[postgis-users] Function of table "geometry_columns"

Craig Miller craig.miller at spatialminds.com
Wed Apr 12 00:12:25 PDT 2006

Not trying to say RTFM, but a really good description of the table is
described in the PostGIS manual at postgis.refractions.net.


-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of Kai
Sent: Tuesday, April 11, 2006 11:57 PM
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] Function of table "geometry_columns"

Hello to all,
I would like to know what the table "geometry_columns" is for.
I work with UMN Mapserver and I have several geodata.
Everything works really fine with postgis.:-) If I make a new table with
geodata automatically an entry in the "geometry_columns" follows (with
informations to SRID,type, etc.)  but I would like to know, if this is only
a statistical table or if it is absolutely necessary?
I also would like to knwo, what the oid in "geometry_columns" wants to tell
Thank you very much.

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