ABAP Select data from SAP table FMLAUFMFCRUCTSDM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMLAUFMFCRUCTSDM
*  INTO TABLE @DATA(IT_FMLAUFMFCRUCTSDM2).
*--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_FMLAUFMFCRUCTSDM INDEX 1 INTO DATA(WA_FMLAUFMFCRUCTSDM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMLAUFMFCRUCTSDM>-MANDT = 1.
<FMLAUFMFCRUCTSDM>-MLVNR = 1.
<FMLAUFMFCRUCTSDM>-VGABE = 1.
<FMLAUFMFCRUCTSDM>-GJAHR = 1.
<FMLAUFMFCRUCTSDM>-BELNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMLAUFMFCRUCTSDM-BUZEI, sy-vline,
  WA_FMLAUFMFCRUCTSDM-KALNR, sy-vline,
  WA_FMLAUFMFCRUCTSDM-CURTP, sy-vline,
  WA_FMLAUFMFCRUCTSDM-BUDAT, sy-vline,
  WA_FMLAUFMFCRUCTSDM-MENGE, sy-vline,
  WA_FMLAUFMFCRUCTSDM-POPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMLAUFMFCRUCTSDM 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_FMLAUFMFCRUCTSDM 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_FMLAUFMFCRUCTSDM INTO WA_FMLAUFMFCRUCTSDM.


*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 GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMLAUFMFCRUCTSDM-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMLAUFMFCRUCTSDM-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FMLAUFMFCRUCTSDM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMLAUFMFCRUCTSDM-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BSTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FMLAUFMFCRUCTSDM-BSTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMLAUFMFCRUCTSDM-BSTME.
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_FMLAUFMFCRUCTSDM_STR, 
MANDT TYPE STRING,
MLVNR TYPE STRING,
VGABE TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
KALNR TYPE STRING,
CURTP TYPE STRING,
BUDAT TYPE STRING,
MENGE TYPE STRING,
POPER TYPE STRING,
BDATJ TYPE STRING,
HRKFT TYPE STRING,
KSTAR TYPE STRING,
BWART TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
SETTLE_POPER TYPE STRING,
SAPRL TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
XWOFF TYPE STRING,
WERKS TYPE STRING,
STORNO TYPE STRING,
MEINS TYPE STRING,
BSTMG TYPE STRING,
BSTME TYPE STRING,
GRIR_ACTIVE TYPE STRING,
WAERS TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
AREWR TYPE STRING,
REEWR TYPE STRING,
SDM_VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMLAUFMFCRUCTSDM_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_FMLAUFMFCRUCTSDM_STR-MANDT sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-MLVNR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-VGABE sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-GJAHR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BELNR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BUZEI sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-KALNR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-CURTP sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BUDAT sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-MENGE sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-POPER sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BDATJ sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-HRKFT sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-KSTAR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BWART sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-AUFNR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-POSNR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-SETTLE_POPER sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-SAPRL sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-CPUDT sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-CPUTM sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-XWOFF sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-WERKS sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-STORNO sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-MEINS sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BSTMG sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-BSTME sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-GRIR_ACTIVE sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-WAERS sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-SHKZG sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-WRBTR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-AREWR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-REEWR sy-vline 
WA_FMLAUFMFCRUCTSDM_STR-SDM_VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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