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

From Tom Lane
Subject Re: Improve OR conditions on joined columns (common star schema problem)
Date
Msg-id 29861.1491245345@sss.pgh.pa.us
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In response to Re: Improve OR conditions on joined columns (common starschema problem)  (Andres Freund <andres@anarazel.de>)
List pgsql-hackers
Andres Freund <andres@anarazel.de> writes:
> On 2017-02-14 14:18:54 -0500, Tom Lane wrote:
>> One point that could use further review is whether the de-duplication
>> algorithm is actually correct.  I'm only about 95% convinced by the
>> argument I wrote in planunionor.c's header comment.

> Are you planning to push this into v10? Given the looming freeze I'm
> inclined to bump this to the next CF.

I'm still not fully convinced the patch is correct, so I have no problem
with bumping it out.
        regards, tom lane



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