PostGIS 2.0 st_geomfromgml using LineString fails with invalid GML representation

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I am attempting to insert a geometry into a table using the st_geomfromgml function.

The GML is being sourced from a Geoserver WFS request.

The function call looks like this

st_geomfromgml(' 146.48296 -18.6222 146.48296 -18.6222');

This worked on PostGIS version POSTGIS="1.5.3" GEOS="3.3.1-CAPI-1.7.1" PROJ="Rel. 4.7.1, 23 September 2009" LIBXML="2.7.3" USE_STATS

but fails on POSTGIS="2.0.0 r9605" GEOS="3.3.3-CAPI-1.7.4" PROJ="Rel. 4.8.0, 6 March 2012" LIBXML="2.7.8" LIBJSON="UNKNOWN"

However I can make it work if I specify three dimensions like so;

select st_geomfromgml(' 146.48296 -18.6222 0 146.48296 -18.6222 0');

Is there a way to keep the geometry in two dimensions and insert it?



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