[OpenStreetMap] #4613: Installing fresh openstreetmap database fails

[OpenStreetMap]

#4613: Installing fresh openstreetmap database fails
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  Reporter:  yurivict  |      Owner:  rails-dev@…
      Type:  defect    |     Status:  closed
  Priority:  minor     |  Milestone:
 Component:  website   |    Version:
Resolution:  invalid   |   Keywords:
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Comment (by TomH):

 Sure - doing this:

   if not select_one("SELECT * FROM pg_opclass WHERE opcname =
 'gist_int4_ops'")
     throw "Please install the Postgres btree_gist extension in your
 database"
   end

 will, if btree_gist is not installed, abort the migrate with:

   uncaught throw "Please install the Postgres btree_gist extension in your
 database"

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Ticket URL: <https://trac.openstreetmap.org/ticket/4613#comment:4>
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