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an other PostgreSQL compatibility problem: cast to varchar necessary

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This commit is contained in:
Ralf Becker 2010-10-28 08:47:52 +00:00
parent 5cd2b962ea
commit de903d8957
1 changed files with 19 additions and 3 deletions
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22
phpgwapi/inc/class.egw_db.inc.php
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@ -1251,7 +1251,7 @@ class egw_db
case 'mssql': case 'mssql':
return "DATEDIFF(second,'1970-01-01',($expr))"; return "DATEDIFF(second,'1970-01-01',($expr))";
} }
} }
/** /**
@ -1312,10 +1312,10 @@ class egw_db
} }
return false; return false;
} }
/** /**
* Cast a column or sql expression to integer, necessary at least for postgreSQL * Cast a column or sql expression to integer, necessary at least for postgreSQL
* *
* @param string $expr * @param string $expr
* @return string * @return string
*/ */
@ -1329,6 +1329,22 @@ class egw_db
return $expr; return $expr;
} }
/**
* Cast a column or sql expression to varchar, necessary at least for postgreSQL
*
* @param string $expr
* @return string
*/
function to_varchar($expr)
{
switch($this->Type)
{
case 'pgsql':
return 'CAST('.$expr.' AS varchar)';
}
return $expr;
}
/** /**
* Correctly Quote Identifiers like table- or colmnnames for use in SQL-statements * Correctly Quote Identifiers like table- or colmnnames for use in SQL-statements
* *