Re: [HACKERS] Re: Improve OR conditions on joined columns (common star schema problem)

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От Tom Lane
Тема Re: [HACKERS] Re: Improve OR conditions on joined columns (common star schema problem)
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Msg-id 5356.1517619193@sss.pgh.pa.us
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Ответ на Re: [HACKERS] Re: Improve OR conditions on joined columns (commonstar schema problem)  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Ответы Re: [HACKERS] Re: Improve OR conditions on joined columns (commonstar schema problem)
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Tomas Vondra <tomas.vondra@2ndquadrant.com> writes:
> BTW wouldn't it be possible to derive "traditional" proof in relational
> algebra, similarly to other transforms?

Perhaps.  The patch depends on CTID, but you could probably model that
as a primary key in a proof.

            regards, tom lane

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