ABAP Select data from SAP table BKKAUDITI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BKKAUDITI
*  INTO TABLE @DATA(IT_BKKAUDITI2).
*--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_BKKAUDITI INDEX 1 INTO DATA(WA_BKKAUDITI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BKKAUDITI>-ZEILE = 1.
<BKKAUDITI>-COUNT = 1.
<BKKAUDITI>-TEXT = 1.
<BKKAUDITI>-BUKRS = 1.
<BKKAUDITI>-DOC_FI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BKKAUDITI-GJAHR, sy-vline,
  WA_BKKAUDITI-BUZEI, sy-vline,
  WA_BKKAUDITI-BSCHL, sy-vline,
  WA_BKKAUDITI-SHKZG, sy-vline,
  WA_BKKAUDITI-BLART, sy-vline,
  WA_BKKAUDITI-BKTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BKKAUDITI 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_BKKAUDITI 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_BKKAUDITI INTO WA_BKKAUDITI.


*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 ALPHA, internal->external for field DOC_FI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-DOC_FI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-DOC_FI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-AUGBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL_PRQ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-AUGBL_PRQ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-AUGBL_PRQ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_BS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-BELNR_BS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-BELNR_BS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NBBLN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-NBBLN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-NBBLN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BKKAUDITI-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BKKAUDITI-VBUND.
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_BKKAUDITI_STR, 
ZEILE TYPE STRING,
COUNT TYPE STRING,
TEXT TYPE STRING,
BUKRS TYPE STRING,
DOC_FI TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
BSCHL TYPE STRING,
SHKZG TYPE STRING,
BLART TYPE STRING,
BKTXT TYPE STRING,
BUDAT TYPE STRING,
DMBTR TYPE STRING,
HWAER TYPE STRING,
WRBTR TYPE STRING,
WAERS TYPE STRING,
HKONT TYPE STRING,
FIKEY TYPE STRING,
GLACTION TYPE STRING,
T_GLACTION TYPE STRING,
XREF1 TYPE STRING,
XBLNR TYPE STRING,
AUGBL TYPE STRING,
AUGBL_PRQ TYPE STRING,
BELNR_BS TYPE STRING,
NBBLN TYPE STRING,
AWKEY TYPE STRING,
AWTYP TYPE STRING,
GSBER TYPE STRING,
VBUND TYPE STRING,
ZUONR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BKKAUDITI_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_BKKAUDITI_STR-ZEILE sy-vline 
WA_BKKAUDITI_STR-COUNT sy-vline 
WA_BKKAUDITI_STR-TEXT sy-vline 
WA_BKKAUDITI_STR-BUKRS sy-vline 
WA_BKKAUDITI_STR-DOC_FI sy-vline 
WA_BKKAUDITI_STR-GJAHR sy-vline 
WA_BKKAUDITI_STR-BUZEI sy-vline 
WA_BKKAUDITI_STR-BSCHL sy-vline 
WA_BKKAUDITI_STR-SHKZG sy-vline 
WA_BKKAUDITI_STR-BLART sy-vline 
WA_BKKAUDITI_STR-BKTXT sy-vline 
WA_BKKAUDITI_STR-BUDAT sy-vline 
WA_BKKAUDITI_STR-DMBTR sy-vline 
WA_BKKAUDITI_STR-HWAER sy-vline 
WA_BKKAUDITI_STR-WRBTR sy-vline 
WA_BKKAUDITI_STR-WAERS sy-vline 
WA_BKKAUDITI_STR-HKONT sy-vline 
WA_BKKAUDITI_STR-FIKEY sy-vline 
WA_BKKAUDITI_STR-GLACTION sy-vline 
WA_BKKAUDITI_STR-T_GLACTION sy-vline 
WA_BKKAUDITI_STR-XREF1 sy-vline 
WA_BKKAUDITI_STR-XBLNR sy-vline 
WA_BKKAUDITI_STR-AUGBL sy-vline 
WA_BKKAUDITI_STR-AUGBL_PRQ sy-vline 
WA_BKKAUDITI_STR-BELNR_BS sy-vline 
WA_BKKAUDITI_STR-NBBLN sy-vline 
WA_BKKAUDITI_STR-AWKEY sy-vline 
WA_BKKAUDITI_STR-AWTYP sy-vline 
WA_BKKAUDITI_STR-GSBER sy-vline 
WA_BKKAUDITI_STR-VBUND sy-vline 
WA_BKKAUDITI_STR-ZUONR sy-vline      INTO ld_text SEPARATED BY SPACE.

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