[postgis-tickets] [PostGIS] #4386: [upgrade] ERROR: cannot drop function st_union(geometry) because other objects depend on it

[PostGIS]

#4386: [upgrade] ERROR: cannot drop function st_union(geometry) because other
objects depend on it
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  Reporter:  strk                   |      Owner:  komzpa
      Type:  defect                 |     Status:  assigned
  Priority:  blocker                |  Milestone:  PostGIS 3.0.0
 Component:  build/upgrade/install  |    Version:  trunk
Resolution:                         |   Keywords:
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Comment (by strk):

 NOTE: #4352 would fix this case when running against PostgreSQL 12 or
 higher (just for the record, we still want to support older versions)

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4386#comment:2>
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