Re: patch submission: truncate trailing nulls from heap rows to reduce the size of the null bitmap [Review]

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От Simon Riggs
Тема Re: patch submission: truncate trailing nulls from heap rows to reduce the size of the null bitmap [Review]
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Msg-id CA+U5nMJG6gQLHxB93JNnYRMcmMEj_WMOM2t2UDz87oHS8VYKfg@mail.gmail.com
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Ответ на Re: patch submission: truncate trailing nulls from heap rows to reduce the size of the null bitmap [Review]  (Tom Lane <tgl@sss.pgh.pa.us>)
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On 24 June 2013 21:50, Tom Lane <tgl@sss.pgh.pa.us> wrote:
 
> So, Tom, how's that pluggable storage format coming?  :-)

Well, actually, it's looking to me like heap_form_tuple will be
underneath the API cut, because alternate storage managers will probably
have other tuple storage formats --- column stores being the poster
child here, but in any case the tuple header format is very unlikely
to be universal.

Hopefully we would allow multiple storage managers to be active at once, one per table? 

--
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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