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Diffstat (limited to 'libjava/java/sql/Statement.java')
| -rw-r--r-- | libjava/java/sql/Statement.java | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/libjava/java/sql/Statement.java b/libjava/java/sql/Statement.java deleted file mode 100644 index 1ceeb0f6837..00000000000 --- a/libjava/java/sql/Statement.java +++ /dev/null @@ -1,277 +0,0 @@ -/* Statement.java -- Interface for executing SQL statements. - Copyright (C) 1999 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -02111-1307 USA. - -As a special exception, if you link this library with other files to -produce an executable, this library does not by itself cause the -resulting executable to be covered by the GNU General Public License. -This exception does not however invalidate any other reasons why the -executable file might be covered by the GNU General Public License. */ - - -package java.sql; - -/** - * This interface provides a mechanism for executing SQL statements. - * - * @author Aaron M. Renn (arenn@urbanophile.com) - */ -public interface Statement -{ - -/** - * This method executes the specified SQL SELECT statement and returns a - * (possibly empty) <code>ResultSet</code> with the results of the query. - * - * @param sql The SQL statement to execute. - * - * @return The result set of the SQL statement. - * - * @exception SQLException If an error occurs. - */ -public abstract ResultSet -executeQuery(String sql) throws SQLException; - -/*************************************************************************/ - -/** - * This method executes the specified SQL INSERT, UPDATE, or DELETE statement - * and returns the number of rows affected, which may be 0. - * - * @param sql The SQL statement to execute. - * - * @return The number of rows affected by the SQL statement. - * - * @exception SQLException If an error occurs. - */ -public abstract int -executeUpdate(String sql) throws SQLException; - -/*************************************************************************/ - -/** - * This method closes the statement and frees any associated resources. - * - * @exception SQLException If an error occurs. - */ -public abstract void -close() throws SQLException; - -/*************************************************************************/ - -/** - * This method returns the maximum length of any column value in bytes. - * - * @return The maximum length of any column value in bytes. - * - * @exception SQLException If an error occurs. - */ -public abstract int -getMaxFieldSize() throws SQLException; - -/*************************************************************************/ - -/** - * This method sets the limit for the maximum length of any column in bytes. - * - * @param maxsize The new maximum length of any column in bytes. - * - * @exception SQLException If an error occurs. - */ -public abstract void -setMaxFieldSize(int maxsize) throws SQLException; - -/*************************************************************************/ - -/** - * This method returns the maximum possible number of rows in a result set. - * - * @return The maximum possible number of rows in a result set. - * - * @exception SQLException If an error occurs. - */ -public abstract int -getMaxRows() throws SQLException; - -/*************************************************************************/ - -/** - * This method sets the maximum number of rows that can be present in a - * result set. - * - * @param maxrows The maximum possible number of rows in a result set. - * - * @exception SQLException If an error occurs. - */ -public abstract void -setMaxRows(int maxrows) throws SQLException; - -/*************************************************************************/ - -/** - * This method sets the local escape processing mode on or off. The - * default value is on. - * - * @param escape <code>true</code> to enable local escape processing, - * <code>false</code> to disable it. - * - * @exception SQLException If an error occurs. - */ -public abstract void -setEscapeProcessing(boolean esacpe) throws SQLException; - -/*************************************************************************/ - -/** - * The method returns the number of seconds a statement may be in process - * before timing out. A value of 0 means there is no timeout. - * - * @return The SQL statement timeout in seconds. - * - * @exception SQLException If an error occurs. - */ -public abstract int -getQueryTimeout() throws SQLException; - -/*************************************************************************/ - -/** - * This method sets the number of seconds a statement may be in process - * before timing out. A value of 0 means there is no timeout. - * - * @param timeout The new SQL statement timeout value. - * - * @exception SQLException If an error occurs. - */ -public abstract void -setQueryTimeout(int timeout) throws SQLException; - -/*************************************************************************/ - -/** - * This method cancels an outstanding statement, if the database supports - * that operation. - * - * @exception SQLException If an error occurs. - */ -public abstract void -cancel() throws SQLException; - -/*************************************************************************/ - -/** - * This method returns the first SQL warning attached to this statement. - * Subsequent warnings will be chained to this one. - * - * @return The first SQL warning for this statement. - * - * @exception SQLException If an error occurs. - */ -public abstract SQLWarning -getWarnings() throws SQLException; - -/*************************************************************************/ - -/** - * This method clears any SQL warnings that have been attached to this - * statement. - * - * @exception SQLException If an error occurs. - */ -public abstract void -clearWarnings() throws SQLException; - -/*************************************************************************/ - -/** - * This method sets the cursor name that will be used by the result set. - * - * @param name The cursor name to use for this statement. - * - * @exception SQLException If an error occurs. - */ -public abstract void -setCursorName(String name) throws SQLException; - -/*************************************************************************/ - -/** - * This method executes an arbitrary SQL statement of any time. The - * methods <code>getResultSet</code>, <code>getMoreResults</code> and - * <code>getUpdateCount</code> retrieve the results. - * - * @return <code>true</code> if a result set was returned, <code>false</code> - * if an update count was returned. - * - * @exception SQLException If an error occurs. - */ -public abstract boolean -execute(String sql) throws SQLException; - -/*************************************************************************/ - -/** - * This method returns the result set of the SQL statement that was - * executed. This should be called only once per result set returned. - * - * @return The result set of the query, or <code>null</code> if there was - * no result set (for example, if the statement was an UPDATE). - * - * @exception SQLException If an error occurs. - * - * @see execute - */ -public abstract ResultSet -getResultSet() throws SQLException; - -/*************************************************************************/ - -/** - * This method returns the update count of the SQL statement that was - * executed. This should be called only once per executed SQL statement. - * - * @return The update count of the query, or -1 if there was no update - * count (for example, if the statement was a SELECT). - * - * @exception SQLException If an error occurs. - * - * @see execute - */ -public abstract int -getUpdateCount() throws SQLException; - -/*************************************************************************/ - -/** - * This method advances the result set pointer to the next result set, - * which can then be retrieved using <code>getResultSet</code> - * - * @return <code>true</code> if there is another result set, - * <code>false</code> otherwise (for example, the next result is an - * update count). - * - * @exception SQLException If an error occurs. - * - * @see execute - */ -public abstract boolean -getMoreResults() throws SQLException; - -} // interface Statement - |