ABAP Select data from SAP table EHFNDW_CP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDW_CP
*  INTO TABLE @DATA(IT_EHFNDW_CP2).
*--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_EHFNDW_CP INDEX 1 INTO DATA(WA_EHFNDW_CP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDW_CP>-MANDT = 1.
<EHFNDW_CP>-CMPLNCPRPSUUID = 1.
<EHFNDW_CP>-CMPLNCPRPS = 1.
<EHFNDW_CP>-CREATIONDATETIME = 1.
<EHFNDW_CP>-CREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDW_CP-LASTCHANGEDATETIME, sy-vline,
  WA_EHFNDW_CP-LASTCHANGEDBYUSER, sy-vline,
  WA_EHFNDW_CP-CONTENTPROVIDER, sy-vline,
  WA_EHFNDW_CP-CMPLNCPRPSBUILDDATE, sy-vline,
  WA_EHFNDW_CP-CMPLNCPRPSACTIVATIONSTATUS, sy-vline,
  WA_EHFNDW_CP-CMPLNCPRPSACTVTNSTSCRITICALITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDW_CP 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_EHFNDW_CP 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_EHFNDW_CP INTO WA_EHFNDW_CP.


*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 EHCPR, internal->external for field CONTENTPROVIDER
CALL FUNCTION 'CONVERSION_EXIT_EHCPR_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDW_CP-CONTENTPROVIDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDW_CP-CONTENTPROVIDER.
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_EHFNDW_CP_STR, 
MANDT TYPE STRING,
CMPLNCPRPSUUID TYPE STRING,
CMPLNCPRPS TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CONTENTPROVIDER TYPE STRING,
CMPLNCPRPSBUILDDATE TYPE STRING,
CMPLNCPRPSACTIVATIONSTATUS TYPE STRING,
CMPLNCPRPSACTVTNSTSCRITICALITY TYPE STRING,
CMPLNCPRPSNAME TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDW_CP_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_EHFNDW_CP_STR-MANDT sy-vline 
WA_EHFNDW_CP_STR-CMPLNCPRPSUUID sy-vline 
WA_EHFNDW_CP_STR-CMPLNCPRPS sy-vline 
WA_EHFNDW_CP_STR-CREATIONDATETIME sy-vline 
WA_EHFNDW_CP_STR-CREATEDBYUSER sy-vline 
WA_EHFNDW_CP_STR-LASTCHANGEDATETIME sy-vline 
WA_EHFNDW_CP_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDW_CP_STR-CONTENTPROVIDER sy-vline 
WA_EHFNDW_CP_STR-CMPLNCPRPSBUILDDATE sy-vline 
WA_EHFNDW_CP_STR-CMPLNCPRPSACTIVATIONSTATUS sy-vline 
WA_EHFNDW_CP_STR-CMPLNCPRPSACTVTNSTSCRITICALITY sy-vline 
WA_EHFNDW_CP_STR-CMPLNCPRPSNAME sy-vline 
WA_EHFNDW_CP_STR-ACTIVEUUID sy-vline 
WA_EHFNDW_CP_STR-HASACTIVEENTITY sy-vline 
WA_EHFNDW_CP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_EHFNDW_CP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_EHFNDW_CP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_EHFNDW_CP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_EHFNDW_CP_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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