[postgis-tickets] [PostGIS] #3821: Don't drop st_union when updating postgis extension to 2.4

[PostGIS]

#3821: Don't drop st_union when updating postgis extension to 2.4
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  Reporter:  nextstopsun  |      Owner:  robe
      Type:  defect       |     Status:  new
  Priority:  medium       |  Milestone:  PostGIS 2.5.0
 Component:  postgis      |    Version:  2.3.x
Resolution:               |   Keywords:
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Comment (by nextstopsun):

 Many hopes in setting that bit instead of dropping stuff. I've got some
 complex stuff to recreate if that won't be an option.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3821#comment:12>
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