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Re: [HACKERS] pgsql: Add missing optimizer hooks for function cost and number of rows.

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-committers(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] pgsql: Add missing optimizer hooks for function cost and number of rows.
Date: 2010-04-23 22:58:51
Message-ID: i2q603c8f071004231558ude7392aze96adfe127737b70@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-committerspgsql-hackers
On Fri, Apr 23, 2010 at 6:55 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> sriggs(at)postgresql(dot)org (Simon Riggs) writes:
>> Log Message:
>> -----------
>> Add missing optimizer hooks for function cost and number of rows.
>> Closely follow design of other optimizer hooks: if hook exists
>> retrieve value from plugin; if still not set then get from cache.
>
> What exactly are we doing adding new features without discussion (or
> documentation, or known use cases) at this stage of the release cycle?

I'm confused, too.  It seems like there have been a LOT of patches
this week that were not posted to or discussed on -hackers.  I thought
that was not within the ground rules.

...Robert

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