| From: | Peter Geoghegan <pg(at)heroku(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Less than ideal error reporting in pg_stat_statements |
| Date: | 2015-09-23 01:57:45 |
| Message-ID: | CAM3SWZSvAikNHsihDEYMgUFC3HRK15Yer1+Q-OaQ2EEtmBpyHA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Sep 22, 2015 at 6:55 PM, Alvaro Herrera
<alvherre(at)2ndquadrant(dot)com> wrote:
> So if I have multiple queries like
>
> SELECT foo FROM bar WHERE baz IN (a, b)
> SELECT foo FROM bar WHERE baz IN (a, b, c)
>
> they are not normalized down to the same? That seems odd.
Yes, although in practice it's usually down to a variable number of
constants appearing within the "IN ( )", which is more odd IMV.
We discussed changing this before. I don't have strong feelings either way.
--
Peter Geoghegan
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