getIsNullFunction
string public \Bitrix\Main\DB\OracleSqlHelper::getIsNullFunction( string $expression, string $result );
This non-static method returns SQL function returns SQL function for testing database field or expressions against NULL value. When it is NULL then $result
will be returned.
All parameters are SQL unsafe.
Parameters
Parameter | Description | Version |
---|---|---|
$expression | Database field or expression for >NULL test. | |
$result | Database field or expression to return when $expression is NULL. |
Examples
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