Re: Remove unneeded left joins from psql - Mailing list pgsql-patches

From Greg Sabino Mullane
Subject Re: Remove unneeded left joins from psql
Date
Msg-id c827c8f448048e77edd6f7a0bc299577@biglumber.com
Whole thread Raw
In response to Re: Remove unneeded left joins from psql  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-patches
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


> I'm still not happy about this.  "Joining column is not null" has
> nothing to do with it --- what is at issue is whether there is certain
> to be a match.  Since we do not have foreign-key enforcement on the
> system catalog interrelationships, it is possible for system bugs or
> manual intervention to create non-matching situations.

Yes, you are right about this: we should fail in a way that puts a null
schema rather than not matching at all. Must get more sleep before
blindly patching next time. :)

- --
Greg Sabino Mullane greg@turnstep.com
PGP Key: 0x14964AC8 200504122121
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8

-----BEGIN PGP SIGNATURE-----

iD8DBQFCXHRhvJuQZxSWSsgRAv8yAJ97xvvNVJ5Tvcwlr7f5mIDqtXBqpACgkvro
pvWsWqanqcTnfO9thU8n0j4=
=aYbU
-----END PGP SIGNATURE-----



pgsql-patches by date:

Previous
From: Simon Riggs
Date:
Subject: Re: COPY Fillfactor patch
Next
From: Mark Kirkwood
Date:
Subject: Re: Proof of concept for MIN/MAX optimization