Re: Improvements in psql hooks for variables - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Improvements in psql hooks for variables
Date
Msg-id 7464.1479599073@sss.pgh.pa.us
Whole thread Raw
In response to Re: Improvements in psql hooks for variables  (Stephen Frost <sfrost@snowman.net>)
Responses Re: Improvements in psql hooks for variables  (Stephen Frost <sfrost@snowman.net>)
Re: Improvements in psql hooks for variables  ("Daniel Verite" <daniel@manitou-mail.org>)
List pgsql-hackers
Stephen Frost <sfrost@snowman.net> writes:
> In reviewing this patch, I also noticed that it's set up to assume a
> 'true' result when a variable can't be parsed by ParseVariableBool.

I suppose that's meant to be backwards-compatible with the current
behavior:

regression=# \timing foo
unrecognized value "foo" for "\timing"; assuming "on"
Timing is on.

but I agree that if we're changing things in this area, that would
be high on my list of things to change.  I think what we want going
forward is to disallow setting "special" variables to invalid values,
and that should hold both for regular variables that have special
behaviors, and for the special-syntax cases like \timing.
        regards, tom lane



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