[PostGIS] #2823: [raster] upgrade drops privileges on the raster_columns view

[PostGIS]

#2823: [raster] upgrade drops privileges on the raster_columns view
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  Reporter:  strk     |      Owner:  dustymugs
      Type:  defect   |     Status:  closed
  Priority:  medium   |  Milestone:  PostGIS Fund Me
 Component:  raster   |    Version:  master
Resolution:  wontfix  |   Keywords:
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Comment (by robe):

 This impacts more than raster_columns and would need to be done in our
 upgrade perl module.  Even then it is so rare we change the column data
 types of these views to make it not worth the bother.

 The only time we ever need to drop and recreate is if we change the data
 type of a column or add a column in the middle of the view which I don't
 forsee these happening ever again and there are so few users Pre 2.1 that
 they have way more issues than permissions on these views.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/2823#comment:16>
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