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Re: Optimze usage of immutable functions as relation - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Optimze usage of immutable functions as relation
Date
Msg-id 19228.1569338231@sss.pgh.pa.us
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In response to Re: Optimze usage of immutable functions as relation  (rmrodriguez@carto.com)
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rmrodriguez@carto.com writes:
> This commit is breaking some Postgis tests with custom types.

Hm, yeah, the code fails to consider the possibility that the function
returns a composite type.

For the moment I'm just going to make it punt if the function result
class isn't TYPEFUNC_SCALAR.  In principle, if we have a composite
result, we could disassemble it into per-column constant values, but
I'm not sure it'd be worth the work.

            regards, tom lane

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