This is odd, I am not able to replicate... -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- POSTGIS="3.6.1dev 3.6.0-6-gdb18a9a49" PGSQL="180" GEOS="3.15.0dev-CAPI-1.21.0" PROJ="9.3.0 NETWORK_ENABLED=ON URL_ENDPOINT= https://cdn.proj.org USER_WRITABLE_DIRECTORY=/Users/pramsey/Library/Application Support/proj DATABASE_PATH=/usr/local/share/proj/proj.db" (compiled against PROJ 9.3.0) LIBXML="2.9.13" LIBJSON="0.17" LIBPROTOBUF="1.4.1" WAGYU="0.5.0 (Internal)" (1 row)
postgis_reg=# SELECT 'POINT EMPTY'::public.geometry = 'POINT EMPTY'::public.geometry; ?column? ---------- t (1 row) Is this a database that has gone through upgrade stages, or a blank fresh database? P On Thu, Jan 8, 2026 at 8:21 AM Cedric Duprez <[email protected]> wrote: > Hi all, > > I'm facing a potential bug with PostGIS 3.6.1 on PostgreSQL 17.7. > Here is what I get with postgis_full_version() : POSTGIS="3.6.1 f533623" > [EXTENSION] PGSQL="170" GEOS="3.12.1-CAPI-1.18.1" PROJ="9.4.0 > NETWORK_ENABLED=OFF URL_ENDPOINT=https://cdn.proj.org > USER_WRITABLE_DIRECTORY=/tmp/proj DATABASE_PATH=/usr/share/proj/proj.db" > (compiled against PROJ 9.4.0) GDAL="GDAL 3.8.4, released 2024/02/08" > LIBXML="2.9.14" LIBJSON="0.17" LIBPROTOBUF="1.4.1" WAGYU="0.5.0 (Internal)" > RASTER > > When I execute this query: > SELECT 'POINT EMPTY'::public.geometry = 'POINT EMPTY'::public.geometry; > I get the following error: > ERROR: operator is not unique: public.geometry = public.geometry > > It seems to be a regression, since I didn't have this error on previous > versions of PostGIS (3.5). > > How can this problem be solved? > Thanks in advance for you help, > > Cedric >
