[postgis-tickets] [PostGIS] #4352: Use CREATE OR REPLACE for aggregates when possible

[PostGIS]

#4352: Use CREATE OR REPLACE for aggregates when possible
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 Reporter:  strk                   |      Owner:  strk
     Type:  enhancement            |     Status:  new
 Priority:  medium                 |  Milestone:  PostGIS 3.0.0
Component:  build/upgrade/install  |    Version:  trunk
 Keywords:                         |
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 Thanks to Andrew Gierth (RhodiumToad on IRC) PostgreSQL 12 will have
 CREATE OR REPLACE AGGREGATE. We could start using it from the upgrade
 script:

 https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=01bde4fa4c24f4eea0a634d8fcad0b376efda6b1

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4352>
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