ABAP Select data from SAP table MC02M_0ITM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MC02M_0ITM 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 MC02M_0ITM. 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 MC02M_0ITM 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_MC02M_0ITM TYPE STANDARD TABLE OF MC02M_0ITM,
      WA_MC02M_0ITM TYPE MC02M_0ITM,
      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: <MC02M_0ITM> TYPE MC02M_0ITM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MC02M_0ITM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MC02M_0ITM
  INTO TABLE IT_MC02M_0ITM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MC02M_0ITM
*  INTO TABLE @DATA(IT_MC02M_0ITM2).
*--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_MC02M_0ITM INDEX 1 INTO DATA(WA_MC02M_0ITM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MC02M_0ITM ASSIGNING <MC02M_0ITM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MC02M_0ITM>-ROCANCEL = 1.
<MC02M_0ITM>-BEDAT = 1.
<MC02M_0ITM>-BSART = 1.
<MC02M_0ITM>-BSTYP = 1.
<MC02M_0ITM>-BUDAT = 1.

ENDLOOP.

LOOP AT IT_MC02M_0ITM INTO WA_MC02M_0ITM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MC02M_0ITM-EBELN, sy-vline,
  WA_MC02M_0ITM-EKGRP, sy-vline,
  WA_MC02M_0ITM-EKORG, sy-vline,
  WA_MC02M_0ITM-HWAER, sy-vline,
  WA_MC02M_0ITM-KDATB, sy-vline,
  WA_MC02M_0ITM-KDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MC02M_0ITM 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_MC02M_0ITM 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_MC02M_0ITM INTO WA_MC02M_0ITM.


*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 EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LBLIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-LBLIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-LBLIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFRE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-LIFRE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-LIFRE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LLIEF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-LLIEF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-LLIEF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-LOGSY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-LOGSY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORGLOGSY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-ORGLOGSY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-ORGLOGSY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field WKURS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-WKURS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-WKURS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-AKTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-AKTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field EMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-EMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-EMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KONNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-KONNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-KONNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-LMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-LMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PWLIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-PWLIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-PWLIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-PREST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-PREST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLIWK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-PLIWK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-PLIWK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLIEF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-PLIEF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-PLIEF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PBEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MC02M_0ITM-PBEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MC02M_0ITM-PBEST.
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_MC02M_0ITM_STR, 
ROCANCEL TYPE STRING,
BEDAT TYPE STRING,
BSART TYPE STRING,
BSTYP TYPE STRING,
BUDAT TYPE STRING,
EBELN TYPE STRING,
EKGRP TYPE STRING,
EKORG TYPE STRING,
HWAER TYPE STRING,
KDATB TYPE STRING,
KDATE TYPE STRING,
LBLIF TYPE STRING,
LIFNR TYPE STRING,
LIFRE TYPE STRING,
LLIEF TYPE STRING,
LOGSY TYPE STRING,
ORGLOGSY TYPE STRING,
RESWK TYPE STRING,
STATU TYPE STRING,
SYDAT TYPE STRING,
WAERS TYPE STRING,
WKURS TYPE STRING,
AFNAM TYPE STRING,
AKTNR TYPE STRING,
AKTWE TYPE STRING,
ALAV TYPE STRING,
ALIEF TYPE STRING,
BSGRU TYPE STRING,
BWAPPLNM TYPE STRING,
BWVORG TYPE STRING,
EBELP TYPE STRING,
ELIKZ TYPE STRING,
EMATN TYPE STRING,
EREKZ TYPE STRING,
KONNR TYPE STRING,
KTMNG TYPE STRING,
KTPNR TYPE STRING,
KZMAB TYPE STRING,
KZPOS TYPE STRING,
KZTAB TYPE STRING,
LAVI TYPE STRING,
LFZTA TYPE STRING,
LGORT TYPE STRING,
LMEIN TYPE STRING,
MABW TYPE STRING,
MATKL TYPE STRING,
MATNR TYPE STRING,
MEINS TYPE STRING,
MENGE TYPE STRING,
NETPR TYPE STRING,
NETWR TYPE STRING,
PEINH TYPE STRING,
PSTYP TYPE STRING,
PWEV TYPE STRING,
PWFR TYPE STRING,
PWMT TYPE STRING,
PWTT TYPE STRING,
PWWE TYPE STRING,
REPOS TYPE STRING,
TABW TYPE STRING,
TXZ01 TYPE STRING,
UMREN TYPE STRING,
UMREZ TYPE STRING,
WEBRE TYPE STRING,
WEPOS TYPE STRING,
WERKS TYPE STRING,
XERSY TYPE STRING,
ZWERT TYPE STRING,
PERIV TYPE STRING,
QUAN_INT TYPE STRING,
TIME_INT TYPE STRING,
NOTIME TYPE STRING,
NOQUAN TYPE STRING,
NOPOS TYPE STRING,
PWLIF TYPE STRING,
PREST TYPE STRING,
PLIWK TYPE STRING,
PLIEF TYPE STRING,
PBEST TYPE STRING,
MGABW TYPE STRING,
LFABW TYPE STRING,
MAXBW TYPE STRING,
VVABW TYPE STRING,
UZEIT TYPE STRING,
MCEX_UEBTO TYPE STRING,
MCEX_UEBTK TYPE STRING,
MCEX_UNTTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MC02M_0ITM_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_MC02M_0ITM_STR-ROCANCEL sy-vline 
WA_MC02M_0ITM_STR-BEDAT sy-vline 
WA_MC02M_0ITM_STR-BSART sy-vline 
WA_MC02M_0ITM_STR-BSTYP sy-vline 
WA_MC02M_0ITM_STR-BUDAT sy-vline 
WA_MC02M_0ITM_STR-EBELN sy-vline 
WA_MC02M_0ITM_STR-EKGRP sy-vline 
WA_MC02M_0ITM_STR-EKORG sy-vline 
WA_MC02M_0ITM_STR-HWAER sy-vline 
WA_MC02M_0ITM_STR-KDATB sy-vline 
WA_MC02M_0ITM_STR-KDATE sy-vline 
WA_MC02M_0ITM_STR-LBLIF sy-vline 
WA_MC02M_0ITM_STR-LIFNR sy-vline 
WA_MC02M_0ITM_STR-LIFRE sy-vline 
WA_MC02M_0ITM_STR-LLIEF sy-vline 
WA_MC02M_0ITM_STR-LOGSY sy-vline 
WA_MC02M_0ITM_STR-ORGLOGSY sy-vline 
WA_MC02M_0ITM_STR-RESWK sy-vline 
WA_MC02M_0ITM_STR-STATU sy-vline 
WA_MC02M_0ITM_STR-SYDAT sy-vline 
WA_MC02M_0ITM_STR-WAERS sy-vline 
WA_MC02M_0ITM_STR-WKURS sy-vline 
WA_MC02M_0ITM_STR-AFNAM sy-vline 
WA_MC02M_0ITM_STR-AKTNR sy-vline 
WA_MC02M_0ITM_STR-AKTWE sy-vline 
WA_MC02M_0ITM_STR-ALAV sy-vline 
WA_MC02M_0ITM_STR-ALIEF sy-vline 
WA_MC02M_0ITM_STR-BSGRU sy-vline 
WA_MC02M_0ITM_STR-BWAPPLNM sy-vline 
WA_MC02M_0ITM_STR-BWVORG sy-vline 
WA_MC02M_0ITM_STR-EBELP sy-vline 
WA_MC02M_0ITM_STR-ELIKZ sy-vline 
WA_MC02M_0ITM_STR-EMATN sy-vline 
WA_MC02M_0ITM_STR-EREKZ sy-vline 
WA_MC02M_0ITM_STR-KONNR sy-vline 
WA_MC02M_0ITM_STR-KTMNG sy-vline 
WA_MC02M_0ITM_STR-KTPNR sy-vline 
WA_MC02M_0ITM_STR-KZMAB sy-vline 
WA_MC02M_0ITM_STR-KZPOS sy-vline 
WA_MC02M_0ITM_STR-KZTAB sy-vline 
WA_MC02M_0ITM_STR-LAVI sy-vline 
WA_MC02M_0ITM_STR-LFZTA sy-vline 
WA_MC02M_0ITM_STR-LGORT sy-vline 
WA_MC02M_0ITM_STR-LMEIN sy-vline 
WA_MC02M_0ITM_STR-MABW sy-vline 
WA_MC02M_0ITM_STR-MATKL sy-vline 
WA_MC02M_0ITM_STR-MATNR sy-vline 
WA_MC02M_0ITM_STR-MEINS sy-vline 
WA_MC02M_0ITM_STR-MENGE sy-vline 
WA_MC02M_0ITM_STR-NETPR sy-vline 
WA_MC02M_0ITM_STR-NETWR sy-vline 
WA_MC02M_0ITM_STR-PEINH sy-vline 
WA_MC02M_0ITM_STR-PSTYP sy-vline 
WA_MC02M_0ITM_STR-PWEV sy-vline 
WA_MC02M_0ITM_STR-PWFR sy-vline 
WA_MC02M_0ITM_STR-PWMT sy-vline 
WA_MC02M_0ITM_STR-PWTT sy-vline 
WA_MC02M_0ITM_STR-PWWE sy-vline 
WA_MC02M_0ITM_STR-REPOS sy-vline 
WA_MC02M_0ITM_STR-TABW sy-vline 
WA_MC02M_0ITM_STR-TXZ01 sy-vline 
WA_MC02M_0ITM_STR-UMREN sy-vline 
WA_MC02M_0ITM_STR-UMREZ sy-vline 
WA_MC02M_0ITM_STR-WEBRE sy-vline 
WA_MC02M_0ITM_STR-WEPOS sy-vline 
WA_MC02M_0ITM_STR-WERKS sy-vline 
WA_MC02M_0ITM_STR-XERSY sy-vline 
WA_MC02M_0ITM_STR-ZWERT sy-vline 
WA_MC02M_0ITM_STR-PERIV sy-vline 
WA_MC02M_0ITM_STR-QUAN_INT sy-vline 
WA_MC02M_0ITM_STR-TIME_INT sy-vline 
WA_MC02M_0ITM_STR-NOTIME sy-vline 
WA_MC02M_0ITM_STR-NOQUAN sy-vline 
WA_MC02M_0ITM_STR-NOPOS sy-vline 
WA_MC02M_0ITM_STR-PWLIF sy-vline 
WA_MC02M_0ITM_STR-PREST sy-vline 
WA_MC02M_0ITM_STR-PLIWK sy-vline 
WA_MC02M_0ITM_STR-PLIEF sy-vline 
WA_MC02M_0ITM_STR-PBEST sy-vline 
WA_MC02M_0ITM_STR-MGABW sy-vline 
WA_MC02M_0ITM_STR-LFABW sy-vline 
WA_MC02M_0ITM_STR-MAXBW sy-vline 
WA_MC02M_0ITM_STR-VVABW sy-vline 
WA_MC02M_0ITM_STR-UZEIT sy-vline 
WA_MC02M_0ITM_STR-MCEX_UEBTO sy-vline 
WA_MC02M_0ITM_STR-MCEX_UEBTK sy-vline 
WA_MC02M_0ITM_STR-MCEX_UNTTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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