Re: [HACKERS] PSQL commands: \quit_if, \quit_unless

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От
Robert Haas
Тема
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless
Дата
Msg-id
CA+TgmoYju6qhvKf4rZ8mxp5p63uFCwMturHorj8razmMxf8rcg@mail.gmail.com
Ответ на
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Дерево обсуждения
PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: PSQL commands: \quit_if, \quit_unless "David G. Johnston" <david.g.johnston@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Andrew Dunstan <andrew@dunslane.net>
Re: PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless David Fetter <david@fetter.org>
Re: PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Andrew Dunstan <andrew@dunslane.net>
Re: PSQL commands: \quit_if, \quit_unless David Steele <david@pgmasters.net>
Re: PSQL commands: \quit_if, \quit_unless Andrew Dunstan <andrew@dunslane.net>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Andrew Dunstan <andrew@dunslane.net>
Re: PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless "David G. Johnston" <david.g.johnston@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless "David G. Johnston" <david.g.johnston@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Michael Paquier <michael.paquier@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Corey Huinker <corey.huinker@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless "David G. Johnston" <david.g.johnston@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless "David G. Johnston" <david.g.johnston@gmail.com>
Re: [HACKERS] PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Fabien COELHO <coelho@cri.ensmp.fr>
Re: PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Robert Haas <robertmhaas@gmail.com>
Re: PSQL commands: \quit_if, \quit_unless Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: PSQL commands: \quit_if, \quit_unless Pavel Stehule <pavel.stehule@gmail.com>
On Sat, Jan 14, 2017 at 12:22 AM, Tom Lane  wrote:
>
> $ cat loop.sql
> \if :x < 1000
>   \echo :x
>   \set x :x + 1
>   \include loop.sql
> \fi
> $ psql --set x=0 -f loop.sql
>
> Somebody is going to think of that workaround for not having loops, and
> then whine about how psql runs out of file descriptors and/or stack.

Hmm, I think somebody just DID think of it.

But personally this doesn't upset me a bit.  If somebody complains
about that particular thing, I think that would be an excellent time
to suggest that they write a patch to add a looping construct.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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