On Tue, Sep 24, 2019 at 5:27 PM Tom Lane <
tgl@sss.pgh.pa.us> wrote:
>
> "Alfred R. Fuller" <
alfred.fuller@gmail.com> writes:
> > Expected behavior:
> > If the column exists nothing is altered.
> > Actual behavior:
> > The check is always added regardless if the column exists or not.
>
> Yeah, this is yet another variant of the theme that ADD COLUMN IF EXISTS
> only conditionalizes the creation of the column proper, and not other
> subsidiary subcommands such as adding indexes or constraints. I've been
> poking at a fix [1], and hopefully we'll get it dealt with in v13, but
> for sure it'll be a bigger change than we'd risk back-patching.
>
Nice... I didn't see it... thanks
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