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Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC] - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC]
Date
Msg-id 20160725015209.GA240901@alvherre.pgsql
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In response to Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC]  (Andrew Borodin <borodin@octonica.com>)
Responses Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC]  (Andrew Borodin <borodin@octonica.com>)
Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC]  (Andrew Borodin <borodin@octonica.com>)
Re: Re: GiST optimizing memmoves in gistplacetopage for fixed-size updates [PoC]  (Andrew Borodin <borodin@octonica.com>)
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Andrew Borodin wrote:
> >If a feature changes the shape of WAL records, XLOG_PAGE_MAGIC is bumped to prevent any problems.
> I've attached patch with a bump, but, obviously, it'll be irrelevant
> after any other commit changing WAL shape.
> 
> Here is a patch with updated GiST README.
> I haven't found apropriate place to describe PageIndexTupleOverwrite
> function in docs, since all it's siblings are described only in the
> code.
> Code comments describing this function are coherent with others
> (PageAddItem, PageIndexTupleDelete).

Can you please patch BRIN to use this new function too?

-- 
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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