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Re: Proposal: plpgsql - "for in array" statement

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
Cc: Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal: plpgsql - "for in array" statement
Date: 2010-09-28 20:37:57
Message-ID: 28534.1285706277@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
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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