Re: proposal: FOREACH-IN-ARRAY (probably for 9.2?)

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Robert Haas <robertmhaas@gmail.com>

Cc: "David E. Wheeler" <david@kineticode.com>, Andrew Dunstan <andrew@dunslane.net>, Pavel Stehule <pavel.stehule@gmail.com>, Itagaki Takahiro <itagaki.takahiro@gmail.com>, Merlin Moncure <mmoncure@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2010-12-17T20:08:34Z

Lists: pgsql-hackers

Robert Haas <robertmhaas@gmail.com> writes:
> On Fri, Dec 17, 2010 at 2:58 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> plpgsql's parser is rickety enough that I don't have a lot of confidence
>> in its ability to do things that way.

> Bummer.  Rickety is not good.

Agreed, but it's not entirely the parser's fault: the language
definition is pretty d*mn bogus to start with.  Read the comments for
the for_variable production, and ask yourself whether you really want
to inject even more difficult-to-disambiguate cases right there.

			regards, tom lane