ABAP Select data from SAP table TTEPDT_TAXES_LIST_CURR_ST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TTEPDT_TAXES_LIST_CURR_ST
*  INTO TABLE @DATA(IT_TTEPDT_TAXES_LIST_CURR_ST2).
*--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_TTEPDT_TAXES_LIST_CURR_ST INDEX 1 INTO DATA(WA_TTEPDT_TAXES_LIST_CURR_ST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TTEPDT_TAXES_LIST_CURR_ST>-ITEMID = 1.
<TTEPDT_TAXES_LIST_CURR_ST>-POSITIONNUMBER = 1.
<TTEPDT_TAXES_LIST_CURR_ST>-COUNTRYISO = 1.
<TTEPDT_TAXES_LIST_CURR_ST>-TAXEVENT = 1.
<TTEPDT_TAXES_LIST_CURR_ST>-TAXTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TTEPDT_TAXES_LIST_CURR_ST-RATE_ID, sy-vline,
  WA_TTEPDT_TAXES_LIST_CURR_ST-JURISDICTIONCODE, sy-vline,
  WA_TTEPDT_TAXES_LIST_CURR_ST-JURISDICTLEVEL, sy-vline,
  WA_TTEPDT_TAXES_LIST_CURR_ST-CURRENCYTYPE, sy-vline,
  WA_TTEPDT_TAXES_LIST_CURR_ST-TAXCOMPONENT, sy-vline,
  WA_TTEPDT_TAXES_LIST_CURR_ST-TAXCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TTEPDT_TAXES_LIST_CURR_ST 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_TTEPDT_TAXES_LIST_CURR_ST 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_TTEPDT_TAXES_LIST_CURR_ST INTO WA_TTEPDT_TAXES_LIST_CURR_ST.


*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_TTEPDT_TAXES_LIST_CURR_ST_STR, 
ITEMID TYPE STRING,
POSITIONNUMBER TYPE STRING,
COUNTRYISO TYPE STRING,
TAXEVENT TYPE STRING,
TAXTYP TYPE STRING,
RATE_ID TYPE STRING,
JURISDICTIONCODE TYPE STRING,
JURISDICTLEVEL TYPE STRING,
CURRENCYTYPE TYPE STRING,
TAXCOMPONENT TYPE STRING,
TAXCODE TYPE STRING,
DIRECTIONIND TYPE STRING,
BASEAMOUNTITEM TYPE STRING,
BASEAMOUNT TYPE STRING,
RATEAMOUNT TYPE STRING,
TAXAMOUNT TYPE STRING,
CURRENCYUNIT TYPE STRING,
TAXTYPETEXT TYPE STRING,
TAXRATETEXT TYPE STRING,
TAXPROCEDURE TYPE STRING,
TAXFROMROLE TYPE STRING,
TAXTOROLE TYPE STRING,
FISCALCODE TYPE STRING,
IVTOLERANCE TYPE STRING,
DISTRIBUTIONRULE TYPE STRING,
EDI5153 TYPE STRING,
TAXINCIDENCE TYPE STRING,
TAXCATEGORY TYPE STRING,
TAXDATETYPE TYPE STRING,
ACCORDINGTODATE TYPE STRING,
EXEMPTIONID TYPE STRING,
DEDUCTIONREASON TYPE STRING,
NONDEDUCTIBLE TYPE STRING,
LOWESTJURISDICT TYPE STRING,
SOURCEINDICATOR TYPE STRING,
LEGALTEXTID TYPE STRING,
TAXTYPELABEL TYPE STRING,
TAXRATEIDLABEL TYPE STRING,
LEGALTEXTIDLABEL TYPE STRING,
PRICINGUNIT TYPE STRING,
UNIT TYPE STRING,
STATISTICAL TYPE STRING,
CALCULATIONTYPE TYPE STRING,
NOTTAXABLE TYPE STRING,
EXPORTINDICATOR TYPE STRING,
POSTINGINDICATOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TTEPDT_TAXES_LIST_CURR_ST_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_TTEPDT_TAXES_LIST_CURR_ST_STR-ITEMID sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-POSITIONNUMBER sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-COUNTRYISO sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXEVENT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXTYP sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-RATE_ID sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-JURISDICTIONCODE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-JURISDICTLEVEL sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-CURRENCYTYPE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXCOMPONENT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXCODE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-DIRECTIONIND sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-BASEAMOUNTITEM sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-BASEAMOUNT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-RATEAMOUNT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXAMOUNT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-CURRENCYUNIT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXTYPETEXT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXRATETEXT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXPROCEDURE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXFROMROLE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXTOROLE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-FISCALCODE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-IVTOLERANCE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-DISTRIBUTIONRULE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-EDI5153 sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXINCIDENCE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXCATEGORY sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXDATETYPE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-ACCORDINGTODATE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-EXEMPTIONID sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-DEDUCTIONREASON sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-NONDEDUCTIBLE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-LOWESTJURISDICT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-SOURCEINDICATOR sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-LEGALTEXTID sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXTYPELABEL sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-TAXRATEIDLABEL sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-LEGALTEXTIDLABEL sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-PRICINGUNIT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-UNIT sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-STATISTICAL sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-CALCULATIONTYPE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-NOTTAXABLE sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-EXPORTINDICATOR sy-vline 
WA_TTEPDT_TAXES_LIST_CURR_ST_STR-POSTINGINDICATOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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