ABAP Select data from SAP table CMMF_OUTPUT_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMMF_OUTPUT_DATA
*  INTO TABLE @DATA(IT_CMMF_OUTPUT_DATA2).
*--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_CMMF_OUTPUT_DATA INDEX 1 INTO DATA(WA_CMMF_OUTPUT_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMMF_OUTPUT_DATA>-MANDT = 1.
<CMMF_OUTPUT_DATA>-VERSION_GUID = 1.
<CMMF_OUTPUT_DATA>-EVAL_DATE = 1.
<CMMF_OUTPUT_DATA>-EOD_RUN = 1.
<CMMF_OUTPUT_DATA>-VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMMF_OUTPUT_DATA-CREATED_ON_TIMESTAMP, sy-vline,
  WA_CMMF_OUTPUT_DATA-EVAL_TYPE, sy-vline,
  WA_CMMF_OUTPUT_DATA-EVAL_RUN_ID, sy-vline,
  WA_CMMF_OUTPUT_DATA-VERSION_MAX, sy-vline,
  WA_CMMF_OUTPUT_DATA-HAS_ERROR, sy-vline,
  WA_CMMF_OUTPUT_DATA-LOG_EXTNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMMF_OUTPUT_DATA 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_CMMF_OUTPUT_DATA 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_CMMF_OUTPUT_DATA INTO WA_CMMF_OUTPUT_DATA.


*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 EXPOSURE_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMMF_OUTPUT_DATA-EXPOSURE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMMF_OUTPUT_DATA-EXPOSURE_ID.
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_CMMF_OUTPUT_DATA_STR, 
MANDT TYPE STRING,
VERSION_GUID TYPE STRING,
EVAL_DATE TYPE STRING,
EOD_RUN TYPE STRING,
VERSION TYPE STRING,
CREATED_ON_TIMESTAMP TYPE STRING,
EVAL_TYPE TYPE STRING,
EVAL_RUN_ID TYPE STRING,
VERSION_MAX TYPE STRING,
HAS_ERROR TYPE STRING,
LOG_EXTNUMBER TYPE STRING,
MSGNO TYPE STRING,
DET_LOG_ID TYPE STRING,
CALC_BASIS_ID TYPE STRING,
EXTERNAL_VALUE TYPE STRING,
EXTERNAL_RUN_ID TYPE STRING,
OPTION_DELTA_FACTOR TYPE STRING,
MTM_QUOT_CURR TYPE STRING,
CV_QUOT_CURR TYPE STRING,
MV_QUOT_CURR TYPE STRING,
QUOT_CURR TYPE STRING,
MTM_PAYM_CURR TYPE STRING,
CV_PAYM_CURR TYPE STRING,
MV_PAYM_CURR TYPE STRING,
PAYM_CURR TYPE STRING,
MTM_STAT_CURR TYPE STRING,
CV_STAT_CURR TYPE STRING,
MV_STAT_CURR TYPE STRING,
STAT_CURR TYPE STRING,
EXPOSURE_CAT TYPE STRING,
EXPOSURE_ID TYPE STRING,
COMPANY_CODE TYPE STRING,
OBJNR TYPE STRING,
VALID_FROM_TST TYPE STRING,
VALID_FROM_DATE TYPE STRING,
VALID_FROM_TIME TYPE STRING,
VALID_TO_TST TYPE STRING,
VALID_TO_DATE TYPE STRING,
VALID_TO_TIME TYPE STRING,
PRODUCT_CAT TYPE STRING,
PRODUCT_TYPE TYPE STRING,
F_TRANS_CAT TYPE STRING,
TRANS_TYPE TYPE STRING,
TRANS_ACT_TYPE TYPE STRING,
START_TERM TYPE STRING,
END_TERM TYPE STRING,
EVENT_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMMF_OUTPUT_DATA_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_CMMF_OUTPUT_DATA_STR-MANDT sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VERSION_GUID sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EVAL_DATE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EOD_RUN sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VERSION sy-vline 
WA_CMMF_OUTPUT_DATA_STR-CREATED_ON_TIMESTAMP sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EVAL_TYPE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EVAL_RUN_ID sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VERSION_MAX sy-vline 
WA_CMMF_OUTPUT_DATA_STR-HAS_ERROR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-LOG_EXTNUMBER sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MSGNO sy-vline 
WA_CMMF_OUTPUT_DATA_STR-DET_LOG_ID sy-vline 
WA_CMMF_OUTPUT_DATA_STR-CALC_BASIS_ID sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EXTERNAL_VALUE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EXTERNAL_RUN_ID sy-vline 
WA_CMMF_OUTPUT_DATA_STR-OPTION_DELTA_FACTOR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MTM_QUOT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-CV_QUOT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MV_QUOT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-QUOT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MTM_PAYM_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-CV_PAYM_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MV_PAYM_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-PAYM_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MTM_STAT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-CV_STAT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-MV_STAT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-STAT_CURR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EXPOSURE_CAT sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EXPOSURE_ID sy-vline 
WA_CMMF_OUTPUT_DATA_STR-COMPANY_CODE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-OBJNR sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VALID_FROM_TST sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VALID_FROM_DATE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VALID_FROM_TIME sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VALID_TO_TST sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VALID_TO_DATE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-VALID_TO_TIME sy-vline 
WA_CMMF_OUTPUT_DATA_STR-PRODUCT_CAT sy-vline 
WA_CMMF_OUTPUT_DATA_STR-PRODUCT_TYPE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-F_TRANS_CAT sy-vline 
WA_CMMF_OUTPUT_DATA_STR-TRANS_TYPE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-TRANS_ACT_TYPE sy-vline 
WA_CMMF_OUTPUT_DATA_STR-START_TERM sy-vline 
WA_CMMF_OUTPUT_DATA_STR-END_TERM sy-vline 
WA_CMMF_OUTPUT_DATA_STR-EVENT_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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