Forums → Pragmatic GIS →

 
Mar 23, 2008 8:41am
Generic-user-small Bill Parrill 2 posts

I’m on chapter 5.9 and have reached the point where I’m supposed to create the multipolygons. However, when I run the select statement, I get an error:

g4wd=# select name, GeomUnion(the_geom) as location into us_50 from us_states group by name; ERROR: Operation on mixed SRID geometries

Any ideas what’s going on? Thanks! I’m using PostgreSQL 8.3.1.

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