Re: Self contradictory examining on rel's baserestrictinfo
| От | ro b |
|---|---|
| Тема | Re: Self contradictory examining on rel's baserestrictinfo |
| Дата | |
| Msg-id | TYCPR01MB6093FDF02BC746CCC701172285282@TYCPR01MB6093.jpnprd01.prod.outlook.com обсуждение исходный текст |
| Ответ на | Re: Self contradictory examining on rel's baserestrictinfo (Robert Haas <robertmhaas@gmail.com>) |
| Ответы |
Re: Self contradictory examining on rel's baserestrictinfo
|
| Список | pgsql-hackers |
I mean why can't draw the conclusions
like the case a>1 and a>2 which can be simplified
to a>2 if the operator > is btree opclass.
Best regards
From: Robert Haas <robertmhaas@gmail.com>
Sent: Wednesday, November 27, 2024 22:52
To: ro b <bigbro_wq@hotmail.com>
Cc: Peter Geoghegan <pg@bowt.ie>; pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: Self contradictory examining on rel's baserestrictinfo
Sent: Wednesday, November 27, 2024 22:52
To: ro b <bigbro_wq@hotmail.com>
Cc: Peter Geoghegan <pg@bowt.ie>; pgsql-hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: Self contradictory examining on rel's baserestrictinfo
On Wed, Nov 27, 2024 at 9:30 AM ro b <bigbro_wq@hotmail.com> wrote:
> The path i committed not just test contradictory but also do the
> simplification. The simplification is limited in the BTREE.
> Could you interpret the case in a little more detail.
I am not able to understand this paragraph.
Regretfully,
--
Robert Haas
EDB: http://www.enterprisedb.com
> The path i committed not just test contradictory but also do the
> simplification. The simplification is limited in the BTREE.
> Could you interpret the case in a little more detail.
I am not able to understand this paragraph.
Regretfully,
--
Robert Haas
EDB: http://www.enterprisedb.com
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