[postgis-tickets] [PostGIS] #3751: Parallel support for aggregates with transitions

[PostGIS]

#3751: Parallel support for aggregates with transitions
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  Reporter:  robe         |      Owner:  pramsey
      Type:  enhancement  |     Status:  new
  Priority:  high         |  Milestone:  PostGIS 2.4.0
 Component:  postgis      |    Version:  2.3.x
Resolution:               |   Keywords:
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Comment (by komzpa):

 This ticket reminds me of #3650 - there was a partially committed patch
 from https://github.com/postgis/postgis/pull/117

 parallel=safe there doesn't mean it has to be parallel inside the
 aggregate - say, a GROUP BY can in theory calculate different bucket's
 extent in different backend in non-parallel fashion. that option doesn't
 exist now, since the aggregates are marked parallel unusafe.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3751#comment:1>
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