Re: constraint exclusion and nulls in IN (..) clause - Mailing list pgsql-hackers

From Amit Langote
Subject Re: constraint exclusion and nulls in IN (..) clause
Date
Msg-id 440dd233-d576-f482-66a3-8a79173b0af2@lab.ntt.co.jp
Whole thread Raw
In response to Re: constraint exclusion and nulls in IN (..) clause  (Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>)
List pgsql-hackers
On 2018/02/05 13:20, Ashutosh Bapat wrote:
> On Thu, Feb 1, 2018 at 2:23 PM, Amit Langote
> <Langote_Amit_f8@lab.ntt.co.jp> wrote:
>>
>> Yeah, the patch in its current form is wrong, because it will give wrong
>> answers if the operator being used in a SAOP is non-strict.  I modified
>> the patch to consider operator strictness before doing anything with nulls.
> 
> That's fine, but I am not sure whether this fits constraint
> exclusion's charter. Please add this patch to the next commitfest so
> that we can have a better opinion.

OK, done.

Thanks,
Amit



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