There is no index on the table. postgis_full_version ------------------------------------------------------------------------------------------------------- POSTGIS="1.5.5" GEOS="3.2.0-CAPI-1.6.0" PROJ="Rel. 4.7.1, 23 September 2009" LIBXML="2.7.8" USE_STATS
version ------------------------------------------------------------------------------------------------------- PostgreSQL 9.1.4 on x86_64-unknown-linux-gnu, compiled by gcc-4.4.real (Debian 4.4.5-8) 4.4.5, 64-bit Until this Monday, I was using Postgresql 8.4 and postgis 1.5.1 On Wed, Jul 25, 2012 at 2:54 PM, Sandro Santilli <s...@keybit.net> wrote: > On Wed, Jul 25, 2012 at 02:27:14PM +0100, Rebecca Clarke wrote: > > Your code below works for me also. It's obviously just my data. > > > > the field is data type bytea: > > > > \x010300000000000000 > > Looks like HEXWKB to me, for "POLYGON EMPTY". > What makes you think it is "bytea" ? > > > I ran: > > > > select st_astext(the_geom) from tbl where id = 6052 > > > > and it returns: "POLYGON EMPTY" > > > > When I run the st_isvalid on it: > > > > select st_isvalid(the_geom) from tbl where id = 6052 > > or > > select st_isvalid(the_geom::geometry) from tbl where id = 6052 > > > > It throws the segmentation error. > > > > I just upgrade to postgis 1.5.5 and this made no difference. > > Can you show the output of "SELECT postgis_full_version()" > _and_ the output of "SELECT version()" ? > Is there an index on "tbl" ? > > --strk; > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users >
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