ABAP Select data from SAP table ACC_TTE_BILL_TAX_ELEMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACC_TTE_BILL_TAX_ELEMENT
*  INTO TABLE @DATA(IT_ACC_TTE_BILL_TAX_ELEMENT2).
*--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_ACC_TTE_BILL_TAX_ELEMENT INDEX 1 INTO DATA(WA_ACC_TTE_BILL_TAX_ELEMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACC_TTE_BILL_TAX_ELEMENT>-OBJ_TYP = 1.
<ACC_TTE_BILL_TAX_ELEMENT>-OBJ_KEY = 1.
<ACC_TTE_BILL_TAX_ELEMENT>-OBJ_SYS = 1.
<ACC_TTE_BILL_TAX_ELEMENT>-ITEMNODEID = 1.
<ACC_TTE_BILL_TAX_ELEMENT>-OTAXELENODEID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACC_TTE_BILL_TAX_ELEMENT-TAXCATEGORY, sy-vline,
  WA_ACC_TTE_BILL_TAX_ELEMENT-TAXTYPE, sy-vline,
  WA_ACC_TTE_BILL_TAX_ELEMENT-JURISDICTIONLEV, sy-vline,
  WA_ACC_TTE_BILL_TAX_ELEMENT-DEEPESTJL, sy-vline,
  WA_ACC_TTE_BILL_TAX_ELEMENT-TAXTYPETEXT, sy-vline,
  WA_ACC_TTE_BILL_TAX_ELEMENT-TAXRATEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACC_TTE_BILL_TAX_ELEMENT 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_ACC_TTE_BILL_TAX_ELEMENT 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_ACC_TTE_BILL_TAX_ELEMENT INTO WA_ACC_TTE_BILL_TAX_ELEMENT.


*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 OBJ_SYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACC_TTE_BILL_TAX_ELEMENT-OBJ_SYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACC_TTE_BILL_TAX_ELEMENT-OBJ_SYS.
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_ACC_TTE_BILL_TAX_ELEMENT_STR, 
OBJ_TYP TYPE STRING,
OBJ_KEY TYPE STRING,
OBJ_SYS TYPE STRING,
ITEMNODEID TYPE STRING,
OTAXELENODEID TYPE STRING,
TAXCATEGORY TYPE STRING,
TAXTYPE TYPE STRING,
JURISDICTIONLEV TYPE STRING,
DEEPESTJL TYPE STRING,
TAXTYPETEXT TYPE STRING,
TAXRATEID TYPE STRING,
LEGALTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACC_TTE_BILL_TAX_ELEMENT_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_ACC_TTE_BILL_TAX_ELEMENT_STR-OBJ_TYP sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-OBJ_KEY sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-OBJ_SYS sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-ITEMNODEID sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-OTAXELENODEID sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-TAXCATEGORY sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-TAXTYPE sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-JURISDICTIONLEV sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-DEEPESTJL sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-TAXTYPETEXT sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-TAXRATEID sy-vline 
WA_ACC_TTE_BILL_TAX_ELEMENT_STR-LEGALTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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