Mercurial > gemma
view schema/updates/0000/01.add_schema_version.sql @ 5559:ce9a9a1bf92f
Make invalid output of ISRSrange_area() less likely, next try
Since ST_MakeValid() might return a collection of lower-to-equal dimension
geometries, distill only the polygons from it. This should prevent
respective errors when trying to save the result to a column of type
MultiPolygon.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Thu, 02 Dec 2021 12:37:33 +0100 |
parents | 7b7c324b318f |
children |
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CREATE TABLE gemma_schema_version ( version int PRIMARY KEY, update_date timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP ); CREATE OR REPLACE FUNCTION get_schema_version() RETURNS int LANGUAGE plpgsql AS $$ BEGIN RETURN ( SELECT max(version) FROM gemma_schema_version ); END; $$;