[postgis-tickets] [PostGIS] #3853: datum slicing for bounding box retrieval is busted

PostGIS trac at osgeo.org
Wed Sep 20 10:23:11 PDT 2017


#3853: datum slicing for bounding box retrieval is busted
--------------------------+---------------------------
  Reporter:  pramsey      |      Owner:  pramsey
      Type:  enhancement  |     Status:  closed
  Priority:  medium       |  Milestone:  PostGIS 2.4.0
 Component:  postgis      |    Version:  trunk
Resolution:  fixed        |   Keywords:
--------------------------+---------------------------

Comment (by strk):

 I was under the impression that you didn't get a double
 detoasting even before, as the Datum pointer would always
 be the same so second DETOAST attempt would be a no-op.

 Just a cheap useless check (always false) in the worst
 case and an opportunity for users to change storage type
 (can be done on a table-by-table basis IIRC?) and then
 benefit from the (now removed) code.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3853#comment:3>
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