Re: How to pass table column values to function

On Sat, Feb 11, 2023 at 3:55 PM Andrus <kobruleht2(at)hot(dot)ee> wrote:

> Hi!
>
> Table source contains integer column. Its values should be passed to
> function for selecting data from other table.
>
> I tried
>
> CREATE OR REPLACE FUNCTION
> public.TestAddAssetTransactions(dokumnrs int[])
> RETURNS int AS
> $BODY$
>
> with i1 as (
> INSERT INTO bilkaib (dokumnr)
> select dokumnr from dok where dokumnr in (select * from
> unnest(dokumnrs))
> returning *
> )
>
> select count(*) from i1;
> $BODY$ language sql;
>
> create temp table bilkaib (dokumnr int ) on commit drop;
> create temp table dok (dokumnr serial primary key ) on commit drop;
> create temp table source (dokumnr int ) on commit drop;
> insert into source values (1),(2);
>
> select TestAddAssetTransactions( (select ARRAY[dokumnr] from
> source)::int[] )
>
>
> but got error
>
> > ERROR: more than one row returned by a subquery used as an expression
>
> How to pass set of integers to function? Should temp table with fixed name
> used or is there better solution?
>
> Using Postgresql 12+
>
> Andrus.
>
try this:
select TestAddAssetTransactions((select array(select * from source)));