[ticket/12671] Possibility to use NOT LIKE expression

PHPBB3-12671

phpBB/phpbb/db/driver/postgres.php

@@ -370,6 +370,15 @@ class postgres extends \phpbb\db\driver\driver
 		return $expression;
 	}
 
+	/**
+	* Build NOT LIKE expression
+	* @access private
+	*/
+	function _sql_not_like_expression($expression)
+	{
+		return $expression;
+	}
+
 	/**
 	* {@inheritDoc}
 	*/