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

[PostGIS]

#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):

 It's a little faster:


 {{{ -- 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) );
 }}}

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/2024#comment:9>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.