ABAP Select data from SAP table FKKID_ACCU_TAX_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKID_ACCU_TAX_V
*  INTO TABLE @DATA(IT_FKKID_ACCU_TAX_V2).
*--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_FKKID_ACCU_TAX_V INDEX 1 INTO DATA(WA_FKKID_ACCU_TAX_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKID_ACCU_TAX_V>-MANDT = 1.
<FKKID_ACCU_TAX_V>-DOCTY = 1.
<FKKID_ACCU_TAX_V>-DOCNR = 1.
<FKKID_ACCU_TAX_V>-SEQNR = 1.
<FKKID_ACCU_TAX_V>-GPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKID_ACCU_TAX_V-BUDAT, sy-vline,
  WA_FKKID_ACCU_TAX_V-BLDAT, sy-vline,
  WA_FKKID_ACCU_TAX_V-BUKRS, sy-vline,
  WA_FKKID_ACCU_TAX_V-MWSKZ, sy-vline,
  WA_FKKID_ACCU_TAX_V-KTOSL, sy-vline,
  WA_FKKID_ACCU_TAX_V-KSCHL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKID_ACCU_TAX_V 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_FKKID_ACCU_TAX_V 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_FKKID_ACCU_TAX_V INTO WA_FKKID_ACCU_TAX_V.


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

*Conversion exit AC152, internal->external for field ACCUM_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_ACCU_TAX_V-ACCUM_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_ACCU_TAX_V-ACCUM_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field THLD_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_ACCU_TAX_V-THLD_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_ACCU_TAX_V-THLD_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ACCUM_BASE_AMT_FI
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_ACCU_TAX_V-ACCUM_BASE_AMT_FI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_ACCU_TAX_V-ACCUM_BASE_AMT_FI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field ACCUM_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_ACCU_TAX_V-ACCUM_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_ACCU_TAX_V-ACCUM_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TAX_AMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FKKID_ACCU_TAX_V-TAX_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKID_ACCU_TAX_V-TAX_AMT.
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_FKKID_ACCU_TAX_V_STR, 
MANDT TYPE STRING,
DOCTY TYPE STRING,
DOCNR TYPE STRING,
SEQNR TYPE STRING,
GPART TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
BUKRS TYPE STRING,
MWSKZ TYPE STRING,
KTOSL TYPE STRING,
KSCHL TYPE STRING,
SBASH TYPE STRING,
BETRH TYPE STRING,
ORIG_BASE_AMT TYPE STRING,
ACCUM_BASE_AMT TYPE STRING,
STPRZ TYPE STRING,
DOCTY_REF TYPE STRING,
DOCNR_REF TYPE STRING,
SEQNR_REF TYPE STRING,
THLD_CAT TYPE STRING,
VALID_FROM TYPE STRING,
SELLER_PAN TYPE STRING,
BUYER_IDTYPE TYPE STRING,
BUYER_ID TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
THLD_AMT TYPE STRING,
ITM_ORIGIN TYPE STRING,
ACCUM_BASE_AMT_FI TYPE STRING,
SBASW TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
ACCUM_AMT TYPE STRING,
TAX_AMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKID_ACCU_TAX_V_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_FKKID_ACCU_TAX_V_STR-MANDT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-DOCTY sy-vline 
WA_FKKID_ACCU_TAX_V_STR-DOCNR sy-vline 
WA_FKKID_ACCU_TAX_V_STR-SEQNR sy-vline 
WA_FKKID_ACCU_TAX_V_STR-GPART sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BUDAT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BLDAT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BUKRS sy-vline 
WA_FKKID_ACCU_TAX_V_STR-MWSKZ sy-vline 
WA_FKKID_ACCU_TAX_V_STR-KTOSL sy-vline 
WA_FKKID_ACCU_TAX_V_STR-KSCHL sy-vline 
WA_FKKID_ACCU_TAX_V_STR-SBASH sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BETRH sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ORIG_BASE_AMT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ACCUM_BASE_AMT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-STPRZ sy-vline 
WA_FKKID_ACCU_TAX_V_STR-DOCTY_REF sy-vline 
WA_FKKID_ACCU_TAX_V_STR-DOCNR_REF sy-vline 
WA_FKKID_ACCU_TAX_V_STR-SEQNR_REF sy-vline 
WA_FKKID_ACCU_TAX_V_STR-THLD_CAT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-VALID_FROM sy-vline 
WA_FKKID_ACCU_TAX_V_STR-SELLER_PAN sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BUYER_IDTYPE sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BUYER_ID sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ERNAM sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ERDAT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ERZEIT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-THLD_AMT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ITM_ORIGIN sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ACCUM_BASE_AMT_FI sy-vline 
WA_FKKID_ACCU_TAX_V_STR-SBASW sy-vline 
WA_FKKID_ACCU_TAX_V_STR-BETRW sy-vline 
WA_FKKID_ACCU_TAX_V_STR-WAERS sy-vline 
WA_FKKID_ACCU_TAX_V_STR-ACCUM_AMT sy-vline 
WA_FKKID_ACCU_TAX_V_STR-TAX_AMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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