ABAP Select data from SAP table /SAPF15/ALV_ELKOZUV5 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPF15/ALV_ELKOZUV5 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 /SAPF15/ALV_ELKOZUV5. 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 /SAPF15/ALV_ELKOZUV5 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_/SAPF15/ALV_ELKOZUV5 TYPE STANDARD TABLE OF /SAPF15/ALV_ELKOZUV5,
      WA_/SAPF15/ALV_ELKOZUV5 TYPE /SAPF15/ALV_ELKOZUV5,
      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: </SAPF15/ALV_ELKOZUV5> TYPE /SAPF15/ALV_ELKOZUV5.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPF15/ALV_ELKOZUV5.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPF15/ALV_ELKOZUV5
  INTO TABLE IT_/SAPF15/ALV_ELKOZUV5.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPF15/ALV_ELKOZUV5
*  INTO TABLE @DATA(IT_/SAPF15/ALV_ELKOZUV52).
*--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_/SAPF15/ALV_ELKOZUV5 INDEX 1 INTO DATA(WA_/SAPF15/ALV_ELKOZUV52).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPF15/ALV_ELKOZUV5 ASSIGNING </SAPF15/ALV_ELKOZUV5>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPF15/ALV_ELKOZUV5>-MANDT = 1.
</SAPF15/ALV_ELKOZUV5>-BUKRS = 1.
</SAPF15/ALV_ELKOZUV5>-GJAHR = 1.
</SAPF15/ALV_ELKOZUV5>-F03_N_BEWIRT = 1.
</SAPF15/ALV_ELKOZUV5>-F05_X_BK = 1.

ENDLOOP.

LOOP AT IT_/SAPF15/ALV_ELKOZUV5 INTO WA_/SAPF15/ALV_ELKOZUV5.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPF15/ALV_ELKOZUV5-F07_X_ZUVNR1, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV5-F09_X_ZUVNR2, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV5-F13_X, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV5-F15_N_HHST, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV5-F17_N_OBJNR, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV5-F19_X, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPF15/ALV_ELKOZUV5 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_/SAPF15/ALV_ELKOZUV5 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_/SAPF15/ALV_ELKOZUV5 INTO WA_/SAPF15/ALV_ELKOZUV5.


*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 GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPF15/ALV_ELKOZUV5-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/ALV_ELKOZUV5-GJAHR.
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_/SAPF15/ALV_ELKOZUV5_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
F03_N_BEWIRT TYPE STRING,
F05_X_BK TYPE STRING,
F07_X_ZUVNR1 TYPE STRING,
F09_X_ZUVNR2 TYPE STRING,
F13_X TYPE STRING,
F15_N_HHST TYPE STRING,
F17_N_OBJNR TYPE STRING,
F19_X TYPE STRING,
F20_N_BETRAG TYPE STRING,
F22_X_EAKZ TYPE STRING,
F24_X_VSL TYPE STRING,
F26_N_BUDAT TYPE STRING,
F28_X_STATUS TYPE STRING,
F30_X_SDATUM TYPE STRING,
F32_X_SGTXT1 TYPE STRING,
F34_X_SGTXT2 TYPE STRING,
STATUS TYPE STRING,
ERSDA TYPE STRING,
ERZET TYPE STRING,
ERNAM TYPE STRING,
USER_STATUS TYPE STRING,
USER_INFO TYPE STRING,
LOESCHKENNZEICHEN TYPE STRING,
F20_N_BETRAG_SAP TYPE STRING,
F26_N_BUDAT_SAP TYPE STRING,
F30_X_SDATUM_SAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPF15/ALV_ELKOZUV5_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_/SAPF15/ALV_ELKOZUV5_STR-MANDT sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-BUKRS sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-GJAHR sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F03_N_BEWIRT sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F05_X_BK sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F07_X_ZUVNR1 sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F09_X_ZUVNR2 sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F13_X sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F15_N_HHST sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F17_N_OBJNR sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F19_X sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F20_N_BETRAG sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F22_X_EAKZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F24_X_VSL sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F26_N_BUDAT sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F28_X_STATUS sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F30_X_SDATUM sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F32_X_SGTXT1 sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F34_X_SGTXT2 sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-STATUS sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-ERSDA sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-ERZET sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-ERNAM sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-USER_STATUS sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-USER_INFO sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-LOESCHKENNZEICHEN sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F20_N_BETRAG_SAP sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F26_N_BUDAT_SAP sy-vline 
WA_/SAPF15/ALV_ELKOZUV5_STR-F30_X_SDATUM_SAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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