[postgis-devel] [PostGIS] #835: ST_CollectionExtract returns EMPTY or NULL inconsistently

[PostGIS]

#835: ST_CollectionExtract returns EMPTY or NULL inconsistently
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 Reporter:  strk     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.0.0
Component:  postgis  |     Version:  trunk        
 Keywords:           |  
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Comment(by strk):

 See #457, where NULL was decided as a return for "type-misses"

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/835#comment:2>
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