Re: Physical append-only tables - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Physical append-only tables
Date
Msg-id 28163.1479134375@sss.pgh.pa.us
Whole thread Raw
In response to Re: Physical append-only tables  (Magnus Hagander <magnus@hagander.net>)
Responses Re: Physical append-only tables  (Magnus Hagander <magnus@hagander.net>)
List pgsql-hackers
Magnus Hagander <magnus@hagander.net> writes:
> What I'm talking about is something that would be a lot simpler than
> auto-clustering. I'm not even talking about trying to detect if the row was
> about to go into the right place -- this might be expensive and certainly
> more complicated. I'm only talking about a simple case where we *never* put
> anything anywhere other than at the end of the table, period. That should
> make the check both cheap and simple.

It also makes it so much of a corner case that even a cheap check could be
a net performance degradation, especially for people whose usage pattern
doesn't match this.
        regards, tom lane



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