ABAP Select data from SAP table FINOC_MOCKRTPOI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINOC_MOCKRTPOI
*  INTO TABLE @DATA(IT_FINOC_MOCKRTPOI2).
*--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_FINOC_MOCKRTPOI INDEX 1 INTO DATA(WA_FINOC_MOCKRTPOI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINOC_MOCKRTPOI>-MANDT = 1.
<FINOC_MOCKRTPOI>-PURCHASINGDOCUMENT = 1.
<FINOC_MOCKRTPOI>-PURCHASINGDOCUMENTITEM = 1.
<FINOC_MOCKRTPOI>-ACCOUNTASSIGNMENTNUMBER = 1.
<FINOC_MOCKRTPOI>-ORGANIZATIONALCHANGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINOC_MOCKRTPOI-CONTROLLINGAREA, sy-vline,
  WA_FINOC_MOCKRTPOI-COMPANYCODE, sy-vline,
  WA_FINOC_MOCKRTPOI-PROFITCENTERBEFOREORGLCHANGE, sy-vline,
  WA_FINOC_MOCKRTPOI-PROFITCENTERBYORGLCHANGE, sy-vline,
  WA_FINOC_MOCKRTPOI-PROFITCENTERDERIVATIONSRCETYPE, sy-vline,
  WA_FINOC_MOCKRTPOI-SOURCEWBSELEMENTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINOC_MOCKRTPOI 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_FINOC_MOCKRTPOI 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_FINOC_MOCKRTPOI INTO WA_FINOC_MOCKRTPOI.


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

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

*Conversion exit ALPHA, internal->external for field PROFITCENTERBYORGLCHANGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FINOC_MOCKRTPOI-PROFITCENTERBYORGLCHANGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINOC_MOCKRTPOI-PROFITCENTERBYORGLCHANGE.
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_FINOC_MOCKRTPOI_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
ORGANIZATIONALCHANGE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COMPANYCODE TYPE STRING,
PROFITCENTERBEFOREORGLCHANGE TYPE STRING,
PROFITCENTERBYORGLCHANGE TYPE STRING,
PROFITCENTERDERIVATIONSRCETYPE TYPE STRING,
SOURCEWBSELEMENTINTERNALID TYPE STRING,
SOURCEPROJECTINTERNALID TYPE STRING,
SOURCEPRODUCT TYPE STRING,
SOURCEPLANT TYPE STRING,
SOURCESALESDOCUMENT TYPE STRING,
SOURCESALESDOCUMENTITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINOC_MOCKRTPOI_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_FINOC_MOCKRTPOI_STR-MANDT sy-vline 
WA_FINOC_MOCKRTPOI_STR-PURCHASINGDOCUMENT sy-vline 
WA_FINOC_MOCKRTPOI_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_FINOC_MOCKRTPOI_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_FINOC_MOCKRTPOI_STR-ORGANIZATIONALCHANGE sy-vline 
WA_FINOC_MOCKRTPOI_STR-CONTROLLINGAREA sy-vline 
WA_FINOC_MOCKRTPOI_STR-COMPANYCODE sy-vline 
WA_FINOC_MOCKRTPOI_STR-PROFITCENTERBEFOREORGLCHANGE sy-vline 
WA_FINOC_MOCKRTPOI_STR-PROFITCENTERBYORGLCHANGE sy-vline 
WA_FINOC_MOCKRTPOI_STR-PROFITCENTERDERIVATIONSRCETYPE sy-vline 
WA_FINOC_MOCKRTPOI_STR-SOURCEWBSELEMENTINTERNALID sy-vline 
WA_FINOC_MOCKRTPOI_STR-SOURCEPROJECTINTERNALID sy-vline 
WA_FINOC_MOCKRTPOI_STR-SOURCEPRODUCT sy-vline 
WA_FINOC_MOCKRTPOI_STR-SOURCEPLANT sy-vline 
WA_FINOC_MOCKRTPOI_STR-SOURCESALESDOCUMENT sy-vline 
WA_FINOC_MOCKRTPOI_STR-SOURCESALESDOCUMENTITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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