ABAP Select data from SAP table PAR_DINER_EMPLOYEE_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAR_DINER_EMPLOYEE_DATA
*  INTO TABLE @DATA(IT_PAR_DINER_EMPLOYEE_DATA2).
*--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_PAR_DINER_EMPLOYEE_DATA INDEX 1 INTO DATA(WA_PAR_DINER_EMPLOYEE_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAR_DINER_EMPLOYEE_DATA>-BEGDA = 1.
<PAR_DINER_EMPLOYEE_DATA>-NACHN = 1.
<PAR_DINER_EMPLOYEE_DATA>-VORNA = 1.
<PAR_DINER_EMPLOYEE_DATA>-CCUIL = 1.
<PAR_DINER_EMPLOYEE_DATA>-STRAS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAR_DINER_EMPLOYEE_DATA-HSNMR, sy-vline,
  WA_PAR_DINER_EMPLOYEE_DATA-FLOOR, sy-vline,
  WA_PAR_DINER_EMPLOYEE_DATA-POSTA, sy-vline,
  WA_PAR_DINER_EMPLOYEE_DATA-ORT01, sy-vline,
  WA_PAR_DINER_EMPLOYEE_DATA-PSTLZ, sy-vline,
  WA_PAR_DINER_EMPLOYEE_DATA-STATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAR_DINER_EMPLOYEE_DATA 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_PAR_DINER_EMPLOYEE_DATA 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_PAR_DINER_EMPLOYEE_DATA INTO WA_PAR_DINER_EMPLOYEE_DATA.


*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_PAR_DINER_EMPLOYEE_DATA_STR, 
BEGDA TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
CCUIL TYPE STRING,
STRAS TYPE STRING,
HSNMR TYPE STRING,
FLOOR TYPE STRING,
POSTA TYPE STRING,
ORT01 TYPE STRING,
PSTLZ TYPE STRING,
STATE TYPE STRING,
BEZEI TYPE STRING,
TELNR TYPE STRING,
CTTYP TYPE STRING,
CTTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAR_DINER_EMPLOYEE_DATA_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_PAR_DINER_EMPLOYEE_DATA_STR-BEGDA sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-NACHN sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-VORNA sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-CCUIL sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-STRAS sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-HSNMR sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-FLOOR sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-POSTA sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-ORT01 sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-PSTLZ sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-STATE sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-BEZEI sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-TELNR sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-CTTYP sy-vline 
WA_PAR_DINER_EMPLOYEE_DATA_STR-CTTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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