ABAP Select data from SAP table CFMPONTWKACTYTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFMPONTWKACTYTP
*  INTO TABLE @DATA(IT_CFMPONTWKACTYTP2).
*--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_CFMPONTWKACTYTP INDEX 1 INTO DATA(WA_CFMPONTWKACTYTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFMPONTWKACTYTP>-MANDT = 1.
<CFMPONTWKACTYTP>-FLXMTPLOBJVARPROJNTWKUUID = 1.
<CFMPONTWKACTYTP>-FLXBLMATLPLNGOBJVARIANTUUID = 1.
<CFMPONTWKACTYTP>-FLXBLMATLPLNGOBJECTUUID = 1.
<CFMPONTWKACTYTP>-RELATEDPROJECTNETWORK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFMPONTWKACTYTP-RELATEDNETWORKACTIVITY, sy-vline,
  WA_CFMPONTWKACTYTP-NETWORKACTIVITYDESCRIPTION, sy-vline,
  WA_CFMPONTWKACTYTP-PROJECT, sy-vline,
  WA_CFMPONTWKACTYTP-PROJECTDESCRIPTION, sy-vline,
  WA_CFMPONTWKACTYTP-FLXMTPLOBJVARNTWKACTYCREATEDBY, sy-vline,
  WA_CFMPONTWKACTYTP-FLXMTPLOBJVARNTWKCRTEDONDTETME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFMPONTWKACTYTP 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_CFMPONTWKACTYTP 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_CFMPONTWKACTYTP INTO WA_CFMPONTWKACTYTP.


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

*Conversion exit NUMCV, internal->external for field RELATEDNETWORKACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CFMPONTWKACTYTP-RELATEDNETWORKACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFMPONTWKACTYTP-RELATEDNETWORKACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CFMPONTWKACTYTP-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFMPONTWKACTYTP-PROJECT.
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_CFMPONTWKACTYTP_STR, 
MANDT TYPE STRING,
FLXMTPLOBJVARPROJNTWKUUID TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
FLXBLMATLPLNGOBJECTUUID TYPE STRING,
RELATEDPROJECTNETWORK TYPE STRING,
RELATEDNETWORKACTIVITY TYPE STRING,
NETWORKACTIVITYDESCRIPTION TYPE STRING,
PROJECT TYPE STRING,
PROJECTDESCRIPTION TYPE STRING,
FLXMTPLOBJVARNTWKACTYCREATEDBY TYPE STRING,
FLXMTPLOBJVARNTWKCRTEDONDTETME TYPE STRING,
FLXMTPLOBJVARNTWKACTYCHANGEDBY TYPE STRING,
FLXMTPLOBJVARNTWKACTYCHGDTETME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFMPONTWKACTYTP_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_CFMPONTWKACTYTP_STR-MANDT sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXMTPLOBJVARPROJNTWKUUID sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXBLMATLPLNGOBJECTUUID sy-vline 
WA_CFMPONTWKACTYTP_STR-RELATEDPROJECTNETWORK sy-vline 
WA_CFMPONTWKACTYTP_STR-RELATEDNETWORKACTIVITY sy-vline 
WA_CFMPONTWKACTYTP_STR-NETWORKACTIVITYDESCRIPTION sy-vline 
WA_CFMPONTWKACTYTP_STR-PROJECT sy-vline 
WA_CFMPONTWKACTYTP_STR-PROJECTDESCRIPTION sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXMTPLOBJVARNTWKACTYCREATEDBY sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXMTPLOBJVARNTWKCRTEDONDTETME sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXMTPLOBJVARNTWKACTYCHANGEDBY sy-vline 
WA_CFMPONTWKACTYTP_STR-FLXMTPLOBJVARNTWKACTYCHGDTETME sy-vline      INTO ld_text SEPARATED BY SPACE.

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