ABAP Select data from SAP table CPROJWORCPSTNG into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPROJWORCPSTNG
*  INTO TABLE @DATA(IT_CPROJWORCPSTNG2).
*--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_CPROJWORCPSTNG INDEX 1 INTO DATA(WA_CPROJWORCPSTNG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPROJWORCPSTNG>-MANDT = 1.
<CPROJWORCPSTNG>-PROJECT = 1.
<CPROJWORCPSTNG>-COMPANYCODE = 1.
<CPROJWORCPSTNG>-PROFITCENTER = 1.
<CPROJWORCPSTNG>-MONTHINFIRSTINTERVAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPROJWORCPSTNG-MONTHINSECONDINTERVAL, sy-vline,
  WA_CPROJWORCPSTNG-MONTHINTHIRDINTERVAL, sy-vline,
  WA_CPROJWORCPSTNG-PROJECTINTERNALID, sy-vline,
  WA_CPROJWORCPSTNG-CONTROLLINGAREA, sy-vline,
  WA_CPROJWORCPSTNG-CURRENTDATE, sy-vline,
  WA_CPROJWORCPSTNG-PROJECTUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPROJWORCPSTNG 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_CPROJWORCPSTNG 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_CPROJWORCPSTNG INTO WA_CPROJWORCPSTNG.


*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 PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPROJWORCPSTNG-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPROJWORCPSTNG-PROFITCENTER.
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_CPROJWORCPSTNG_STR, 
MANDT TYPE STRING,
PROJECT TYPE STRING,
COMPANYCODE TYPE STRING,
PROFITCENTER TYPE STRING,
MONTHINFIRSTINTERVAL TYPE STRING,
MONTHINSECONDINTERVAL TYPE STRING,
MONTHINTHIRDINTERVAL TYPE STRING,
PROJECTINTERNALID TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CURRENTDATE TYPE STRING,
PROJECTUUID TYPE STRING,
BUSINESSPARTNERFULLNAME TYPE STRING,
PROJECTTYPE TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
PROJECTDESCRIPTION TYPE STRING,
PROJECTSMAXCREATIONDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPROJWORCPSTNG_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_CPROJWORCPSTNG_STR-MANDT sy-vline 
WA_CPROJWORCPSTNG_STR-PROJECT sy-vline 
WA_CPROJWORCPSTNG_STR-COMPANYCODE sy-vline 
WA_CPROJWORCPSTNG_STR-PROFITCENTER sy-vline 
WA_CPROJWORCPSTNG_STR-MONTHINFIRSTINTERVAL sy-vline 
WA_CPROJWORCPSTNG_STR-MONTHINSECONDINTERVAL sy-vline 
WA_CPROJWORCPSTNG_STR-MONTHINTHIRDINTERVAL sy-vline 
WA_CPROJWORCPSTNG_STR-PROJECTINTERNALID sy-vline 
WA_CPROJWORCPSTNG_STR-CONTROLLINGAREA sy-vline 
WA_CPROJWORCPSTNG_STR-CURRENTDATE sy-vline 
WA_CPROJWORCPSTNG_STR-PROJECTUUID sy-vline 
WA_CPROJWORCPSTNG_STR-BUSINESSPARTNERFULLNAME sy-vline 
WA_CPROJWORCPSTNG_STR-PROJECTTYPE sy-vline 
WA_CPROJWORCPSTNG_STR-BUSINESSPARTNERUUID sy-vline 
WA_CPROJWORCPSTNG_STR-PROJECTDESCRIPTION sy-vline 
WA_CPROJWORCPSTNG_STR-PROJECTSMAXCREATIONDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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