Horton

Re: \if, \elseif, \else, \endif (was Re: PSQL commands: \quit_if, \quit_unless)

Fabien COELHO <coelho@cri.ensmp.fr>

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From: Fabien COELHO <coelho@cri.ensmp.fr>
To: Corey Huinker <corey.huinker@gmail.com>
Cc: Erik Rijkers <er@xs4all.nl>, Tom Lane <tgl@sss.pgh.pa.us>, Jim Nasby <Jim.Nasby@bluetreble.com>, Daniel Verite <daniel@manitou-mail.org>, PostgreSQL <pgsql-hackers@postgresql.org>, pgsql-hackers-owner@postgresql.org
Date: 2017-02-03T16:38:30Z
Lists: pgsql-hackers 
> I could bulk up the error message on if/elif like such: [...]

Looks ok to me.

> Can anyone think of a reason why Ctrl-C would be a bad idea? If not I'll
> start looking into it, as I'm not presently aware of what it is used for.

Not me.

Wikipedia, which holds all the knowledge in the universe, says: "In many 
command-line interface environments, control-C is used to abort the 
current task and regain user control."

I agree that it should do that.

-- 
Fabien.

Commits

  1. Support \if ... \elif ... \else ... \endif in psql scripting.

  2. Add a "void *" passthrough pointer for psqlscan.l's callback functions.