[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:  reopened
  Priority:  blocker                |  Milestone:  PostGIS 3.0.0
 Component:  build/upgrade/install  |    Version:  master
Resolution:                         |   Keywords:
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Changes (by strk):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 The test does NOT close this ticket, it just makes it tested.
 See https://dronie.osgeo.org/postgis/postgis/1098/1/2

 Example broken upgrade path: 2.1.9--3.1.0dev

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4386#comment:18>
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