| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Dimitri Fontaine <dfontaine(at)hi-media(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: ALTER TABLE ... ALTER COLUMN ... SET DISTINCT |
| Date: | 2009-08-02 15:31:55 |
| Message-ID: | 603c8f070908020831p735175b1xbe5cf98a540bc74c@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Aug 1, 2009 at 7:27 AM, Dimitri Fontaine<dfontaine(at)hi-media(dot)com> wrote:
> Unless you want me to test for impact on planner choices (even if we already
> know it has impact on pg_statistic), I'd say it's ready for commiter.
Great, thanks for the review. I think if stadistinct is getting
populated that's sufficient in terms of testing; the problems caused
by inaccurate ndistinct estimates have been discussed elsewhere. I
see you've already marked this Ready for Committer, thanks.
...Robert
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