ABAP Select data from SAP table WSD_PRICE_DETERMINE_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WSD_PRICE_DETERMINE_STY
*  INTO TABLE @DATA(IT_WSD_PRICE_DETERMINE_STY2).
*--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_WSD_PRICE_DETERMINE_STY INDEX 1 INTO DATA(WA_WSD_PRICE_DETERMINE_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WSD_PRICE_DETERMINE_STY>-MATNR = 1.
<WSD_PRICE_DETERMINE_STY>-VRKME = 1.
<WSD_PRICE_DETERMINE_STY>-VKORG = 1.
<WSD_PRICE_DETERMINE_STY>-VTWEG = 1.
<WSD_PRICE_DETERMINE_STY>-SPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WSD_PRICE_DETERMINE_STY-WERKS, sy-vline,
  WA_WSD_PRICE_DETERMINE_STY-WAERK, sy-vline,
  WA_WSD_PRICE_DETERMINE_STY-KUNNR, sy-vline,
  WA_WSD_PRICE_DETERMINE_STY-VKNUM, sy-vline,
  WA_WSD_PRICE_DETERMINE_STY-KALSM, sy-vline,
  WA_WSD_PRICE_DETERMINE_STY-PRSDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WSD_PRICE_DETERMINE_STY 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_WSD_PRICE_DETERMINE_STY 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_WSD_PRICE_DETERMINE_STY INTO WA_WSD_PRICE_DETERMINE_STY.


*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_WSD_PRICE_DETERMINE_STY-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSD_PRICE_DETERMINE_STY-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WSD_PRICE_DETERMINE_STY-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WSD_PRICE_DETERMINE_STY-KMEIN.
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_WSD_PRICE_DETERMINE_STY_STR, 
MATNR TYPE STRING,
VRKME TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
WERKS TYPE STRING,
WAERK TYPE STRING,
KUNNR TYPE STRING,
VKNUM TYPE STRING,
KALSM TYPE STRING,
PRSDT TYPE STRING,
MGAME TYPE STRING,
KBETR TYPE STRING,
KWAER TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WSD_PRICE_DETERMINE_STY_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_WSD_PRICE_DETERMINE_STY_STR-MATNR sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-VRKME sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-VKORG sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-VTWEG sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-SPART sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-WERKS sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-WAERK sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-KUNNR sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-VKNUM sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-KALSM sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-PRSDT sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-MGAME sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-KBETR sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-KWAER sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-KPEIN sy-vline 
WA_WSD_PRICE_DETERMINE_STY_STR-KMEIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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