| From: | Kuntal Ghosh <kuntalghosh(dot)2007(at)gmail(dot)com> |
|---|---|
| To: | Dilip Kumar <dilipbalaut(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: parallelize queries containing subplans |
| Date: | 2017-01-19 10:12:26 |
| Message-ID: | CAGz5QCJLq0qnMq7KG5-6BM6P9AzyKarJq7=vHzxT1b9uvYKpMA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Jan 19, 2017 at 3:19 PM, Kuntal Ghosh
<kuntalghosh(dot)2007(at)gmail(dot)com> wrote:
> Since Param is not parallel_safe till now, the SubPlan is also not
> parallel_safe. This is why CTE subplans will not be pushed under
> Gather.
Specifically, Params which are generated using generate_new_param()
are not parallel_safe. In the patch, it is marked as parallel-unsafe.
--
Thanks & Regards,
Kuntal Ghosh
EnterpriseDB: http://www.enterprisedb.com
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