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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I have a query that places points in polygons:<o:p></o:p></p><p class=MsoNormal>insert into results (<o:p></o:p></p><p class=MsoNormal> select a.point_id, b.polygon_id <o:p></o:p></p><p class=MsoNormal> from points a, polygons b <o:p></o:p></p><p class=MsoNormal> where st_contains(ST_GeomFromWKB(ST_AsBinary(b.geog),4326),ST_GeomFromWKB(ST_AsBinary(a.geog),4326)) = 't' <o:p></o:p></p><p class=MsoNormal>); <o:p></o:p></p><p class=MsoNormal>There are ~1M points and ~300k polygons. There are geo indexes on the geog columns of both tables.<o:p></o:p></p><p class=MsoNormal>What changes would make the query faster?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you very much.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Michael<o:p></o:p></p></div></body></html>
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