ABAP Select data from SAP table FC01LMDL50 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FC01LMDL50 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 FC01LMDL50. 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 FC01LMDL50 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_FC01LMDL50 TYPE STANDARD TABLE OF FC01LMDL50,
      WA_FC01LMDL50 TYPE FC01LMDL50,
      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: <FC01LMDL50> TYPE FC01LMDL50.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FC01LMDL50.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FC01LMDL50
  INTO TABLE IT_FC01LMDL50.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FC01LMDL50
*  INTO TABLE @DATA(IT_FC01LMDL502).
*--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_FC01LMDL50 INDEX 1 INTO DATA(WA_FC01LMDL502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FC01LMDL50 ASSIGNING <FC01LMDL50>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FC01LMDL50>-DIMEN = 1.
<FC01LMDL50>-BUNIT = 1.
<FC01LMDL50>-CNTRY = 1.
<FC01LMDL50>-RCOMP = 1.
<FC01LMDL50>-GSBER_KONS = 1.

ENDLOOP.

LOOP AT IT_FC01LMDL50 INTO WA_FC01LMDL50.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FC01LMDL50-KOKRS, sy-vline,
  WA_FC01LMDL50-PRCTR, sy-vline,
  WA_FC01LMDL50-TXTSH, sy-vline,
  WA_FC01LMDL50-TXTMI, sy-vline,
  WA_FC01LMDL50-ROIND, sy-vline,
  WA_FC01LMDL50-REASN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FC01LMDL50 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_FC01LMDL50 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_FC01LMDL50 INTO WA_FC01LMDL50.


*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 AFIMC, internal->external for field BUNIT
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDL50-BUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDL50-BUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RCOMP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDL50-RCOMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDL50-RCOMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDL50-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDL50-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU_BU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDL50-LANGU_BU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDL50-LANGU_BU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDL50-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDL50-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FRYEAR_H
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FC01LMDL50-FRYEAR_H
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC01LMDL50-FRYEAR_H.
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_FC01LMDL50_STR, 
DIMEN TYPE STRING,
BUNIT TYPE STRING,
CNTRY TYPE STRING,
RCOMP TYPE STRING,
GSBER_KONS TYPE STRING,
KOKRS TYPE STRING,
PRCTR TYPE STRING,
TXTSH TYPE STRING,
TXTMI TYPE STRING,
ROIND TYPE STRING,
REASN TYPE STRING,
EXIND TYPE STRING,
LANGU_BU TYPE STRING,
CURR TYPE STRING,
RLDNR TYPE STRING,
PERIV TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
STRET TYPE STRING,
POBOX TYPE STRING,
CITY TYPE STRING,
ZIPC1 TYPE STRING,
ZIPC2 TYPE STRING,
TELFN TYPE STRING,
TEFAX TYPE STRING,
TELEX TYPE STRING,
COCAT TYPE STRING,
SETBU TYPE STRING,
INPIND TYPE STRING,
TAXRT TYPE STRING,
DIVTAX TYPE STRING,
GCIND TYPE STRING,
CTRGR TYPE STRING,
FOCTR TYPE STRING,
TRANS TYPE STRING,
UPMETH TYPE STRING,
LOGFILE TYPE STRING,
PRES TYPE STRING,
FRYEAR_H TYPE STRING,
CURR_LOCAL_SEND TYPE STRING,
CURR_GROUP_SEND TYPE STRING,
CONTP TYPE STRING,
BLINE TYPE STRING,
LFORM TYPE STRING,
LSIND TYPE STRING,
VERSN TYPE STRING,
PERTP TYPE STRING,
VALG1 TYPE STRING,
VALG2 TYPE STRING,
FPERS TYPE STRING,
NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FC01LMDL50_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_FC01LMDL50_STR-DIMEN sy-vline 
WA_FC01LMDL50_STR-BUNIT sy-vline 
WA_FC01LMDL50_STR-CNTRY sy-vline 
WA_FC01LMDL50_STR-RCOMP sy-vline 
WA_FC01LMDL50_STR-GSBER_KONS sy-vline 
WA_FC01LMDL50_STR-KOKRS sy-vline 
WA_FC01LMDL50_STR-PRCTR sy-vline 
WA_FC01LMDL50_STR-TXTSH sy-vline 
WA_FC01LMDL50_STR-TXTMI sy-vline 
WA_FC01LMDL50_STR-ROIND sy-vline 
WA_FC01LMDL50_STR-REASN sy-vline 
WA_FC01LMDL50_STR-EXIND sy-vline 
WA_FC01LMDL50_STR-LANGU_BU sy-vline 
WA_FC01LMDL50_STR-CURR sy-vline 
WA_FC01LMDL50_STR-RLDNR sy-vline 
WA_FC01LMDL50_STR-PERIV sy-vline 
WA_FC01LMDL50_STR-NAME1 sy-vline 
WA_FC01LMDL50_STR-NAME2 sy-vline 
WA_FC01LMDL50_STR-STRET sy-vline 
WA_FC01LMDL50_STR-POBOX sy-vline 
WA_FC01LMDL50_STR-CITY sy-vline 
WA_FC01LMDL50_STR-ZIPC1 sy-vline 
WA_FC01LMDL50_STR-ZIPC2 sy-vline 
WA_FC01LMDL50_STR-TELFN sy-vline 
WA_FC01LMDL50_STR-TEFAX sy-vline 
WA_FC01LMDL50_STR-TELEX sy-vline 
WA_FC01LMDL50_STR-COCAT sy-vline 
WA_FC01LMDL50_STR-SETBU sy-vline 
WA_FC01LMDL50_STR-INPIND sy-vline 
WA_FC01LMDL50_STR-TAXRT sy-vline 
WA_FC01LMDL50_STR-DIVTAX sy-vline 
WA_FC01LMDL50_STR-GCIND sy-vline 
WA_FC01LMDL50_STR-CTRGR sy-vline 
WA_FC01LMDL50_STR-FOCTR sy-vline 
WA_FC01LMDL50_STR-TRANS sy-vline 
WA_FC01LMDL50_STR-UPMETH sy-vline 
WA_FC01LMDL50_STR-LOGFILE sy-vline 
WA_FC01LMDL50_STR-PRES sy-vline 
WA_FC01LMDL50_STR-FRYEAR_H sy-vline 
WA_FC01LMDL50_STR-CURR_LOCAL_SEND sy-vline 
WA_FC01LMDL50_STR-CURR_GROUP_SEND sy-vline 
WA_FC01LMDL50_STR-CONTP sy-vline 
WA_FC01LMDL50_STR-BLINE sy-vline 
WA_FC01LMDL50_STR-LFORM sy-vline 
WA_FC01LMDL50_STR-LSIND sy-vline 
WA_FC01LMDL50_STR-VERSN sy-vline 
WA_FC01LMDL50_STR-PERTP sy-vline 
WA_FC01LMDL50_STR-VALG1 sy-vline 
WA_FC01LMDL50_STR-VALG2 sy-vline 
WA_FC01LMDL50_STR-FPERS sy-vline 
WA_FC01LMDL50_STR-NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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