ABAP Select data from SAP table RECN_VALUATION_CASHFLOW_ODATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECN_VALUATION_CASHFLOW_ODATA
*  INTO TABLE @DATA(IT_RECN_VALUATION_CASHFLOW_ODATA2).
*--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_RECN_VALUATION_CASHFLOW_ODATA INDEX 1 INTO DATA(WA_RECN_VALUATION_CASHFLOW_ODATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECN_VALUATION_CASHFLOW_ODATA>-BUKRS = 1.
<RECN_VALUATION_CASHFLOW_ODATA>-RECNNR = 1.
<RECN_VALUATION_CASHFLOW_ODATA>-OBJNR = 1.
<RECN_VALUATION_CASHFLOW_ODATA>-VALIDTO = 1.
<RECN_VALUATION_CASHFLOW_ODATA>-CERULE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECN_VALUATION_CASHFLOW_ODATA-TERMNO, sy-vline,
  WA_RECN_VALUATION_CASHFLOW_ODATA-CFTYPE, sy-vline,
  WA_RECN_VALUATION_CASHFLOW_ODATA-IDENTBOOKOBJNR, sy-vline,
  WA_RECN_VALUATION_CASHFLOW_ODATA-DUEDATE, sy-vline,
  WA_RECN_VALUATION_CASHFLOW_ODATA-YEARDUEDATE, sy-vline,
  WA_RECN_VALUATION_CASHFLOW_ODATA-BBWHR_DEPR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECN_VALUATION_CASHFLOW_ODATA 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_RECN_VALUATION_CASHFLOW_ODATA 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_RECN_VALUATION_CASHFLOW_ODATA INTO WA_RECN_VALUATION_CASHFLOW_ODATA.


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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECN_VALUATION_CASHFLOW_ODATA-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECN_VALUATION_CASHFLOW_ODATA-VALIDTO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BOOK_FLOWTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECN_VALUATION_CASHFLOW_ODATA-BOOK_FLOWTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECN_VALUATION_CASHFLOW_ODATA-BOOK_FLOWTYPE.
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_RECN_VALUATION_CASHFLOW_ODATA_STR, 
BUKRS TYPE STRING,
RECNNR TYPE STRING,
OBJNR TYPE STRING,
VALIDTO TYPE STRING,
CERULE TYPE STRING,
TERMNO TYPE STRING,
CFTYPE TYPE STRING,
IDENTBOOKOBJNR TYPE STRING,
DUEDATE TYPE STRING,
YEARDUEDATE TYPE STRING,
BBWHR_DEPR TYPE STRING,
DBERVON TYPE STRING,
DBERBIS TYPE STRING,
ATAGE TYPE STRING,
INTERESTRATE TYPE STRING,
BBWHR TYPE STRING,
SWHRKOND TYPE STRING,
REM_VALUE TYPE STRING,
ICON_BOOKED TYPE STRING,
BOOK_FLOWTYPE TYPE STRING,
XBOOK_FLOWTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECN_VALUATION_CASHFLOW_ODATA_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_RECN_VALUATION_CASHFLOW_ODATA_STR-BUKRS sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-RECNNR sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-OBJNR sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-VALIDTO sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-CERULE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-TERMNO sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-CFTYPE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-IDENTBOOKOBJNR sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-DUEDATE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-YEARDUEDATE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-BBWHR_DEPR sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-DBERVON sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-DBERBIS sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-ATAGE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-INTERESTRATE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-BBWHR sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-SWHRKOND sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-REM_VALUE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-ICON_BOOKED sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-BOOK_FLOWTYPE sy-vline 
WA_RECN_VALUATION_CASHFLOW_ODATA_STR-XBOOK_FLOWTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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