Re: foreign keys - script - Mailing list pgsql-general

From Emile D Snyder
Subject Re: foreign keys - script
Date
Msg-id Pine.LNX.4.10.10008291330500.19383-100000@everclear.cosource.com
Whole thread Raw
In response to Re: foreign keys - script  ("Ross J. Reedstrom" <reedstrm@rice.edu>)
List pgsql-general
This question was me actually, and thanks for the info!  Is the
development list archived somewhere publicly accessible?

thanks,
-emile

On Tue, 29 Aug 2000, Ross J. Reedstrom wrote:

> As to your other question, regarding LEFT JOIN: that's 'not yet
> implemented'.  IF you don't have too many of them, or their not too
> complicated, you can work around it with a UNION, such as:
>
> SELECT a,b from foo,bar where foo.b = bar.b
> UNION
> SELECT a,NULL from foo where foo.b is null;
>
> That gives you a LEFT JOIN on foo and bar on field 'b'.
>
> There's currently some discussion going on on HACKERS concerning what
> will be needed to make OUTER JOINs happen for 7.1 (current talk is
> release sometime in November)
>
> Ross
> --
> Ross J. Reedstrom, Ph.D., <reedstrm@rice.edu>
> NSBRI Research Scientist/Programmer
> Computer and Information Technology Institute
> Rice University, 6100 S. Main St.,  Houston, TX 77005
>


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