ABAP Select data from SAP table CACPPMGPART into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CACPPMGPART
*  INTO TABLE @DATA(IT_CACPPMGPART2).
*--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_CACPPMGPART INDEX 1 INTO DATA(WA_CACPPMGPART2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CACPPMGPART>-MANDT = 1.
<CACPPMGPART>-PREPAYMENTREQUESTUUID = 1.
<CACPPMGPART>-SAPBUSINESSOBJECTTYPECODE = 1.
<CACPPMGPART>-TRADINGCONTRACT = 1.
<CACPPMGPART>-PREPAYMENTREQUESTDOCITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CACPPMGPART-CUSTOMERPAYMENTTERMS, sy-vline,
  WA_CACPPMGPART-CUSTOMERPAYMENTTERMDESCRIPTION, sy-vline,
  WA_CACPPMGPART-PREPAYMENTREQUESTISREQUESTED, sy-vline,
  WA_CACPPMGPART-PREPAYMENTREQUESTDATE, sy-vline,
  WA_CACPPMGPART-PREPAYMENTREQUESTISRECEIVED, sy-vline,
  WA_CACPPMGPART-PREPAYMENTREQUESTISMADE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CACPPMGPART 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_CACPPMGPART 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_CACPPMGPART INTO WA_CACPPMGPART.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CACPPMGPART_STR, 
MANDT TYPE STRING,
PREPAYMENTREQUESTUUID TYPE STRING,
SAPBUSINESSOBJECTTYPECODE TYPE STRING,
TRADINGCONTRACT TYPE STRING,
PREPAYMENTREQUESTDOCITEM TYPE STRING,
CUSTOMERPAYMENTTERMS TYPE STRING,
CUSTOMERPAYMENTTERMDESCRIPTION TYPE STRING,
PREPAYMENTREQUESTISREQUESTED TYPE STRING,
PREPAYMENTREQUESTDATE TYPE STRING,
PREPAYMENTREQUESTISRECEIVED TYPE STRING,
PREPAYMENTREQUESTISMADE TYPE STRING,
PREPAYMENTREQUESTTYPE TYPE STRING,
PREPAYMENTAGREEMENTDESCRIPTION TYPE STRING,
PREPAYMENTREQUESTAMOUNT TYPE STRING,
PREPAYMENTREQUESTCURRENCY TYPE STRING,
PREPAYMENTREQUEST TYPE STRING,
PREPAYMENTREQUESTISDELETED TYPE STRING,
PREPAYMENTREQPOSTINGSTATUS TYPE STRING,
PREPAYMENTREQPOSTSTATUSTEXT TYPE STRING,
POSTINGSTATUSCRITICALITY TYPE STRING,
PREPAYMENTSERIALNUMBER TYPE STRING,
CONDITIONAPPLICATION TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
TRADINGCONTRACTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CACPPMGPART_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_CACPPMGPART_STR-MANDT sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTUUID sy-vline 
WA_CACPPMGPART_STR-SAPBUSINESSOBJECTTYPECODE sy-vline 
WA_CACPPMGPART_STR-TRADINGCONTRACT sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTDOCITEM sy-vline 
WA_CACPPMGPART_STR-CUSTOMERPAYMENTTERMS sy-vline 
WA_CACPPMGPART_STR-CUSTOMERPAYMENTTERMDESCRIPTION sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTISREQUESTED sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTDATE sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTISRECEIVED sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTISMADE sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTTYPE sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTAGREEMENTDESCRIPTION sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTAMOUNT sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTCURRENCY sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUEST sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQUESTISDELETED sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQPOSTINGSTATUS sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTREQPOSTSTATUSTEXT sy-vline 
WA_CACPPMGPART_STR-POSTINGSTATUSCRITICALITY sy-vline 
WA_CACPPMGPART_STR-PREPAYMENTSERIALNUMBER sy-vline 
WA_CACPPMGPART_STR-CONDITIONAPPLICATION sy-vline 
WA_CACPPMGPART_STR-CREATEDBYUSER sy-vline 
WA_CACPPMGPART_STR-CREATIONDATETIME sy-vline 
WA_CACPPMGPART_STR-LASTCHANGEDBYUSER sy-vline 
WA_CACPPMGPART_STR-LASTCHANGEDATETIME sy-vline 
WA_CACPPMGPART_STR-TRADINGCONTRACTTYPE sy-vline 
WA_CACPPMGPART_STR-SALESORGANIZATION sy-vline 
WA_CACPPMGPART_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CACPPMGPART_STR-DIVISION sy-vline 
WA_CACPPMGPART_STR-PURCHASINGGROUP sy-vline 
WA_CACPPMGPART_STR-PURCHASINGORGANIZATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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