[postgis-tickets] [PostGIS] #2750: Duplicated DROP AGGREGATE IF EXISTS st_samealignment(raster) in rtpostgis_upgrade_20_21.sql

[PostGIS]

#2750: Duplicated DROP AGGREGATE IF EXISTS st_samealignment(raster) in
rtpostgis_upgrade_20_21.sql
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 Reporter:  strk    |       Owner:  dustymugs
     Type:  defect  |      Status:  new      
 Priority:  medium  |   Milestone:           
Component:  raster  |     Version:  2.1.x    
 Keywords:          |  
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Comment(by strk):

 r12594 makes the roles of rtpostgis_upgrade_cleanup.sql and
 rtpostgis_drop.sql clarer, moves many items from _drop to _cleanup and
 removes the drop for signature-changing aggregates (taken care of by
 proc_upgrade).

 As part of the change I also moved the rtpostgis_drop.sql _after_ the
 upgrade, so to catch eventual problems. This part may be dangerous. Needs
 more testing for extension upgrades.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2750#comment:8>
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