[Dbix-class] outer join with explicit criteria rears its ugly
head (again)
Jason Gottshall
jgottshall at capwiz.com
Tue Oct 14 17:51:31 BST 2008
Jason Gottshall wrote:
> SELECT book.*, book_user.*
> FROM book
> LEFT OUTER JOIN book_user
> ON ( book_user.book_id = book.book_id
> AND book.user_id = 'givenuser'
> )
michael reddick wrote:
> The and "book.user_id = 'giveruser'" doesn't have to be in the ON
> statement does it? You could just put it into the where clause and it
> should work the same.
Yeah, that's the first thing I tried, but it didn't work (on Oracle,
anyway.) When I move the explicit criteria to the WHERE clause, I seem
to lose the left-outer-ness of the join, and I only get back books for
which the book_user table has a record. I'm stumped. Anyone else?
Jason
More information about the DBIx-Class
mailing list