One of my EDB colleagues, while in the process of refactoring some unrelated Advanced Server code, discovered that (1) there's no way to mark an aggregate as anything other than parallel-unsafe but (2) it doesn't matter because has_parallel_hazard ignores Aggrefs anyway. These mistakes cancel each other out (sorta) if all of your aggregates happen to be parallel-safe, but otherwise not so much. Barring objections, I intend to speedily apply the attached patch to fix this.
-- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
create-aggregate-parallel.patch
Description: binary/octet-stream
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