ABAP Select data from SAP table KOMZRPE_APPEND_S40 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KOMZRPE_APPEND_S40 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 KOMZRPE_APPEND_S40. 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 KOMZRPE_APPEND_S40 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_KOMZRPE_APPEND_S40 TYPE STANDARD TABLE OF KOMZRPE_APPEND_S40,
      WA_KOMZRPE_APPEND_S40 TYPE KOMZRPE_APPEND_S40,
      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: <KOMZRPE_APPEND_S40> TYPE KOMZRPE_APPEND_S40.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_KOMZRPE_APPEND_S40.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM KOMZRPE_APPEND_S40
  INTO TABLE IT_KOMZRPE_APPEND_S40.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KOMZRPE_APPEND_S40
*  INTO TABLE @DATA(IT_KOMZRPE_APPEND_S402).
*--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_KOMZRPE_APPEND_S40 INDEX 1 INTO DATA(WA_KOMZRPE_APPEND_S402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_KOMZRPE_APPEND_S40 ASSIGNING <KOMZRPE_APPEND_S40>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KOMZRPE_APPEND_S40>-MVGR1 = 1.
<KOMZRPE_APPEND_S40>-MVGR2 = 1.
<KOMZRPE_APPEND_S40>-MVGR3 = 1.
<KOMZRPE_APPEND_S40>-MVGR4 = 1.
<KOMZRPE_APPEND_S40>-MVGR5 = 1.

ENDLOOP.

LOOP AT IT_KOMZRPE_APPEND_S40 INTO WA_KOMZRPE_APPEND_S40.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KOMZRPE_APPEND_S40-PRODH, sy-vline,
  WA_KOMZRPE_APPEND_S40-DISPUTE_CASE, sy-vline,
  WA_KOMZRPE_APPEND_S40-REPLACEMENT_ACTIVE_PARTNER, sy-vline,
  WA_KOMZRPE_APPEND_S40-VKORG_I, sy-vline,
  WA_KOMZRPE_APPEND_S40-VTWEG_I, sy-vline,
  WA_KOMZRPE_APPEND_S40-SPART_I, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KOMZRPE_APPEND_S40 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_KOMZRPE_APPEND_S40 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_KOMZRPE_APPEND_S40 INTO WA_KOMZRPE_APPEND_S40.


*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 GJAHR, internal->external for field REF_DOC_YEAR_1
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KOMZRPE_APPEND_S40-REF_DOC_YEAR_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMZRPE_APPEND_S40-REF_DOC_YEAR_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REF_LOG_SYS_1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOMZRPE_APPEND_S40-REF_LOG_SYS_1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMZRPE_APPEND_S40-REF_LOG_SYS_1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REF_DOC_YEAR_2
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_KOMZRPE_APPEND_S40-REF_DOC_YEAR_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMZRPE_APPEND_S40-REF_DOC_YEAR_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REF_LOG_SYS_2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_KOMZRPE_APPEND_S40-REF_LOG_SYS_2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMZRPE_APPEND_S40-REF_LOG_SYS_2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REF_WFKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_KOMZRPE_APPEND_S40-REF_WFKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_KOMZRPE_APPEND_S40-REF_WFKME.
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_KOMZRPE_APPEND_S40_STR, 
MVGR1 TYPE STRING,
MVGR2 TYPE STRING,
MVGR3 TYPE STRING,
MVGR4 TYPE STRING,
MVGR5 TYPE STRING,
PRODH TYPE STRING,
DISPUTE_CASE TYPE STRING,
REPLACEMENT_ACTIVE_PARTNER TYPE STRING,
VKORG_I TYPE STRING,
VTWEG_I TYPE STRING,
SPART_I TYPE STRING,
PROVG TYPE STRING,
KONDM TYPE STRING,
REBATE_GRP TYPE STRING,
REF_DOC_NR_1 TYPE STRING,
REF_DOC_YEAR_1 TYPE STRING,
REF_LOG_SYS_1 TYPE STRING,
REF_COMPANY_CODE_1 TYPE STRING,
REF_DOC_NR_2 TYPE STRING,
REF_DOC_YEAR_2 TYPE STRING,
REF_LOG_SYS_2 TYPE STRING,
BUPLA TYPE STRING,
BUPLA_IC TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
TAX_COUNTRY TYPE STRING,
TAX_COUNTRY_IC TYPE STRING,
TXJCD_IC TYPE STRING,
REF_MENGE TYPE STRING,
REF_WFKME TYPE STRING,
REF_DOC_TYPE_1 TYPE STRING,
LANDTX_I TYPE STRING,
LAND1TX_I TYPE STRING,
STCEG_I TYPE STRING,
STCEGD_I TYPE STRING,
SETTL_ITEM_REL TYPE STRING,
BUKRS_I TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KOMZRPE_APPEND_S40_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_KOMZRPE_APPEND_S40_STR-MVGR1 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-MVGR2 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-MVGR3 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-MVGR4 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-MVGR5 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-PRODH sy-vline 
WA_KOMZRPE_APPEND_S40_STR-DISPUTE_CASE sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REPLACEMENT_ACTIVE_PARTNER sy-vline 
WA_KOMZRPE_APPEND_S40_STR-VKORG_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-VTWEG_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-SPART_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-PROVG sy-vline 
WA_KOMZRPE_APPEND_S40_STR-KONDM sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REBATE_GRP sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_DOC_NR_1 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_DOC_YEAR_1 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_LOG_SYS_1 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_COMPANY_CODE_1 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_DOC_NR_2 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_DOC_YEAR_2 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_LOG_SYS_2 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-BUPLA sy-vline 
WA_KOMZRPE_APPEND_S40_STR-BUPLA_IC sy-vline 
WA_KOMZRPE_APPEND_S40_STR-UMREZ sy-vline 
WA_KOMZRPE_APPEND_S40_STR-UMREN sy-vline 
WA_KOMZRPE_APPEND_S40_STR-TAX_COUNTRY sy-vline 
WA_KOMZRPE_APPEND_S40_STR-TAX_COUNTRY_IC sy-vline 
WA_KOMZRPE_APPEND_S40_STR-TXJCD_IC sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_MENGE sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_WFKME sy-vline 
WA_KOMZRPE_APPEND_S40_STR-REF_DOC_TYPE_1 sy-vline 
WA_KOMZRPE_APPEND_S40_STR-LANDTX_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-LAND1TX_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-STCEG_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-STCEGD_I sy-vline 
WA_KOMZRPE_APPEND_S40_STR-SETTL_ITEM_REL sy-vline 
WA_KOMZRPE_APPEND_S40_STR-BUKRS_I sy-vline      INTO ld_text SEPARATED BY SPACE.

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