ABAP Select data from SAP table CPPMPROJELEMPROG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPPMPROJELEMPROG
*  INTO TABLE @DATA(IT_CPPMPROJELEMPROG2).
*--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_CPPMPROJELEMPROG INDEX 1 INTO DATA(WA_CPPMPROJELEMPROG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPPMPROJELEMPROG>-MANDT = 1.
<CPPMPROJELEMPROG>-TASKUUID = 1.
<CPPMPROJELEMPROG>-TASKUUIDRAW = 1.
<CPPMPROJELEMPROG>-PROJECTUUID = 1.
<CPPMPROJELEMPROG>-PARENTOBJECTUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPPMPROJELEMPROG-OBJECTTYPE, sy-vline,
  WA_CPPMPROJELEMPROG-ORDINALNUMBER, sy-vline,
  WA_CPPMPROJELEMPROG-OBJECTNAME, sy-vline,
  WA_CPPMPROJELEMPROG-HIERARCHYNODELEVEL, sy-vline,
  WA_CPPMPROJELEMPROG-ISCRITICALPATH, sy-vline,
  WA_CPPMPROJELEMPROG-ISPROJECTMILESTONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPPMPROJELEMPROG 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_CPPMPROJELEMPROG 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_CPPMPROJELEMPROG INTO WA_CPPMPROJELEMPROG.


*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 SXIDN, internal->external for field EMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CPPMPROJELEMPROG-EMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPPMPROJELEMPROG-EMAILADDRESS.
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_CPPMPROJELEMPROG_STR, 
MANDT TYPE STRING,
TASKUUID TYPE STRING,
TASKUUIDRAW TYPE STRING,
PROJECTUUID TYPE STRING,
PARENTOBJECTUUID TYPE STRING,
OBJECTTYPE TYPE STRING,
ORDINALNUMBER TYPE STRING,
OBJECTNAME TYPE STRING,
HIERARCHYNODELEVEL TYPE STRING,
ISCRITICALPATH TYPE STRING,
ISPROJECTMILESTONE TYPE STRING,
ISSUMMARYTASK TYPE STRING,
FACTORYCALENDAR TYPE STRING,
PROCESSINGSTATUS TYPE STRING,
PROCESSINGSTATUSTEXT TYPE STRING,
STARTCONSTRAINTTYPE TYPE STRING,
FINISHCONSTRAINTTYPE TYPE STRING,
LATESTSTARTDATETIME TYPE STRING,
LATESTFINISHDATETIME TYPE STRING,
FORECASTEDFINISHDATETIME TYPE STRING,
ACTUALFINISHDATETIME TYPE STRING,
ISMAINMILESTONE TYPE STRING,
PROJECTELEMENTDURATION TYPE STRING,
PERCENTAGEOFCOMPLETION TYPE STRING,
REMAININGWORKQUANTITY TYPE STRING,
REMAININGWORKQUANTITYUNITNAME TYPE STRING,
CRITICALITYCODE TYPE STRING,
SEVERITYTEXT TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
PROJECTROLENAME TYPE STRING,
EMAILADDRESS TYPE STRING,
MOBILEPHONENUMBER TYPE STRING,
ADDRESSPHONENUMBER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPPMPROJELEMPROG_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_CPPMPROJELEMPROG_STR-MANDT sy-vline 
WA_CPPMPROJELEMPROG_STR-TASKUUID sy-vline 
WA_CPPMPROJELEMPROG_STR-TASKUUIDRAW sy-vline 
WA_CPPMPROJELEMPROG_STR-PROJECTUUID sy-vline 
WA_CPPMPROJELEMPROG_STR-PARENTOBJECTUUID sy-vline 
WA_CPPMPROJELEMPROG_STR-OBJECTTYPE sy-vline 
WA_CPPMPROJELEMPROG_STR-ORDINALNUMBER sy-vline 
WA_CPPMPROJELEMPROG_STR-OBJECTNAME sy-vline 
WA_CPPMPROJELEMPROG_STR-HIERARCHYNODELEVEL sy-vline 
WA_CPPMPROJELEMPROG_STR-ISCRITICALPATH sy-vline 
WA_CPPMPROJELEMPROG_STR-ISPROJECTMILESTONE sy-vline 
WA_CPPMPROJELEMPROG_STR-ISSUMMARYTASK sy-vline 
WA_CPPMPROJELEMPROG_STR-FACTORYCALENDAR sy-vline 
WA_CPPMPROJELEMPROG_STR-PROCESSINGSTATUS sy-vline 
WA_CPPMPROJELEMPROG_STR-PROCESSINGSTATUSTEXT sy-vline 
WA_CPPMPROJELEMPROG_STR-STARTCONSTRAINTTYPE sy-vline 
WA_CPPMPROJELEMPROG_STR-FINISHCONSTRAINTTYPE sy-vline 
WA_CPPMPROJELEMPROG_STR-LATESTSTARTDATETIME sy-vline 
WA_CPPMPROJELEMPROG_STR-LATESTFINISHDATETIME sy-vline 
WA_CPPMPROJELEMPROG_STR-FORECASTEDFINISHDATETIME sy-vline 
WA_CPPMPROJELEMPROG_STR-ACTUALFINISHDATETIME sy-vline 
WA_CPPMPROJELEMPROG_STR-ISMAINMILESTONE sy-vline 
WA_CPPMPROJELEMPROG_STR-PROJECTELEMENTDURATION sy-vline 
WA_CPPMPROJELEMPROG_STR-PERCENTAGEOFCOMPLETION sy-vline 
WA_CPPMPROJELEMPROG_STR-REMAININGWORKQUANTITY sy-vline 
WA_CPPMPROJELEMPROG_STR-REMAININGWORKQUANTITYUNITNAME sy-vline 
WA_CPPMPROJELEMPROG_STR-CRITICALITYCODE sy-vline 
WA_CPPMPROJELEMPROG_STR-SEVERITYTEXT sy-vline 
WA_CPPMPROJELEMPROG_STR-BUSINESSPARTNERUUID sy-vline 
WA_CPPMPROJELEMPROG_STR-BUSINESSPARTNERNAME sy-vline 
WA_CPPMPROJELEMPROG_STR-AUTHORIZATIONGROUP sy-vline 
WA_CPPMPROJELEMPROG_STR-PROJECTROLENAME sy-vline 
WA_CPPMPROJELEMPROG_STR-EMAILADDRESS sy-vline 
WA_CPPMPROJELEMPROG_STR-MOBILEPHONENUMBER sy-vline 
WA_CPPMPROJELEMPROG_STR-ADDRESSPHONENUMBER sy-vline 
WA_CPPMPROJELEMPROG_STR-WBSELEMENTINTERNALID sy-vline      INTO ld_text SEPARATED BY SPACE.

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