public inbox for [email protected]  

help / color / mirror / Atom feed

From: Jeff Janes <[email protected]>
To: [email protected]
Cc: Bill Martin <[email protected]>
Cc: Tom Lane <[email protected]>
Subject: Re: [PERFORM] Planner selects different execution plans depending on limit
Date: Sun, 16 Sep 2012 14:39:34 -0700
Message-ID: <CAMkU=1xjEXM8PnZaS0bbKVYKhL-j7Ra_WK1hRk2Zv3zsa5xWwA@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <D48BF41C96B16442B542F5E25C259047011E80F02A@COM211.communardo.local>
	<[email protected]>
	<[email protected]>
	<D48BF41C96B16442B542F5E25C259047011E811299@COM211.communardo.local>
	<[email protected]>

On Thu, Sep 13, 2012 at 10:33 AM, Tom Lane <[email protected]> wrote:
> Bill Martin <[email protected]> writes:
>
>> How can I adjust the statistics target of the index?
>
> Just pretend it's a table.
>
>         ALTER TABLE index_name ALTER COLUMN column_name SET STATISTICS ...
>
> You'll need to look at the index (eg with \d) to see what the name of
> the desired column is, since index expressions have system-assigned
> column names.

Is this documented anywhere?  I couldn't find it.  If not, which
section would be the best one to add it to?

Cheers,

Jeff

view thread (9+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected]
  Subject: Re: [PERFORM] Planner selects different execution plans depending on limit
  In-Reply-To: <CAMkU=1xjEXM8PnZaS0bbKVYKhL-j7Ra_WK1hRk2Zv3zsa5xWwA@mail.gmail.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox