On 27 March 2017 at 10:23, Tomas Vondra <tomas.von...@2ndquadrant.com> wrote:
> I'm not sure we need to invent a new magic value, though. Can we simply look
> at force_parallel_mode, and if it's 'regress' then tread 0 differently?
if (force_parallel_mode != FORCE_PARALLEL_OFF && best_path->parallel_safe)
Gather *gather = makeNode(Gather);
Probably force_parallel_mode is good for testing the tuple queue code,
and some code in Gather, but I'm not quite sure what else its good
for. Certainly not GatherMerge.
David Rowley http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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