ABAP Select data from SAP table CPROJBYCSTCOMP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPROJBYCSTCOMP
*  INTO TABLE @DATA(IT_CPROJBYCSTCOMP2).
*--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_CPROJBYCSTCOMP INDEX 1 INTO DATA(WA_CPROJBYCSTCOMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPROJBYCSTCOMP>-MANDT = 1.
<CPROJBYCSTCOMP>-PROJECT = 1.
<CPROJBYCSTCOMP>-SEMANTICTAG = 1.
<CPROJBYCSTCOMP>-PLANNINGCATEGORY = 1.
<CPROJBYCSTCOMP>-LEDGER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPROJBYCSTCOMP-POSTINGDATE, sy-vline,
  WA_CPROJBYCSTCOMP-SEMANTICTAGNAME, sy-vline,
  WA_CPROJBYCSTCOMP-ACTUALAMOUNTINGLOBALCURRENCY, sy-vline,
  WA_CPROJBYCSTCOMP-PLANAMOUNTINGLOBALCURRENCY, sy-vline,
  WA_CPROJBYCSTCOMP-GLOBALCURRENCY, sy-vline,
  WA_CPROJBYCSTCOMP-ACTUALCOSTFORCOSTCOMPONENT1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPROJBYCSTCOMP 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_CPROJBYCSTCOMP 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_CPROJBYCSTCOMP INTO WA_CPROJBYCSTCOMP.


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

*Conversion exit ALPHA, internal->external for field LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPROJBYCSTCOMP-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPROJBYCSTCOMP-LEDGER.
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_CPROJBYCSTCOMP_STR, 
MANDT TYPE STRING,
PROJECT TYPE STRING,
SEMANTICTAG TYPE STRING,
PLANNINGCATEGORY TYPE STRING,
LEDGER TYPE STRING,
POSTINGDATE TYPE STRING,
SEMANTICTAGNAME TYPE STRING,
ACTUALAMOUNTINGLOBALCURRENCY TYPE STRING,
PLANAMOUNTINGLOBALCURRENCY TYPE STRING,
GLOBALCURRENCY TYPE STRING,
ACTUALCOSTFORCOSTCOMPONENT1 TYPE STRING,
ACTUALCOSTFORCOSTCOMPONENT2 TYPE STRING,
ACTUALCOSTFORCOSTCOMPONENT3 TYPE STRING,
ACTUALCOSTFORCOSTCOMPONENT4 TYPE STRING,
ACTUALCOST TYPE STRING,
ACTUALCOSTCOMPONENTNAME1 TYPE STRING,
ACTUALCOSTCOMPONENTNAME2 TYPE STRING,
ACTUALCOSTCOMPONENTNAME3 TYPE STRING,
ACTUALCOSTCOMPONENTNAME4 TYPE STRING,
COSTCOMPONENTNAME TYPE STRING,
PLANCOSTFORCOSTCOMPONENT1 TYPE STRING,
PLANCOSTFORCOSTCOMPONENT2 TYPE STRING,
PLANCOSTFORCOSTCOMPONENT3 TYPE STRING,
PLANCOSTFORCOSTCOMPONENT4 TYPE STRING,
PLANNEDCOST TYPE STRING,
PLANCOSTCOMPONENTNAME1 TYPE STRING,
PLANCOSTCOMPONENTNAME2 TYPE STRING,
PLANCOSTCOMPONENTNAME3 TYPE STRING,
PLANCOSTCOMPONENTNAME4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPROJBYCSTCOMP_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_CPROJBYCSTCOMP_STR-MANDT sy-vline 
WA_CPROJBYCSTCOMP_STR-PROJECT sy-vline 
WA_CPROJBYCSTCOMP_STR-SEMANTICTAG sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANNINGCATEGORY sy-vline 
WA_CPROJBYCSTCOMP_STR-LEDGER sy-vline 
WA_CPROJBYCSTCOMP_STR-POSTINGDATE sy-vline 
WA_CPROJBYCSTCOMP_STR-SEMANTICTAGNAME sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALAMOUNTINGLOBALCURRENCY sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANAMOUNTINGLOBALCURRENCY sy-vline 
WA_CPROJBYCSTCOMP_STR-GLOBALCURRENCY sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTFORCOSTCOMPONENT1 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTFORCOSTCOMPONENT2 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTFORCOSTCOMPONENT3 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTFORCOSTCOMPONENT4 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOST sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTCOMPONENTNAME1 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTCOMPONENTNAME2 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTCOMPONENTNAME3 sy-vline 
WA_CPROJBYCSTCOMP_STR-ACTUALCOSTCOMPONENTNAME4 sy-vline 
WA_CPROJBYCSTCOMP_STR-COSTCOMPONENTNAME sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTFORCOSTCOMPONENT1 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTFORCOSTCOMPONENT2 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTFORCOSTCOMPONENT3 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTFORCOSTCOMPONENT4 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANNEDCOST sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTCOMPONENTNAME1 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTCOMPONENTNAME2 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTCOMPONENTNAME3 sy-vline 
WA_CPROJBYCSTCOMP_STR-PLANCOSTCOMPONENTNAME4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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