ABAP Select data from SAP table ICAPRMS2PITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICAPRMS2PITEM 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 ICAPRMS2PITEM. 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 ICAPRMS2PITEM 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_ICAPRMS2PITEM TYPE STANDARD TABLE OF ICAPRMS2PITEM,
      WA_ICAPRMS2PITEM TYPE ICAPRMS2PITEM,
      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: <ICAPRMS2PITEM> TYPE ICAPRMS2PITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ICAPRMS2PITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICAPRMS2PITEM
  INTO TABLE IT_ICAPRMS2PITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICAPRMS2PITEM
*  INTO TABLE @DATA(IT_ICAPRMS2PITEM2).
*--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_ICAPRMS2PITEM INDEX 1 INTO DATA(WA_ICAPRMS2PITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICAPRMS2PITEM ASSIGNING <ICAPRMS2PITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICAPRMS2PITEM>-MANDT = 1.
<ICAPRMS2PITEM>-CAPROMISETOPAY = 1.
<ICAPRMS2PITEM>-CADOCUMENTNUMBER = 1.
<ICAPRMS2PITEM>-CAREPETITIONITEMNUMBER = 1.
<ICAPRMS2PITEM>-CABPITEMNUMBER = 1.

ENDLOOP.

LOOP AT IT_ICAPRMS2PITEM INTO WA_ICAPRMS2PITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICAPRMS2PITEM-CASUBITEMNUMBER, sy-vline,
  WA_ICAPRMS2PITEM-CAPAYMENTAMOUNTINTRANSCURRENCY, sy-vline,
  WA_ICAPRMS2PITEM-CAAMOUNTINLOCALCURRENCY, sy-vline,
  WA_ICAPRMS2PITEM-COMPANYCODE, sy-vline,
  WA_ICAPRMS2PITEM-BUSINESSAREA, sy-vline,
  WA_ICAPRMS2PITEM-CONTRACTACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICAPRMS2PITEM 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_ICAPRMS2PITEM 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_ICAPRMS2PITEM INTO WA_ICAPRMS2PITEM.


*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 CAPROMISETOPAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICAPRMS2PITEM-CAPROMISETOPAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICAPRMS2PITEM-CAPROMISETOPAY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CADOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICAPRMS2PITEM-CADOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICAPRMS2PITEM-CADOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CONTRACTACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICAPRMS2PITEM-CONTRACTACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICAPRMS2PITEM-CONTRACTACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICAPRMS2PITEM-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICAPRMS2PITEM-CACONTRACT.
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_ICAPRMS2PITEM_STR, 
MANDT TYPE STRING,
CAPROMISETOPAY TYPE STRING,
CADOCUMENTNUMBER TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CASUBITEMNUMBER TYPE STRING,
CAPAYMENTAMOUNTINTRANSCURRENCY TYPE STRING,
CAAMOUNTINLOCALCURRENCY TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,
CAISFLLWONITEMFROMRETURNORRVSL TYPE STRING,
PAYMENTCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICAPRMS2PITEM_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_ICAPRMS2PITEM_STR-MANDT sy-vline 
WA_ICAPRMS2PITEM_STR-CAPROMISETOPAY sy-vline 
WA_ICAPRMS2PITEM_STR-CADOCUMENTNUMBER sy-vline 
WA_ICAPRMS2PITEM_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_ICAPRMS2PITEM_STR-CABPITEMNUMBER sy-vline 
WA_ICAPRMS2PITEM_STR-CASUBITEMNUMBER sy-vline 
WA_ICAPRMS2PITEM_STR-CAPAYMENTAMOUNTINTRANSCURRENCY sy-vline 
WA_ICAPRMS2PITEM_STR-CAAMOUNTINLOCALCURRENCY sy-vline 
WA_ICAPRMS2PITEM_STR-COMPANYCODE sy-vline 
WA_ICAPRMS2PITEM_STR-BUSINESSAREA sy-vline 
WA_ICAPRMS2PITEM_STR-CONTRACTACCOUNT sy-vline 
WA_ICAPRMS2PITEM_STR-CACONTRACT sy-vline 
WA_ICAPRMS2PITEM_STR-CASUBAPPLICATION sy-vline 
WA_ICAPRMS2PITEM_STR-CAISFLLWONITEMFROMRETURNORRVSL sy-vline 
WA_ICAPRMS2PITEM_STR-PAYMENTCURRENCY sy-vline 
WA_ICAPRMS2PITEM_STR-COMPANYCODECURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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