Re: [HACKERS] MAIN, Uncompressed?

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От Tom Lane
Тема Re: [HACKERS] MAIN, Uncompressed?
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Msg-id 12781.1503660293@sss.pgh.pa.us
обсуждение исходный текст
Ответ на [HACKERS] MAIN, Uncompressed?  (Simon Riggs <simon@2ndquadrant.com>)
Ответы Re: [HACKERS] MAIN, Uncompressed?  (Simon Riggs <simon@2ndquadrant.com>)
Список pgsql-hackers
Simon Riggs <simon@2ndquadrant.com> writes:
> It looks like we need a new Column Storage option for MAIN, Uncompressed.
> We have these Column Storage options
> Plain - inline only, uncompressed
> Main - inline until external as last resort, compressible
> External - external, uncompressed
> Extended - external, compressible

> So there is no option for Main, but not compressible...

Doesn't Plain serve the purpose?

In point of fact, though, "never inline and never compress" is not really
a useful option, as it can be more easily read as "fail on wide values".
        regards, tom lane



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