ABAP Select data from SAP table /SAPF15/ALV_ELKOZUV1 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_ELKOZUV1 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_ELKOZUV1. 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_ELKOZUV1 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_ELKOZUV1 TYPE STANDARD TABLE OF /SAPF15/ALV_ELKOZUV1,
      WA_/SAPF15/ALV_ELKOZUV1 TYPE /SAPF15/ALV_ELKOZUV1,
      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_ELKOZUV1> TYPE /SAPF15/ALV_ELKOZUV1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPF15/ALV_ELKOZUV1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPF15/ALV_ELKOZUV1
  INTO TABLE IT_/SAPF15/ALV_ELKOZUV1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPF15/ALV_ELKOZUV1
*  INTO TABLE @DATA(IT_/SAPF15/ALV_ELKOZUV12).
*--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_ELKOZUV1 INDEX 1 INTO DATA(WA_/SAPF15/ALV_ELKOZUV12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPF15/ALV_ELKOZUV1 ASSIGNING </SAPF15/ALV_ELKOZUV1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPF15/ALV_ELKOZUV1>-MANDT = 1.
</SAPF15/ALV_ELKOZUV1>-BUKRS = 1.
</SAPF15/ALV_ELKOZUV1>-GJAHR = 1.
</SAPF15/ALV_ELKOZUV1>-F03_N_BEWIRT = 1.
</SAPF15/ALV_ELKOZUV1>-F05_N_KASSENZ = 1.

ENDLOOP.

LOOP AT IT_/SAPF15/ALV_ELKOZUV1 INTO WA_/SAPF15/ALV_ELKOZUV1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPF15/ALV_ELKOZUV1-F09_X_MAHNKZ, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV1-F11_X_MAHNST, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV1-F13_N_LSEKZ, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV1-F15_X, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV1-F16_N_SUMMEHF, sy-vline,
  WA_/SAPF15/ALV_ELKOZUV1-F18_X, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPF15/ALV_ELKOZUV1 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_ELKOZUV1 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_ELKOZUV1 INTO WA_/SAPF15/ALV_ELKOZUV1.


*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_ELKOZUV1-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPF15/ALV_ELKOZUV1-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_ELKOZUV1_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
F03_N_BEWIRT TYPE STRING,
F05_N_KASSENZ TYPE STRING,
F09_X_MAHNKZ TYPE STRING,
F11_X_MAHNST TYPE STRING,
F13_N_LSEKZ TYPE STRING,
F15_X TYPE STRING,
F16_N_SUMMEHF TYPE STRING,
F18_X TYPE STRING,
F19_N_SUMMEMK TYPE STRING,
F21_X TYPE STRING,
F22_N_SUMMEVZ TYPE STRING,
F24_X_NAME1 TYPE STRING,
F26_X_NAME2 TYPE STRING,
F28_X_STRAS TYPE STRING,
F30_X_LKZ TYPE STRING,
F32_X_PLZ TYPE STRING,
F34_X_ORT TYPE STRING,
F36_X_BLZ TYPE STRING,
F38_X_KONTO TYPE STRING,
F40_X_NAMEK 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,
F42_X_LSETXT TYPE STRING,
F44_X_BIC TYPE STRING,
F46_X_IBAN TYPE STRING,
F48_X_ZMVREF TYPE STRING,
F50_X_SDDTXT TYPE STRING,
F52_X_ZNAME1 TYPE STRING,
F54_X_ZNAME2 TYPE STRING,
F56_X_ZSTRAS TYPE STRING,
F58_X_ZORT TYPE STRING,
F16_N_SUMMEHF_SAP TYPE STRING,
F19_N_SUMMEMK_SAP TYPE STRING,
F22_N_SUMMEVZ_SAP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPF15/ALV_ELKOZUV1_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_ELKOZUV1_STR-MANDT sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-BUKRS sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-GJAHR sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F03_N_BEWIRT sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F05_N_KASSENZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F09_X_MAHNKZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F11_X_MAHNST sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F13_N_LSEKZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F15_X sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F16_N_SUMMEHF sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F18_X sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F19_N_SUMMEMK sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F21_X sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F22_N_SUMMEVZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F24_X_NAME1 sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F26_X_NAME2 sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F28_X_STRAS sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F30_X_LKZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F32_X_PLZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F34_X_ORT sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F36_X_BLZ sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F38_X_KONTO sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F40_X_NAMEK sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-STATUS sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-ERSDA sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-ERZET sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-ERNAM sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-USER_STATUS sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-USER_INFO sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-LOESCHKENNZEICHEN sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F42_X_LSETXT sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F44_X_BIC sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F46_X_IBAN sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F48_X_ZMVREF sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F50_X_SDDTXT sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F52_X_ZNAME1 sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F54_X_ZNAME2 sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F56_X_ZSTRAS sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F58_X_ZORT sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F16_N_SUMMEHF_SAP sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F19_N_SUMMEMK_SAP sy-vline 
WA_/SAPF15/ALV_ELKOZUV1_STR-F22_N_SUMMEVZ_SAP sy-vline      INTO ld_text SEPARATED BY SPACE.

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