ABAP Select data from SAP table P05EIR_RPCZKRN0_DISPLAY_ALV into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP P05EIR_RPCZKRN0_DISPLAY_ALV 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 P05EIR_RPCZKRN0_DISPLAY_ALV. 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 P05EIR_RPCZKRN0_DISPLAY_ALV 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_P05EIR_RPCZKRN0_DISPLAY_ALV TYPE STANDARD TABLE OF P05EIR_RPCZKRN0_DISPLAY_ALV,
      WA_P05EIR_RPCZKRN0_DISPLAY_ALV TYPE P05EIR_RPCZKRN0_DISPLAY_ALV,
      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: <P05EIR_RPCZKRN0_DISPLAY_ALV> TYPE P05EIR_RPCZKRN0_DISPLAY_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P05EIR_RPCZKRN0_DISPLAY_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P05EIR_RPCZKRN0_DISPLAY_ALV
  INTO TABLE IT_P05EIR_RPCZKRN0_DISPLAY_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P05EIR_RPCZKRN0_DISPLAY_ALV
*  INTO TABLE @DATA(IT_P05EIR_RPCZKRN0_DISPLAY_ALV2).
*--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_P05EIR_RPCZKRN0_DISPLAY_ALV INDEX 1 INTO DATA(WA_P05EIR_RPCZKRN0_DISPLAY_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P05EIR_RPCZKRN0_DISPLAY_ALV ASSIGNING <P05EIR_RPCZKRN0_DISPLAY_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P05EIR_RPCZKRN0_DISPLAY_ALV>-PERNR = 1.
<P05EIR_RPCZKRN0_DISPLAY_ALV>-ENAME = 1.
<P05EIR_RPCZKRN0_DISPLAY_ALV>-FYEAR = 1.
<P05EIR_RPCZKRN0_DISPLAY_ALV>-MSGNO = 1.
<P05EIR_RPCZKRN0_DISPLAY_ALV>-MTYPE = 1.

ENDLOOP.

LOOP AT IT_P05EIR_RPCZKRN0_DISPLAY_ALV INTO WA_P05EIR_RPCZKRN0_DISPLAY_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P05EIR_RPCZKRN0_DISPLAY_ALV-MTPTX, sy-vline,
  WA_P05EIR_RPCZKRN0_DISPLAY_ALV-ITBEG, sy-vline,
  WA_P05EIR_RPCZKRN0_DISPLAY_ALV-ITEND, sy-vline,
  WA_P05EIR_RPCZKRN0_DISPLAY_ALV-INSTA, sy-vline,
  WA_P05EIR_RPCZKRN0_DISPLAY_ALV-INSTX, sy-vline,
  WA_P05EIR_RPCZKRN0_DISPLAY_ALV-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P05EIR_RPCZKRN0_DISPLAY_ALV 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_P05EIR_RPCZKRN0_DISPLAY_ALV 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_P05EIR_RPCZKRN0_DISPLAY_ALV INTO WA_P05EIR_RPCZKRN0_DISPLAY_ALV.


*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 GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_P05EIR_RPCZKRN0_DISPLAY_ALV-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P05EIR_RPCZKRN0_DISPLAY_ALV-FYEAR.
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_P05EIR_RPCZKRN0_DISPLAY_ALV_STR, 
PERNR TYPE STRING,
ENAME TYPE STRING,
FYEAR TYPE STRING,
MSGNO TYPE STRING,
MTYPE TYPE STRING,
MTPTX TYPE STRING,
ITBEG TYPE STRING,
ITEND TYPE STRING,
INSTA TYPE STRING,
INSTX TYPE STRING,
WERKS TYPE STRING,
PBTXT TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
UNAME TYPE STRING,
STATUS TYPE STRING,
STATXT TYPE STRING,
NEW_STATUS TYPE STRING,
NEW_STATXT TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
VDSK1 TYPE STRING,
XGUID TYPE STRING,
PI_KENMERK TYPE STRING,
FAULT_CODE TYPE STRING,
FAULT_DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P05EIR_RPCZKRN0_DISPLAY_ALV_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_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-PERNR sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-ENAME sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-FYEAR sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-MSGNO sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-MTYPE sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-MTPTX sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-ITBEG sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-ITEND sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-INSTA sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-INSTX sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-WERKS sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-PBTXT sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-CHDAT sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-CHTIM sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-UNAME sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-STATUS sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-STATXT sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-NEW_STATUS sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-NEW_STATXT sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-PERSG sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-PERSK sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-VDSK1 sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-XGUID sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-PI_KENMERK sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-FAULT_CODE sy-vline 
WA_P05EIR_RPCZKRN0_DISPLAY_ALV_STR-FAULT_DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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