MySQL Forums
Forum List  »  Optimizer & Parser

Re: LEFT JOIN Issue in 5.0
Posted by: Bob Field
Date: April 10, 2006 10:37AM

In 5.0, MySQL has changed the way commas are handled in joins. A comma is an implicit style of join, and in my opinion should be avoided, because of this sort of problem and because it's not ANSI. Effectively here you have two joins and only one ON condition.

Options: ReplyQuote


Subject
Views
Written By
Posted
3662
April 10, 2006 10:28AM
Re: LEFT JOIN Issue in 5.0
1949
April 10, 2006 10:37AM
1897
April 10, 2006 11:38AM
1992
April 10, 2006 12:50PM
2032
April 10, 2006 03:11PM
1845
April 10, 2006 03:24PM
1833
April 11, 2006 07:34AM
1931
April 11, 2006 07:34AM


Sorry, you can't reply to this topic. It has been closed.

Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not necessarily represent the opinion of Oracle or any other party.