ABAP Select data from SAP table REIT_CCSET_TAXDIST_APP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REIT_CCSET_TAXDIST_APP
*  INTO TABLE @DATA(IT_REIT_CCSET_TAXDIST_APP2).
*--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_REIT_CCSET_TAXDIST_APP INDEX 1 INTO DATA(WA_REIT_CCSET_TAXDIST_APP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REIT_CCSET_TAXDIST_APP>-HASTAXDIST = 1.
<REIT_CCSET_TAXDIST_APP>-TAXDSPS = 1.
<REIT_CCSET_TAXDIST_APP>-TAXDSPM = 1.
<REIT_CCSET_TAXDIST_APP>-TAXDSOR = 1.
<REIT_CCSET_TAXDIST_APP>-TAXDSKS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REIT_CCSET_TAXDIST_APP-TAXDSMSGPS, sy-vline,
  WA_REIT_CCSET_TAXDIST_APP-TAXDSMSGPM, sy-vline,
  WA_REIT_CCSET_TAXDIST_APP-TAXDSMSGOR, sy-vline,
  WA_REIT_CCSET_TAXDIST_APP-TAXDSMSGKS, sy-vline,
  WA_REIT_CCSET_TAXDIST_APP-DATEOFSERVSRC, sy-vline,
  WA_REIT_CCSET_TAXDIST_APP-TAXCORRIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REIT_CCSET_TAXDIST_APP 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_REIT_CCSET_TAXDIST_APP 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_REIT_CCSET_TAXDIST_APP INTO WA_REIT_CCSET_TAXDIST_APP.


*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_REIT_CCSET_TAXDIST_APP_STR, 
HASTAXDIST TYPE STRING,
TAXDSPS TYPE STRING,
TAXDSPM TYPE STRING,
TAXDSOR TYPE STRING,
TAXDSKS TYPE STRING,
TAXDSMSGPS TYPE STRING,
TAXDSMSGPM TYPE STRING,
TAXDSMSGOR TYPE STRING,
TAXDSMSGKS TYPE STRING,
DATEOFSERVSRC TYPE STRING,
TAXCORRIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REIT_CCSET_TAXDIST_APP_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_REIT_CCSET_TAXDIST_APP_STR-HASTAXDIST sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSPS sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSPM sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSOR sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSKS sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSMSGPS sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSMSGPM sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSMSGOR sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXDSMSGKS sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-DATEOFSERVSRC sy-vline 
WA_REIT_CCSET_TAXDIST_APP_STR-TAXCORRIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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