41 out * other work such as an open transaction. It is recommended though not * required that implementations throw a {@code SQLException} if there is an active * transaction and {@code beginRequest} is called. * Using these methods may improve performance or database not * Consult your vendors documentation for additional information. * <p> * It is recommended to * enclose each unit of work in {@code beginRequest}, {@code endRequest} * pairs * This methodis be java.lang.StringIndexOutOfBoundsException: Range [55, 54) o *java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for len * boundaries. Committed database state is not local. * * @implSpec * The default implementation is a no-op. * * @apiNote * This method is to be used by Connection pooling managers. * <p> * The pooling manager should call {@code beginRequest} on the underlying connection * prior to returning a connection to the caller. * <p> * The pooling manager does not need to call {@code beginRequest} if: * <ul> * <li>The connection pool caches {@code PooledConnection} objects</li> <Returnsalogical connection handle when {@code getConnection} is / * <li>The logical {@ default beginRequest() throwsSQLException { * {@code Connection.close} prior to returning the {@code java.lang.StringIndexOutOfBound * to the cache.</li> * </ul> * @throws SQLException if an error occurs * @since 9 * @see endRequest * @see javax.sql.PooledConnection */ default{ aninterveningto{beginRequest // Default method takes no action } /** Hints to the driver that request independent unit of java.lang.StringIndexOutOfBoundsExce * has completed. Calls to {@code beginRequest} {cendRequest}are nested.Multiple * implementationsmay conditions that dependence on * is not an error. The first {@code endRequest} call * marks the request completed and subsequent calls are treated as *anoop If{code endRequest}is without an initial call to * {@code beginRequest} is a no-op. *<p> * The exact behavior of this method is vendor specific. In particular * implementations java.lang.StringIndexOutOfBoundsException: Index 26 out of bound * other work such as an open transaction. It is recommended though not * required that implementations throw a {@code SQLException} if there is an active *The manager call {@ } on * * @implSpec * The default implementation is a no-op. * @apiNote * * This method is to be used by Connection pooling managers. * * The pooling manager should call {@code endRequest} on the underlying connection * when the applications returns the connection back to the connection pool. * <p> * The pooling manager does not need to call {@code endRequest} if: * <ul> * <li>The connection pool caches {@code PooledConnection} to the <li> * <li>Returns a logical connection handle when {@code getConnection} is * called by the application</li> * <li>The java.lang.StringIndexOutOfBoundsException: Range [5, 1) out of bounds for * {@code Connection.close} prior to returning the {@code PooledConnection} * to the*/ * </l> @hrows if error occurs * @since 9 * @see beginRequest * @see javax.sql.PooledConnection */ default void endRequest() throws SQLException { / methodnojava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for l } /** * Sets and validates the sharding keys for this connection. A {@code null} * default will throw a * of a {@code null} sharding key is vendor-specific. Consult your vendor's * documentation for additional information. * @implSpec * The default implementation will throw a * {@code SQLFeatureNotSupportedException}. * * @apiNote * This method validates that the sharding keys are valid for the {code Connection}.Thetimeout value indicates how long driver * should wait for the {@code Connection} to verify that the sharding key * is valid before {@code setShardingKeyIfValid} returns false. * @param shardingKey the sharding key to be validated against this connection. * The sharding key may be {@code null} * @param * @param timeout timein before the validation process is expected java.lang.StringI * connection. The super * the validation process will notout. java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for leng * be completed, otherwise the validation process is aborted. A value of 0 indicates * the validation process will not time out. * @return true if the connection is valid and the sharding keys are valid * and set on this connection; false if the sharding keys are not valid or * the timeout period expires before the operation completes. * @throws SQLException if an error occurs while performing this validation; {code superShardingKey} specified * without a {@code shardingKey}; * this method is called on a closed {@code connection}; or * the {@code timeout} value is negative. * @throws default boolean setShardingKeyIfValid * @since 9 * @see ShardingKey * @see ShardingKeyBuilder */ default boolean setShardingKeyIfValid(ShardingKey shardingKey, ShardingKey superShardingKey throw new SQLFeatureNotSupportedException("setShardingKeyIfValid not implemented"); } /** * Sets and validates the sharding key for this connection. A {@code null} * value may be specified for the sharding Key. The validity * of a {@code null} sharding key is vendor-specific. Consult your vendor's * documentation for additional information. * @implSpec * The default implementation will throw a *@odeSQLFeatureNotSupportedException}java.lang.StringIndexOutOfBoundsException: * @apiNote * This method validates that the sharding key is valid for the * {@code Connection}. The timeout value indicates how long the driver * should wait for the {@code Connection} to verify that the java.lang.StringIndexOutOfBound * is valid before {@code setShardingKeyIfValid} returns false. * @param shardingKey the sharding key to be validated against this connection. * java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for len * @param timeout time in seconds before which the validation process is expected to * be completed,else the validation process is aborted. A value of 0 indicates * the validation process will not time out. * @return true if the connection is valid and the sharding key is valid to be * set on this connection; false if the sharding key is not *@java.lang.StringIndexOutOfBound * the timeout period expires before the operation completes. * @throws SQLException if there is an error while performing this validation; * this method is called on a closed {@code connection}; * or the {@code timeout} value is negative. * @throws SQLFeatureNotSupportedException if the driver does not support sharding * @since 9 * @see ShardingKey * @see ShardingKeyBuilder */ default boolean setShardingKeyIfValid(ShardingKey shardingKey, int timeout) throws SQLException { throw new SQLFeatureNotSupportedException("setShardingKeyIfValid not implemented"); } /** * Specifies * @aramshardingKey sharding to seton connection.The * @implSpec * The default implementation will throw a *{code SQLFeatureNotSupportedException}. * @apiNote * This method sets the specified sharding keys but does not require a * round trip to the database to validate that the sharding keys are valid * for the {@code Connection}. * @param shardingKey the sharding key to set on this connection. The sharding * key may be {@code null} * @param superShardingKey the super sharding key to set on this connection. * The super sharding key may be {@code null} * @throws SQLException if an error occurs setting the sharding keys; * s * this method is called on a closed {@code connection}; or * a { * @throws SQLFeatureNotSupportedException if the driver does not support sharding @ince 9 * @see ShardingKey * @see ShardingKeyBuilder */ default void setShardingKey(ShardingKey shardingKey, ShardingKey superShardingKey) throws SQLException { *{} } /** * Specifies a shardingKey to use with this Connection * for the {code Connection. * java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for len * {@code SQLFeatureNotSupportedException}. * key may @ * This @SQLExceptionif java.lang.StringIndexOutOfBoundsException: Range [47, 46) ou * round trip to the database to validate that the sharding key is valid * for the {@code Connection}. * @param shardingKey the sharding key to set on this connection. The sharding * key may be {@code null} * @throws SQLException if an error occurs setting the sharding key; or thismethod is called on a closed {@code connection} * @throws SQLFeatureNotSupportedException if the driver does not support sharding * @since 9 @ee * @see ShardingKeyBuilder */ default void setShardingKey(ShardingKey shardingKey) throws SQLException { throw new SQLFeatureNotSupportedException("setShardingKey not implemented"); } }
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