ABAP Select data from SAP table J3RF_VATCRQ9 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J3RF_VATCRQ9 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 J3RF_VATCRQ9. 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 J3RF_VATCRQ9 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_J3RF_VATCRQ9 TYPE STANDARD TABLE OF J3RF_VATCRQ9,
      WA_J3RF_VATCRQ9 TYPE J3RF_VATCRQ9,
      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: <J3RF_VATCRQ9> TYPE J3RF_VATCRQ9.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J3RF_VATCRQ9.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J3RF_VATCRQ9
  INTO TABLE IT_J3RF_VATCRQ9.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J3RF_VATCRQ9
*  INTO TABLE @DATA(IT_J3RF_VATCRQ92).
*--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_J3RF_VATCRQ9 INDEX 1 INTO DATA(WA_J3RF_VATCRQ92).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J3RF_VATCRQ9 ASSIGNING <J3RF_VATCRQ9>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J3RF_VATCRQ9>-MANDT = 1.
<J3RF_VATCRQ9>-N1 = 1.
<J3RF_VATCRQ9>-GJAHR = 1.
<J3RF_VATCRQ9>-PERIOD = 1.
<J3RF_VATCRQ9>-CORR_NUM = 1.

ENDLOOP.

LOOP AT IT_J3RF_VATCRQ9 INTO WA_J3RF_VATCRQ9.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J3RF_VATCRQ9-NUM_LINE, sy-vline,
  WA_J3RF_VATCRQ9-FLAG_ADD, sy-vline,
  WA_J3RF_VATCRQ9-BUKRS, sy-vline,
  WA_J3RF_VATCRQ9-GJAHR_INV, sy-vline,
  WA_J3RF_VATCRQ9-BELNR_INV, sy-vline,
  WA_J3RF_VATCRQ9-GJAHR_TRN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J3RF_VATCRQ9 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_J3RF_VATCRQ9 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_J3RF_VATCRQ9 INTO WA_J3RF_VATCRQ9.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORR_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-CORR_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-CORR_NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_INV
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-GJAHR_INV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-GJAHR_INV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_INV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-BELNR_INV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-BELNR_INV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_TRN
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-GJAHR_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-GJAHR_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_TRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-BELNR_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-BELNR_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_PAY
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-GJAHR_PAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-GJAHR_PAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_PAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-BELNR_PAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-BELNR_PAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WRBTR_PAY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-WRBTR_PAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-WRBTR_PAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWBAS_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWBAS_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS5_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWBAS5_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWBAS5_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS2_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWBAS2_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWBAS2_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS3_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWBAS3_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWBAS3_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWSTE_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWSTE_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWSTE_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWSTE5_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWSTE5_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWSTE5_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWSTE2_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWSTE2_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWSTE2_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field HWBAS4_TRN
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-HWBAS4_TRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-HWBAS4_TRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J3RF_VATCRQ9-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J3RF_VATCRQ9-CUSTOMER.
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_J3RF_VATCRQ9_STR, 
MANDT TYPE STRING,
N1 TYPE STRING,
GJAHR TYPE STRING,
PERIOD TYPE STRING,
CORR_NUM TYPE STRING,
NUM_LINE TYPE STRING,
FLAG_ADD TYPE STRING,
BUKRS TYPE STRING,
GJAHR_INV TYPE STRING,
BELNR_INV TYPE STRING,
GJAHR_TRN TYPE STRING,
BELNR_TRN TYPE STRING,
GJAHR_PAY TYPE STRING,
BELNR_PAY TYPE STRING,
EXT_NUMBER TYPE STRING,
BLDAT_ORIG_INV TYPE STRING,
BLDAT_CORR_INV TYPE STRING,
EXT_NUMBER_CORR TYPE STRING,
BELNR_ORIG_REV TYPE STRING,
BLDAT_ORIG_REV TYPE STRING,
NUMBER_CORR_REV TYPE STRING,
BLDAT_CORR_REV TYPE STRING,
WRBTR_WRS_PAY TYPE STRING,
WRBTR_PAY TYPE STRING,
HWBAS_TRN TYPE STRING,
HWBAS_WRS_TRN TYPE STRING,
HWBAS5_TRN TYPE STRING,
HWBAS5_WRS_TRN TYPE STRING,
HWBAS2_TRN TYPE STRING,
HWBAS2_WRS_TRN TYPE STRING,
HWBAS3_TRN TYPE STRING,
HWBAS3_WRS_TRN TYPE STRING,
HWSTE_TRN TYPE STRING,
HWSTE_WRS_TRN TYPE STRING,
HWSTE5_TRN TYPE STRING,
HWSTE5_WRS_TRN TYPE STRING,
HWSTE2_TRN TYPE STRING,
HWSTE2_WRS_TRN TYPE STRING,
HWBAS4_TRN TYPE STRING,
HWBAS4_WRS_TRN TYPE STRING,
ERR_CODE TYPE STRING,
PAY_EXT_NUMBER TYPE STRING,
PAY_EXT_BLDAT TYPE STRING,
CUSTOMER TYPE STRING,
CUSTOMER_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J3RF_VATCRQ9_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_J3RF_VATCRQ9_STR-MANDT sy-vline 
WA_J3RF_VATCRQ9_STR-N1 sy-vline 
WA_J3RF_VATCRQ9_STR-GJAHR sy-vline 
WA_J3RF_VATCRQ9_STR-PERIOD sy-vline 
WA_J3RF_VATCRQ9_STR-CORR_NUM sy-vline 
WA_J3RF_VATCRQ9_STR-NUM_LINE sy-vline 
WA_J3RF_VATCRQ9_STR-FLAG_ADD sy-vline 
WA_J3RF_VATCRQ9_STR-BUKRS sy-vline 
WA_J3RF_VATCRQ9_STR-GJAHR_INV sy-vline 
WA_J3RF_VATCRQ9_STR-BELNR_INV sy-vline 
WA_J3RF_VATCRQ9_STR-GJAHR_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-BELNR_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-GJAHR_PAY sy-vline 
WA_J3RF_VATCRQ9_STR-BELNR_PAY sy-vline 
WA_J3RF_VATCRQ9_STR-EXT_NUMBER sy-vline 
WA_J3RF_VATCRQ9_STR-BLDAT_ORIG_INV sy-vline 
WA_J3RF_VATCRQ9_STR-BLDAT_CORR_INV sy-vline 
WA_J3RF_VATCRQ9_STR-EXT_NUMBER_CORR sy-vline 
WA_J3RF_VATCRQ9_STR-BELNR_ORIG_REV sy-vline 
WA_J3RF_VATCRQ9_STR-BLDAT_ORIG_REV sy-vline 
WA_J3RF_VATCRQ9_STR-NUMBER_CORR_REV sy-vline 
WA_J3RF_VATCRQ9_STR-BLDAT_CORR_REV sy-vline 
WA_J3RF_VATCRQ9_STR-WRBTR_WRS_PAY sy-vline 
WA_J3RF_VATCRQ9_STR-WRBTR_PAY sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS5_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS5_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS2_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS2_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS3_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS3_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWSTE_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWSTE_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWSTE5_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWSTE5_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWSTE2_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWSTE2_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS4_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-HWBAS4_WRS_TRN sy-vline 
WA_J3RF_VATCRQ9_STR-ERR_CODE sy-vline 
WA_J3RF_VATCRQ9_STR-PAY_EXT_NUMBER sy-vline 
WA_J3RF_VATCRQ9_STR-PAY_EXT_BLDAT sy-vline 
WA_J3RF_VATCRQ9_STR-CUSTOMER sy-vline 
WA_J3RF_VATCRQ9_STR-CUSTOMER_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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