From | Emils |
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Subject | Re: Outer joins |
Date | |
Msg-id | [email protected] Whole thread Raw |
In response to | Outer joins ("Michael S. Kelly" <[email protected]>) |
List | pgsql-sql |
(damn gmail, sorry about priv mail earlier) > Stephan Szabo <[email protected]>: > I think putting a test in an ON clause associated with the join (using > something like ... left join object_values ov1 ON(ov.obj_id = ov1.obj_id > and ov1.att_id=8) rather than where will consider both as part of the join > and null extend even if there are obj_id matches if none of those have > att_id=8. Thanks, that worked! 2006/4/28, Tom Lane <[email protected]>: > Emils <[email protected]> writes: > > The table structure is: > > > object_values > > ========== > This isn't an outer-join problem, it's a crosstab problem. Try the > crosstab functions in contrib/tablefunc. > Thanks, I looked into it, unfortunately I might have to have also a solution for where installing contrib stuff is not possible. Emils
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