ABAP Select data from SAP table GTCN_FPM_REFUND_L_REPORT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GTCN_FPM_REFUND_L_REPORT
*  INTO TABLE @DATA(IT_GTCN_FPM_REFUND_L_REPORT2).
*--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_GTCN_FPM_REFUND_L_REPORT INDEX 1 INTO DATA(WA_GTCN_FPM_REFUND_L_REPORT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GTCN_FPM_REFUND_L_REPORT>-STATUS = 1.
<GTCN_FPM_REFUND_L_REPORT>-LIFNR = 1.
<GTCN_FPM_REFUND_L_REPORT>-NAME1_VD = 1.
<GTCN_FPM_REFUND_L_REPORT>-VBELN_VD = 1.
<GTCN_FPM_REFUND_L_REPORT>-VAT_INVC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GTCN_FPM_REFUND_L_REPORT-XBLNR, sy-vline,
  WA_GTCN_FPM_REFUND_L_REPORT-BLDAT, sy-vline,
  WA_GTCN_FPM_REFUND_L_REPORT-POSNR_VD, sy-vline,
  WA_GTCN_FPM_REFUND_L_REPORT-MATNR, sy-vline,
  WA_GTCN_FPM_REFUND_L_REPORT-MAKTX, sy-vline,
  WA_GTCN_FPM_REFUND_L_REPORT-INVOICE_QTY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GTCN_FPM_REFUND_L_REPORT 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_GTCN_FPM_REFUND_L_REPORT 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_GTCN_FPM_REFUND_L_REPORT INTO WA_GTCN_FPM_REFUND_L_REPORT.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_GTCN_FPM_REFUND_L_REPORT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GTCN_FPM_REFUND_L_REPORT-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR_EX
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_GTCN_FPM_REFUND_L_REPORT-MATNR_EX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GTCN_FPM_REFUND_L_REPORT-MATNR_EX.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field FISCAL_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_GTCN_FPM_REFUND_L_REPORT-FISCAL_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GTCN_FPM_REFUND_L_REPORT-FISCAL_YEAR.
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_GTCN_FPM_REFUND_L_REPORT_STR, 
STATUS TYPE STRING,
LIFNR TYPE STRING,
NAME1_VD TYPE STRING,
VBELN_VD TYPE STRING,
VAT_INVC TYPE STRING,
XBLNR TYPE STRING,
BLDAT TYPE STRING,
POSNR_VD TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
INVOICE_QTY TYPE STRING,
INVOICE_QTY_BUOM TYPE STRING,
REMAINING_QTY TYPE STRING,
REMAINING_QTY_BUOM TYPE STRING,
MEINS TYPE STRING,
CLAIMED_QTY TYPE STRING,
CLAIMED_UOM TYPE STRING,
CLAIMED_QTY_SUOM TYPE STRING,
CLAIMED_QTY_PUOM TYPE STRING,
INVOICE_AMT TYPE STRING,
WAERS TYPE STRING,
TAX_AMT TYPE STRING,
VAT_REFUND_RATE TYPE STRING,
VAT_REFUND_AMT TYPE STRING,
CT_REFUND_RATE TYPE STRING,
CT_REFUND_AMT TYPE STRING,
FOREGIN_EX_COST TYPE STRING,
VD_INVOICE_QTY TYPE STRING,
VD_INVOICE_QTY_BUOM TYPE STRING,
KUNNR TYPE STRING,
NAME1_CU TYPE STRING,
VBELN_EX TYPE STRING,
POSNR_EX TYPE STRING,
DATE_EX TYPE STRING,
UNIQUE_ID TYPE STRING,
REF_DOC_TYPE TYPE STRING,
VENDOR_INV_YEAR TYPE STRING,
REFUND_LIST_ID TYPE STRING,
MATNR_EX TYPE STRING,
MEINS_EX TYPE STRING,
INVOICE_AMT_EX TYPE STRING,
WAERS_EX TYPE STRING,
CHARG TYPE STRING,
BLOCK_FLAG TYPE STRING,
MAKTX_EX TYPE STRING,
STATUS_TOOLTIP TYPE STRING,
WERKS_EX TYPE STRING,
WERKS_VD TYPE STRING,
RATE_UNIT TYPE STRING,
VAT_NAV_ID TYPE STRING,
ITEM_STATUS TYPE STRING,
FISCAL_PERIOD TYPE STRING,
FISCAL_YEAR TYPE STRING,
BLOCK_REASON_CODE_DES TYPE STRING,
REF_DOC_TYPE_DESC TYPE STRING,
COMPANY_CODE TYPE STRING,
REFUND_LIST_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GTCN_FPM_REFUND_L_REPORT_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_GTCN_FPM_REFUND_L_REPORT_STR-STATUS sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-LIFNR sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-NAME1_VD sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VBELN_VD sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VAT_INVC sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-XBLNR sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-BLDAT sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-POSNR_VD sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-MATNR sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-MAKTX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-INVOICE_QTY sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-INVOICE_QTY_BUOM sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-REMAINING_QTY sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-REMAINING_QTY_BUOM sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-MEINS sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CLAIMED_QTY sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CLAIMED_UOM sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CLAIMED_QTY_SUOM sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CLAIMED_QTY_PUOM sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-INVOICE_AMT sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-WAERS sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-TAX_AMT sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VAT_REFUND_RATE sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VAT_REFUND_AMT sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CT_REFUND_RATE sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CT_REFUND_AMT sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-FOREGIN_EX_COST sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VD_INVOICE_QTY sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VD_INVOICE_QTY_BUOM sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-KUNNR sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-NAME1_CU sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VBELN_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-POSNR_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-DATE_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-UNIQUE_ID sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-REF_DOC_TYPE sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VENDOR_INV_YEAR sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-REFUND_LIST_ID sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-MATNR_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-MEINS_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-INVOICE_AMT_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-WAERS_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-CHARG sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-BLOCK_FLAG sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-MAKTX_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-STATUS_TOOLTIP sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-WERKS_EX sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-WERKS_VD sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-RATE_UNIT sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-VAT_NAV_ID sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-ITEM_STATUS sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-FISCAL_PERIOD sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-FISCAL_YEAR sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-BLOCK_REASON_CODE_DES sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-REF_DOC_TYPE_DESC sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-COMPANY_CODE sy-vline 
WA_GTCN_FPM_REFUND_L_REPORT_STR-REFUND_LIST_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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