ABAP Select data from SAP table VIIPRSDATE_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIIPRSDATE_D
*  INTO TABLE @DATA(IT_VIIPRSDATE_D2).
*--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_VIIPRSDATE_D INDEX 1 INTO DATA(WA_VIIPRSDATE_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIIPRSDATE_D>-MANDT = 1.
<VIIPRSDATE_D>-INTERNALREALESTATENUMBER = 1.
<VIIPRSDATE_D>-REREMINDERNUMBER = 1.
<VIIPRSDATE_D>-REREMINDERDATE = 1.
<VIIPRSDATE_D>-DRAFTUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIIPRSDATE_D-PARENTDRAFTUUID, sy-vline,
  WA_VIIPRSDATE_D-REREMINDERUUID, sy-vline,
  WA_VIIPRSDATE_D-REREMINDERRULE, sy-vline,
  WA_VIIPRSDATE_D-REREMINDERREASON, sy-vline,
  WA_VIIPRSDATE_D-RESPONSIBLE, sy-vline,
  WA_VIIPRSDATE_D-REREMINDERWRKFLWDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIIPRSDATE_D 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_VIIPRSDATE_D 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_VIIPRSDATE_D INTO WA_VIIPRSDATE_D.


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

*Conversion exit ALPHA, internal->external for field REREMINDERREASON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VIIPRSDATE_D-REREMINDERREASON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIIPRSDATE_D-REREMINDERREASON.
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_VIIPRSDATE_D_STR, 
MANDT TYPE STRING,
INTERNALREALESTATENUMBER TYPE STRING,
REREMINDERNUMBER TYPE STRING,
REREMINDERDATE TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
REREMINDERUUID TYPE STRING,
REREMINDERRULE TYPE STRING,
REREMINDERREASON TYPE STRING,
RESPONSIBLE TYPE STRING,
REREMINDERWRKFLWDATE TYPE STRING,
REREMINDERISDONE TYPE STRING,
REREMINDERISFIX TYPE STRING,
REREMINDERISWRKFLWSEND TYPE STRING,
TEXTOBJECTKEY TYPE STRING,
REREMINDERINFOTEXT TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIIPRSDATE_D_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_VIIPRSDATE_D_STR-MANDT sy-vline 
WA_VIIPRSDATE_D_STR-INTERNALREALESTATENUMBER sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERNUMBER sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERDATE sy-vline 
WA_VIIPRSDATE_D_STR-DRAFTUUID sy-vline 
WA_VIIPRSDATE_D_STR-PARENTDRAFTUUID sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERUUID sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERRULE sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERREASON sy-vline 
WA_VIIPRSDATE_D_STR-RESPONSIBLE sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERWRKFLWDATE sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERISDONE sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERISFIX sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERISWRKFLWSEND sy-vline 
WA_VIIPRSDATE_D_STR-TEXTOBJECTKEY sy-vline 
WA_VIIPRSDATE_D_STR-REREMINDERINFOTEXT sy-vline 
WA_VIIPRSDATE_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_VIIPRSDATE_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_VIIPRSDATE_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_VIIPRSDATE_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_VIIPRSDATE_D_STR-HASACTIVEENTITY sy-vline 
WA_VIIPRSDATE_D_STR-DRAFTFIELDCHANGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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