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From: Magnus Hagander <[email protected]>
To: Greg Sabino Mullane <[email protected]>
Cc: [email protected]
Cc: [email protected]
Subject: Re: BUG #4410: Indexes not seen right away
Date: Mon, 06 Oct 2008 09:59:35 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Greg Sabino Mullane wrote:
> 
>>>> Does it have pg_index.indcheckxmin = true?  If so, see README.HOT.
>>> Yes, that was probably it. Is this worth noting in the documentation somewhere
>>> (other than the technical bowels of HOT)? Perhaps in the CREATE INDEX
>>> docs?
> ...
>> I have attached the scripts I used for testing.  I don't think it is
>> worth documenting this until we have 8.4 released and people start using
>> it.
> 
> I'm not following this, Bruce. HOT came out in 8.3, not 8.4, so why would we
> wait on documenting the problem?
> 
>> I believe a mention in the manual would require quite complex wording.
> 
> Seems something would be better than nothing. Example:
> 
> "Note: In versions 8.3 and higher, indexes may not be immediately visible
> due to the way HOT chains work. For more information, please see
> <link to README.HOT>."

I think putting links in the user documentation directly to development
README files that require you to look in the source code is a bad thing...


> It might be nice to upgrade README.HOT to a real documentation page
> as well.

If we want the full explanation there, that's how it should be done :-)

//Magnus

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