ABAP Select data from SAP table CAPPFPOITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAPPFPOITEM
*  INTO TABLE @DATA(IT_CAPPFPOITEM2).
*--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_CAPPFPOITEM INDEX 1 INTO DATA(WA_CAPPFPOITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAPPFPOITEM>-MANDT = 1.
<CAPPFPOITEM>-PROCESSFLOWNODEDOCUMENT = 1.
<CAPPFPOITEM>-PROCESSFLOWNODEDOCUMENTITEM = 1.
<CAPPFPOITEM>-PROCESSFLOWNODE = 1.
<CAPPFPOITEM>-PROCESSFLOWNODEDOCCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAPPFPOITEM-FISCALYEAR, sy-vline,
  WA_CAPPFPOITEM-COMPANYCODE, sy-vline,
  WA_CAPPFPOITEM-PARENTPROCESSFLOWNODE, sy-vline,
  WA_CAPPFPOITEM-PARENTPROCESSFLOWNODEDOCUMENT, sy-vline,
  WA_CAPPFPOITEM-PARENTPROCESSFLOWNODEDOCITEM, sy-vline,
  WA_CAPPFPOITEM-PARENTPROCFLWNODEDOCCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAPPFPOITEM 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_CAPPFPOITEM 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_CAPPFPOITEM INTO WA_CAPPFPOITEM.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CAPPFPOITEM-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPPFPOITEM-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field PARENTPROCFLOWNODEFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CAPPFPOITEM-PARENTPROCFLOWNODEFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPPFPOITEM-PARENTPROCFLOWNODEFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CAPPFPOITEM-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAPPFPOITEM-SUPPLIER.
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_CAPPFPOITEM_STR, 
MANDT TYPE STRING,
PROCESSFLOWNODEDOCUMENT TYPE STRING,
PROCESSFLOWNODEDOCUMENTITEM TYPE STRING,
PROCESSFLOWNODE TYPE STRING,
PROCESSFLOWNODEDOCCATEGORY TYPE STRING,
FISCALYEAR TYPE STRING,
COMPANYCODE TYPE STRING,
PARENTPROCESSFLOWNODE TYPE STRING,
PARENTPROCESSFLOWNODEDOCUMENT TYPE STRING,
PARENTPROCESSFLOWNODEDOCITEM TYPE STRING,
PARENTPROCFLWNODEDOCCATEGORY TYPE STRING,
PARENTPROCFLOWNODEFISCALYEAR TYPE STRING,
PARENTPROCFLOWNODECOMPANYCODE TYPE STRING,
CREATEDBYUSER TYPE STRING,
FULLNAME TYPE STRING,
COMPANYCODENAME TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
REFERENCEDOCUMENT TYPE STRING,
QUANTITY TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
CREATIONDATE TYPE STRING,
CUSTOMER TYPE STRING,
CUSTOMERNAME TYPE STRING,
NETAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
ACCOUNTASSIGNMENTCATEGORY TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
PLANT TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAPPFPOITEM_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_CAPPFPOITEM_STR-MANDT sy-vline 
WA_CAPPFPOITEM_STR-PROCESSFLOWNODEDOCUMENT sy-vline 
WA_CAPPFPOITEM_STR-PROCESSFLOWNODEDOCUMENTITEM sy-vline 
WA_CAPPFPOITEM_STR-PROCESSFLOWNODE sy-vline 
WA_CAPPFPOITEM_STR-PROCESSFLOWNODEDOCCATEGORY sy-vline 
WA_CAPPFPOITEM_STR-FISCALYEAR sy-vline 
WA_CAPPFPOITEM_STR-COMPANYCODE sy-vline 
WA_CAPPFPOITEM_STR-PARENTPROCESSFLOWNODE sy-vline 
WA_CAPPFPOITEM_STR-PARENTPROCESSFLOWNODEDOCUMENT sy-vline 
WA_CAPPFPOITEM_STR-PARENTPROCESSFLOWNODEDOCITEM sy-vline 
WA_CAPPFPOITEM_STR-PARENTPROCFLWNODEDOCCATEGORY sy-vline 
WA_CAPPFPOITEM_STR-PARENTPROCFLOWNODEFISCALYEAR sy-vline 
WA_CAPPFPOITEM_STR-PARENTPROCFLOWNODECOMPANYCODE sy-vline 
WA_CAPPFPOITEM_STR-CREATEDBYUSER sy-vline 
WA_CAPPFPOITEM_STR-FULLNAME sy-vline 
WA_CAPPFPOITEM_STR-COMPANYCODENAME sy-vline 
WA_CAPPFPOITEM_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_CAPPFPOITEM_STR-REFERENCEDOCUMENT sy-vline 
WA_CAPPFPOITEM_STR-QUANTITY sy-vline 
WA_CAPPFPOITEM_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_CAPPFPOITEM_STR-CREATIONDATE sy-vline 
WA_CAPPFPOITEM_STR-CUSTOMER sy-vline 
WA_CAPPFPOITEM_STR-CUSTOMERNAME sy-vline 
WA_CAPPFPOITEM_STR-NETAMOUNT sy-vline 
WA_CAPPFPOITEM_STR-DOCUMENTCURRENCY sy-vline 
WA_CAPPFPOITEM_STR-ACCOUNTASSIGNMENTCATEGORY sy-vline 
WA_CAPPFPOITEM_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_CAPPFPOITEM_STR-SUPPLIER sy-vline 
WA_CAPPFPOITEM_STR-SUPPLIERNAME sy-vline 
WA_CAPPFPOITEM_STR-PLANT sy-vline 
WA_CAPPFPOITEM_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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