ABAP Select data from SAP table ISRTAXITMBOXCONF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISRTAXITMBOXCONF
*  INTO TABLE @DATA(IT_ISRTAXITMBOXCONF2).
*--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_ISRTAXITMBOXCONF INDEX 1 INTO DATA(WA_ISRTAXITMBOXCONF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISRTAXITMBOXCONF>-MANDT = 1.
<ISRTAXITMBOXCONF>-COUNTRY = 1.
<ISRTAXITMBOXCONF>-TAXITEMGROUPINGVERSION = 1.
<ISRTAXITMBOXCONF>-TAXCODE = 1.
<ISRTAXITMBOXCONF>-TRANSACTIONTYPEDETERMINATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISRTAXITMBOXCONF-DEBITCREDITCODE, sy-vline,
  WA_ISRTAXITMBOXCONF-TAXBOX, sy-vline,
  WA_ISRTAXITMBOXCONF-TAXDECLNAMOUNTTYPE, sy-vline,
  WA_ISRTAXITMBOXCONF-TAXBOXSTRUCVALIDITYSTARTDATE, sy-vline,
  WA_ISRTAXITMBOXCONF-UNIFIEDTAXBOXSTRUCTURETYPE, sy-vline,
  WA_ISRTAXITMBOXCONF-TAXBOXSTRUCTURETYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISRTAXITMBOXCONF 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_ISRTAXITMBOXCONF 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_ISRTAXITMBOXCONF INTO WA_ISRTAXITMBOXCONF.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISRTAXITMBOXCONF_STR, 
MANDT TYPE STRING,
COUNTRY TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
DEBITCREDITCODE TYPE STRING,
TAXBOX TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
TAXBOXSTRUCVALIDITYSTARTDATE TYPE STRING,
UNIFIEDTAXBOXSTRUCTURETYPE TYPE STRING,
TAXBOXSTRUCTURETYPE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
TAXBOXSTRUCVALIDITYENDDATE TYPE STRING,
TAXBOXSTRUCTURE TYPE STRING,
TAXBOXSTRUCTURENAME TYPE STRING,
TAXBOXNAME TYPE STRING,
TAXBOXCONDITION TYPE STRING,
TAXGROUP TYPE STRING,
TAXRATE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
TAXGROUPOPERATION TYPE STRING,
TAXBOXAGGREGATIONOPERATION TYPE STRING,
TAXRATEVALIDITYSTARTDATE TYPE STRING,
TAXRATEVALIDITYENDDATE TYPE STRING,
SPECIALGLCODE TYPE STRING,
TAXCOUNTRY TYPE STRING,
TAXGROUPFREECLASSIFICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISRTAXITMBOXCONF_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_ISRTAXITMBOXCONF_STR-MANDT sy-vline 
WA_ISRTAXITMBOXCONF_STR-COUNTRY sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXCODE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_ISRTAXITMBOXCONF_STR-DEBITCREDITCODE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOX sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXSTRUCVALIDITYSTARTDATE sy-vline 
WA_ISRTAXITMBOXCONF_STR-UNIFIEDTAXBOXSTRUCTURETYPE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXSTRUCTURETYPE sy-vline 
WA_ISRTAXITMBOXCONF_STR-VALIDFROM sy-vline 
WA_ISRTAXITMBOXCONF_STR-VALIDTO sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXSTRUCVALIDITYENDDATE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXSTRUCTURE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXSTRUCTURENAME sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXNAME sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXCONDITION sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXGROUP sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXRATE sy-vline 
WA_ISRTAXITMBOXCONF_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_ISRTAXITMBOXCONF_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXGROUPOPERATION sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXBOXAGGREGATIONOPERATION sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXRATEVALIDITYSTARTDATE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXRATEVALIDITYENDDATE sy-vline 
WA_ISRTAXITMBOXCONF_STR-SPECIALGLCODE sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXCOUNTRY sy-vline 
WA_ISRTAXITMBOXCONF_STR-TAXGROUPFREECLASSIFICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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