SAP ABAP - Select Concat Field Value
* SELECT SINGLE belnr, gjahr, STRING_AGG( ebeln, ',' ORDER BY ebeln ASCENDING ) AS ponum * FROM @lt_inv_po as podata ** FROM acdoca * WHERE bukrs = @<fs_data>-bukrs AND * belnr = @ls_rdata-belnr AND * gjahr = @<fs_data>-gjahr AND ** rldnr = '0L' AND * ...