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From: Joe Conway <mail@joeconway.com>
To: Cristian Cappo <ccappo@cnc.una.py>
Cc: pgsql-sql@postgresql.org
Subject: Re: How access  to array component
Date: Sat, 19 Jul 2003 20:04:20 -0700
Message-ID: <3F1A06B4.6090301@joeconway.com> (raw)
In-Reply-To: <3F180992.5070400@cnc.una.py>
References: <3F180992.5070400@cnc.una.py>

Cristian Cappo wrote:
>  >>>  select __function(10::int2, 20::int2)[1]
>                       ^^^ parsing error.
> 

Try:

create or replace function foo(int2, int2 ) returns _varchar as '
select ''{1,2}''::_varchar
' language 'sql';

regression=# select (foo(10::int2, 20::int2))[1];
  foo
-----
  1
(1 row)

HTH,

Joe

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