ABAP Select data from SAP table SDPD_S_KNVP_NO_ADDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDPD_S_KNVP_NO_ADDR
*  INTO TABLE @DATA(IT_SDPD_S_KNVP_NO_ADDR2).
*--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_SDPD_S_KNVP_NO_ADDR INDEX 1 INTO DATA(WA_SDPD_S_KNVP_NO_ADDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDPD_S_KNVP_NO_ADDR>-KUNNR = 1.
<SDPD_S_KNVP_NO_ADDR>-VKORG = 1.
<SDPD_S_KNVP_NO_ADDR>-VTWEG = 1.
<SDPD_S_KNVP_NO_ADDR>-SPART = 1.
<SDPD_S_KNVP_NO_ADDR>-PARVW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDPD_S_KNVP_NO_ADDR-PARZA, sy-vline,
  WA_SDPD_S_KNVP_NO_ADDR-KUNN2, sy-vline,
  WA_SDPD_S_KNVP_NO_ADDR-LIFNR, sy-vline,
  WA_SDPD_S_KNVP_NO_ADDR-PERNR, sy-vline,
  WA_SDPD_S_KNVP_NO_ADDR-PARNR, sy-vline,
  WA_SDPD_S_KNVP_NO_ADDR-DEFPA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDPD_S_KNVP_NO_ADDR 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_SDPD_S_KNVP_NO_ADDR 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_SDPD_S_KNVP_NO_ADDR INTO WA_SDPD_S_KNVP_NO_ADDR.


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

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_SDPD_S_KNVP_NO_ADDR-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDPD_S_KNVP_NO_ADDR-PARVW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDPD_S_KNVP_NO_ADDR-KUNN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDPD_S_KNVP_NO_ADDR-KUNN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDPD_S_KNVP_NO_ADDR-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDPD_S_KNVP_NO_ADDR-LIFNR.
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_SDPD_S_KNVP_NO_ADDR_STR, 
KUNNR TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
PARVW TYPE STRING,
PARZA TYPE STRING,
KUNN2 TYPE STRING,
LIFNR TYPE STRING,
PERNR TYPE STRING,
PARNR TYPE STRING,
DEFPA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDPD_S_KNVP_NO_ADDR_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_SDPD_S_KNVP_NO_ADDR_STR-KUNNR sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-VKORG sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-VTWEG sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-SPART sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-PARVW sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-PARZA sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-KUNN2 sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-LIFNR sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-PERNR sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-PARNR sy-vline 
WA_SDPD_S_KNVP_NO_ADDR_STR-DEFPA sy-vline      INTO ld_text SEPARATED BY SPACE.

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