On Tue, 27 Jul 2004 01:33:44 +0200, Andreas Joseph Krogh <[EMAIL PROTECTED]> wrote: > 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
yes, I had that further down in the original example: > > test=> SELECT * FROM foo WHERE id IN (SELECT bar.id FROM bar); > > ERROR: column bar.id does not exist Ian Barwick [EMAIL PROTECTED] ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
