Re: Physical Tlist optimization still possible? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Physical Tlist optimization still possible?
Date
Msg-id 13403.1117634222@sss.pgh.pa.us
Whole thread Raw
In response to Re: Physical Tlist optimization still possible?  (Simon Riggs <simon@2ndquadrant.com>)
List pgsql-hackers
Simon Riggs <simon@2ndquadrant.com> writes:
> Where I'm leading to is this: If the physical tlist optimization is a
> considerable gain, and it required OIDs, then changing the system
> default to WITHOUT OIDS will cause us to lose the optimization. Yes?

It doesn't require OIDs, though.  What it requires is that the source
and destination tables have the same OIDs-ness.  So changing the default
shouldn't make a difference.
        regards, tom lane


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