[postgis-devel] [PostGIS] #2024: raster: ST_Union is buggy

PostGIS trac at osgeo.org
Tue Oct 2 22:58:33 PDT 2012

#2024: raster: ST_Union is buggy
 Reporter:  robe     |       Owner:  dustymugs    
     Type:  defect   |      Status:  new          
 Priority:  blocker  |   Milestone:  PostGIS 2.1.0
Component:  raster   |     Version:  trunk        
 Keywords:           |  

Comment(by robe):

  -- 6983ms - 70150ms -- POSTGIS="2.1.0SVN r10361" GEOS="3.4.0dev-
 CAPI-1.8.0 r0" PROJ="Rel. 4.8.0, 6 March 2012" GDAL="GDAL 1.9.1, released
 2012/05/15" LIBXML="2.7.8" LIBJSON="UNKNOWN" RASTER

 -- SELECT ST_Union(rast,ARRAY[ROW(1, 'LAST'), ROW(2, 'LAST'), ROW(3,
 'LAST')]::unionarg[]) FROM test_100_100 WHERE ST_Intersects(rast,
 ST_GeomFromText('LINESTRING(230486.436 886271, 230486.437 887771)',26986)

 Got messed up last post.

 So does this mean we'll no longer have an

 ST_Union(rast) ?

 We'll have to document since that's a breaking change.

Ticket URL: <http://trac.osgeo.org/postgis/ticket/2024#comment:10>
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