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Re: wrong inicializied array in plpgsql

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Pavel Stehule <stehule(at)kix(dot)fsv(dot)cvut(dot)cz>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: wrong inicializied array in plpgsql
Date: 2003-09-14 17:41:47
Message-ID: 18677.1063561307@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Pavel Stehule <stehule(at)kix(dot)fsv(dot)cvut(dot)cz> writes:
> I am testing long array values. I tryed write simple function in plpgsql 
> for this. I found maybe a bug. Array in plpgsql without explicit init 
> (empty array) don't work;

This isn't a bug; or at least, it's not plpgsql's fault.  The array
variable is initially NULL, same as any other plpgsql variable you
didn't explicitly initialize.  And assigning to an element of a NULL
array yields another NULL array.

Perhaps that behavior should be changed, but I think it would require
making unsupported assumptions about what the user wants...

			regards, tom lane

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