ABAP Select data from SAP table PDTDEPAREA into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PDTDEPAREA 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 PDTDEPAREA. 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 PDTDEPAREA 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_PDTDEPAREA TYPE STANDARD TABLE OF PDTDEPAREA,
      WA_PDTDEPAREA TYPE PDTDEPAREA,
      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: <PDTDEPAREA> TYPE PDTDEPAREA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDTDEPAREA
*  INTO TABLE @DATA(IT_PDTDEPAREA2).
*--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_PDTDEPAREA INDEX 1 INTO DATA(WA_PDTDEPAREA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PDTDEPAREA>-MANDT = 1.
<PDTDEPAREA>-COMP_CODE = 1.
<PDTDEPAREA>-ASSET_NO = 1.
<PDTDEPAREA>-ASSET_SUBNO = 1.
<PDTDEPAREA>-DEPR_AREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDTDEPAREA-APC, sy-vline,
  WA_PDTDEPAREA-REVL, sy-vline,
  WA_PDTDEPAREA-INVS, sy-vline,
  WA_PDTDEPAREA-DEPR_O, sy-vline,
  WA_PDTDEPAREA-DEPR_S, sy-vline,
  WA_PDTDEPAREA-DEPR_U, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDTDEPAREA 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_PDTDEPAREA 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_PDTDEPAREA INTO WA_PDTDEPAREA.


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

*Conversion exit ALPHA, internal->external for field ASSET_SUBNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PDTDEPAREA-ASSET_SUBNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDTDEPAREA-ASSET_SUBNO.
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_PDTDEPAREA_STR, 
MANDT TYPE STRING,
COMP_CODE TYPE STRING,
ASSET_NO TYPE STRING,
ASSET_SUBNO TYPE STRING,
DEPR_AREA TYPE STRING,
APC TYPE STRING,
REVL TYPE STRING,
INVS TYPE STRING,
DEPR_O TYPE STRING,
DEPR_S TYPE STRING,
DEPR_U TYPE STRING,
RESV TYPE STRING,
INTR TYPE STRING,
REVL_D TYPE STRING,
NBV TYPE STRING,
SIGN TYPE STRING,
DEPR_O_FIRST TYPE STRING,
CALC_INFLATION TYPE STRING,
POSTING_DATE TYPE STRING,
VALUE_DATE TYPE STRING,
VALUE_DATE_ORIG TYPE STRING,
PERIODCONTROL TYPE STRING,
IS_CURRENT_YR TYPE STRING,
CATEGORY TYPE STRING,
CLASSIFICATION TYPE STRING,
GRP_ASSET_ASSGND TYPE STRING,
PREV_PREV_APC TYPE STRING,
CUR_APC TYPE STRING,
PREV_PREV_PERCENT TYPE STRING,
CUR_PERCENT TYPE STRING,
IS_BASE_AREA TYPE STRING,
RETIREMENT_TYPE TYPE STRING,
PROCESS_CONTROL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDTDEPAREA_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_PDTDEPAREA_STR-MANDT sy-vline 
WA_PDTDEPAREA_STR-COMP_CODE sy-vline 
WA_PDTDEPAREA_STR-ASSET_NO sy-vline 
WA_PDTDEPAREA_STR-ASSET_SUBNO sy-vline 
WA_PDTDEPAREA_STR-DEPR_AREA sy-vline 
WA_PDTDEPAREA_STR-APC sy-vline 
WA_PDTDEPAREA_STR-REVL sy-vline 
WA_PDTDEPAREA_STR-INVS sy-vline 
WA_PDTDEPAREA_STR-DEPR_O sy-vline 
WA_PDTDEPAREA_STR-DEPR_S sy-vline 
WA_PDTDEPAREA_STR-DEPR_U sy-vline 
WA_PDTDEPAREA_STR-RESV sy-vline 
WA_PDTDEPAREA_STR-INTR sy-vline 
WA_PDTDEPAREA_STR-REVL_D sy-vline 
WA_PDTDEPAREA_STR-NBV sy-vline 
WA_PDTDEPAREA_STR-SIGN sy-vline 
WA_PDTDEPAREA_STR-DEPR_O_FIRST sy-vline 
WA_PDTDEPAREA_STR-CALC_INFLATION sy-vline 
WA_PDTDEPAREA_STR-POSTING_DATE sy-vline 
WA_PDTDEPAREA_STR-VALUE_DATE sy-vline 
WA_PDTDEPAREA_STR-VALUE_DATE_ORIG sy-vline 
WA_PDTDEPAREA_STR-PERIODCONTROL sy-vline 
WA_PDTDEPAREA_STR-IS_CURRENT_YR sy-vline 
WA_PDTDEPAREA_STR-CATEGORY sy-vline 
WA_PDTDEPAREA_STR-CLASSIFICATION sy-vline 
WA_PDTDEPAREA_STR-GRP_ASSET_ASSGND sy-vline 
WA_PDTDEPAREA_STR-PREV_PREV_APC sy-vline 
WA_PDTDEPAREA_STR-CUR_APC sy-vline 
WA_PDTDEPAREA_STR-PREV_PREV_PERCENT sy-vline 
WA_PDTDEPAREA_STR-CUR_PERCENT sy-vline 
WA_PDTDEPAREA_STR-IS_BASE_AREA sy-vline 
WA_PDTDEPAREA_STR-RETIREMENT_TYPE sy-vline 
WA_PDTDEPAREA_STR-PROCESS_CONTROL sy-vline      INTO ld_text SEPARATED BY SPACE.

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