[postgis-users] creating points from polygons, storing all attributes

[paul.malm at lfv.se]

Thanks, I've tried that but get this error:
ERROR: column "the_geom" is specified more than once SQL state: 42701
/Paul

Från: postgis-users [mailto:postgis-users-bounces at lists.osgeo.org] För Derek Watling
Skickat: den 4 juli 2019 13:55
Till: PostGIS Users Discussion
Ämne: Re: [postgis-users] creating points from polygons, storing all attributes

CREATE TABLE NewPointLayer AS SELECT *, ST_PointOnSurface(the_geom)::geometry(Point,32632) AS the_geom FROM OldPolygonLayer

From: postgis-users <postgis-users-bounces at lists.osgeo.org> On Behalf Of paul.malm at lfv.se
Sent: Thursday, 04 July 2019 13:47
To: postgis-users at lists.osgeo.org
Subject: [postgis-users] creating points from polygons, storing all attributes

Hi,
I would like to create a point table from a polygon table. One point in each polygon
Query = CREATE TABLE NewPointLayer AS SELECT ST_PointOnSurface(the_geom)::geometry(Point,32632) AS the_geom FROM OldPolygonLayer

But how do I write the query to get all the attributes from OldPolygonLayer to the NewPointLayer?

Thanks in advance,
Paul


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