ABAP Select data from SAP table FISEXTAXBLOCKPRO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FISEXTAXBLOCKPRO
*  INTO TABLE @DATA(IT_FISEXTAXBLOCKPRO2).
*--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_FISEXTAXBLOCKPRO INDEX 1 INTO DATA(WA_FISEXTAXBLOCKPRO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FISEXTAXBLOCKPRO>-MANDT = 1.
<FISEXTAXBLOCKPRO>-UNIQUEKEY = 1.
<FISEXTAXBLOCKPRO>-EXTERNALDOC = 1.
<FISEXTAXBLOCKPRO>-DOCUMENTNUMBER = 1.
<FISEXTAXBLOCKPRO>-DOCUMENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FISEXTAXBLOCKPRO-COMPANYCODE, sy-vline,
  WA_FISEXTAXBLOCKPRO-FISCALYEAR, sy-vline,
  WA_FISEXTAXBLOCKPRO-PROCESSDATE, sy-vline,
  WA_FISEXTAXBLOCKPRO-STATUS, sy-vline,
  WA_FISEXTAXBLOCKPRO-ERRORCODE, sy-vline,
  WA_FISEXTAXBLOCKPRO-ERRORLINE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FISEXTAXBLOCKPRO 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_FISEXTAXBLOCKPRO 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_FISEXTAXBLOCKPRO INTO WA_FISEXTAXBLOCKPRO.


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

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

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FISEXTAXBLOCKPRO-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FISEXTAXBLOCKPRO-BELNR.
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_FISEXTAXBLOCKPRO_STR, 
MANDT TYPE STRING,
UNIQUEKEY TYPE STRING,
EXTERNALDOC TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
PROCESSDATE TYPE STRING,
STATUS TYPE STRING,
ERRORCODE TYPE STRING,
ERRORLINE TYPE STRING,
ERRMESSAGE TYPE STRING,
USERNAME TYPE STRING,
ORGANIZATIONUNIT TYPE STRING,
DOCUMENTSTATUS TYPE STRING,
HIGHLIGHT TYPE STRING,
ERROR TYPE STRING,
BELNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FISEXTAXBLOCKPRO_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_FISEXTAXBLOCKPRO_STR-MANDT sy-vline 
WA_FISEXTAXBLOCKPRO_STR-UNIQUEKEY sy-vline 
WA_FISEXTAXBLOCKPRO_STR-EXTERNALDOC sy-vline 
WA_FISEXTAXBLOCKPRO_STR-DOCUMENTNUMBER sy-vline 
WA_FISEXTAXBLOCKPRO_STR-DOCUMENTTYPE sy-vline 
WA_FISEXTAXBLOCKPRO_STR-COMPANYCODE sy-vline 
WA_FISEXTAXBLOCKPRO_STR-FISCALYEAR sy-vline 
WA_FISEXTAXBLOCKPRO_STR-PROCESSDATE sy-vline 
WA_FISEXTAXBLOCKPRO_STR-STATUS sy-vline 
WA_FISEXTAXBLOCKPRO_STR-ERRORCODE sy-vline 
WA_FISEXTAXBLOCKPRO_STR-ERRORLINE sy-vline 
WA_FISEXTAXBLOCKPRO_STR-ERRMESSAGE sy-vline 
WA_FISEXTAXBLOCKPRO_STR-USERNAME sy-vline 
WA_FISEXTAXBLOCKPRO_STR-ORGANIZATIONUNIT sy-vline 
WA_FISEXTAXBLOCKPRO_STR-DOCUMENTSTATUS sy-vline 
WA_FISEXTAXBLOCKPRO_STR-HIGHLIGHT sy-vline 
WA_FISEXTAXBLOCKPRO_STR-ERROR sy-vline 
WA_FISEXTAXBLOCKPRO_STR-BELNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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