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Re: [HACKERS] Re: Improve OR conditions on joined columns (common star schema problem) - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [HACKERS] Re: Improve OR conditions on joined columns (common star schema problem)
Date
Msg-id 5356.1517619193@sss.pgh.pa.us
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In response to Re: [HACKERS] Re: Improve OR conditions on joined columns (commonstar schema problem)  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Responses Re: [HACKERS] Re: Improve OR conditions on joined columns (commonstar schema problem)  (Peter Geoghegan <pg@bowt.ie>)
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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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