Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> 2010/9/28 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>> Yes, there is. The syntax you propose is flat out ambiguous: there are
>> two possible legal interpretations of some commands.
> what are you thinking? The subquery cannot be interpreted different.
Sure it can: it could be a parenthesized top-level query. In fact,
that's what plpgsql will assume if you feed it that syntax today.
regards, tom lane
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