ABAP Select data from SAP table FAR_S_MHNK_MD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAR_S_MHNK_MD
*  INTO TABLE @DATA(IT_FAR_S_MHNK_MD2).
*--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_FAR_S_MHNK_MD INDEX 1 INTO DATA(WA_FAR_S_MHNK_MD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAR_S_MHNK_MD>-LAUFD = 1.
<FAR_S_MHNK_MD>-LAUFI = 1.
<FAR_S_MHNK_MD>-KOART = 1.
<FAR_S_MHNK_MD>-BUKRS = 1.
<FAR_S_MHNK_MD>-KUNNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAR_S_MHNK_MD-CPDKY, sy-vline,
  WA_FAR_S_MHNK_MD-SKNRZE, sy-vline,
  WA_FAR_S_MHNK_MD-SMABER, sy-vline,
  WA_FAR_S_MHNK_MD-BUSAB, sy-vline,
  WA_FAR_S_MHNK_MD-AUSDT, sy-vline,
  WA_FAR_S_MHNK_MD-GRDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAR_S_MHNK_MD 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_FAR_S_MHNK_MD 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_FAR_S_MHNK_MD INTO WA_FAR_S_MHNK_MD.


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

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

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

*Conversion exit AC152, internal->external for field SALDO
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FAR_S_MHNK_MD-SALDO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_S_MHNK_MD-SALDO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FAR_S_MHNK_MD-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_S_MHNK_MD-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FAEBT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FAR_S_MHNK_MD-FAEBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_S_MHNK_MD-FAEBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FAEHW
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FAR_S_MHNK_MD-FAEHW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAR_S_MHNK_MD-FAEHW.
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_FAR_S_MHNK_MD_STR, 
LAUFD TYPE STRING,
LAUFI TYPE STRING,
KOART TYPE STRING,
BUKRS TYPE STRING,
KUNNR TYPE STRING,
CPDKY TYPE STRING,
SKNRZE TYPE STRING,
SMABER TYPE STRING,
BUSAB TYPE STRING,
AUSDT TYPE STRING,
GRDAT TYPE STRING,
KNRMA TYPE STRING,
GMVDT TYPE STRING,
MAHNS TYPE STRING,
WAERS TYPE STRING,
SALDO TYPE STRING,
MANSP TYPE STRING,
MGRUP TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
LAND1 TYPE STRING,
ADR01 TYPE STRING,
XMFLG TYPE STRING,
PRNDT TYPE STRING,
PRNDT_BEFORE TYPE STRING,
NAME1 TYPE STRING,
SNAME TYPE STRING,
MAHNA TYPE STRING,
TEXT1 TYPE STRING,
SPRAS TYPE STRING,
FAEBT TYPE STRING,
FAEHW TYPE STRING,
HWAER TYPE STRING,
HASH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAR_S_MHNK_MD_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_FAR_S_MHNK_MD_STR-LAUFD sy-vline 
WA_FAR_S_MHNK_MD_STR-LAUFI sy-vline 
WA_FAR_S_MHNK_MD_STR-KOART sy-vline 
WA_FAR_S_MHNK_MD_STR-BUKRS sy-vline 
WA_FAR_S_MHNK_MD_STR-KUNNR sy-vline 
WA_FAR_S_MHNK_MD_STR-CPDKY sy-vline 
WA_FAR_S_MHNK_MD_STR-SKNRZE sy-vline 
WA_FAR_S_MHNK_MD_STR-SMABER sy-vline 
WA_FAR_S_MHNK_MD_STR-BUSAB sy-vline 
WA_FAR_S_MHNK_MD_STR-AUSDT sy-vline 
WA_FAR_S_MHNK_MD_STR-GRDAT sy-vline 
WA_FAR_S_MHNK_MD_STR-KNRMA sy-vline 
WA_FAR_S_MHNK_MD_STR-GMVDT sy-vline 
WA_FAR_S_MHNK_MD_STR-MAHNS sy-vline 
WA_FAR_S_MHNK_MD_STR-WAERS sy-vline 
WA_FAR_S_MHNK_MD_STR-SALDO sy-vline 
WA_FAR_S_MHNK_MD_STR-MANSP sy-vline 
WA_FAR_S_MHNK_MD_STR-MGRUP sy-vline 
WA_FAR_S_MHNK_MD_STR-PSTLZ sy-vline 
WA_FAR_S_MHNK_MD_STR-ORT01 sy-vline 
WA_FAR_S_MHNK_MD_STR-STRAS sy-vline 
WA_FAR_S_MHNK_MD_STR-PFACH sy-vline 
WA_FAR_S_MHNK_MD_STR-LAND1 sy-vline 
WA_FAR_S_MHNK_MD_STR-ADR01 sy-vline 
WA_FAR_S_MHNK_MD_STR-XMFLG sy-vline 
WA_FAR_S_MHNK_MD_STR-PRNDT sy-vline 
WA_FAR_S_MHNK_MD_STR-PRNDT_BEFORE sy-vline 
WA_FAR_S_MHNK_MD_STR-NAME1 sy-vline 
WA_FAR_S_MHNK_MD_STR-SNAME sy-vline 
WA_FAR_S_MHNK_MD_STR-MAHNA sy-vline 
WA_FAR_S_MHNK_MD_STR-TEXT1 sy-vline 
WA_FAR_S_MHNK_MD_STR-SPRAS sy-vline 
WA_FAR_S_MHNK_MD_STR-FAEBT sy-vline 
WA_FAR_S_MHNK_MD_STR-FAEHW sy-vline 
WA_FAR_S_MHNK_MD_STR-HWAER sy-vline 
WA_FAR_S_MHNK_MD_STR-HASH sy-vline      INTO ld_text SEPARATED BY SPACE.

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