ABAP Select data from SAP table BBP_TAX_COMM_PI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBP_TAX_COMM_PI
*  INTO TABLE @DATA(IT_BBP_TAX_COMM_PI2).
*--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_BBP_TAX_COMM_PI INDEX 1 INTO DATA(WA_BBP_TAX_COMM_PI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBP_TAX_COMM_PI>-GUID = 1.
<BBP_TAX_COMM_PI>-BUKRS = 1.
<BBP_TAX_COMM_PI>-BUDAT = 1.
<BBP_TAX_COMM_PI>-WAERS = 1.
<BBP_TAX_COMM_PI>-KPOSN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBP_TAX_COMM_PI-MWSKZ, sy-vline,
  WA_BBP_TAX_COMM_PI-SHKZG, sy-vline,
  WA_BBP_TAX_COMM_PI-WRBTR, sy-vline,
  WA_BBP_TAX_COMM_PI-WMWST, sy-vline,
  WA_BBP_TAX_COMM_PI-TXJCD, sy-vline,
  WA_BBP_TAX_COMM_PI-LIFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBP_TAX_COMM_PI 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_BBP_TAX_COMM_PI 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_BBP_TAX_COMM_PI INTO WA_BBP_TAX_COMM_PI.


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

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

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BBP_TAX_COMM_PI-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_TAX_COMM_PI-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_BBP_TAX_COMM_PI-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_TAX_COMM_PI-MEINS.
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_BBP_TAX_COMM_PI_STR, 
GUID TYPE STRING,
BUKRS TYPE STRING,
BUDAT TYPE STRING,
WAERS TYPE STRING,
KPOSN TYPE STRING,
MWSKZ TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
WMWST TYPE STRING,
TXJCD TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
GSBER TYPE STRING,
LLIEF TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MATKL TYPE STRING,
MEINS TYPE STRING,
MGLME TYPE STRING,
STEUC TYPE STRING,
TXREG_SF TYPE STRING,
TXREG_ST TYPE STRING,
XXIPI TYPE STRING,
XICMS TYPE STRING,
XSUBT TYPE STRING,
TAXBS TYPE STRING,
IPISP TYPE STRING,
DOCTYP TYPE STRING,
MTORG TYPE STRING,
MTUSE TYPE STRING,
OWNPR TYPE STRING,
BRSCH TYPE STRING,
CITYC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBP_TAX_COMM_PI_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_BBP_TAX_COMM_PI_STR-GUID sy-vline 
WA_BBP_TAX_COMM_PI_STR-BUKRS sy-vline 
WA_BBP_TAX_COMM_PI_STR-BUDAT sy-vline 
WA_BBP_TAX_COMM_PI_STR-WAERS sy-vline 
WA_BBP_TAX_COMM_PI_STR-KPOSN sy-vline 
WA_BBP_TAX_COMM_PI_STR-MWSKZ sy-vline 
WA_BBP_TAX_COMM_PI_STR-SHKZG sy-vline 
WA_BBP_TAX_COMM_PI_STR-WRBTR sy-vline 
WA_BBP_TAX_COMM_PI_STR-WMWST sy-vline 
WA_BBP_TAX_COMM_PI_STR-TXJCD sy-vline 
WA_BBP_TAX_COMM_PI_STR-LIFNR sy-vline 
WA_BBP_TAX_COMM_PI_STR-EKORG sy-vline 
WA_BBP_TAX_COMM_PI_STR-GSBER sy-vline 
WA_BBP_TAX_COMM_PI_STR-LLIEF sy-vline 
WA_BBP_TAX_COMM_PI_STR-MATNR sy-vline 
WA_BBP_TAX_COMM_PI_STR-WERKS sy-vline 
WA_BBP_TAX_COMM_PI_STR-MATKL sy-vline 
WA_BBP_TAX_COMM_PI_STR-MEINS sy-vline 
WA_BBP_TAX_COMM_PI_STR-MGLME sy-vline 
WA_BBP_TAX_COMM_PI_STR-STEUC sy-vline 
WA_BBP_TAX_COMM_PI_STR-TXREG_SF sy-vline 
WA_BBP_TAX_COMM_PI_STR-TXREG_ST sy-vline 
WA_BBP_TAX_COMM_PI_STR-XXIPI sy-vline 
WA_BBP_TAX_COMM_PI_STR-XICMS sy-vline 
WA_BBP_TAX_COMM_PI_STR-XSUBT sy-vline 
WA_BBP_TAX_COMM_PI_STR-TAXBS sy-vline 
WA_BBP_TAX_COMM_PI_STR-IPISP sy-vline 
WA_BBP_TAX_COMM_PI_STR-DOCTYP sy-vline 
WA_BBP_TAX_COMM_PI_STR-MTORG sy-vline 
WA_BBP_TAX_COMM_PI_STR-MTUSE sy-vline 
WA_BBP_TAX_COMM_PI_STR-OWNPR sy-vline 
WA_BBP_TAX_COMM_PI_STR-BRSCH sy-vline 
WA_BBP_TAX_COMM_PI_STR-CITYC sy-vline      INTO ld_text SEPARATED BY SPACE.

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