[postgis-users] Problems

[Willy-Bas Loos]

we would need more info to answer that.
* the error message
* the table definition

That would probably do.
 possibly also:
* some data from building_poly with which the error can reproduced.

cheers,

WBL

On Fri, Jul 15, 2011 at 7:32 PM, Brian Sanjeewa Rupasinghe
<jinkabs at gmail.com> wrote:
> I have nbuff table created with two columns; autoid serial and Geometry
> column in PostGIS. After adding the_geom column, i tried to insert data
> using following query:
>
> INSERT INTO nbuff (the_geom) VALUES ((SELECT
> ST_AsText(ST_ConvexHull(ST_Union(the_geom) FROM building_poly))));
>
> However, when above query is run, it gives an error message. how can i solve
> ths?
>
> cheers, Sanjeewa.
>
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