Re: Stored procedure with execute and returning clause

[Pavel Stehule]

ne 23. 8. 2020 v 14:36 odesílatel Mike Martin <redt...@gmail.com> napsal:

>
> Hi
> I am having difficulty with returning clause and stored procedure. This is
> an (edited) example of where I am
>
> CREATE OR REPLACE PROCEDURE public.arrcopy1(
>      dataarr anyarray,
>      tblname text,
>      cols text DEFAULT NULL::text,
>      selstr text DEFAULT NULL::text,
>      INOUT outarr text[] DEFAULT NULL
> )
> LANGUAGE 'plpgsql'
> AS $BODY$
>
> insstr:= INSERT INTO tagdata(fileid,tagname,tagvalue)  SELECT
> arr[1]::integer,arr[2]::text,string_to_array(arr[3],E'\b') FROM
>   (select array_agg(v order by rn) arr
>   from unnest($1) with ordinality v(v,rn)
>   group by (rn - 1) / array_length($1::text[],2)
>   ) a
> JOIN tagfile ON fileid=arr[1]::int RETURNING *::text[];
>
> Then called as
>
> EXECUTE insstr INTO outarr USING (dataarr) ;
> $BODY$
>
> This compiles as a proc
>
> But I then get an error (this is in perl)
>
> DBD::Pg::db selectall_arrayref failed: ERROR:  malformed array literal:
> "3182753"
> DETAIL:  Array value must start with "{" or dimension information
>
> The procedure works perfectly without the INTO Clause on execute
>
> If I change returning clause to
> RETURNING array[fileid]
>
> It runs but only returns the first fileid not all fileids inserted
>

I afraid so expression like '*'::text[] is not supported

you need to assign returning value to RECORD value, and then manually build
a array from array' fields

There is not any cast record to array.

Regards

Pavel


>
> thanks
>
>
>
>