plsql - LISTAGG IN PL/SQL -


help please find mistake in creating function return 1 row list.

select   listagg(' ' || v_receiving_list.document_number || chr(13))          within group (order v_receiving_list.document_number)     svc.claim_detail, tbc.v_receiving_list    claim_detail.id_claim = 334455           , v_receiving_list.id_receiving_list = claim_detail.id_receiving_list

the code return correct result.

but next dont return same.

declare     scodes   varchar2 (4000); begin     select (listagg(' ' || receiving_list.document_number || chr(13))            within group (order receiving_list.document_number))       scodes        svc.claim_detail, tbc.v_receiving_list        claim_detail.id_claim = 334455           , receiving_list.id_receiving_list = claim_detail.id_receiving_list;     dbms_output.put_line(scodes); end; 

sql> select * v_receiving_list ;  document_number id_receiving_list --------------- --------------------               1               1               2 b  sql> select * claim_detail ;    id_claim id_receiving_list ---------- --------------------        123        123        124 b   sql> declare   2      scodes   varchar2 (4000);   3  begin   4      select (listagg(' '|| v_receiving_list.document_number || chr(13))   5             within group (order v_receiving_list.document_number))   6   7        scodes   8        claim_detail, v_receiving_list   9       claim_detail.id_claim = 123  10      , v_receiving_list.id_receiving_list = claim_detail.id_receiving_list;  11  12  13      dbms_output.put_line('the output '||scodes);  14  end;  15  /  1e output  1  pl/sql procedure completed.

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