ABAP Select data from SAP table FCMLREPIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCMLREPIT
*  INTO TABLE @DATA(IT_FCMLREPIT2).
*--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_FCMLREPIT INDEX 1 INTO DATA(WA_FCMLREPIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCMLREPIT>-MANDT = 1.
<FCMLREPIT>-BELNR = 1.
<FCMLREPIT>-KJAHR = 1.
<FCMLREPIT>-POSNR = 1.
<FCMLREPIT>-TABNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCMLREPIT-MODTYP, sy-vline,
  WA_FCMLREPIT-UNDONE, sy-vline,
  WA_FCMLREPIT-KALNR, sy-vline,
  WA_FCMLREPIT-BDATJ, sy-vline,
  WA_FCMLREPIT-POPER, sy-vline,
  WA_FCMLREPIT-UNTPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCMLREPIT 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_FCMLREPIT 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_FCMLREPIT INTO WA_FCMLREPIT.


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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FCMLREPIT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCMLREPIT-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FCMLREPIT-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCMLREPIT-PSPNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCMLREPIT-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCMLREPIT-EBELN.
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_FCMLREPIT_STR, 
MANDT TYPE STRING,
BELNR TYPE STRING,
KJAHR TYPE STRING,
POSNR TYPE STRING,
TABNAME TYPE STRING,
MODTYP TYPE STRING,
UNDONE TYPE STRING,
KALNR TYPE STRING,
BDATJ TYPE STRING,
POPER TYPE STRING,
UNTPER TYPE STRING,
RLDNR TYPE STRING,
CURTP TYPE STRING,
MATNR TYPE STRING,
BWKEY TYPE STRING,
BWTAR TYPE STRING,
SOBKZ TYPE STRING,
VBELN TYPE STRING,
POSNR_D TYPE STRING,
PSPNR TYPE STRING,
LIFNR TYPE STRING,
MLVNR TYPE STRING,
VGABE TYPE STRING,
GJAHR TYPE STRING,
BELNR_D TYPE STRING,
BUZEI TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCMLREPIT_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_FCMLREPIT_STR-MANDT sy-vline 
WA_FCMLREPIT_STR-BELNR sy-vline 
WA_FCMLREPIT_STR-KJAHR sy-vline 
WA_FCMLREPIT_STR-POSNR sy-vline 
WA_FCMLREPIT_STR-TABNAME sy-vline 
WA_FCMLREPIT_STR-MODTYP sy-vline 
WA_FCMLREPIT_STR-UNDONE sy-vline 
WA_FCMLREPIT_STR-KALNR sy-vline 
WA_FCMLREPIT_STR-BDATJ sy-vline 
WA_FCMLREPIT_STR-POPER sy-vline 
WA_FCMLREPIT_STR-UNTPER sy-vline 
WA_FCMLREPIT_STR-RLDNR sy-vline 
WA_FCMLREPIT_STR-CURTP sy-vline 
WA_FCMLREPIT_STR-MATNR sy-vline 
WA_FCMLREPIT_STR-BWKEY sy-vline 
WA_FCMLREPIT_STR-BWTAR sy-vline 
WA_FCMLREPIT_STR-SOBKZ sy-vline 
WA_FCMLREPIT_STR-VBELN sy-vline 
WA_FCMLREPIT_STR-POSNR_D sy-vline 
WA_FCMLREPIT_STR-PSPNR sy-vline 
WA_FCMLREPIT_STR-LIFNR sy-vline 
WA_FCMLREPIT_STR-MLVNR sy-vline 
WA_FCMLREPIT_STR-VGABE sy-vline 
WA_FCMLREPIT_STR-GJAHR sy-vline 
WA_FCMLREPIT_STR-BELNR_D sy-vline 
WA_FCMLREPIT_STR-BUZEI sy-vline 
WA_FCMLREPIT_STR-EBELN sy-vline 
WA_FCMLREPIT_STR-EBELP sy-vline      INTO ld_text SEPARATED BY SPACE.

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