On Wed, May 31, 2017 at 7:19 PM, Andres Freund <and...@anarazel.de> wrote: > At the moment $subject doesn't allow parallelism, because copy.c's > pg_plan_query() invocation doesn't set the CURSOR_OPT_PARALLEL_OK > flag. > > To me that appears to be an oversight rather than intentional. A > somewhat annoying one at that, because it's not uncommong to use COPY to > execute reports to a CSV file and such. > > Robert, am I missing a complication? > > I personally think we should fix this in 9.6 and 10, but I've to admit > I'm not entirely impartial, because Citus hit this...
IMHO, For copy_to I don't see any problem in parallelizing it. I just tested by changing the cursorOption and it's working in parallel. -- Regards, Dilip Kumar EnterpriseDB: http://www.enterprisedb.com
copy_to_parallel.patch
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