HIGH Effort: M — Medium (days) Deprecated Tables

How to remediate: EKKO/EKPO direct access

Direct reads from EKKO/EKPO (Purchase Order header/item). Use released API I_PurchaseOrder.

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What changes in S/4HANA

Structural changes in S/4HANA purchasing tables. Released CDS views provide stable interface.

Before and after: ABAP code example

Before (ECC) 
* ECC: direct EKKO/EKPO read
SELECT e~ebeln e~lifnr p~ebelp p~matnr p~menge p~netpr
  FROM ekko AS e
  INNER JOIN ekpo AS p ON p~ebeln = e~ebeln
  INTO TABLE @DATA(lt_po)
  WHERE e~bukrs = @lv_bukrs.
After (S/4HANA) 
* S/4HANA: released CDS view I_PurchaseOrderItem
SELECT purchaseorder, purchaseorderitem,
       supplier, material, orderquantity, netpriceamount
  FROM i_purchaseorderitem
  INTO TABLE @DATA(lt_po)
  WHERE companycode = @lv_bukrs.

Effort estimate and common pitfalls

Effort estimate

M — Medium (days)

Estimate is per affected object. Total effort scales with the number of occurrences in your codebase. Use the A1 scan to get an object-level count before estimating the full project.

Common pitfalls

  • ! Missing related objects that contain the same pattern
  • ! Not testing edge cases after replacing the API
  • ! Skipping regression tests for dependent programs

Related rules to check

HIGH S

SELECT * usage

SELECT * reads all columns including new S/4HANA columns, causing unexpected results and performance issues.
HIGH M

VBAK/VBAP direct access

Direct reads from VBAK/VBAP (Sales Document header/item). S/4HANA adds fields that change the structure.
CRITICAL XL

BSEG direct access

BSEG is a cluster table in ECC. In S/4HANA, financial data moved to ACDOCA (Universal Journal).

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