|From:||Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>|
|To:||Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>|
|Cc:||Shubham Barai <shubhambaraiss(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org|
|Subject:||Re: UNIQUE capability to hash indexes|
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Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> writes:
> Tom Lane wrote:
>> Not that I've heard of. It's very hard to muster any enthusiasm for
>> improving hash indexes unless their lack of WAL-logging is fixed first.
> This is really strange though. Surely adding WAL-logging is not an
> enormous task anymore ... I mean, we're undertaking far larger efforts
> now, the WAL logging code is simpler than before, and we even have a
> tool (ok, gotta streamline that one a little bit) to verify that the
> results are correct.
ISTR that we discussed this previously and ran into some stumbling block
or other that made it less-than-trivial. Don't recall what though.
regards, tom lane
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