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Re: Proposal: new function array_init

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
Cc: Decibel! <decibel(at)decibel(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal: new function array_init
Date: 2008-06-04 20:29:43
Message-ID: (view raw or whole thread)
Lists: pgsql-hackers
"Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com> writes:
> 2008/6/4 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>> Huh?  That's completely nonsensical ... where will you determine the
>> type of the array, if you don't have a sample element?

> it is nonsens in current postgres. But null array is castable to anyarray no?

If you mean an array of nulls, it still has to have an element type.

			regards, tom lane

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