ABAP Select data from SAP table DFKKBIXREVRECS02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DFKKBIXREVRECS02 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 DFKKBIXREVRECS02. 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 DFKKBIXREVRECS02 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_DFKKBIXREVRECS02 TYPE STANDARD TABLE OF DFKKBIXREVRECS02,
      WA_DFKKBIXREVRECS02 TYPE DFKKBIXREVRECS02,
      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: <DFKKBIXREVRECS02> TYPE DFKKBIXREVRECS02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DFKKBIXREVRECS02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DFKKBIXREVRECS02
  INTO TABLE IT_DFKKBIXREVRECS02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DFKKBIXREVRECS02
*  INTO TABLE @DATA(IT_DFKKBIXREVRECS022).
*--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_DFKKBIXREVRECS02 INDEX 1 INTO DATA(WA_DFKKBIXREVRECS022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DFKKBIXREVRECS02 ASSIGNING <DFKKBIXREVRECS02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DFKKBIXREVRECS02>-MANDT = 1.
<DFKKBIXREVRECS02>-REVREC_ACCKEY = 1.
<DFKKBIXREVRECS02>-REVREC_UUID = 1.
<DFKKBIXREVRECS02>-REVRECS_UUID = 1.
<DFKKBIXREVRECS02>-BITDATAPACKID = 1.

ENDLOOP.

LOOP AT IT_DFKKBIXREVRECS02 INTO WA_DFKKBIXREVRECS02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DFKKBIXREVRECS02-ITEMTYPE, sy-vline,
  WA_DFKKBIXREVRECS02-REVREC_PDATE, sy-vline,
  WA_DFKKBIXREVRECS02-CRDATE, sy-vline,
  WA_DFKKBIXREVRECS02-CRTIME, sy-vline,
  WA_DFKKBIXREVRECS02-BITCAT, sy-vline,
  WA_DFKKBIXREVRECS02-SUBPROCESS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DFKKBIXREVRECS02 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_DFKKBIXREVRECS02 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_DFKKBIXREVRECS02 INTO WA_DFKKBIXREVRECS02.


*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 VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKBIXREVRECS02-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKBIXREVRECS02-VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKBIXREVRECS02-GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKBIXREVRECS02-GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRCTAID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DFKKBIXREVRECS02-SRCTAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKBIXREVRECS02-SRCTAID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BIT_QTY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DFKKBIXREVRECS02-BIT_QTY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKBIXREVRECS02-BIT_QTY_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REVREC_QTY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_DFKKBIXREVRECS02-REVREC_QTY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DFKKBIXREVRECS02-REVREC_QTY_UNIT.
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_DFKKBIXREVRECS02_STR, 
MANDT TYPE STRING,
REVREC_ACCKEY TYPE STRING,
REVREC_UUID TYPE STRING,
REVRECS_UUID TYPE STRING,
BITDATAPACKID TYPE STRING,
ITEMTYPE TYPE STRING,
REVREC_PDATE TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
BITCAT TYPE STRING,
SUBPROCESS TYPE STRING,
VKONT TYPE STRING,
GPART TYPE STRING,
BITSTATUS TYPE STRING,
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
BITPACKUUID TYPE STRING,
BITPACKCNO TYPE STRING,
BILLCRDATE TYPE STRING,
BILLDOCNO TYPE STRING,
BIT_GRPNO TYPE STRING,
INVDOCNO TYPE STRING,
BITCRDATE TYPE STRING,
BITDATE TYPE STRING,
BIT_AMOUNT TYPE STRING,
BIT_CURR TYPE STRING,
BIT_QUANTITY TYPE STRING,
BIT_QTY_UNIT TYPE STRING,
REVREC_AMOUNT TYPE STRING,
REVREC_CURR TYPE STRING,
REVREC_QTY_UNIT TYPE STRING,
REVREC_QUANTITY TYPE STRING,
BIT_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DFKKBIXREVRECS02_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_DFKKBIXREVRECS02_STR-MANDT sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_ACCKEY sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_UUID sy-vline 
WA_DFKKBIXREVRECS02_STR-REVRECS_UUID sy-vline 
WA_DFKKBIXREVRECS02_STR-BITDATAPACKID sy-vline 
WA_DFKKBIXREVRECS02_STR-ITEMTYPE sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_PDATE sy-vline 
WA_DFKKBIXREVRECS02_STR-CRDATE sy-vline 
WA_DFKKBIXREVRECS02_STR-CRTIME sy-vline 
WA_DFKKBIXREVRECS02_STR-BITCAT sy-vline 
WA_DFKKBIXREVRECS02_STR-SUBPROCESS sy-vline 
WA_DFKKBIXREVRECS02_STR-VKONT sy-vline 
WA_DFKKBIXREVRECS02_STR-GPART sy-vline 
WA_DFKKBIXREVRECS02_STR-BITSTATUS sy-vline 
WA_DFKKBIXREVRECS02_STR-SRCTATYPE sy-vline 
WA_DFKKBIXREVRECS02_STR-SRCTAID sy-vline 
WA_DFKKBIXREVRECS02_STR-BITPACKUUID sy-vline 
WA_DFKKBIXREVRECS02_STR-BITPACKCNO sy-vline 
WA_DFKKBIXREVRECS02_STR-BILLCRDATE sy-vline 
WA_DFKKBIXREVRECS02_STR-BILLDOCNO sy-vline 
WA_DFKKBIXREVRECS02_STR-BIT_GRPNO sy-vline 
WA_DFKKBIXREVRECS02_STR-INVDOCNO sy-vline 
WA_DFKKBIXREVRECS02_STR-BITCRDATE sy-vline 
WA_DFKKBIXREVRECS02_STR-BITDATE sy-vline 
WA_DFKKBIXREVRECS02_STR-BIT_AMOUNT sy-vline 
WA_DFKKBIXREVRECS02_STR-BIT_CURR sy-vline 
WA_DFKKBIXREVRECS02_STR-BIT_QUANTITY sy-vline 
WA_DFKKBIXREVRECS02_STR-BIT_QTY_UNIT sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_AMOUNT sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_CURR sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_QTY_UNIT sy-vline 
WA_DFKKBIXREVRECS02_STR-REVREC_QUANTITY sy-vline 
WA_DFKKBIXREVRECS02_STR-BIT_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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