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new wrapper for LIKE expressions to streamline the fixes. We actually need to adjust them for different DBMS as well as SQLite2 not supporting escaping characters in LIKE statements (which is a reason why we think about dropping sqlite support completely).

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git-svn-id: file:///svn/phpbb/trunk@7788 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen
2007-06-23 12:16:20 +00:00
parent 1e2db705ca
commit 318418b0f2
18 changed files with 97 additions and 82 deletions
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16
phpBB/includes/db/mssql.php
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@@ -308,6 +308,22 @@ class dbal_mssql extends dbal
return str_replace("'", "''", $msg);
}
/**
* Correctly adjust LIKE expression for special characters
* MSSQL needs an escape character being defined
*/
function sql_like_expression($expression)
{
// Standard for most DBMS
if (strpos($expression, '_') === false)
{
return 'LIKE \'' . $this->sql_escape($expression) . '\'';
}
// sql_like_expression is only allowed directly within single quotes (to ease the use of it), therefore the special writing of ESCAPE below
return 'LIKE \'' . $this->sql_escape(str_replace('_', "\_", $expression)) . "' ESCAPE '\\'";
}
/**
* return sql error array
* @access private