Disabled buffer-based GeomUnion

git-svn-id: http://svn.osgeo.org/postgis/trunk@1915 b70326c6-7e19-0410-871a-916f4a2858ee

diff --git a/CHANGES b/CHANGES
index 9c079864286349f8492b6fba0b1604d2c01ac6ec..46073ca8bae145c01a08282fc923070051d4b21e 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -17,7 +17,6 @@ PostGIS 1.1.0CVS
        - JTS support improvements
        - Removed automatic call to fix_geometry_columns() in
          AddGeometryColumns() and update_geometry_stats()
-       - Chunked GeomUnion implementation (much faster)
 
 PostGIS 1.0.5CVS
        - New "Reporting Bugs" chapter in manual

diff --git a/lwgeom/lwgeom_geos.c b/lwgeom/lwgeom_geos.c
index 5e7957e254d22dd88aa80549e73d261ff0ce636d..c64ce3f25e14db4852532832c747d7ac9567e873 100644 (file)
--- a/lwgeom/lwgeom_geos.c
+++ b/lwgeom/lwgeom_geos.c
@@ -9,12 +9,17 @@
 #include "profile.h"
 #include "wktparse.h"
 
+//
+// WARNING: buffer-based GeomUnion has been disabled due to
+//          limitations in the GEOS code (it would only work
+//         against polygons)
+//
 // Fuzzy way of finding out how many points to stuff
 // in each chunk: 680 * Mb of memory
 //
 // The example below is for about 32 MB (fuzzy pragmatic check)
 //
-#define UNITE_USING_BUFFER 1
+#define UNITE_USING_BUFFER 0
 #define MAXGEOMSPOINTS 21760
 
 Datum relate_full(PG_FUNCTION_ARGS);