ABAP Select data from SAP table FKKCZ_VATADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKCZ_VATADD
*  INTO TABLE @DATA(IT_FKKCZ_VATADD2).
*--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_FKKCZ_VATADD INDEX 1 INTO DATA(WA_FKKCZ_VATADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKCZ_VATADD>-MANDT = 1.
<FKKCZ_VATADD>-OPBEL = 1.
<FKKCZ_VATADD>-OPUPK = 1.
<FKKCZ_VATADD>-SEQNR = 1.
<FKKCZ_VATADD>-PROC_FLAG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKCZ_VATADD-MWSKZ, sy-vline,
  WA_FKKCZ_VATADD-STPRZ, sy-vline,
  WA_FKKCZ_VATADD-BLART, sy-vline,
  WA_FKKCZ_VATADD-VMDAT, sy-vline,
  WA_FKKCZ_VATADD-BUKRS, sy-vline,
  WA_FKKCZ_VATADD-SBASH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKCZ_VATADD 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_FKKCZ_VATADD 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_FKKCZ_VATADD INTO WA_FKKCZ_VATADD.


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

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

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

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

*Conversion exit ALPHA, internal->external for field REV_XBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKCZ_VATADD-REV_XBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKCZ_VATADD-REV_XBLNR.
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_FKKCZ_VATADD_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
OPUPK TYPE STRING,
SEQNR TYPE STRING,
PROC_FLAG TYPE STRING,
MWSKZ TYPE STRING,
STPRZ TYPE STRING,
BLART TYPE STRING,
VMDAT TYPE STRING,
BUKRS TYPE STRING,
SBASH TYPE STRING,
SBETH TYPE STRING,
HWAER TYPE STRING,
REP_SECT TYPE STRING,
VAT_NUMBER TYPE STRING,
XBLNR TYPE STRING,
GPART TYPE STRING,
ORIGIN TYPE STRING,
TRIG_DOC TYPE STRING,
XREVERSAL TYPE STRING,
REV_XBLNR TYPE STRING,
SUBJECT_CODE TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
UNAME TYPE STRING,
GJAHR TYPE STRING,
MONAT TYPE STRING,
RUNID TYPE STRING,
CORR_RUNID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKCZ_VATADD_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_FKKCZ_VATADD_STR-MANDT sy-vline 
WA_FKKCZ_VATADD_STR-OPBEL sy-vline 
WA_FKKCZ_VATADD_STR-OPUPK sy-vline 
WA_FKKCZ_VATADD_STR-SEQNR sy-vline 
WA_FKKCZ_VATADD_STR-PROC_FLAG sy-vline 
WA_FKKCZ_VATADD_STR-MWSKZ sy-vline 
WA_FKKCZ_VATADD_STR-STPRZ sy-vline 
WA_FKKCZ_VATADD_STR-BLART sy-vline 
WA_FKKCZ_VATADD_STR-VMDAT sy-vline 
WA_FKKCZ_VATADD_STR-BUKRS sy-vline 
WA_FKKCZ_VATADD_STR-SBASH sy-vline 
WA_FKKCZ_VATADD_STR-SBETH sy-vline 
WA_FKKCZ_VATADD_STR-HWAER sy-vline 
WA_FKKCZ_VATADD_STR-REP_SECT sy-vline 
WA_FKKCZ_VATADD_STR-VAT_NUMBER sy-vline 
WA_FKKCZ_VATADD_STR-XBLNR sy-vline 
WA_FKKCZ_VATADD_STR-GPART sy-vline 
WA_FKKCZ_VATADD_STR-ORIGIN sy-vline 
WA_FKKCZ_VATADD_STR-TRIG_DOC sy-vline 
WA_FKKCZ_VATADD_STR-XREVERSAL sy-vline 
WA_FKKCZ_VATADD_STR-REV_XBLNR sy-vline 
WA_FKKCZ_VATADD_STR-SUBJECT_CODE sy-vline 
WA_FKKCZ_VATADD_STR-CPUDT sy-vline 
WA_FKKCZ_VATADD_STR-CPUTM sy-vline 
WA_FKKCZ_VATADD_STR-UNAME sy-vline 
WA_FKKCZ_VATADD_STR-GJAHR sy-vline 
WA_FKKCZ_VATADD_STR-MONAT sy-vline 
WA_FKKCZ_VATADD_STR-RUNID sy-vline 
WA_FKKCZ_VATADD_STR-CORR_RUNID sy-vline      INTO ld_text SEPARATED BY SPACE.

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