ABAP Select data from SAP table HR99RU_RSM_S_REPSE_SCREEN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HR99RU_RSM_S_REPSE_SCREEN 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 HR99RU_RSM_S_REPSE_SCREEN. 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 HR99RU_RSM_S_REPSE_SCREEN 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_HR99RU_RSM_S_REPSE_SCREEN TYPE STANDARD TABLE OF HR99RU_RSM_S_REPSE_SCREEN,
      WA_HR99RU_RSM_S_REPSE_SCREEN TYPE HR99RU_RSM_S_REPSE_SCREEN,
      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: <HR99RU_RSM_S_REPSE_SCREEN> TYPE HR99RU_RSM_S_REPSE_SCREEN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HR99RU_RSM_S_REPSE_SCREEN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HR99RU_RSM_S_REPSE_SCREEN
  INTO TABLE IT_HR99RU_RSM_S_REPSE_SCREEN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HR99RU_RSM_S_REPSE_SCREEN
*  INTO TABLE @DATA(IT_HR99RU_RSM_S_REPSE_SCREEN2).
*--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_HR99RU_RSM_S_REPSE_SCREEN INDEX 1 INTO DATA(WA_HR99RU_RSM_S_REPSE_SCREEN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HR99RU_RSM_S_REPSE_SCREEN ASSIGNING <HR99RU_RSM_S_REPSE_SCREEN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HR99RU_RSM_S_REPSE_SCREEN>-REPAR = 1.
<HR99RU_RSM_S_REPSE_SCREEN>-REPTY = 1.
<HR99RU_RSM_S_REPSE_SCREEN>-CUIND = 1.
<HR99RU_RSM_S_REPSE_SCREEN>-CUYER = 1.
<HR99RU_RSM_S_REPSE_SCREEN>-STATU = 1.

ENDLOOP.

LOOP AT IT_HR99RU_RSM_S_REPSE_SCREEN INTO WA_HR99RU_RSM_S_REPSE_SCREEN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HR99RU_RSM_S_REPSE_SCREEN-CODA1, sy-vline,
  WA_HR99RU_RSM_S_REPSE_SCREEN-CODA2, sy-vline,
  WA_HR99RU_RSM_S_REPSE_SCREEN-REPAT, sy-vline,
  WA_HR99RU_RSM_S_REPSE_SCREEN-REPTT, sy-vline,
  WA_HR99RU_RSM_S_REPSE_SCREEN-BEGDA, sy-vline,
  WA_HR99RU_RSM_S_REPSE_SCREEN-ENDDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HR99RU_RSM_S_REPSE_SCREEN 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_HR99RU_RSM_S_REPSE_SCREEN 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_HR99RU_RSM_S_REPSE_SCREEN INTO WA_HR99RU_RSM_S_REPSE_SCREEN.


*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_HR99RU_RSM_S_REPSE_SCREEN_STR, 
REPAR TYPE STRING,
REPTY TYPE STRING,
CUIND TYPE STRING,
CUYER TYPE STRING,
STATU TYPE STRING,
CODA1 TYPE STRING,
CODA2 TYPE STRING,
REPAT TYPE STRING,
REPTT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
BEDAT TYPE STRING,
ENDAT TYPE STRING,
STEXT TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
UNAME TYPE STRING,
TYPER TYPE STRING,
MOLGA TYPE STRING,
RSKIN TYPE STRING,
RSKTX TYPE STRING,
SBEG TYPE STRING,
SEND TYPE STRING,
HAS_KIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HR99RU_RSM_S_REPSE_SCREEN_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_HR99RU_RSM_S_REPSE_SCREEN_STR-REPAR sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-REPTY sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-CUIND sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-CUYER sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-STATU sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-CODA1 sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-CODA2 sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-REPAT sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-REPTT sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-BEGDA sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-ENDDA sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-BEDAT sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-ENDAT sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-STEXT sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-AEDAT sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-AETIM sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-UNAME sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-TYPER sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-MOLGA sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-RSKIN sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-RSKTX sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-SBEG sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-SEND sy-vline 
WA_HR99RU_RSM_S_REPSE_SCREEN_STR-HAS_KIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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