ABAP Select data from SAP table FCMLREPCKMLCR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCMLREPCKMLCR
*  INTO TABLE @DATA(IT_FCMLREPCKMLCR2).
*--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_FCMLREPCKMLCR INDEX 1 INTO DATA(WA_FCMLREPCKMLCR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCMLREPCKMLCR>-MANDT = 1.
<FCMLREPCKMLCR>-MLHELPDESK_BELNR = 1.
<FCMLREPCKMLCR>-MLHELPDESK_KJAHR = 1.
<FCMLREPCKMLCR>-MLHELPDESK_POSNR = 1.
<FCMLREPCKMLCR>-MLHELPDESK_BEFOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCMLREPCKMLCR-PEINH, sy-vline,
  WA_FCMLREPCKMLCR-VPRSV, sy-vline,
  WA_FCMLREPCKMLCR-STPRS, sy-vline,
  WA_FCMLREPCKMLCR-PVPRS, sy-vline,
  WA_FCMLREPCKMLCR-WAERS, sy-vline,
  WA_FCMLREPCKMLCR-SALK3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCMLREPCKMLCR 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_FCMLREPCKMLCR 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_FCMLREPCKMLCR INTO WA_FCMLREPCKMLCR.


*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 MLHELPDESK_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCMLREPCKMLCR-MLHELPDESK_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCMLREPCKMLCR-MLHELPDESK_BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field MLHELPDESK_KJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCMLREPCKMLCR-MLHELPDESK_KJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCMLREPCKMLCR-MLHELPDESK_KJAHR.
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_FCMLREPCKMLCR_STR, 
MANDT TYPE STRING,
MLHELPDESK_BELNR TYPE STRING,
MLHELPDESK_KJAHR TYPE STRING,
MLHELPDESK_POSNR TYPE STRING,
MLHELPDESK_BEFOR TYPE STRING,
PEINH TYPE STRING,
VPRSV TYPE STRING,
STPRS TYPE STRING,
PVPRS TYPE STRING,
WAERS TYPE STRING,
SALK3 TYPE STRING,
SALKV TYPE STRING,
ZUUMB_O TYPE STRING,
ABPRD_O TYPE STRING,
ABKDM_O TYPE STRING,
ZUPRD_O TYPE STRING,
ZUKDM_O TYPE STRING,
VPPRD_O TYPE STRING,
VPKDM_O TYPE STRING,
VPPBPRD_O TYPE STRING,
VPPBKDM_O TYPE STRING,
VNPRD_O TYPE STRING,
VNKDM_O TYPE STRING,
EKPRD_O TYPE STRING,
EKKDM_O TYPE STRING,
PBPRD_O TYPE STRING,
PBKDM_O TYPE STRING,
VNPRD_EA TYPE STRING,
VNKDM_EA TYPE STRING,
EBPRD_EA TYPE STRING,
EBKDM_EA TYPE STRING,
ZUUMB_A TYPE STRING,
ZUPRD_A TYPE STRING,
ZUKDM_A TYPE STRING,
EKPRD_A TYPE STRING,
EKKDM_A TYPE STRING,
PBPRD_A TYPE STRING,
PBKDM_A TYPE STRING,
ABPRD_MO TYPE STRING,
ABKDM_MO TYPE STRING,
ZUPRD_MO TYPE STRING,
ZUKDM_MO TYPE STRING,
VNPRD_MA TYPE STRING,
VNKDM_MA TYPE STRING,
EBPRD_MA TYPE STRING,
EBKDM_MA TYPE STRING,
ABSALK3 TYPE STRING,
ZUKDM_OST TYPE STRING,
EKKDM_OST TYPE STRING,
PBKDM_OST TYPE STRING,
VPKDM_OST TYPE STRING,
VPPBKDM_OST TYPE STRING,
VNKDM_OST TYPE STRING,
MARKUP_O TYPE STRING,
VKSAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCMLREPCKMLCR_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_FCMLREPCKMLCR_STR-MANDT sy-vline 
WA_FCMLREPCKMLCR_STR-MLHELPDESK_BELNR sy-vline 
WA_FCMLREPCKMLCR_STR-MLHELPDESK_KJAHR sy-vline 
WA_FCMLREPCKMLCR_STR-MLHELPDESK_POSNR sy-vline 
WA_FCMLREPCKMLCR_STR-MLHELPDESK_BEFOR sy-vline 
WA_FCMLREPCKMLCR_STR-PEINH sy-vline 
WA_FCMLREPCKMLCR_STR-VPRSV sy-vline 
WA_FCMLREPCKMLCR_STR-STPRS sy-vline 
WA_FCMLREPCKMLCR_STR-PVPRS sy-vline 
WA_FCMLREPCKMLCR_STR-WAERS sy-vline 
WA_FCMLREPCKMLCR_STR-SALK3 sy-vline 
WA_FCMLREPCKMLCR_STR-SALKV sy-vline 
WA_FCMLREPCKMLCR_STR-ZUUMB_O sy-vline 
WA_FCMLREPCKMLCR_STR-ABPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-ABKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-ZUPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-ZUKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-VPPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-VPKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-VPPBPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-VPPBKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-VNPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-VNKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-EKPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-EKKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-PBPRD_O sy-vline 
WA_FCMLREPCKMLCR_STR-PBKDM_O sy-vline 
WA_FCMLREPCKMLCR_STR-VNPRD_EA sy-vline 
WA_FCMLREPCKMLCR_STR-VNKDM_EA sy-vline 
WA_FCMLREPCKMLCR_STR-EBPRD_EA sy-vline 
WA_FCMLREPCKMLCR_STR-EBKDM_EA sy-vline 
WA_FCMLREPCKMLCR_STR-ZUUMB_A sy-vline 
WA_FCMLREPCKMLCR_STR-ZUPRD_A sy-vline 
WA_FCMLREPCKMLCR_STR-ZUKDM_A sy-vline 
WA_FCMLREPCKMLCR_STR-EKPRD_A sy-vline 
WA_FCMLREPCKMLCR_STR-EKKDM_A sy-vline 
WA_FCMLREPCKMLCR_STR-PBPRD_A sy-vline 
WA_FCMLREPCKMLCR_STR-PBKDM_A sy-vline 
WA_FCMLREPCKMLCR_STR-ABPRD_MO sy-vline 
WA_FCMLREPCKMLCR_STR-ABKDM_MO sy-vline 
WA_FCMLREPCKMLCR_STR-ZUPRD_MO sy-vline 
WA_FCMLREPCKMLCR_STR-ZUKDM_MO sy-vline 
WA_FCMLREPCKMLCR_STR-VNPRD_MA sy-vline 
WA_FCMLREPCKMLCR_STR-VNKDM_MA sy-vline 
WA_FCMLREPCKMLCR_STR-EBPRD_MA sy-vline 
WA_FCMLREPCKMLCR_STR-EBKDM_MA sy-vline 
WA_FCMLREPCKMLCR_STR-ABSALK3 sy-vline 
WA_FCMLREPCKMLCR_STR-ZUKDM_OST sy-vline 
WA_FCMLREPCKMLCR_STR-EKKDM_OST sy-vline 
WA_FCMLREPCKMLCR_STR-PBKDM_OST sy-vline 
WA_FCMLREPCKMLCR_STR-VPKDM_OST sy-vline 
WA_FCMLREPCKMLCR_STR-VPPBKDM_OST sy-vline 
WA_FCMLREPCKMLCR_STR-VNKDM_OST sy-vline 
WA_FCMLREPCKMLCR_STR-MARKUP_O sy-vline 
WA_FCMLREPCKMLCR_STR-VKSAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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