Re: Logical Implication - Mailing list pgsql-hackers

From Vik Fearing
Subject Re: Logical Implication
Date
Msg-id b70aba34-e799-4c09-aa3e-281a335ebf2f@postgresfriends.org
Whole thread
In response to Re: Logical Implication  (Nathan Bossart <nathandbossart@gmail.com>)
Responses Re: Logical Implication
List pgsql-hackers
On 30/09/2026 17:09, Nathan Bossart wrote:
> On Tue, Sep 29, 2026 at 11:51:39PM +0200, Vik Fearing wrote:
>> On 29/09/2026 22:23, Zsolt Parragi wrote:
>>> And +1 for using %nonassoc instead
>> That's three now.  I'll prepare a new patch.
> Thanks.  One other thing I'd like to explore a bit more is whether to make
> IMPLIES "round-trippable," at least to see how much more complicated it
> would be.  (I'm happy to do this part BTW).
>

Attached is a new patch set that makes IMPLIES non-associative, changes 
the tests, and also survives a round trip.  I put the latter in a 
separate patch in case it isn't wanted after all.


I think I have incorporated everyone's feedback, but let me know if I 
missed something.

-- 

Vik Fearing

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