ABAP Select data from SAP table V_CM03_OPT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_CM03_OPT 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 V_CM03_OPT. 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 V_CM03_OPT 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_V_CM03_OPT TYPE STANDARD TABLE OF V_CM03_OPT,
      WA_V_CM03_OPT TYPE V_CM03_OPT,
      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: <V_CM03_OPT> TYPE V_CM03_OPT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_CM03_OPT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_CM03_OPT
  INTO TABLE IT_V_CM03_OPT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_CM03_OPT
*  INTO TABLE @DATA(IT_V_CM03_OPT2).
*--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_V_CM03_OPT INDEX 1 INTO DATA(WA_V_CM03_OPT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_CM03_OPT ASSIGNING <V_CM03_OPT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_CM03_OPT>-MANDT = 1.
<V_CM03_OPT>-VBELN = 1.
<V_CM03_OPT>-GBSTK = 1.
<V_CM03_OPT>-CMGST = 1.
<V_CM03_OPT>-KKBER = 1.

ENDLOOP.

LOOP AT IT_V_CM03_OPT INTO WA_V_CM03_OPT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_CM03_OPT-KNKLI, sy-vline,
  WA_V_CM03_OPT-GRUPP, sy-vline,
  WA_V_CM03_OPT-SBGRP, sy-vline,
  WA_V_CM03_OPT-CTLPC, sy-vline,
  WA_V_CM03_OPT-CMNGV, sy-vline,
  WA_V_CM03_OPT-VKORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_CM03_OPT 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_V_CM03_OPT 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_V_CM03_OPT INTO WA_V_CM03_OPT.


*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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KNKLI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-KNKLI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-KNKLI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-PARVW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-ADRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_CM03_OPT-ADRNP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_CM03_OPT-ADRNP.
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_V_CM03_OPT_STR, 
MANDT TYPE STRING,
VBELN TYPE STRING,
GBSTK TYPE STRING,
CMGST TYPE STRING,
KKBER TYPE STRING,
KNKLI TYPE STRING,
GRUPP TYPE STRING,
SBGRP TYPE STRING,
CTLPC TYPE STRING,
CMNGV TYPE STRING,
VKORG TYPE STRING,
VKBUR TYPE STRING,
ERNAM TYPE STRING,
VBTYP TYPE STRING,
ERDAT TYPE STRING,
POSNR TYPE STRING,
PARVW TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
PERNR TYPE STRING,
PARNR TYPE STRING,
ADRNR TYPE STRING,
ABLAD TYPE STRING,
LAND1 TYPE STRING,
ADRDA TYPE STRING,
XCPDK TYPE STRING,
HITYP TYPE STRING,
PRFRE TYPE STRING,
BOKRE TYPE STRING,
HISTUNR TYPE STRING,
KNREF TYPE STRING,
LZONE TYPE STRING,
HZUOR TYPE STRING,
STCEG TYPE STRING,
PARVW_FF TYPE STRING,
ADRNP TYPE STRING,
KALE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_CM03_OPT_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_V_CM03_OPT_STR-MANDT sy-vline 
WA_V_CM03_OPT_STR-VBELN sy-vline 
WA_V_CM03_OPT_STR-GBSTK sy-vline 
WA_V_CM03_OPT_STR-CMGST sy-vline 
WA_V_CM03_OPT_STR-KKBER sy-vline 
WA_V_CM03_OPT_STR-KNKLI sy-vline 
WA_V_CM03_OPT_STR-GRUPP sy-vline 
WA_V_CM03_OPT_STR-SBGRP sy-vline 
WA_V_CM03_OPT_STR-CTLPC sy-vline 
WA_V_CM03_OPT_STR-CMNGV sy-vline 
WA_V_CM03_OPT_STR-VKORG sy-vline 
WA_V_CM03_OPT_STR-VKBUR sy-vline 
WA_V_CM03_OPT_STR-ERNAM sy-vline 
WA_V_CM03_OPT_STR-VBTYP sy-vline 
WA_V_CM03_OPT_STR-ERDAT sy-vline 
WA_V_CM03_OPT_STR-POSNR sy-vline 
WA_V_CM03_OPT_STR-PARVW sy-vline 
WA_V_CM03_OPT_STR-KUNNR sy-vline 
WA_V_CM03_OPT_STR-LIFNR sy-vline 
WA_V_CM03_OPT_STR-PERNR sy-vline 
WA_V_CM03_OPT_STR-PARNR sy-vline 
WA_V_CM03_OPT_STR-ADRNR sy-vline 
WA_V_CM03_OPT_STR-ABLAD sy-vline 
WA_V_CM03_OPT_STR-LAND1 sy-vline 
WA_V_CM03_OPT_STR-ADRDA sy-vline 
WA_V_CM03_OPT_STR-XCPDK sy-vline 
WA_V_CM03_OPT_STR-HITYP sy-vline 
WA_V_CM03_OPT_STR-PRFRE sy-vline 
WA_V_CM03_OPT_STR-BOKRE sy-vline 
WA_V_CM03_OPT_STR-HISTUNR sy-vline 
WA_V_CM03_OPT_STR-KNREF sy-vline 
WA_V_CM03_OPT_STR-LZONE sy-vline 
WA_V_CM03_OPT_STR-HZUOR sy-vline 
WA_V_CM03_OPT_STR-STCEG sy-vline 
WA_V_CM03_OPT_STR-PARVW_FF sy-vline 
WA_V_CM03_OPT_STR-ADRNP sy-vline 
WA_V_CM03_OPT_STR-KALE sy-vline      INTO ld_text SEPARATED BY SPACE.

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