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Re:Postgresql 9.6: Support parallel aggregation by ddorian43 on Monday March 21, 2016 @05:29PM (#11332265)
What do you mean by generic ? Upserts were implemented in 9.5
Re:Postgresql 9.6: Support parallel aggregation by tiglionabbit on Monday March 21, 2016 @05:32PM (#11332289)
As in you don't need to write a unique PL/pgSQL routine for each kind of upsert you want to do.

Oh, it does have upserts now. Awesome =]