[postgis-tickets] [PostGIS] #5352: ST_ClusterRelate(geom, de9impattern)

PostGIS trac at osgeo.org
Wed Mar 1 15:55:19 PST 2023


#5352: ST_ClusterRelate(geom, de9impattern)
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  Reporter:  pramsey      |      Owner:  pramsey
      Type:  enhancement  |     Status:  assigned
  Priority:  medium       |  Milestone:  PostGIS 3.4.0
 Component:  postgis      |    Version:  master
Resolution:               |   Keywords:
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Comment (by mdavis):

 This is a good place to note that work has begun on an improved DE9IM
 relate implementation, which will allow short-circuiting and indexing for
 all **patterns**. This essentially provides "PreparedRelate". It should
 provide improved performance for Clustered Relate.

 It should be able to support the extended pattern functionality as well.
 Patterns will be "compiled", in a similar (but simpler) way that RegExes
 can be compiled and evaluated.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5352#comment:2>
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