[postgis-tickets] [PostGIS] #2521: Detection of nested function calls

[PostGIS]

#2521: Detection of nested function calls
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  Reporter:  robe         |      Owner:  pramsey
      Type:  enhancement  |     Status:  new
  Priority:  medium       |  Milestone:  PostGIS Fund Me
 Component:  postgis      |    Version:  trunk
Resolution:               |   Keywords:
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Comment (by pramsey):

 I have performed a couple experiments with "expanded object headers" and
 they are quite unpleasant but can be used to remove serialize/deserialize
 overhead. For most of our use cases, though, our deserialize step just _is
 not that bad_ and the penalty for using EOH (at least one full copy into a
 parent memory context, and added complexity in call handling) is not worth
 it. Only for deserializations where there is a fair amount of overhead
 (like a decompression, or calculations) does EOH start to make sense.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/2521#comment:2>
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