I am getting an error from ST_Tranform while using ST_Intersection: No function matches the given name and argument types. You might need to add explicit type casts.

select ST_Intersection(ST_Transform(ST_GeomFromText('POLYGON((
200000 2900000,250000 3500000,300000 2960000,200000 2967400,200000 
2900000))',96703),4326), ST_Transform((geom, 2249), 4326))
from polygon_folder;
  • You forgot a function around (geom, 2249) – thibautg Jun 7 '16 at 20:21

You probably want to do this:

  select ST_Intersection(
    200000 2900000,250000 3500000,300000 2960000,200000 2967400,200000 

ST_Transform(geom, 4326))
from polygon_folder;

But, I am quite sure (from Finding all polygons inside of a polygon) that ST_Intersection is not really what you need....

  • So what is a good way to find all the polygons that intersect with a given polygon? @WKT – moffittime Jun 7 '16 at 20:29
  • About select * from polygon_folder pf where ST_Intersects(pf.geometry, ST_GeomFromText('....'); – user30184 Jun 7 '16 at 20:35

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