Horton

Re: proposal: new polymorphic types - commontype and commontypearray

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Steele <david@pgmasters.net>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2019-03-05T14:35:14Z
Lists: pgsql-hackers 
David Steele <david@pgmasters.net> writes:
> This thread has been very quiet for a month.  I agree with Andres [1] 
> that we should push this to PG13.

I think the main thing it's blocked on is disagreement on what the
type name should be, which is kind of a silly thing to get blocked on,
but nonetheless it's important ...

			regards, tom lane

Commits

  1. Introduce "anycompatible" family of polymorphic types.

  2. Refactor our checks for valid function and aggregate signatures.

  3. Rearrange pseudotypes.c to get rid of duplicative code.