ABAP Select data from SAP table CMM_MTM_EXTR_PO into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMM_MTM_EXTR_PO
*  INTO TABLE @DATA(IT_CMM_MTM_EXTR_PO2).
*--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_CMM_MTM_EXTR_PO INDEX 1 INTO DATA(WA_CMM_MTM_EXTR_PO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMM_MTM_EXTR_PO>-ROCANCEL = 1.
<CMM_MTM_EXTR_PO>-KAPPL = 1.
<CMM_MTM_EXTR_PO>-EBELN = 1.
<CMM_MTM_EXTR_PO>-EBELP = 1.
<CMM_MTM_EXTR_PO>-WAERK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMM_MTM_EXTR_PO-BUKRS, sy-vline,
  WA_CMM_MTM_EXTR_PO-KUNNR, sy-vline,
  WA_CMM_MTM_EXTR_PO-LIFNR, sy-vline,
  WA_CMM_MTM_EXTR_PO-VKORG, sy-vline,
  WA_CMM_MTM_EXTR_PO-VTWEG, sy-vline,
  WA_CMM_MTM_EXTR_PO-EKORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMM_MTM_EXTR_PO 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_CMM_MTM_EXTR_PO 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_CMM_MTM_EXTR_PO INTO WA_CMM_MTM_EXTR_PO.


*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_CMM_MTM_EXTR_PO-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMM_MTM_EXTR_PO-EBELN.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field COMMODITY_RF_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMM_MTM_EXTR_PO-COMMODITY_RF_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMM_MTM_EXTR_PO-COMMODITY_RF_UOM.
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_CMM_MTM_EXTR_PO_STR, 
ROCANCEL TYPE STRING,
KAPPL TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
WAERK TYPE STRING,
BUKRS TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
EKORG TYPE STRING,
ERDAT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
SPART TYPE STRING,
KSCHL TYPE STRING,
KWERT TYPE STRING,
KWERT_DISC TYPE STRING,
KWERT_DOC TYPE STRING,
DATE_DISCOUNTING TYPE STRING,
DATE_PYMNT TYPE STRING,
CGROUP TYPE STRING,
COMMODITY TYPE STRING,
STWAE TYPE STRING,
MBLNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
MGAME TYPE STRING,
VRKME TYPE STRING,
MGLME TYPE STRING,
LAGME TYPE STRING,
MGAME_ADJ TYPE STRING,
MGLME_ADJ TYPE STRING,
COMMODITY_QUAN TYPE STRING,
COMMODITY_ADJ TYPE STRING,
COMMODITY_UOM TYPE STRING,
COMMODITY_RF_UOM TYPE STRING,
S_GENEXT_MASK TYPE STRING,
EBELP TYPE STRING,
KSCHL TYPE STRING,
COMMODITY TYPE STRING,
MBLNR TYPE STRING,
BUZEI TYPE STRING,
VGABE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMM_MTM_EXTR_PO_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_CMM_MTM_EXTR_PO_STR-ROCANCEL sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KAPPL sy-vline 
WA_CMM_MTM_EXTR_PO_STR-EBELN sy-vline 
WA_CMM_MTM_EXTR_PO_STR-EBELP sy-vline 
WA_CMM_MTM_EXTR_PO_STR-WAERK sy-vline 
WA_CMM_MTM_EXTR_PO_STR-BUKRS sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KUNNR sy-vline 
WA_CMM_MTM_EXTR_PO_STR-LIFNR sy-vline 
WA_CMM_MTM_EXTR_PO_STR-VKORG sy-vline 
WA_CMM_MTM_EXTR_PO_STR-VTWEG sy-vline 
WA_CMM_MTM_EXTR_PO_STR-EKORG sy-vline 
WA_CMM_MTM_EXTR_PO_STR-ERDAT sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MATNR sy-vline 
WA_CMM_MTM_EXTR_PO_STR-WERKS sy-vline 
WA_CMM_MTM_EXTR_PO_STR-SPART sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KSCHL sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KWERT sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KWERT_DISC sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KWERT_DOC sy-vline 
WA_CMM_MTM_EXTR_PO_STR-DATE_DISCOUNTING sy-vline 
WA_CMM_MTM_EXTR_PO_STR-DATE_PYMNT sy-vline 
WA_CMM_MTM_EXTR_PO_STR-CGROUP sy-vline 
WA_CMM_MTM_EXTR_PO_STR-COMMODITY sy-vline 
WA_CMM_MTM_EXTR_PO_STR-STWAE sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MBLNR sy-vline 
WA_CMM_MTM_EXTR_PO_STR-GJAHR sy-vline 
WA_CMM_MTM_EXTR_PO_STR-BUZEI sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MGAME sy-vline 
WA_CMM_MTM_EXTR_PO_STR-VRKME sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MGLME sy-vline 
WA_CMM_MTM_EXTR_PO_STR-LAGME sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MGAME_ADJ sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MGLME_ADJ sy-vline 
WA_CMM_MTM_EXTR_PO_STR-COMMODITY_QUAN sy-vline 
WA_CMM_MTM_EXTR_PO_STR-COMMODITY_ADJ sy-vline 
WA_CMM_MTM_EXTR_PO_STR-COMMODITY_UOM sy-vline 
WA_CMM_MTM_EXTR_PO_STR-COMMODITY_RF_UOM sy-vline 
WA_CMM_MTM_EXTR_PO_STR-S_GENEXT_MASK sy-vline 
WA_CMM_MTM_EXTR_PO_STR-EBELP sy-vline 
WA_CMM_MTM_EXTR_PO_STR-KSCHL sy-vline 
WA_CMM_MTM_EXTR_PO_STR-COMMODITY sy-vline 
WA_CMM_MTM_EXTR_PO_STR-MBLNR sy-vline 
WA_CMM_MTM_EXTR_PO_STR-BUZEI sy-vline 
WA_CMM_MTM_EXTR_PO_STR-VGABE sy-vline      INTO ld_text SEPARATED BY SPACE.

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