On Tuesday 27 July 2004 01:15, Ian Barwick wrote: > Apologies if this has been covered previously. > > Given a statement like this: > SELECT * FROM foo WHERE id IN (SELECT id FROM bar) > I would expect it to fail if "bar" does not have a column "id". The > test case below (tested in 7.4.3 and 7.4.1) shows this statement > will however appear succeed, but produce a cartesian join (?) if "bar" > contains a foreign key referencing "foo.id". [snip] > test=> SELECT * FROM foo WHERE id IN (SELECT id FROM bar); > id > ---- > 1 > 2 > (2 rows)
This, however, does not work: andreak=# SELECT * FROM foo WHERE id IN (SELECT b.id FROM bar b); ERROR: column b.id does not exist -- Andreas Joseph Krogh <[EMAIL PROTECTED]> Senior Software Developer / Manager gpg public_key: http://dev.officenet.no/~andreak/public_key.asc ------------------------+---------------------------------------------+ OfficeNet AS | - a tool should do one job, and do it well. | Hoffsveien 17 | | PO. Box 425 Skøyen | | 0213 Oslo | | NORWAY | | Phone : +47 22 13 01 00 | | Direct: +47 22 13 10 03 | | Mobile: +47 909 56 963 | | ------------------------+---------------------------------------------+
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