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: Pavel Stehule <pavel.stehule@gmail.com>
Cc: "David E. Wheeler" <david@kineticode.com>, Andrew Dunstan <andrew@dunslane.net>, Itagaki Takahiro <itagaki.takahiro@gmail.com>, Merlin Moncure <mmoncure@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-12-17T19:18:15Z
Lists: pgsql-hackers
Pavel Stehule <pavel.stehule@gmail.com> writes: > Second semi argument for using ARRAY keyword is a verbosity of > PL/pgSQL. So from this perspective a ARRAY should be minimally > optional and ensure, so expr result will be really a array. But with a > optional ARRAY keyword we leaving a simple enhancing in future (on > parser level). No. If we are going to put a keyword there, it can't be optional. Making it optional would require it to be a fully reserved word --- and in the case of ARRAY, even that isn't good enough, because of the conflict with ARRAY[...] syntax. regards, tom lane