ABAP Select data from SAP table GTCN_FPM_S_UPLOAD_PROC_LIST 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_S_UPLOAD_PROC_LIST 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_S_UPLOAD_PROC_LIST. 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_S_UPLOAD_PROC_LIST 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_S_UPLOAD_PROC_LIST TYPE STANDARD TABLE OF GTCN_FPM_S_UPLOAD_PROC_LIST,
      WA_GTCN_FPM_S_UPLOAD_PROC_LIST TYPE GTCN_FPM_S_UPLOAD_PROC_LIST,
      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_S_UPLOAD_PROC_LIST> TYPE GTCN_FPM_S_UPLOAD_PROC_LIST.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GTCN_FPM_S_UPLOAD_PROC_LIST
*  INTO TABLE @DATA(IT_GTCN_FPM_S_UPLOAD_PROC_LIST2).
*--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_S_UPLOAD_PROC_LIST INDEX 1 INTO DATA(WA_GTCN_FPM_S_UPLOAD_PROC_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GTCN_FPM_S_UPLOAD_PROC_LIST>-COMPANY_CODE = 1.
<GTCN_FPM_S_UPLOAD_PROC_LIST>-FILE_ID = 1.
<GTCN_FPM_S_UPLOAD_PROC_LIST>-INVOICE_NO = 1.
<GTCN_FPM_S_UPLOAD_PROC_LIST>-CUST_DECL_DOC_NO = 1.
<GTCN_FPM_S_UPLOAD_PROC_LIST>-HS_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GTCN_FPM_S_UPLOAD_PROC_LIST-REFUND_ID, sy-vline,
  WA_GTCN_FPM_S_UPLOAD_PROC_LIST-BATCH_ID, sy-vline,
  WA_GTCN_FPM_S_UPLOAD_PROC_LIST-PERIOD, sy-vline,
  WA_GTCN_FPM_S_UPLOAD_PROC_LIST-SEQ_NO, sy-vline,
  WA_GTCN_FPM_S_UPLOAD_PROC_LIST-EXPORT_DATE, sy-vline,
  WA_GTCN_FPM_S_UPLOAD_PROC_LIST-AMT_USD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GTCN_FPM_S_UPLOAD_PROC_LIST 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_S_UPLOAD_PROC_LIST 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_S_UPLOAD_PROC_LIST INTO WA_GTCN_FPM_S_UPLOAD_PROC_LIST.


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

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

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

*Conversion exit SSTAT, internal->external for field VERIF_DOC_STATUS
CALL FUNCTION 'CONVERSION_EXIT_SSTAT_OUTPUT'
  EXPORTING
    input =                      WA_GTCN_FPM_S_UPLOAD_PROC_LIST-VERIF_DOC_STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GTCN_FPM_S_UPLOAD_PROC_LIST-VERIF_DOC_STATUS.
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_S_UPLOAD_PROC_LIST_STR, 
COMPANY_CODE TYPE STRING,
FILE_ID TYPE STRING,
INVOICE_NO TYPE STRING,
CUST_DECL_DOC_NO TYPE STRING,
HS_CODE TYPE STRING,
REFUND_ID TYPE STRING,
BATCH_ID TYPE STRING,
PERIOD TYPE STRING,
SEQ_NO TYPE STRING,
EXPORT_DATE TYPE STRING,
AMT_USD TYPE STRING,
AMT_USD_CUR TYPE STRING,
FISCAL_YEAR TYPE STRING,
FISCAL_PERIOD TYPE STRING,
UNIT TYPE STRING,
DECLARED_QTY TYPE STRING,
TAXREF_QTY TYPE STRING,
TAXREF_UNIT_PRICE TYPE STRING,
TAXREF_BASE_AMT TYPE STRING,
VAT_TAXREF_AMT TYPE STRING,
XFS_TAXREF_AMT TYPE STRING,
TAXREF_RATE TYPE STRING,
OPERATOR_NAME TYPE STRING,
TAXREF_DATE TYPE STRING,
FILE_STATUS TYPE STRING,
CATEGORY TYPE STRING,
VERIF_DOC_STATUS TYPE STRING,
TAXREF_AMT TYPE STRING,
CATEGORY_NM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GTCN_FPM_S_UPLOAD_PROC_LIST_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_S_UPLOAD_PROC_LIST_STR-COMPANY_CODE sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-FILE_ID sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-INVOICE_NO sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-CUST_DECL_DOC_NO sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-HS_CODE sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-REFUND_ID sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-BATCH_ID sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-PERIOD sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-SEQ_NO sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-EXPORT_DATE sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-AMT_USD sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-AMT_USD_CUR sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-FISCAL_YEAR sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-FISCAL_PERIOD sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-UNIT sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-DECLARED_QTY sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-TAXREF_QTY sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-TAXREF_UNIT_PRICE sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-TAXREF_BASE_AMT sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-VAT_TAXREF_AMT sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-XFS_TAXREF_AMT sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-TAXREF_RATE sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-OPERATOR_NAME sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-TAXREF_DATE sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-FILE_STATUS sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-CATEGORY sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-VERIF_DOC_STATUS sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-TAXREF_AMT sy-vline 
WA_GTCN_FPM_S_UPLOAD_PROC_LIST_STR-CATEGORY_NM sy-vline      INTO ld_text SEPARATED BY SPACE.

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