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@hotmail.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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