Robert Haas 41ea0c2376 Fix parallel-safety code for parallel aggregation. ...

has_parallel_hazard() was ignoring the proparallel markings for
aggregates, which is no good.  Fix that.  There was no way to mark
an aggregate as actually being parallel-safe, either, so add a
PARALLEL option to CREATE AGGREGATE.

Patch by me, reviewed by David Rowley.

2016-04-05 16:06:15 -04:00

17 KiB

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