[postgis-tickets] [PostGIS] #4483: Can't upgrade from PostGIS 3.0.0alpha3 to 3.0.0alpha4 or 3.0.0alpha5dev (ST_AsGeoJSON)

[PostGIS]

#4483: Can't upgrade from PostGIS 3.0.0alpha3 to 3.0.0alpha4 or 3.0.0alpha5dev
(ST_AsGeoJSON)
----------------------+---------------------------
  Reporter:  robe     |      Owner:  pramsey
      Type:  defect   |     Status:  reopened
  Priority:  medium   |  Milestone:  PostGIS 3.0.0
 Component:  postgis  |    Version:  trunk
Resolution:           |   Keywords:
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Comment (by myon):

 {{{
 pg_upgradecluster 12 main.old --rename main -m upgrade --old-
 bindir=/var/tmp/postgresql-12-201907221/bin
 }}}

 The old bin directory is needed so it can actually read the old data
 directory which was using a different catalog version.

 When implementing this I thought extension modules were not necessary for
 dumping the old catalog structure, but that's wrong. We should copy the
 whole bin+lib directories instead.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4483#comment:22>
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