Pavel Stehule <pavel.steh...@gmail.com> writes:
> when I read a blog
> http://www.depesz.com/2015/12/14/waiting-for-9-6-psql-support-multiple-c-and-f-options-and-allow-mixing-them/
> where is emulated dry-run mode, I though so we can implement it very
> simply.
Not one that is actually reliable. All a script would have to do is
include its own begin/commit commands, and it would override what you
are talking about. It's okay, in my opinion, if the -1 switch is just a
half-baked "best effort" solution. It's not okay to provide a --dry-run
switch that is equally full of holes, because if someone were to actually
rely on it to not execute the script, the possibility of an override would
amount to a security bug.
regards, tom lane
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