ABAP Select data from SAP table FIAR_DAILY_VAT_PRINT_DOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIAR_DAILY_VAT_PRINT_DOC
*  INTO TABLE @DATA(IT_FIAR_DAILY_VAT_PRINT_DOC2).
*--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_FIAR_DAILY_VAT_PRINT_DOC INDEX 1 INTO DATA(WA_FIAR_DAILY_VAT_PRINT_DOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIAR_DAILY_VAT_PRINT_DOC>-ACCOUNTING_DOCUMENT = 1.
<FIAR_DAILY_VAT_PRINT_DOC>-POSTING_DATE = 1.
<FIAR_DAILY_VAT_PRINT_DOC>-BRANCH_NUMBER = 1.
<FIAR_DAILY_VAT_PRINT_DOC>-BUSINESS_PARTNER_NAME = 1.
<FIAR_DAILY_VAT_PRINT_DOC>-TAX_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIAR_DAILY_VAT_PRINT_DOC-TAX_NUMBER, sy-vline,
  WA_FIAR_DAILY_VAT_PRINT_DOC-DOCUMENT_DATE, sy-vline,
  WA_FIAR_DAILY_VAT_PRINT_DOC-REFERENCE_DOC_NUMBER, sy-vline,
  WA_FIAR_DAILY_VAT_PRINT_DOC-OFFICIAL_DOC_TYPE, sy-vline,
  WA_FIAR_DAILY_VAT_PRINT_DOC-OFFICIAL_DOC_TYPE_DESC, sy-vline,
  WA_FIAR_DAILY_VAT_PRINT_DOC-PRINT_CHARACTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIAR_DAILY_VAT_PRINT_DOC 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_FIAR_DAILY_VAT_PRINT_DOC 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_FIAR_DAILY_VAT_PRINT_DOC INTO WA_FIAR_DAILY_VAT_PRINT_DOC.


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

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

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

*Conversion exit AU132, internal->external for field MUNICIPAL_TAX_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FIAR_DAILY_VAT_PRINT_DOC-MUNICIPAL_TAX_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAR_DAILY_VAT_PRINT_DOC-MUNICIPAL_TAX_AMOUNT.
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_FIAR_DAILY_VAT_PRINT_DOC_STR, 
ACCOUNTING_DOCUMENT TYPE STRING,
POSTING_DATE TYPE STRING,
BRANCH_NUMBER TYPE STRING,
BUSINESS_PARTNER_NAME TYPE STRING,
TAX_TYPE TYPE STRING,
TAX_NUMBER TYPE STRING,
DOCUMENT_DATE TYPE STRING,
REFERENCE_DOC_NUMBER TYPE STRING,
OFFICIAL_DOC_TYPE TYPE STRING,
OFFICIAL_DOC_TYPE_DESC TYPE STRING,
PRINT_CHARACTER TYPE STRING,
OFFICIAL_DOCUMENT_NUMBER TYPE STRING,
DOCUMENT_AMOUNT TYPE STRING,
TOTAL_AMOUNT TYPE STRING,
TAXED_BASE_AMOUNT TYPE STRING,
NOT_TAXED_BASE_AMOUNT TYPE STRING,
EXEMPTED_BASE_AMOUNT TYPE STRING,
EXPORT_IMPORT_AMOUNT TYPE STRING,
RESPONSIBLE_REG_TAX_AMT TYPE STRING,
RESPONSIBLE_NOTREG_TAX_AMT TYPE STRING,
PERCEPTION_TAX_AMOUNT TYPE STRING,
PROVINCIAL_TAX_AMOUNT TYPE STRING,
MUNICIPAL_TAX_AMOUNT TYPE STRING,
OTHER_TAX_AMOUNT TYPE STRING,
PRINT_AUTHORIZATION_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIAR_DAILY_VAT_PRINT_DOC_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_FIAR_DAILY_VAT_PRINT_DOC_STR-ACCOUNTING_DOCUMENT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-POSTING_DATE sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-BRANCH_NUMBER sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-BUSINESS_PARTNER_NAME sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-TAX_TYPE sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-TAX_NUMBER sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-DOCUMENT_DATE sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-REFERENCE_DOC_NUMBER sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-OFFICIAL_DOC_TYPE sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-OFFICIAL_DOC_TYPE_DESC sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-PRINT_CHARACTER sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-OFFICIAL_DOCUMENT_NUMBER sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-DOCUMENT_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-TOTAL_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-TAXED_BASE_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-NOT_TAXED_BASE_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-EXEMPTED_BASE_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-EXPORT_IMPORT_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-RESPONSIBLE_REG_TAX_AMT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-RESPONSIBLE_NOTREG_TAX_AMT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-PERCEPTION_TAX_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-PROVINCIAL_TAX_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-MUNICIPAL_TAX_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-OTHER_TAX_AMOUNT sy-vline 
WA_FIAR_DAILY_VAT_PRINT_DOC_STR-PRINT_AUTHORIZATION_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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