[postgis-tickets] [SCM] PostGIS branch main updated. 3.1.0rc1-378-gf2aae98

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       via  43b1ea0b10875befd74f7a9b80795bc060082619 (commit)
      from  d1d0d181bf07980893fd4873f748de35a9d138a3 (commit)

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- Log -----------------------------------------------------------------
commit f2aae9882ea820190433da5b727488ae1ba87625
Merge: 43b1ea0 d1d0d18
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Jul 29 15:33:28 2021 -0700

    Merge branch 'main' of https://git.osgeo.org/gitea/postgis/postgis into main


commit 43b1ea0b10875befd74f7a9b80795bc060082619
Author: Paul Ramsey <pramsey at cleverelephant.ca>
Date:   Thu Jul 29 15:33:19 2021 -0700

    Preserve SRID on all-empty unions of geometry, closes #4926

diff --git a/postgis/lwgeom_geos.c b/postgis/lwgeom_geos.c
index 519797f..0ff4348 100644
--- a/postgis/lwgeom_geos.c
+++ b/postgis/lwgeom_geos.c
@@ -674,6 +674,7 @@ Datum pgis_geometry_union_finalfn(PG_FUNCTION_ARGS)
 			{
 				int type = lwgeom_get_type(geom);
 				empty_type = type > empty_type ? type : empty_type;
+				srid = (srid != SRID_UNKNOWN ? srid : lwgeom_get_srid(geom));
 			}
 		}
 	}

-----------------------------------------------------------------------

Summary of changes:
 postgis/lwgeom_geos.c | 1 +
 1 file changed, 1 insertion(+)


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