Re: pg_constraint missing many entries? - Mailing list pgsql-general

From Martijn van Oosterhout
Subject Re: pg_constraint missing many entries?
Date
Msg-id 20031117205516.GA862@svana.org
Whole thread Raw
In response to pg_constraint missing many entries?  (Jeff Boes <jboes@nexcerpt.com>)
Responses Bug in adddepend (was: pg_constraint missing many entries?)
List pgsql-general
That's right, pg_constraint didn't exist before 7.3. In the contrib
directory there is a script called adddepend which attempts to create the
missing records for you.

On Mon, Nov 17, 2003 at 08:20:54PM +0000, Jeff Boes wrote:
> Almost all of my foreign key definitions are NOT present in
> pg_constraint. However, they do exist as triggers. It appears that *new*
> foreign keys, whether defined in new tables or added on via "ALTER
> TABLE" commands, make it into pg_constraint, but the "old" stuff that
> was present from before our 7.3 upgrade, exists only as triggers.
>
> 1) Is this a bug?
>
> 2) Is there any way to "refresh" pg_constraint? (I'm experimenting with
> a tool that graphs a schema, and it needs a bit of code written to
> determine from a table and column name whether that column is a foreign
> key, and to what table. pg_constraint where contype = 'f' seems to be
> the ticket, but on my database it's inadequate.)
>
>
> --
> Jeff Boes                                      vox 269.226.9550 ext 24
> Database Engineer                                     fax 269.349.9076
> Nexcerpt, Inc.                                 http://www.nexcerpt.com
>            ...Nexcerpt... Extend your Expertise
>
>
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--
Martijn van Oosterhout   <kleptog@svana.org>   http://svana.org/kleptog/
> "All that is needed for the forces of evil to triumph is for enough good
> men to do nothing." - Edmond Burke
> "The penalty good people pay for not being interested in politics is to be
> governed by people worse than themselves." - Plato

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