[postgis-tickets] [PostGIS] #4334: Can't upgrade with a view based on ST_AsMVTGeom

[PostGIS]

#4334: Can't upgrade with a view based on ST_AsMVTGeom
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  Reporter:  Algunenano             |      Owner:  strk
      Type:  defect                 |     Status:  new
  Priority:  high                   |  Milestone:  PostGIS 2.4.7
 Component:  build/upgrade/install  |    Version:  2.4.x
Resolution:                         |   Keywords:
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Comment (by strk):

 Yes, makes sense to me (not having read details of the function).
 What I suggest is:

  1) Rename the function to be clear about _which_ condition we're checking
 (or more genererically what's the goal, like
 "_postgis_drop_function_if_needed")

  2) Pass the new signature to the function ? (or how can it tell whether
 it is needed to drop it or not ? That depends on the new function
 signature, right ?)

  3) Integrate the function in the postgis upgrade function (implies using
 the function from postgis_drop_before.sql file

  4) Integrate tests (could be useful to do something in {{{sub
 create_upgrade_test_objects}}} of run_test.pl, or further generalize that
 to find things to do in a pre-upgrade.sql script)

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4334#comment:4>
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