After updating the SQL_MODE, it works as I expect. Thanks for your prompt replies!
Johan -----Original Message----- From: petya [mailto:pe...@petya.org.hu] Sent: Monday, March 21, 2011 12:10 PM To: Johan De Taeye Cc: mysql@lists.mysql.com Subject: Re: Problem filtering with a "like" expression Hi, || isn't the concatenation operator by default. If you want it to be set sql_mode=PIPE_AS_CONCAT. Otherwise, use the CONCAT() function instead of || operator. Peter Boros On 03/21/2011 11:51 AM, Johan De Taeye wrote: > I ran into this case where a "like" expression is not evaluated > correctly if the pattern is an expression. > The example below shows a case where *AAA* is not considered *like 'A' > || > '%'* > Is this a known limitation? Or a bug? > > > create table lookup ( > name varchar(60) > ); > > insert into lookup (name) values ('AAA'); > > select * from lookup where name like 'A%'; > => 1 record returned. OK > > select * from lookup where name like 'A' || '%'; > => returns nothing. INCORRECT! > select * from lookup where name like ('A' || '%'); > => same as previous and returns nothing. INCORRECT! > > > I reproduced this problem on win32 using versions 5.1 and 5.5.10 > > > Best regards, > > Johan > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
