How to work with deep structure

Question

Hi !
I wanted to ask how to loop, modify, append tables located in deep structures. Deep structures i mean, structures consist of columns which are tables ( usualy exists in user-exit). Please give examples and reference help to this subject.
Thanks
Moshe

Answer 1

Hi
TYPES: T_TYBSEG TYPE STANDARD TABLE OF BSEG.
DATA: BEGIN OF T_DOCUMENTS,
        HEADER LIKE BKPF,
        ITEMS  TYPE T_TYBSEG,
      END   OF T_DOCUMENTS.
DATA: T_BSEG TYPE T_TYBSEG,
      T_BKPF TYPE STANDARD TABLE OF BKPF WITH HEADER LINE.
Append data:
SELECT * FROM BKPF INTO TABLE T_BKPF WHERE ....
LOOP AT T_BKPF.
  MOVE-CORRESPONDING T_BKPF TO T_DOCUMENTS-HEADER.
   SELECT * FROM BSEG INTO TABLE T_BSEG where ....
Here it uses the table t_bseg to append the items to T_DCOUMENTS-ITEMS: it's very import to clear this table before appending records.
If you don't clear the internal table you'll append several times the same records.
   REFRESH T_DOCUMENTS-ITEMS.
   APPEND LINES OF T_BSEG TO T_DOCUMENTS-ITEMS.
   APPEND T_DOCUMENTS.
ENDLOOP.
Read DATA:
  LOOP AT T_DOCUMENTS.
    LOOP AT T_DOCUMENTS-ITEMS INTO BSEG.
    ENDLOOP.
  ENDLOOP.
OR
  READ TABLE T_DOCUMENTS (WITH KEY ...) (INDEX <INDEX>).
  IF SY-SUBRC = 0.
     LOOP AT T_DOCUMENTS-ITEMS INTO BSEG.
     ENDLOOP.  
  ENDIF.
Modify
  LOOP AT T_DOCUMENTS.
    LOOP AT T_DOCUMENTS-ITEMS INTO BSEG.
      IF BSEG-GJAHR = '2005'.
        BSEG-GJAHR = '2006'.
      ENDIF.
      MODIFY T_DOCUMETS-ITEMS FROM BSEG.
    ENDLOOP.
  ENDLOOP.
So if you use this type of structure the table haven't an headerline, so you always use a workarea to read an update the data.
Max
Message was edited by: max bianchi