Thomas Schoen <t.schoen@xxxxxxxxxx> writes: > Now, finally, my questions are: > - Is there any guaranty, that two aggregates in a GROUP BY statement are > aggregated in the same order? > - If yes: is there any guaranty the behaviour won't change in future > versions of PG. (I suppose SQL-standard doesn't make any statement about > how the behaviour should be here.) No, the spec doesn't promise anything, and so we don't either. In practice though I find it hard to visualize why the implementation would not process all the aggregates in parallel. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
