Re: problems with array

Not sure if you got this figured out but I think

SELECT * from tb_cat WHERE id IN (SELECT
array_to_string(cat,',') as cat FROM tb_array WHERE
id=1);

is what your looking for?

--- paperinik 100 <paperinik_100(at)hotmail(dot)com> wrote:

> PostgreSQL is 7.4.7.
>
> My first table
> CREATE TABLE tb_cat (
> id INTEGER,
> desc text
> );
> INSERT INTO tb_cat VALUES (10, 'cat10');
> INSERT INTO tb_cat VALUES (20, 'cat20');
> INSERT INTO tb_cat VALUES (30, 'cat30');
>
> My second table
> CREATE TABLE tb_array(
> id INTEGER,
> cat INTEGER[]
> );
> INSERT INTO tb_array VALUES(1, ARRAY [10, 20]);
>
> When I write my select
> SELECT * from tb_cat WHERE id IN (SELECT cat FROM
> tb_array WHERE id=1);
> the output is:
> ERROR: operator does not exist: integer = integer[]
> HINT: No operator matches the given name and
> argument type(s). You may need
> to add explicit type casts.
>
> Can anyone help me?
> thanks.
>
>
>
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