ABAP Select data from SAP table V_TIVCDDUEDATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TIVCDDUEDATE
*  INTO TABLE @DATA(IT_V_TIVCDDUEDATE2).
*--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_V_TIVCDDUEDATE INDEX 1 INTO DATA(WA_V_TIVCDDUEDATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TIVCDDUEDATE>-MANDT = 1.
<V_TIVCDDUEDATE>-DUEDATECORRRULE = 1.
<V_TIVCDDUEDATE>-DUEDATECORRPRIO = 1.
<V_TIVCDDUEDATE>-DUEDATECORRDAY = 1.
<V_TIVCDDUEDATE>-DUEDATECORRMONTH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TIVCDDUEDATE-DUEDATECORRYEAR, sy-vline,
  WA_V_TIVCDDUEDATE-DUEDATECORRPRIOC, sy-vline,
  WA_V_TIVCDDUEDATE-DUEDATECORRCAL, sy-vline,
  WA_V_TIVCDDUEDATE-DUEDATECORRCALUN, sy-vline,
  WA_V_TIVCDDUEDATE-DUEDATECALENDER, sy-vline,
  WA_V_TIVCDDUEDATE-DUEDATEMOVEBEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TIVCDDUEDATE 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_V_TIVCDDUEDATE 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_V_TIVCDDUEDATE INTO WA_V_TIVCDDUEDATE.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_V_TIVCDDUEDATE_STR, 
MANDT TYPE STRING,
DUEDATECORRRULE TYPE STRING,
DUEDATECORRPRIO TYPE STRING,
DUEDATECORRDAY TYPE STRING,
DUEDATECORRMONTH TYPE STRING,
DUEDATECORRYEAR TYPE STRING,
DUEDATECORRPRIOC TYPE STRING,
DUEDATECORRCAL TYPE STRING,
DUEDATECORRCALUN TYPE STRING,
DUEDATECALENDER TYPE STRING,
DUEDATEMOVEBEG TYPE STRING,
DUEDATEMOVEEND TYPE STRING,
DUEDATEVALINCPAY TYPE STRING,
DUEDATEVALDECPAY TYPE STRING,
DUEDATEACTINCPAY TYPE STRING,
DUEDATEACTDECPAY TYPE STRING,
DUEDATECORINCPAY TYPE STRING,
DUEDATECORDECPAY TYPE STRING,
DUEDATEOBJASPAY TYPE STRING,
DUEDATEVALINCOBJ TYPE STRING,
DUEDATEVALDECOBJ TYPE STRING,
DUEDATEACTINCOBJ TYPE STRING,
DUEDATEACTDECOBJ TYPE STRING,
XDUEDATECORRRULE TYPE STRING,
DUEDATECORINCOBJ TYPE STRING,
DUEDATECORDECOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TIVCDDUEDATE_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_V_TIVCDDUEDATE_STR-MANDT sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRRULE sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRPRIO sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRDAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRMONTH sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRYEAR sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRPRIOC sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRCAL sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORRCALUN sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECALENDER sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEMOVEBEG sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEMOVEEND sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEVALINCPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEVALDECPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEACTINCPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEACTDECPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORINCPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORDECPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEOBJASPAY sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEVALINCOBJ sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEVALDECOBJ sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEACTINCOBJ sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATEACTDECOBJ sy-vline 
WA_V_TIVCDDUEDATE_STR-XDUEDATECORRRULE sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORINCOBJ sy-vline 
WA_V_TIVCDDUEDATE_STR-DUEDATECORDECOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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