ABAP Select data from SAP table TYPE_TAB_FILE_OUTPUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TYPE_TAB_FILE_OUTPUT
*  INTO TABLE @DATA(IT_TYPE_TAB_FILE_OUTPUT2).
*--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_TYPE_TAB_FILE_OUTPUT INDEX 1 INTO DATA(WA_TYPE_TAB_FILE_OUTPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TYPE_TAB_FILE_OUTPUT>-BELNR = 1.
<TYPE_TAB_FILE_OUTPUT>-VEN_TYPE = 1.
<TYPE_TAB_FILE_OUTPUT>-TRANSACTION_TYPE = 1.
<TYPE_TAB_FILE_OUTPUT>-STCD1 = 1.
<TYPE_TAB_FILE_OUTPUT>-STCD2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TYPE_TAB_FILE_OUTPUT-STENR, sy-vline,
  WA_TYPE_TAB_FILE_OUTPUT-LAND1, sy-vline,
  WA_TYPE_TAB_FILE_OUTPUT-COUNTRY, sy-vline,
  WA_TYPE_TAB_FILE_OUTPUT-NAME1, sy-vline,
  WA_TYPE_TAB_FILE_OUTPUT-PAID_AMT, sy-vline,
  WA_TYPE_TAB_FILE_OUTPUT-VAT_WH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TYPE_TAB_FILE_OUTPUT 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_TYPE_TAB_FILE_OUTPUT 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_TYPE_TAB_FILE_OUTPUT INTO WA_TYPE_TAB_FILE_OUTPUT.


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

*Conversion exit AU132, internal->external for field PAID_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-PAID_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-PAID_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field VAT_WH
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-VAT_WH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-VAT_WH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 15_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-15_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-15_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 15_NON_CREDIT_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-15_NON_CREDIT_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-15_NON_CREDIT_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 10_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-10_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-10_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 10_TAX_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-10_TAX_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-10_TAX_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 15_IMPORT_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-15_IMPORT_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-15_IMPORT_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 15_IMPORT_TAX_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-15_IMPORT_TAX_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-15_IMPORT_TAX_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 10_IMPORT_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-10_IMPORT_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-10_IMPORT_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 10_IMPORT_TAX_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-10_IMPORT_TAX_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-10_IMPORT_TAX_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field VAT_EXEMPT_IMPORT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-VAT_EXEMPT_IMPORT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-VAT_EXEMPT_IMPORT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 0_VAT_IMPORT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-0_VAT_IMPORT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-0_VAT_IMPORT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field VAT_EXEMPT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-VAT_EXEMPT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-VAT_EXEMPT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field VAT_WITHHELD
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-VAT_WITHHELD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-VAT_WITHHELD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field VAT_RETURN
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-VAT_RETURN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-VAT_RETURN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 15_OR_16_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-15_OR_16_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-15_OR_16_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 10_OR_11_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-10_OR_11_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-10_OR_11_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 8_BASE_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-8_BASE_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-8_BASE_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field 8_NON_CREDIT_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_TYPE_TAB_FILE_OUTPUT-8_NON_CREDIT_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYPE_TAB_FILE_OUTPUT-8_NON_CREDIT_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_TYPE_TAB_FILE_OUTPUT_STR, 
BELNR TYPE STRING,
VEN_TYPE TYPE STRING,
TRANSACTION_TYPE TYPE STRING,
STCD1 TYPE STRING,
STCD2 TYPE STRING,
STENR TYPE STRING,
LAND1 TYPE STRING,
COUNTRY TYPE STRING,
NAME1 TYPE STRING,
PAID_AMT TYPE STRING,
VAT_WH TYPE STRING,
BASGRUNO TYPE STRING,
15_BASE_AMT TYPE STRING,
15_NON_CREDIT_AMT TYPE STRING,
10_BASE_AMT TYPE STRING,
10_TAX_AMT TYPE STRING,
15_IMPORT_BASE_AMT TYPE STRING,
15_IMPORT_TAX_AMT TYPE STRING,
10_IMPORT_BASE_AMT TYPE STRING,
10_IMPORT_TAX_AMT TYPE STRING,
VAT_EXEMPT_IMPORT TYPE STRING,
0_VAT_IMPORT TYPE STRING,
VAT_EXEMPT TYPE STRING,
VAT_WITHHELD TYPE STRING,
VAT_RETURN TYPE STRING,
15_OR_16_BASE_AMT TYPE STRING,
10_OR_11_BASE_AMT TYPE STRING,
8_BASE_AMT TYPE STRING,
8_NON_CREDIT_AMT TYPE STRING,
TAX_INDICATOR TYPE STRING,
BLART TYPE STRING,
XBLNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TYPE_TAB_FILE_OUTPUT_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_TYPE_TAB_FILE_OUTPUT_STR-BELNR sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-VEN_TYPE sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-TRANSACTION_TYPE sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-STCD1 sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-STCD2 sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-STENR sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-LAND1 sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-COUNTRY sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-NAME1 sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-PAID_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-VAT_WH sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-BASGRUNO sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-15_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-15_NON_CREDIT_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-10_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-10_TAX_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-15_IMPORT_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-15_IMPORT_TAX_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-10_IMPORT_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-10_IMPORT_TAX_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-VAT_EXEMPT_IMPORT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-0_VAT_IMPORT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-VAT_EXEMPT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-VAT_WITHHELD sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-VAT_RETURN sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-15_OR_16_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-10_OR_11_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-8_BASE_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-8_NON_CREDIT_AMT sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-TAX_INDICATOR sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-BLART sy-vline 
WA_TYPE_TAB_FILE_OUTPUT_STR-XBLNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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