On 28 October 2015 at 16:50, Marko Tiikkaja <marko@joh.to> wrote: > Hi, > > Here's a patch for the aggregate function outlined by Corey Huinker in > CADkLM=foA_oC_Ri23F9PbfLnfwXFbC3Lt8bBzRu3=CB77G9_qw@mail.gmail.com .
+1. I've wanted something like this a few times. Of the names suggested so far, I think I prefer "single_value", and yes I think it should work with NULLs.
+1
I think we should avoid using ONLY or VALUE within the names since those already have other meanings in Postgres.
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Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services