ABAP Select data from SAP table /CUM/BAPI_AFCU_I into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CUM/BAPI_AFCU_I table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to /CUM/BAPI_AFCU_I. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the /CUM/BAPI_AFCU_I table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_/CUM/BAPI_AFCU_I TYPE STANDARD TABLE OF /CUM/BAPI_AFCU_I,
      WA_/CUM/BAPI_AFCU_I TYPE /CUM/BAPI_AFCU_I,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: </CUM/BAPI_AFCU_I> TYPE /CUM/BAPI_AFCU_I.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/CUM/BAPI_AFCU_I.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CUM/BAPI_AFCU_I
  INTO TABLE IT_/CUM/BAPI_AFCU_I.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CUM/BAPI_AFCU_I
*  INTO TABLE @DATA(IT_/CUM/BAPI_AFCU_I2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_/CUM/BAPI_AFCU_I INDEX 1 INTO DATA(WA_/CUM/BAPI_AFCU_I2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CUM/BAPI_AFCU_I ASSIGNING </CUM/BAPI_AFCU_I>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CUM/BAPI_AFCU_I>-MANDT = 1.
</CUM/BAPI_AFCU_I>-CUGUID = 1.
</CUM/BAPI_AFCU_I>-CU_ID = 1.
</CUM/BAPI_AFCU_I>-PLNAL = 1.
</CUM/BAPI_AFCU_I>-STDNR = 1.

ENDLOOP.

LOOP AT IT_/CUM/BAPI_AFCU_I INTO WA_/CUM/BAPI_AFCU_I.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CUM/BAPI_AFCU_I-PITCRT, sy-vline,
  WA_/CUM/BAPI_AFCU_I-BZGSART, sy-vline,
  WA_/CUM/BAPI_AFCU_I-BZGSOBJTYP, sy-vline,
  WA_/CUM/BAPI_AFCU_I-CU_TPLNR, sy-vline,
  WA_/CUM/BAPI_AFCU_I-CU_EQUNR, sy-vline,
  WA_/CUM/BAPI_AFCU_I-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CUM/BAPI_AFCU_I you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_/CUM/BAPI_AFCU_I TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_/CUM/BAPI_AFCU_I INTO WA_/CUM/BAPI_AFCU_I.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit MATN1, internal->external for field CU_ID
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-CU_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-CU_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-PLNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-PLNAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-STDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-STDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field CU_TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-CU_TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-CU_TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CU_EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-CU_EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-CU_EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR_REF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-AUFNR_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-AUFNR_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WAPOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CUM/BAPI_AFCU_I-WAPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CUM/BAPI_AFCU_I-WAPOS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/CUM/BAPI_AFCU_I_STR, 
MANDT TYPE STRING,
CUGUID TYPE STRING,
CU_ID TYPE STRING,
PLNAL TYPE STRING,
STDNR TYPE STRING,
PITCRT TYPE STRING,
BZGSART TYPE STRING,
BZGSOBJTYP TYPE STRING,
CU_TPLNR TYPE STRING,
CU_EQUNR TYPE STRING,
MATNR TYPE STRING,
SERNR TYPE STRING,
OBJNR TYPE STRING,
COMPLF TYPE STRING,
AUFKT TYPE STRING,
VIRTUAL TYPE STRING,
SUPCUGUID TYPE STRING,
PARCUGUID TYPE STRING,
LVLCTR TYPE STRING,
CUITXT TYPE STRING,
AUFNR TYPE STRING,
DESGUID TYPE STRING,
FMENG TYPE STRING,
ERSKZ TYPE STRING,
AUFNR_REF TYPE STRING,
DESGUID_REF TYPE STRING,
LOEKZ TYPE STRING,
VBKZ TYPE STRING,
VBKZ_AUSP TYPE STRING,
ADD_CU TYPE STRING,
INTCUNR TYPE STRING,
SUPCUNR TYPE STRING,
PARCUNR TYPE STRING,
WAPOS TYPE STRING,
ABNUM TYPE STRING,
REFNR_TL TYPE STRING,
REFNR_HEADER TYPE STRING,
REF_CUGUID TYPE STRING,
VBKZ_V TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CUM/BAPI_AFCU_I_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_/CUM/BAPI_AFCU_I_STR-MANDT sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-CUGUID sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-CU_ID sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-PLNAL sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-STDNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-PITCRT sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-BZGSART sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-BZGSOBJTYP sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-CU_TPLNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-CU_EQUNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-MATNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-SERNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-OBJNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-COMPLF sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-AUFKT sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-VIRTUAL sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-SUPCUGUID sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-PARCUGUID sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-LVLCTR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-CUITXT sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-AUFNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-DESGUID sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-FMENG sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-ERSKZ sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-AUFNR_REF sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-DESGUID_REF sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-LOEKZ sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-VBKZ sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-VBKZ_AUSP sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-ADD_CU sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-INTCUNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-SUPCUNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-PARCUNR sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-WAPOS sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-ABNUM sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-REFNR_TL sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-REFNR_HEADER sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-REF_CUGUID sy-vline 
WA_/CUM/BAPI_AFCU_I_STR-VBKZ_V sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.