ABAP Select data from SAP table TAX_INPUT_PRICING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TAX_INPUT_PRICING
*  INTO TABLE @DATA(IT_TAX_INPUT_PRICING2).
*--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_TAX_INPUT_PRICING INDEX 1 INTO DATA(WA_TAX_INPUT_PRICING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TAX_INPUT_PRICING>-TAXPS = 1.
<TAX_INPUT_PRICING>-MWSKZ = 1.
<TAX_INPUT_PRICING>-MWSK1 = 1.
<TAX_INPUT_PRICING>-TXJCD = 1.
<TAX_INPUT_PRICING>-UEPOS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TAX_INPUT_PRICING-ALAND, sy-vline,
  WA_TAX_INPUT_PRICING-GSBER, sy-vline,
  WA_TAX_INPUT_PRICING-MATNR, sy-vline,
  WA_TAX_INPUT_PRICING-MGLME, sy-vline,
  WA_TAX_INPUT_PRICING-VRKME, sy-vline,
  WA_TAX_INPUT_PRICING-FBUDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TAX_INPUT_PRICING 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_TAX_INPUT_PRICING 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_TAX_INPUT_PRICING INTO WA_TAX_INPUT_PRICING.


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

*Conversion exit CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TAX_INPUT_PRICING-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TAX_INPUT_PRICING-VRKME.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ABPSP, internal->external for field PROJK
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_TAX_INPUT_PRICING-PROJK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TAX_INPUT_PRICING-PROJK.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit MATN1, internal->external for field UPMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_TAX_INPUT_PRICING-UPMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TAX_INPUT_PRICING-UPMAT.
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_TAX_INPUT_PRICING_STR, 
TAXPS TYPE STRING,
MWSKZ TYPE STRING,
MWSK1 TYPE STRING,
TXJCD TYPE STRING,
UEPOS TYPE STRING,
ALAND TYPE STRING,
GSBER TYPE STRING,
MATNR TYPE STRING,
MGLME TYPE STRING,
VRKME TYPE STRING,
FBUDA TYPE STRING,
PRSDT TYPE STRING,
WERKS TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
KUNWE TYPE STRING,
AUFNR TYPE STRING,
PROJK TYPE STRING,
KOSTL TYPE STRING,
KOKRS TYPE STRING,
BLART TYPE STRING,
EVRTN TYPE STRING,
EVRTP TYPE STRING,
PRCTR TYPE STRING,
UPMAT TYPE STRING,
CPD_MP_ID TYPE STRING,
MATKL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TAX_INPUT_PRICING_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_TAX_INPUT_PRICING_STR-TAXPS sy-vline 
WA_TAX_INPUT_PRICING_STR-MWSKZ sy-vline 
WA_TAX_INPUT_PRICING_STR-MWSK1 sy-vline 
WA_TAX_INPUT_PRICING_STR-TXJCD sy-vline 
WA_TAX_INPUT_PRICING_STR-UEPOS sy-vline 
WA_TAX_INPUT_PRICING_STR-ALAND sy-vline 
WA_TAX_INPUT_PRICING_STR-GSBER sy-vline 
WA_TAX_INPUT_PRICING_STR-MATNR sy-vline 
WA_TAX_INPUT_PRICING_STR-MGLME sy-vline 
WA_TAX_INPUT_PRICING_STR-VRKME sy-vline 
WA_TAX_INPUT_PRICING_STR-FBUDA sy-vline 
WA_TAX_INPUT_PRICING_STR-PRSDT sy-vline 
WA_TAX_INPUT_PRICING_STR-WERKS sy-vline 
WA_TAX_INPUT_PRICING_STR-LIFNR sy-vline 
WA_TAX_INPUT_PRICING_STR-KUNNR sy-vline 
WA_TAX_INPUT_PRICING_STR-KUNWE sy-vline 
WA_TAX_INPUT_PRICING_STR-AUFNR sy-vline 
WA_TAX_INPUT_PRICING_STR-PROJK sy-vline 
WA_TAX_INPUT_PRICING_STR-KOSTL sy-vline 
WA_TAX_INPUT_PRICING_STR-KOKRS sy-vline 
WA_TAX_INPUT_PRICING_STR-BLART sy-vline 
WA_TAX_INPUT_PRICING_STR-EVRTN sy-vline 
WA_TAX_INPUT_PRICING_STR-EVRTP sy-vline 
WA_TAX_INPUT_PRICING_STR-PRCTR sy-vline 
WA_TAX_INPUT_PRICING_STR-UPMAT sy-vline 
WA_TAX_INPUT_PRICING_STR-CPD_MP_ID sy-vline 
WA_TAX_INPUT_PRICING_STR-MATKL sy-vline      INTO ld_text SEPARATED BY SPACE.

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