[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 smsm1):

 Is there a way to test if the btree_gist has been already installed, and
 if not we can tell the user and stop running the rake db:migrate. That way
 the user won't hit the problem of the getting part of the way through the
 migrations and then getting a strange error.

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Ticket URL: <https://trac.openstreetmap.org/ticket/4613#comment:3>
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