ABAP Select data from SAP table CPRITEMSFORCONF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPRITEMSFORCONF
*  INTO TABLE @DATA(IT_CPRITEMSFORCONF2).
*--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_CPRITEMSFORCONF INDEX 1 INTO DATA(WA_CPRITEMSFORCONF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPRITEMSFORCONF>-MANDT = 1.
<CPRITEMSFORCONF>-PURCHASEREQUISITION = 1.
<CPRITEMSFORCONF>-PURCHASEORDER = 1.
<CPRITEMSFORCONF>-PROCURINGPLANT = 1.
<CPRITEMSFORCONF>-NUMBEROFITEMS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPRITEMSFORCONF-CREATIONDATE, sy-vline,
  WA_CPRITEMSFORCONF-PURREQNDESCRIPTION, sy-vline,
  WA_CPRITEMSFORCONF-CURRENCY, sy-vline,
  WA_CPRITEMSFORCONF-TOTALNETAMOUNT, sy-vline,
  WA_CPRITEMSFORCONF-PURREQNSSPREQUESTOR, sy-vline,
  WA_CPRITEMSFORCONF-PURCHASINGGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPRITEMSFORCONF 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_CPRITEMSFORCONF 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_CPRITEMSFORCONF INTO WA_CPRITEMSFORCONF.


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

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

*Conversion exit ALPHA, internal->external for field SITNINSTCEANCHOROBJECTKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPRITEMSFORCONF-SITNINSTCEANCHOROBJECTKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPRITEMSFORCONF-SITNINSTCEANCHOROBJECTKEY.
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_CPRITEMSFORCONF_STR, 
MANDT TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEORDER TYPE STRING,
PROCURINGPLANT TYPE STRING,
NUMBEROFITEMS TYPE STRING,
CREATIONDATE TYPE STRING,
PURREQNDESCRIPTION TYPE STRING,
CURRENCY TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
PURREQNSSPREQUESTOR TYPE STRING,
PURCHASINGGROUP TYPE STRING,
DELIVERYNOTE TYPE STRING,
MATERIALDOCUMENTHEADERTEXT TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
COMPANYCODE TYPE STRING,
PROCUREMENTHUBSOURCESYSTEM TYPE STRING,
PLANT TYPE STRING,
REFERENCEDOCUMENTPLANT TYPE STRING,
SITNINSTCEANCHOROBJECTKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPRITEMSFORCONF_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_CPRITEMSFORCONF_STR-MANDT sy-vline 
WA_CPRITEMSFORCONF_STR-PURCHASEREQUISITION sy-vline 
WA_CPRITEMSFORCONF_STR-PURCHASEORDER sy-vline 
WA_CPRITEMSFORCONF_STR-PROCURINGPLANT sy-vline 
WA_CPRITEMSFORCONF_STR-NUMBEROFITEMS sy-vline 
WA_CPRITEMSFORCONF_STR-CREATIONDATE sy-vline 
WA_CPRITEMSFORCONF_STR-PURREQNDESCRIPTION sy-vline 
WA_CPRITEMSFORCONF_STR-CURRENCY sy-vline 
WA_CPRITEMSFORCONF_STR-TOTALNETAMOUNT sy-vline 
WA_CPRITEMSFORCONF_STR-PURREQNSSPREQUESTOR sy-vline 
WA_CPRITEMSFORCONF_STR-PURCHASINGGROUP sy-vline 
WA_CPRITEMSFORCONF_STR-DELIVERYNOTE sy-vline 
WA_CPRITEMSFORCONF_STR-MATERIALDOCUMENTHEADERTEXT sy-vline 
WA_CPRITEMSFORCONF_STR-DOCUMENTDATE sy-vline 
WA_CPRITEMSFORCONF_STR-POSTINGDATE sy-vline 
WA_CPRITEMSFORCONF_STR-COMPANYCODE sy-vline 
WA_CPRITEMSFORCONF_STR-PROCUREMENTHUBSOURCESYSTEM sy-vline 
WA_CPRITEMSFORCONF_STR-PLANT sy-vline 
WA_CPRITEMSFORCONF_STR-REFERENCEDOCUMENTPLANT sy-vline 
WA_CPRITEMSFORCONF_STR-SITNINSTCEANCHOROBJECTKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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