[PostGIS] #5955: ST_GetFaceGeometry eats our ram

[PostGIS]

#5955: ST_GetFaceGeometry eats our ram
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  Reporter:  latot     |      Owner:  strk
      Type:  defect    |     Status:  new
  Priority:  high      |  Milestone:  PostGIS 3.5.4
 Component:  topology  |    Version:  3.5.x
Resolution:            |   Keywords:
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Comment (by latot):

 For the record, testing with lnicola we found two memory issues:

 Each time we run ST_GetFaceGeometry the memory increases even if we load
 the same geometry.

 In each Query or DO the memory is not free after finish or cancel.

 So the idea is the memory of ST_GetFaceGeometry be free after the geometry
 is sent and when the Query finish/stops clean the memory.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5955#comment:5>
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