ABAP Select data from SAP table PRUSICKREG_SICK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUSICKREG_SICK
*  INTO TABLE @DATA(IT_PRUSICKREG_SICK2).
*--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_PRUSICKREG_SICK INDEX 1 INTO DATA(WA_PRUSICKREG_SICK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUSICKREG_SICK>-AWART = 1.
<PRUSICKREG_SICK>-AWATX = 1.
<PRUSICKREG_SICK>-BEGDA = 1.
<PRUSICKREG_SICK>-ENDDA = 1.
<PRUSICKREG_SICK>-KENN1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUSICKREG_SICK-VORGS, sy-vline,
  WA_PRUSICKREG_SICK-REFNR, sy-vline,
  WA_PRUSICKREG_SICK-TOTAM, sy-vline,
  WA_PRUSICKREG_SICK-TOTDY, sy-vline,
  WA_PRUSICKREG_SICK-TOTFS, sy-vline,
  WA_PRUSICKREG_SICK-TOTUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUSICKREG_SICK 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_PRUSICKREG_SICK 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_PRUSICKREG_SICK INTO WA_PRUSICKREG_SICK.


*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 PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PRUSICKREG_SICK-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUSICKREG_SICK-FGBDT.
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_PRUSICKREG_SICK_STR, 
AWART TYPE STRING,
AWATX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
KENN1 TYPE STRING,
VORGS TYPE STRING,
REFNR TYPE STRING,
TOTAM TYPE STRING,
TOTDY TYPE STRING,
TOTFS TYPE STRING,
TOTUP TYPE STRING,
FAMME TYPE STRING,
FAMSA TYPE STRING,
FMNUM TYPE STRING,
FGBDT TYPE STRING,
FANAM TYPE STRING,
FAVOR TYPE STRING,
FNAC2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUSICKREG_SICK_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_PRUSICKREG_SICK_STR-AWART sy-vline 
WA_PRUSICKREG_SICK_STR-AWATX sy-vline 
WA_PRUSICKREG_SICK_STR-BEGDA sy-vline 
WA_PRUSICKREG_SICK_STR-ENDDA sy-vline 
WA_PRUSICKREG_SICK_STR-KENN1 sy-vline 
WA_PRUSICKREG_SICK_STR-VORGS sy-vline 
WA_PRUSICKREG_SICK_STR-REFNR sy-vline 
WA_PRUSICKREG_SICK_STR-TOTAM sy-vline 
WA_PRUSICKREG_SICK_STR-TOTDY sy-vline 
WA_PRUSICKREG_SICK_STR-TOTFS sy-vline 
WA_PRUSICKREG_SICK_STR-TOTUP sy-vline 
WA_PRUSICKREG_SICK_STR-FAMME sy-vline 
WA_PRUSICKREG_SICK_STR-FAMSA sy-vline 
WA_PRUSICKREG_SICK_STR-FMNUM sy-vline 
WA_PRUSICKREG_SICK_STR-FGBDT sy-vline 
WA_PRUSICKREG_SICK_STR-FANAM sy-vline 
WA_PRUSICKREG_SICK_STR-FAVOR sy-vline 
WA_PRUSICKREG_SICK_STR-FNAC2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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