ABAP Select data from SAP table HRDEST_E2_S_CHECKTOOL_COMP_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRDEST_E2_S_CHECKTOOL_COMP_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 HRDEST_E2_S_CHECKTOOL_COMP_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 HRDEST_E2_S_CHECKTOOL_COMP_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_HRDEST_E2_S_CHECKTOOL_COMP_ALV TYPE STANDARD TABLE OF HRDEST_E2_S_CHECKTOOL_COMP_ALV,
      WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV TYPE HRDEST_E2_S_CHECKTOOL_COMP_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: <HRDEST_E2_S_CHECKTOOL_COMP_ALV> TYPE HRDEST_E2_S_CHECKTOOL_COMP_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRDEST_E2_S_CHECKTOOL_COMP_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRDEST_E2_S_CHECKTOOL_COMP_ALV
  INTO TABLE IT_HRDEST_E2_S_CHECKTOOL_COMP_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRDEST_E2_S_CHECKTOOL_COMP_ALV
*  INTO TABLE @DATA(IT_HRDEST_E2_S_CHECKTOOL_COMP_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_HRDEST_E2_S_CHECKTOOL_COMP_ALV INDEX 1 INTO DATA(WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRDEST_E2_S_CHECKTOOL_COMP_ALV ASSIGNING <HRDEST_E2_S_CHECKTOOL_COMP_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRDEST_E2_S_CHECKTOOL_COMP_ALV>-PERNR = 1.
<HRDEST_E2_S_CHECKTOOL_COMP_ALV>-E2DATASOURCE = 1.
<HRDEST_E2_S_CHECKTOOL_COMP_ALV>-ENDDA = 1.
<HRDEST_E2_S_CHECKTOOL_COMP_ALV>-VERKNUEPFUNG = 1.
<HRDEST_E2_S_CHECKTOOL_COMP_ALV>-IDNR = 1.

ENDLOOP.

LOOP AT IT_HRDEST_E2_S_CHECKTOOL_COMP_ALV INTO WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV-GUELTIGAB, sy-vline,
  WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV-STRKL, sy-vline,
  WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV-KDFBT, sy-vline,
  WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV-FREIJ, sy-vline,
  WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV-FREIM, sy-vline,
  WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV-FREIW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRDEST_E2_S_CHECKTOOL_COMP_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_HRDEST_E2_S_CHECKTOOL_COMP_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_HRDEST_E2_S_CHECKTOOL_COMP_ALV INTO WA_HRDEST_E2_S_CHECKTOOL_COMP_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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR, 
PERNR TYPE STRING,
E2DATASOURCE TYPE STRING,
ENDDA TYPE STRING,
VERKNUEPFUNG TYPE STRING,
IDNR TYPE STRING,
GUELTIGAB TYPE STRING,
STRKL TYPE STRING,
KDFBT TYPE STRING,
FREIJ TYPE STRING,
FREIM TYPE STRING,
FREIW TYPE STRING,
FREIT TYPE STRING,
HINZJ TYPE STRING,
HINZM TYPE STRING,
HINZW TYPE STRING,
HINZT TYPE STRING,
KISTA TYPE STRING,
KISTE TYPE STRING,
FAKTOR TYPE STRING,
AGSTNR TYPE STRING,
FEHLER_NR TYPE STRING,
FEHLER_TXT TYPE STRING,
BESCHAEFTIGUNG TYPE STRING,
FEHLER_TYPE TYPE STRING,
FEHLER_DATUM TYPE STRING,
FEHLER_DATUM_ALT TYPE STRING,
AG TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
WERKS_SUM TYPE STRING,
BTRTL_SUM TYPE STRING,
WERKS_DL TYPE STRING,
BTRTL_DL TYPE STRING,
GUID TYPE STRING,
FAKTOR_DEC TYPE STRING,
ERROR_CHECK TYPE STRING,
CHECK_DESC TYPE STRING,
BEGDA_LASTTIME_ACTIVE TYPE STRING,
ENDDA_LASTTIME_ACTIVE TYPE STRING,
STICHTAG_CHECK TYPE STRING,
ERROR_MSG TYPE STRING,
CELLCOLOR TYPE STRING,
HOTSPOT_E2_COMP TYPE STRING,
HOTSPOT_LGT TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
HOTSPOT_E2_ZEITSCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRDEST_E2_S_CHECKTOOL_COMP_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_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-PERNR sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-E2DATASOURCE sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-ENDDA sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-VERKNUEPFUNG sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-IDNR sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-GUELTIGAB sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-STRKL sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-KDFBT sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FREIJ sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FREIM sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FREIW sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FREIT sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HINZJ sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HINZM sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HINZW sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HINZT sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-KISTA sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-KISTE sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FAKTOR sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-AGSTNR sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FEHLER_NR sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FEHLER_TXT sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-BESCHAEFTIGUNG sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FEHLER_TYPE sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FEHLER_DATUM sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FEHLER_DATUM_ALT sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-AG sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-WERKS sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-BTRTL sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-WERKS_SUM sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-BTRTL_SUM sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-WERKS_DL sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-BTRTL_DL sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-GUID sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-FAKTOR_DEC sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-ERROR_CHECK sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-CHECK_DESC sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-BEGDA_LASTTIME_ACTIVE sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-ENDDA_LASTTIME_ACTIVE sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-STICHTAG_CHECK sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-ERROR_MSG sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-CELLCOLOR sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HOTSPOT_E2_COMP sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HOTSPOT_LGT sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGTY sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGID sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGNO sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGV1 sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGV2 sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGV3 sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-MSGV4 sy-vline 
WA_HRDEST_E2_S_CHECKTOOL_COMP_ALV_STR-HOTSPOT_E2_ZEITSCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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