Horton

Re: factorial function/phase out postfix operators?

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Mark Dilger <mark.dilger@enterprisedb.com>, John Naylor <john.naylor@2ndquadrant.com>, Vik Fearing <vik@postgresfriends.org>, Peter Eisentraut <peter.eisentraut@2ndquadrant.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2020-09-17T20:19:05Z
Lists: pgsql-hackers 
Robert Haas <robertmhaas@gmail.com> writes:
> I'm not sure who is going to commit this work, and that person may
> have a different preference than me. However, if it's me, I'd like to
> see the removal of the existing postfix operators broken off into its
> own patch, separate from the removal of the underlying facility to
> have postfix operators.

I've pushed a subset of the v7-0001 patch to meet Robert's preference.
Continuing to look at the rest of it.

			regards, tom lane

Commits

  1. Remove precedence hacks no longer needed without postfix operators.

  2. Allow most keywords to be used as column labels without requiring AS.

  3. Remove support for postfix (right-unary) operators.

  4. Remove factorial operators, leaving only the factorial() function.

  5. Further refine patch for commenting operator implementation functions.