函数
SET GLOBAL log_bin_trust_function_creators=;
DROP FUNCTION IF EXISTS fnStripTags;
DELIMITER |
CREATE FUNCTION fnStripTags( Dirty text() )
RETURNS text()
DETERMINISTIC
BEGIN
DECLARE iStart, iEnd, iLength int;
WHILE Locate( '<', Dirty ) > And Locate( '>', Dirty, Locate( '<', Dirty )) > DO
BEGIN
SET iStart = Locate( '<', Dirty ), iEnd = Locate( '>', Dirty, Locate('<', Dirty ));
SET iLength = ( iEnd - iStart) + ;
IF iLength > THEN
BEGIN
SET Dirty = Insert( Dirty, iStart, iLength, '');
END;
END IF;
END;
END WHILE;
RETURN Dirty;
END;
|
DELIMITER ;
语句
SELECT fnStripTags(content),content FROM `t_knowledgenew`;