On Fri, Apr 7, 2017 at 7:35 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Amit Langote <langote_amit...@lab.ntt.co.jp> writes:
>> ... One of
>> the earlier versions of that patch introduced a consider_typeid parameter
>> for which only ExecEvalConvertRowtype() passed true.
>
> Yeah, I was thinking of adding a flag along that line to fix this, but
> desisted after figuring out that ExecEvalConvertRowtype was the only
> candidate for using it.  Ashutosh's patch had already shown that it'd
> be better to pass "false" there too, so we'd end up with no use cases
> at all.

Probably we should also add an assertion there to make sure
ExecEvalConvertRowtype never gets same input and output types. If
that's the case, we don't need the copy as well.

-- 
Best Wishes,
Ashutosh Bapat
EnterpriseDB Corporation
The Postgres Database Company


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