115 lines
No EOL
3.1 KiB
PHP
115 lines
No EOL
3.1 KiB
PHP
<?php
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/*
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* $Id: ODBCAdapter.php,v 1.3 2005/10/17 19:03:51 dlawson_mi Exp $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information please see
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* <http://creole.phpdb.org>.
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*/
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/**
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* Default class for ODBC driver-specific behavior.
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*
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* @author Dave Lawson <dlawson@masterytech.com>
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* @version $Revision: 1.3 $
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* @package creole.drivers.odbc
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*/
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class ODBCAdapter
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{
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/**
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* Returns true if column case is preserved in the database when a table
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* is first created. Returns false if table does not preserve case (i.e.
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* ProductID => PRODUCTID).
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*
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* @return boolean
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*/
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public function preservesColumnCase()
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{
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return true;
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}
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/**
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* Returns true if prepared statements should be emulated. This
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* might be useful if your driver does not support (or has trouble with)
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* prepared statements.
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*
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* @return boolean
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*/
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public function emulatePrepareStmt()
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{
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return false;
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}
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/**
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* Returns true if ODBC driver supports LIMIT/OFFSET via SQL.
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*
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* @return boolean
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*/
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public function hasLimitOffset()
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{
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return false;
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}
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/**
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* @see Connection::applyLimit()
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*/
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public function applyLimit(&$sql, $offset, $limit)
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{
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}
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/**
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* @see PreparedStatementCommon::escape()
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*/
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public function escape($str)
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{
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// use this instead of magic_quotes_sybase + addslashes(),
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// just in case multiple RDBMS being used at the same time
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return str_replace("'", "''", $str);
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}
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/**
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* Returns an instance of the default resultset.
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*
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* @return boolean
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*/
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public function createResultSet($conn, $odbcresult, $fetchmode)
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{
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require_once 'creole/drivers/odbc/ODBCResultSet.php';
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return new ODBCResultSet($conn, $odbcresult, $fetchmode);
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}
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/**
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* Returns the default ODBCIdGenerator for emulating sequences.
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*
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* @return ODBCIdGenerator
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*/
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public function getIdGenerator($conn)
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{
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require_once 'creole/drivers/odbc/ODBCIdGenerator.php';
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return new ODBCIdGenerator($conn);
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}
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/**
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* Returns true if driver support transactions.
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*
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* @return boolean
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*/
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public function supportsTransactions()
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{
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return true;
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}
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}
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?>
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