ABAP Select data from SAP table EAR_DFKKREV06 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EAR_DFKKREV06 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 EAR_DFKKREV06. 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 EAR_DFKKREV06 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_EAR_DFKKREV06 TYPE STANDARD TABLE OF EAR_DFKKREV06,
      WA_EAR_DFKKREV06 TYPE EAR_DFKKREV06,
      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: <EAR_DFKKREV06> TYPE EAR_DFKKREV06.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EAR_DFKKREV06.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EAR_DFKKREV06
  INTO TABLE IT_EAR_DFKKREV06.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAR_DFKKREV06
*  INTO TABLE @DATA(IT_EAR_DFKKREV062).
*--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_EAR_DFKKREV06 INDEX 1 INTO DATA(WA_EAR_DFKKREV062).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EAR_DFKKREV06 ASSIGNING <EAR_DFKKREV06>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAR_DFKKREV06>-GITYP = 1.
<EAR_DFKKREV06>-REGIO = 1.
<EAR_DFKKREV06>-COUNC = 1.
<EAR_DFKKREV06>-GRICD = 1.
<EAR_DFKKREV06>-REPCLS = 1.

ENDLOOP.

LOOP AT IT_EAR_DFKKREV06 INTO WA_EAR_DFKKREV06.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAR_DFKKREV06-XBLNR, sy-vline,
  WA_EAR_DFKKREV06-VMDAT, sy-vline,
  WA_EAR_DFKKREV06-NAME_ORG1, sy-vline,
  WA_EAR_DFKKREV06-STCDT, sy-vline,
  WA_EAR_DFKKREV06-TAXNUM, sy-vline,
  WA_EAR_DFKKREV06-FITPR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAR_DFKKREV06 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_EAR_DFKKREV06 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_EAR_DFKKREV06 INTO WA_EAR_DFKKREV06.


*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 EXBEL, internal->external for field XBLNR
CALL FUNCTION 'CONVERSION_EXIT_EXBEL_OUTPUT'
  EXPORTING
    input =                      WA_EAR_DFKKREV06-XBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAR_DFKKREV06-XBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAR_DFKKREV06-AUBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAR_DFKKREV06-AUBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAR_DFKKREV06-REFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAR_DFKKREV06-REFNR.
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_EAR_DFKKREV06_STR, 
GITYP TYPE STRING,
REGIO TYPE STRING,
COUNC TYPE STRING,
GRICD TYPE STRING,
REPCLS TYPE STRING,
XBLNR TYPE STRING,
VMDAT TYPE STRING,
NAME_ORG1 TYPE STRING,
STCDT TYPE STRING,
TAXNUM TYPE STRING,
FITPR TYPE STRING,
TRANSFER TYPE STRING,
CANCEL TYPE STRING,
STODT TYPE STRING,
FILLER TYPE STRING,
BUKRS TYPE STRING,
BETRW TYPE STRING,
BETRH TYPE STRING,
TWAER TYPE STRING,
HWAER TYPE STRING,
AUBEL TYPE STRING,
REFNR TYPE STRING,
XNABE TYPE STRING,
EXBEL_BETRH TYPE STRING,
EXBEL_BETRW TYPE STRING,
EARGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAR_DFKKREV06_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_EAR_DFKKREV06_STR-GITYP sy-vline 
WA_EAR_DFKKREV06_STR-REGIO sy-vline 
WA_EAR_DFKKREV06_STR-COUNC sy-vline 
WA_EAR_DFKKREV06_STR-GRICD sy-vline 
WA_EAR_DFKKREV06_STR-REPCLS sy-vline 
WA_EAR_DFKKREV06_STR-XBLNR sy-vline 
WA_EAR_DFKKREV06_STR-VMDAT sy-vline 
WA_EAR_DFKKREV06_STR-NAME_ORG1 sy-vline 
WA_EAR_DFKKREV06_STR-STCDT sy-vline 
WA_EAR_DFKKREV06_STR-TAXNUM sy-vline 
WA_EAR_DFKKREV06_STR-FITPR sy-vline 
WA_EAR_DFKKREV06_STR-TRANSFER sy-vline 
WA_EAR_DFKKREV06_STR-CANCEL sy-vline 
WA_EAR_DFKKREV06_STR-STODT sy-vline 
WA_EAR_DFKKREV06_STR-FILLER sy-vline 
WA_EAR_DFKKREV06_STR-BUKRS sy-vline 
WA_EAR_DFKKREV06_STR-BETRW sy-vline 
WA_EAR_DFKKREV06_STR-BETRH sy-vline 
WA_EAR_DFKKREV06_STR-TWAER sy-vline 
WA_EAR_DFKKREV06_STR-HWAER sy-vline 
WA_EAR_DFKKREV06_STR-AUBEL sy-vline 
WA_EAR_DFKKREV06_STR-REFNR sy-vline 
WA_EAR_DFKKREV06_STR-XNABE sy-vline 
WA_EAR_DFKKREV06_STR-EXBEL_BETRH sy-vline 
WA_EAR_DFKKREV06_STR-EXBEL_BETRW sy-vline 
WA_EAR_DFKKREV06_STR-EARGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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