ABAP Select data from SAP table /DMBE/ICPFPART into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /DMBE/ICPFPART 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 /DMBE/ICPFPART. 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 /DMBE/ICPFPART 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_/DMBE/ICPFPART TYPE STANDARD TABLE OF /DMBE/ICPFPART,
      WA_/DMBE/ICPFPART TYPE /DMBE/ICPFPART,
      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: </DMBE/ICPFPART> TYPE /DMBE/ICPFPART.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /DMBE/ICPFPART
  INTO TABLE IT_/DMBE/ICPFPART.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /DMBE/ICPFPART
*  INTO TABLE @DATA(IT_/DMBE/ICPFPART2).
*--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_/DMBE/ICPFPART INDEX 1 INTO DATA(WA_/DMBE/ICPFPART2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/DMBE/ICPFPART ASSIGNING </DMBE/ICPFPART>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</DMBE/ICPFPART>-MANDT = 1.
</DMBE/ICPFPART>-PARAMETERUUID = 1.
</DMBE/ICPFPART>-PRICINGUUID = 1.
</DMBE/ICPFPART>-DEALUUID = 1.
</DMBE/ICPFPART>-PARAMETERNAME = 1.

ENDLOOP.

LOOP AT IT_/DMBE/ICPFPART INTO WA_/DMBE/ICPFPART.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/DMBE/ICPFPART-SUBPARAMETER, sy-vline,
  WA_/DMBE/ICPFPART-PARAMETERVALUE, sy-vline,
  WA_/DMBE/ICPFPART-PARAMETERAMOUNT, sy-vline,
  WA_/DMBE/ICPFPART-PARAMETERCURRENCY, sy-vline,
  WA_/DMBE/ICPFPART-PARAMETERQUANTITY, sy-vline,
  WA_/DMBE/ICPFPART-PARAMETERUOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/DMBE/ICPFPART 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_/DMBE/ICPFPART 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_/DMBE/ICPFPART INTO WA_/DMBE/ICPFPART.


*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 DCCUR, internal->external for field PARAMETERAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_DCCUR_OUTPUT'
  EXPORTING
    input =                      WA_/DMBE/ICPFPART-PARAMETERAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DMBE/ICPFPART-PARAMETERAMOUNT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field BASEPARAMETERUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/DMBE/ICPFPART-BASEPARAMETERUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/DMBE/ICPFPART-BASEPARAMETERUOM.
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_/DMBE/ICPFPART_STR, 
MANDT TYPE STRING,
PARAMETERUUID TYPE STRING,
PRICINGUUID TYPE STRING,
DEALUUID TYPE STRING,
PARAMETERNAME TYPE STRING,
SUBPARAMETER TYPE STRING,
PARAMETERVALUE TYPE STRING,
PARAMETERAMOUNT TYPE STRING,
PARAMETERCURRENCY TYPE STRING,
PARAMETERQUANTITY TYPE STRING,
PARAMETERUOM TYPE STRING,
CONDITIONTYPE TYPE STRING,
ISUSINGSCALES TYPE STRING,
SCALESTARTASC TYPE STRING,
SCALESTARTDESC TYPE STRING,
SCALEBASEPARAMETER TYPE STRING,
SCALEBASESUBPARAMETER TYPE STRING,
SCALEEVALROUTINE TYPE STRING,
SCALETYPE TYPE STRING,
DETAILTRANSACTIONTYPE TYPE STRING,
DETAILAPPLICATION TYPE STRING,
DETAILPRICINGPROCEDURE TYPE STRING,
HEADERTRANSACTIONTYPE TYPE STRING,
PARAMETERSEQUENCE TYPE STRING,
QUALITYNAME TYPE STRING,
PERCENTAGE TYPE STRING,
CPFNUMBER TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDAT TYPE STRING,
CHANGEDBY TYPE STRING,
CHANGEDAT TYPE STRING,
ETAG TYPE STRING,
DELETED TYPE STRING,
BASEPARAMETERUUID TYPE STRING,
BASEPARAMETERCURRENCY TYPE STRING,
BASEPARAMETERUOM TYPE STRING,
BASEPARAMETERFIELDTYPE TYPE STRING,
REFDATATYPE TYPE STRING,
DATACATEGORY TYPE STRING,
DATASOURCEROUTINE TYPE STRING,
FIELDTYPE TYPE STRING,
PARAMETERDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/DMBE/ICPFPART_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_/DMBE/ICPFPART_STR-MANDT sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERUUID sy-vline 
WA_/DMBE/ICPFPART_STR-PRICINGUUID sy-vline 
WA_/DMBE/ICPFPART_STR-DEALUUID sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERNAME sy-vline 
WA_/DMBE/ICPFPART_STR-SUBPARAMETER sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERVALUE sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERAMOUNT sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERCURRENCY sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERQUANTITY sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERUOM sy-vline 
WA_/DMBE/ICPFPART_STR-CONDITIONTYPE sy-vline 
WA_/DMBE/ICPFPART_STR-ISUSINGSCALES sy-vline 
WA_/DMBE/ICPFPART_STR-SCALESTARTASC sy-vline 
WA_/DMBE/ICPFPART_STR-SCALESTARTDESC sy-vline 
WA_/DMBE/ICPFPART_STR-SCALEBASEPARAMETER sy-vline 
WA_/DMBE/ICPFPART_STR-SCALEBASESUBPARAMETER sy-vline 
WA_/DMBE/ICPFPART_STR-SCALEEVALROUTINE sy-vline 
WA_/DMBE/ICPFPART_STR-SCALETYPE sy-vline 
WA_/DMBE/ICPFPART_STR-DETAILTRANSACTIONTYPE sy-vline 
WA_/DMBE/ICPFPART_STR-DETAILAPPLICATION sy-vline 
WA_/DMBE/ICPFPART_STR-DETAILPRICINGPROCEDURE sy-vline 
WA_/DMBE/ICPFPART_STR-HEADERTRANSACTIONTYPE sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERSEQUENCE sy-vline 
WA_/DMBE/ICPFPART_STR-QUALITYNAME sy-vline 
WA_/DMBE/ICPFPART_STR-PERCENTAGE sy-vline 
WA_/DMBE/ICPFPART_STR-CPFNUMBER sy-vline 
WA_/DMBE/ICPFPART_STR-CREATEDBY sy-vline 
WA_/DMBE/ICPFPART_STR-CREATEDAT sy-vline 
WA_/DMBE/ICPFPART_STR-CHANGEDBY sy-vline 
WA_/DMBE/ICPFPART_STR-CHANGEDAT sy-vline 
WA_/DMBE/ICPFPART_STR-ETAG sy-vline 
WA_/DMBE/ICPFPART_STR-DELETED sy-vline 
WA_/DMBE/ICPFPART_STR-BASEPARAMETERUUID sy-vline 
WA_/DMBE/ICPFPART_STR-BASEPARAMETERCURRENCY sy-vline 
WA_/DMBE/ICPFPART_STR-BASEPARAMETERUOM sy-vline 
WA_/DMBE/ICPFPART_STR-BASEPARAMETERFIELDTYPE sy-vline 
WA_/DMBE/ICPFPART_STR-REFDATATYPE sy-vline 
WA_/DMBE/ICPFPART_STR-DATACATEGORY sy-vline 
WA_/DMBE/ICPFPART_STR-DATASOURCEROUTINE sy-vline 
WA_/DMBE/ICPFPART_STR-FIELDTYPE sy-vline 
WA_/DMBE/ICPFPART_STR-PARAMETERDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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