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60 lines
957 B
PHP
60 lines
957 B
PHP
<?php
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/**
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*
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* @package dbal
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* @copyright (c) 2013 phpBB Group
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* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
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*
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*/
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namespace phpbb\db\driver;
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/**
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* MSSQL Database Base Abstraction Layer
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* @package dbal
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*/
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abstract class mssql_base extends \phpbb\db\driver\driver
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{
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/**
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* {@inheritDoc}
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*/
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public function sql_concatenate($expr1, $expr2)
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{
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return $expr1 . ' + ' . $expr2;
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}
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/**
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* {@inheritDoc}
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*/
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function sql_escape($msg)
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{
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return str_replace(array("'", "\0"), array("''", ''), $msg);
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}
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/**
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* {@inheritDoc}
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*/
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function sql_lower_text($column_name)
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{
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return "LOWER(SUBSTRING($column_name, 1, DATALENGTH($column_name)))";
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}
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/**
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* Build LIKE expression
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* @access private
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*/
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function _sql_like_expression($expression)
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{
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return $expression . " ESCAPE '\\'";
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}
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/**
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* Build db-specific query data
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* @access private
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*/
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function _sql_custom_build($stage, $data)
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{
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return $data;
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}
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}
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