Re: remove undocumented assign syntax from plpgsql doc

On Sun, Jan 12, 2014 at 06:38:04AM +0100, Pavel Stehule wrote:
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>
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> 2014/1/12 Bruce Momjian <bruce(at)momjian(dot)us>
>
> On Sat, Jan 11, 2014 at 10:06:27PM +0100, Pavel Stehule wrote:
> >
> >
> >
> > 2014/1/11 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
> >
> >     Bruce Momjian <bruce(at)momjian(dot)us> writes:
> >     > Oh, I think you are right.  I have reverted the patch.  Attached is
> >     > proposed documentation for '='.
> >
> >     Meh.  Variable initialization is only one of multiple cases
> (assignment,
> >     GET DIAGNOSTICS; maybe others, I've not examined the grammar).  Also,
> >     if we do it like this, we're implying that both := and = are equally
> >     preferred, which might not be the impression we want to leave.
> >
> >
> > GET DIAGNOSTICS is defined by standard - and there "=" should be allowed
> only -
> > although we allow ":=" too. It is a embedded SQL statement - although it
> is
> > implemented as plpgsql statement.
>
> OK, docs updated for that.  I assume OPEN and FOR also can take := or =,
> right?
>
>
> no, there are not used assign_operator
>
> It is used only in DECLARE DEFAULT, ASSIGN and GET DIAGNOSTICS
>  

OK, patch updated and attached.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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