[postgis-users] Query for all the polygon tables
Matt Lynch
matt at terraEngine.com
Tue Nov 18 14:39:39 PST 2003
Hi Paul,
I have used addgeometry column for all my tables, so how would I do the
query?
Thanks,
Matt
-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Paul
Ramsey
Sent: Tuesday, November 18, 2003 2:40 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] Query for all the polygon tables
If you manage your columns carefully using addgeometrycolumn and
dropgeometrycolumn, you should be able to do this with a trivial query
against GEOMETRY_COLUMNS.
Paul
Matt Lynch wrote:
> Hi,
>
> I would like to be able to query for all the polygon tables in a
> specific postgis database.
>
> I dug around on the net and figured out how to find all the tables,
> that is
>
> SELECT c.relname, 'table'::text, u.usename FROM pg_class c,pg_user u
> WHERE c.relowner = u.usesysid AND c.relkind='r' AND NOT EXISTS (SELECT
> 1 FROM pg_views WHERE viewname=c.relname) AND c.relname !~ '^pg_';
>
> Now I need some help to restrict to the polygon tables.
>
> Any suggestions?
>
> Thanks,
>
> Matt
>
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__
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| Paul Ramsey
| Refractions Research
| Email: pramsey at refractions.net
| Phone: (250) 885-0632
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