ABAP Select data from SAP table CMM_MTM_AGGREGATED into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CMM_MTM_AGGREGATED 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_AGGREGATED. 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_AGGREGATED 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_AGGREGATED TYPE STANDARD TABLE OF CMM_MTM_AGGREGATED,
      WA_CMM_MTM_AGGREGATED TYPE CMM_MTM_AGGREGATED,
      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_AGGREGATED> TYPE CMM_MTM_AGGREGATED.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMM_MTM_AGGREGATED
*  INTO TABLE @DATA(IT_CMM_MTM_AGGREGATED2).
*--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_AGGREGATED INDEX 1 INTO DATA(WA_CMM_MTM_AGGREGATED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMM_MTM_AGGREGATED>-BELNR = 1.
<CMM_MTM_AGGREGATED>-WAERK = 1.
<CMM_MTM_AGGREGATED>-BUKRS = 1.
<CMM_MTM_AGGREGATED>-KUNNR = 1.
<CMM_MTM_AGGREGATED>-LIFNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMM_MTM_AGGREGATED-VKORG, sy-vline,
  WA_CMM_MTM_AGGREGATED-VTWEG, sy-vline,
  WA_CMM_MTM_AGGREGATED-EKORG, sy-vline,
  WA_CMM_MTM_AGGREGATED-ERDAT, sy-vline,
  WA_CMM_MTM_AGGREGATED-KPOSN, sy-vline,
  WA_CMM_MTM_AGGREGATED-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMM_MTM_AGGREGATED 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_AGGREGATED 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_AGGREGATED INTO WA_CMM_MTM_AGGREGATED.


*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_CMM_MTM_AGGREGATED-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMM_MTM_AGGREGATED-BELNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field COMMODITY_RF_UOM_M
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CMM_MTM_AGGREGATED-COMMODITY_RF_UOM_M
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMM_MTM_AGGREGATED-COMMODITY_RF_UOM_M.
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_AGGREGATED_STR, 
BELNR 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,
KPOSN TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
SPART TYPE STRING,
KAPPL TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
VBELN_VF TYPE STRING,
POSNR_VF TYPE STRING,
VBELNN TYPE STRING,
POSNN TYPE STRING,
VBTYP_N TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
MBLNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
VGABE TYPE STRING,
TKONN TYPE STRING,
TPOSN TYPE STRING,
TKONN_ROOT TYPE STRING,
TPOSN_ROOT TYPE STRING,
TKONN_EX TYPE STRING,
TKONN_EX_ROOT TYPE STRING,
DOCUMENT_TYPE TYPE STRING,
PRICE_U TYPE STRING,
PRICE_D TYPE STRING,
MARKET_U TYPE STRING,
MARKET_D TYPE STRING,
MTM_U TYPE STRING,
MTM_D TYPE STRING,
PRICE_U_DOC TYPE STRING,
MARKET_U_DOC TYPE STRING,
MTM_U_DOC TYPE STRING,
DATE_PYMNT TYPE STRING,
COMMODITY TYPE STRING,
STWAE TYPE STRING,
MGAME TYPE STRING,
VRKME TYPE STRING,
MGLME TYPE STRING,
LAGME TYPE STRING,
MGAME_ADJ TYPE STRING,
MGLME_ADJ TYPE STRING,
COMMODITY_QUAN_P TYPE STRING,
COMMODITY_ADJ_P TYPE STRING,
COMMODITY_UOM_P TYPE STRING,
COMMODITY_RF_UOM_P TYPE STRING,
COMMODITY_QUAN_M TYPE STRING,
COMMODITY_ADJ_M TYPE STRING,
COMMODITY_UOM_M TYPE STRING,
COMMODITY_RF_UOM_M TYPE STRING,
FACT_ASSIGNED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMM_MTM_AGGREGATED_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_AGGREGATED_STR-BELNR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-WAERK sy-vline 
WA_CMM_MTM_AGGREGATED_STR-BUKRS sy-vline 
WA_CMM_MTM_AGGREGATED_STR-KUNNR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-LIFNR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VKORG sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VTWEG sy-vline 
WA_CMM_MTM_AGGREGATED_STR-EKORG sy-vline 
WA_CMM_MTM_AGGREGATED_STR-ERDAT sy-vline 
WA_CMM_MTM_AGGREGATED_STR-KPOSN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MATNR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-WERKS sy-vline 
WA_CMM_MTM_AGGREGATED_STR-SPART sy-vline 
WA_CMM_MTM_AGGREGATED_STR-KAPPL sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VBELN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-POSNR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VBELN_VF sy-vline 
WA_CMM_MTM_AGGREGATED_STR-POSNR_VF sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VBELNN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-POSNN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VBTYP_N sy-vline 
WA_CMM_MTM_AGGREGATED_STR-EBELN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-EBELP sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MBLNR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-GJAHR sy-vline 
WA_CMM_MTM_AGGREGATED_STR-BUZEI sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VGABE sy-vline 
WA_CMM_MTM_AGGREGATED_STR-TKONN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-TPOSN sy-vline 
WA_CMM_MTM_AGGREGATED_STR-TKONN_ROOT sy-vline 
WA_CMM_MTM_AGGREGATED_STR-TPOSN_ROOT sy-vline 
WA_CMM_MTM_AGGREGATED_STR-TKONN_EX sy-vline 
WA_CMM_MTM_AGGREGATED_STR-TKONN_EX_ROOT sy-vline 
WA_CMM_MTM_AGGREGATED_STR-DOCUMENT_TYPE sy-vline 
WA_CMM_MTM_AGGREGATED_STR-PRICE_U sy-vline 
WA_CMM_MTM_AGGREGATED_STR-PRICE_D sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MARKET_U sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MARKET_D sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MTM_U sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MTM_D sy-vline 
WA_CMM_MTM_AGGREGATED_STR-PRICE_U_DOC sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MARKET_U_DOC sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MTM_U_DOC sy-vline 
WA_CMM_MTM_AGGREGATED_STR-DATE_PYMNT sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY sy-vline 
WA_CMM_MTM_AGGREGATED_STR-STWAE sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MGAME sy-vline 
WA_CMM_MTM_AGGREGATED_STR-VRKME sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MGLME sy-vline 
WA_CMM_MTM_AGGREGATED_STR-LAGME sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MGAME_ADJ sy-vline 
WA_CMM_MTM_AGGREGATED_STR-MGLME_ADJ sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_QUAN_P sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_ADJ_P sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_UOM_P sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_RF_UOM_P sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_QUAN_M sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_ADJ_M sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_UOM_M sy-vline 
WA_CMM_MTM_AGGREGATED_STR-COMMODITY_RF_UOM_M sy-vline 
WA_CMM_MTM_AGGREGATED_STR-FACT_ASSIGNED sy-vline      INTO ld_text SEPARATED BY SPACE.

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