Re: enable_constraint_exclusion GUC name

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: enable_constraint_exclusion GUC name
Date: 2005-08-22 17:50:52
Message-ID: 18508.1124733052@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> pgman wrote:
>> Is enable_constraint_exclusion the proper name for this feature? I know
>> we have enable* in the optimizer settings, but that naming seems
>> unfortunate in that we should have just called it hash_join and it could
>> be enabled/disabled.
>>
>> I am thinking we should just call it constraint_exclusion.

> So, given the silence on this, I assume people think we should rename
> this before beta starts.

Or that they think it might as well be left alone. I would like to
think that the parameter will have a very finite lifespan anyway;
if it's still there in 8.2, it'll be because we didn't get cached
plan updating done, and I hope that will not be the case.

regards, tom lane

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