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Re: array variables

From: "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Marcin Krawczyk" <jankes(dot)mk(at)gmail(dot)com>, pgsql-sql(at)postgresql(dot)org
Subject: Re: array variables
Date: 2008-11-13 13:59:32
Message-ID: 162867790811130559w73aa0448wca6f90c7ff8a13a6@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-sql
2008/11/13 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com> writes:
>> 2008/11/13 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>>> My example was done in 8.3.
>
>> I tested it with error:
>
>> postgres=# select array(select row(a,b) from f);
>> ERROR:  could not find array type for datatype record
>
> You left out the cast to a named rowtype --- that's not optional,
> unfortunately.
>

it works on devel

[pavel(at)localhost pgsql]$ psql postgres
\psql (8.4devel)
Type "help" for help.

postgres=# create table foo(a int, b varchar);
CREATE TABLE
postgres=# insert into foo values(10, 'kuku'),(20,'aba');
INSERT 0 2
postgres=# select array(select row(a,b) from foo);
         ?column?
--------------------------
 {"(10,kuku)","(20,aba)"}
(1 row)

regards
Pavel Stehule

>                        regards, tom lane
>

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