| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: ERROR: ORDER/GROUP BY expression not found in targetlist |
| Date: | 2016-06-17 13:29:05 |
| Message-ID: | CA+Tgmobfrg9K+o5OCvpw1um2ac-UXRWbUf25FhtzE_1VeP=dfw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jun 17, 2016 at 9:04 AM, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> Attached, please find updated patch based on above lines. Due to addition
> of projection path on top of partial paths, some small additional cost is
> added for parallel paths. In one of the tests in select_parallel.sql the
> plan was getting converted to serial plan from parallel plan due to this
> cost, so I have changed it to make it more restrictive. Before changing, I
> have debugged the test to confirm that it was due to this new projection
> path cost. I have added two new tests as well to cover the new code added
> by patch.
I'm going to go work on this patch now.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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