Horton

Re: delta relations in AFTER triggers

David Fetter <david@fetter.org>

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From: David Fetter <david@fetter.org>
To: Kevin Grittner <kgrittn@gmail.com>
Cc: Thomas Munro <thomas.munro@enterprisedb.com>, Haribabu Kommi <kommi.haribabu@gmail.com>, Jim Nasby <Jim.Nasby@bluetreble.com>, Craig Ringer <craig@2ndquadrant.com>, Michael Paquier <michael.paquier@gmail.com>, Robert Haas <robertmhaas@gmail.com>, Kevin Grittner <kgrittn@ymail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Amit Khandekar <amit.khandekar@enterprisedb.com>, Alvaro Herrera <alvherre@2ndquadrant.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2017-03-31T18:29:18Z
Lists: pgsql-hackers 
On Fri, Mar 31, 2017 at 12:20:51PM -0500, Kevin Grittner wrote:
> On Thu, Mar 30, 2017 at 11:51 AM, Kevin Grittner <kgrittn@gmail.com> wrote:
> 
> > New version attached.  It needs some of these problem cases added
> > to the testing, and a mention in the docs that only C and plpgsql
> > triggers can use the feature so far.  I'll add those tomorrow.
> 
> Done and attached.
> 
> Now the question is, should it be pushed?

Yes.  Among other things, that'll get it buildfarm tested and give
people interested in other PLs better visibility.

That, and I suspect that people will start using this infrastructure
for some very cool projects.

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david(dot)fetter(at)gmail(dot)com

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Commits

  1. Don't permit transition tables with TRUNCATE triggers.

  2. Pass EXEC_FLAG_REWIND when initializing a tuplestore scan.

  3. Faster expression evaluation and targetlist projection.

  4. Remove obsoleted code relating to targetlist SRF evaluation.

  5. Implement syntax for transition tables in AFTER triggers.