Horton

Re: Parallel execution and prepared statements

Albe Laurenz <laurenz.albe@wien.gv.at>

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From: Albe Laurenz <laurenz.albe@wien.gv.at>
To: "'Amit Kapila *EXTERN*'" <amit.kapila16@gmail.com>, Tobias Bussmann <t.bussmann@gmx.net>
Cc: "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2016-11-18T15:31:54Z
Lists: pgsql-hackers

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  1. Enable parallelism for prepared statements and extended query protocol.

Amit Kapila wrote:
> Can you once test by just passing CURSOR_OPT_PARALLEL_OK in
> PrepareQuery() and run the tests by having forc_parallel_mode=regress?
> It seems to me that the code in the planner is changed for setting a
> parallelModeNeeded flag, so it might work as it is.

No, that doesn't work.

But with Tobias' complete patch "make installcheck-world" succeeds.

Yours,
Laurenz Albe