ABAP Select data from SAP table FIRU_S_VATCRQ_XML_APP_NOSB_M into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIRU_S_VATCRQ_XML_APP_NOSB_M
*  INTO TABLE @DATA(IT_FIRU_S_VATCRQ_XML_APP_NOSB_M2).
*--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_FIRU_S_VATCRQ_XML_APP_NOSB_M INDEX 1 INTO DATA(WA_FIRU_S_VATCRQ_XML_APP_NOSB_M2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIRU_S_VATCRQ_XML_APP_NOSB_M>-GJAHR = 1.
<FIRU_S_VATCRQ_XML_APP_NOSB_M>-PERIOD = 1.
<FIRU_S_VATCRQ_XML_APP_NOSB_M>-CORR_NUM = 1.
<FIRU_S_VATCRQ_XML_APP_NOSB_M>-NUM_LINE = 1.
<FIRU_S_VATCRQ_XML_APP_NOSB_M>-IDX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-IDX2, sy-vline,
  WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-NAME, sy-vline,
  WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-INN_UL, sy-vline,
  WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-KPP_UL, sy-vline,
  WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-INN_FL, sy-vline,
  WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-LAST_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIRU_S_VATCRQ_XML_APP_NOSB_M 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_FIRU_S_VATCRQ_XML_APP_NOSB_M 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_FIRU_S_VATCRQ_XML_APP_NOSB_M INTO WA_FIRU_S_VATCRQ_XML_APP_NOSB_M.


*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_FIRU_S_VATCRQ_XML_APP_NOSB_M-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit AC152, internal->external for field DMBTR_PAY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-DMBTR_PAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIRU_S_VATCRQ_XML_APP_NOSB_M-DMBTR_PAY.
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_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR, 
GJAHR TYPE STRING,
PERIOD TYPE STRING,
CORR_NUM TYPE STRING,
NUM_LINE TYPE STRING,
IDX TYPE STRING,
IDX2 TYPE STRING,
NAME TYPE STRING,
INN_UL TYPE STRING,
KPP_UL TYPE STRING,
INN_FL TYPE STRING,
LAST_NAME TYPE STRING,
MIDDLE_NAME TYPE STRING,
FIRST_NAME TYPE STRING,
AGENT_NAME TYPE STRING,
AGENT_INN_UL TYPE STRING,
AGENT_KPP_UL TYPE STRING,
AGENT_INN_FL TYPE STRING,
AGENT_LAST_NAME TYPE STRING,
AGENT_MIDDLE_NAME TYPE STRING,
AGENT_FIRST_NAME TYPE STRING,
EXT_NUMBER TYPE STRING,
BLDAT_ORIG_INV TYPE STRING,
BUKRS TYPE STRING,
BELNR_INV TYPE STRING,
GJAHR_INV TYPE STRING,
WRBTR_PAY TYPE STRING,
DMBTR_PAY TYPE STRING,
WAERS TYPE STRING,
OPER_TYP TYPE STRING,
SECT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_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_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-GJAHR sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-PERIOD sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-CORR_NUM sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-NUM_LINE sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-IDX sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-IDX2 sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-INN_UL sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-KPP_UL sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-INN_FL sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-LAST_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-MIDDLE_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-FIRST_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_INN_UL sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_KPP_UL sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_INN_FL sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_LAST_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_MIDDLE_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-AGENT_FIRST_NAME sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-EXT_NUMBER sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-BLDAT_ORIG_INV sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-BUKRS sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-BELNR_INV sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-GJAHR_INV sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-WRBTR_PAY sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-DMBTR_PAY sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-WAERS sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-OPER_TYP sy-vline 
WA_FIRU_S_VATCRQ_XML_APP_NOSB_M_STR-SECT sy-vline      INTO ld_text SEPARATED BY SPACE.

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