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134 lines
3.8 KiB
PHP
Executable File
134 lines
3.8 KiB
PHP
Executable File
<?php
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/*
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* $Id: DBSybase.php 536 2007-01-10 14:30:38Z heltem $
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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://propel.phpdb.org>.
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*/
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require_once 'propel/adapter/DBAdapter.php';
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/**
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* This is used to connect to a Sybase database using Sybase's
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* Creole driver.
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*
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* <B>NOTE:</B><I>Currently JConnect does not implement the required
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* methods for ResultSetMetaData, and therefore the village API's may
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* not function. For connection pooling, everything works.</I>
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*
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* @author Hans Lellelid <hans@xmpl.org> (Propel)
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* @author Jeff Brekke <ekkerbj@netscape.net> (Torque)
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* @version $Revision: 536 $
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* @package propel.adapter
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*/
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class DBSybase extends DBAdapter {
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/**
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* This method is used to ignore case.
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*
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* @param in The string to transform to upper case.
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* @return The upper case string.
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*/
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public function toUpperCase($in)
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{
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return "UPPER(" . $in . ")";
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}
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/**
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* This method is used to ignore case.
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*
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* @param in The string whose case to ignore.
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* @return The string in a case that can be ignored.
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*/
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public function ignoreCase($in)
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{
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return "UPPER(" . $in . ")";
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}
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/**
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* Returns SQL which concatenates the second string to the first.
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*
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* @param string String to concatenate.
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* @param string String to append.
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* @return string
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*/
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public function concatString($s1, $s2)
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{
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return "($s1 + $s2)";
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}
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/**
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* Returns SQL which extracts a substring.
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*
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* @param string String to extract from.
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* @param int Offset to start from.
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* @param int Number of characters to extract.
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* @return string
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*/
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public function subString($s, $pos, $len)
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{
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return "SUBSTRING($s, $pos, $len)";
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}
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/**
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* Returns SQL which calculates the length (in chars) of a string.
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*
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* @param string String to calculate length of.
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* @return string
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*/
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public function strLength($s)
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{
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return "LEN($s)";
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}
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/**
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* Locks the specified table.
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*
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* @param Connection $con The Creole connection to use.
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* @param string $table The name of the table to lock.
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* @throws SQLException No Statement could be created or executed.
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*/
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public function lockTable(Connection $con, $table)
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{
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$statement = $con->createStatement();
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$sql = "SELECT next_id FROM " . $table . " FOR UPDATE";
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$statement->executeQuery($sql);
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}
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/**
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* Unlocks the specified table.
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*
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* @param Connection $con The Creole connection to use.
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* @param string $table The name of the table to unlock.
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* @throws SQLException No Statement could be created or executed.
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*/
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public function unlockTable(Connection $con, $table)
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{
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// Tables in Sybase are unlocked when a commit is issued. The
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// user may have issued a commit but do it here to be sure.
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$con->commit();
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}
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/**
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* @see DBAdapter::quoteIdentifier()
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*/
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public function quoteIdentifier($text)
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{
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return '[' . $text . ']';
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}
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}
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