select "PO Number2", "Total"

from (select distinct "PO Number2", sum("Amount") as "Total"

      from (select distinct account as Account,
                            company as Company,
                            year_period_key as "Year Period Key",
                            voucher_no as "Voucher No",
                            voucher_type as "Vou Type",
                            voucher_date as "GRN/Invoice Date",
                            reference_number as "PO Number2",
                            code_c as "Project ID",
                            ifsapp.PURCHASE_ORDER_API.Get_Vendor_No(reference_number) as "Supplier ID",
                            ifsapp.SUPPLIER_INFO_API.Get_Name(ifsapp.PURCHASE_ORDER_API.Get_Vendor_No(reference_number)) as "Supplier Name",
                            sum(quantity) as "Quantity",
                            sum(amount) as "Amount",
                            sum(debet_amount) as "Debit Amount",
                            sum(credit_amount) as "Credit Amount"

              from ifsapp.GEN_LED_VOUCHER_ROW_UNION_QRY

             where account = '222010'
               and Voucher_Type = '0'

             group by voucher_type,
                      account,
                      year_period_key,
                      voucher_date,
                      reference_number,
                      code_c,
                      company,
                      voucher_no,
                      party_type_id

            union all

            select distinct account as Account,
                            company as Company,
                            year_period_key as "Year Period Key",
                            voucher_no as "Voucher No",
                            voucher_type as "Vou Type",
                            voucher_date as "GRN/Invoice Date",
                            ifsapp.MAN_SUPP_INVOICE_API.Get_Purchase_Order_Ref_Number(company,
                                                                                      party_type_id,
                                                                                      'Supplier',
                                                                                      reference_number) as "PO Number2",
                            code_c as "Project ID",
                            ifsapp.PURCHASE_ORDER_API.Get_Vendor_No(ifsapp.MAN_SUPP_INVOICE_API.Get_Purchase_Order_Ref_Number(company,
                                                                                                                              party_type_id,
                                                                                                                              'Supplier',
                                                                                                                              reference_number)) as "Supplier ID",
                            ifsapp.SUPPLIER_INFO_API.Get_Name(ifsapp.PURCHASE_ORDER_API.Get_Vendor_No(ifsapp.MAN_SUPP_INVOICE_API.Get_Purchase_Order_Ref_Number(company,
                                                                                                                                                                party_type_id,
                                                                                                                                                                'Supplier',
                                                                                                                                                                reference_number))) as "Supplier Name",
                            sum(quantity) as "Quantity",
                            sum(amount) as "Amount",
                            sum(debet_amount) as "Debit Amount",
                            sum(credit_amount) as "Credit Amount"

              from ifsapp.GEN_LED_VOUCHER_ROW_UNION_QRY

             where account = '222010'
               and Voucher_Type = 'J'
             group by voucher_type,
                      account,
                      year_period_key,
                      voucher_date,
                      reference_number,
                      code_c,
                      company,
                      voucher_no,
                      party_type_id)

     where "Year Period Key" <= '&YearPeriodKey'
     group by "PO Number2")

where "Total" = 0