ABAP Select data from SAP table CPD_WS_S_ODATA_MASTERPROJECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPD_WS_S_ODATA_MASTERPROJECT
*  INTO TABLE @DATA(IT_CPD_WS_S_ODATA_MASTERPROJECT2).
*--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_CPD_WS_S_ODATA_MASTERPROJECT INDEX 1 INTO DATA(WA_CPD_WS_S_ODATA_MASTERPROJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPD_WS_S_ODATA_MASTERPROJECT>-MP_KEY = 1.
<CPD_WS_S_ODATA_MASTERPROJECT>-MP_ID = 1.
<CPD_WS_S_ODATA_MASTERPROJECT>-MP_DESC = 1.
<CPD_WS_S_ODATA_MASTERPROJECT>-MP_TYPE = 1.
<CPD_WS_S_ODATA_MASTERPROJECT>-MP_STAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPD_WS_S_ODATA_MASTERPROJECT-START_DATE, sy-vline,
  WA_CPD_WS_S_ODATA_MASTERPROJECT-END_DATE, sy-vline,
  WA_CPD_WS_S_ODATA_MASTERPROJECT-CUSTOMER, sy-vline,
  WA_CPD_WS_S_ODATA_MASTERPROJECT-ORG_ID, sy-vline,
  WA_CPD_WS_S_ODATA_MASTERPROJECT-CONFIDENTIAL, sy-vline,
  WA_CPD_WS_S_ODATA_MASTERPROJECT-CONTACT_ONFLY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPD_WS_S_ODATA_MASTERPROJECT 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_CPD_WS_S_ODATA_MASTERPROJECT 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_CPD_WS_S_ODATA_MASTERPROJECT INTO WA_CPD_WS_S_ODATA_MASTERPROJECT.


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

*Conversion exit ALPHA, internal->external for field PROFIT_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPD_WS_S_ODATA_MASTERPROJECT-PROFIT_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPD_WS_S_ODATA_MASTERPROJECT-PROFIT_CENTER.
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_CPD_WS_S_ODATA_MASTERPROJECT_STR, 
MP_KEY TYPE STRING,
MP_ID TYPE STRING,
MP_DESC TYPE STRING,
MP_TYPE TYPE STRING,
MP_STAGE TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
CUSTOMER TYPE STRING,
ORG_ID TYPE STRING,
CONFIDENTIAL TYPE STRING,
CONTACT_ONFLY TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
ACTIVE TYPE STRING,
INT_INSPECT_DATE TYPE STRING,
EXT_INSPECT_DATE TYPE STRING,
WORK_TYPE TYPE STRING,
INDUSTRY TYPE STRING,
PROJ_RISK TYPE STRING,
FIN_RISK TYPE STRING,
TECH_RISK TYPE STRING,
INDIC TYPE STRING,
CR_RELEVANT TYPE STRING,
OVERALL_RISK TYPE STRING,
EY TYPE STRING,
COST_CENTER TYPE STRING,
PROFIT_CENTER TYPE STRING,
/CPD/MP_DUMMY_INCL_EEW_PS TYPE STRING,
MPTYPE_DESC TYPE STRING,
MP_STAGE_DESC TYPE STRING,
CUSTOMER_NAME TYPE STRING,
ORGID_DESC TYPE STRING,
TECHRISK_DESC TYPE STRING,
FINRISK_DESC TYPE STRING,
PROJRISK_DESC TYPE STRING,
OVERALLRISK_DESC TYPE STRING,
WORKTYPE_DESC TYPE STRING,
CONFIDENTIAL_DESC TYPE STRING,
/CPD/DUMMY_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPD_WS_S_ODATA_MASTERPROJECT_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_CPD_WS_S_ODATA_MASTERPROJECT_STR-MP_KEY sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-MP_ID sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-MP_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-MP_TYPE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-MP_STAGE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-START_DATE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-END_DATE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-CUSTOMER sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-ORG_ID sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-CONFIDENTIAL sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-CONTACT_ONFLY sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-COUNTRY sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-REGION sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-ACTIVE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-INT_INSPECT_DATE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-EXT_INSPECT_DATE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-WORK_TYPE sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-INDUSTRY sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-PROJ_RISK sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-FIN_RISK sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-TECH_RISK sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-INDIC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-CR_RELEVANT sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-OVERALL_RISK sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-EY sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-COST_CENTER sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-PROFIT_CENTER sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-/CPD/MP_DUMMY_INCL_EEW_PS sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-MPTYPE_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-MP_STAGE_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-CUSTOMER_NAME sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-ORGID_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-TECHRISK_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-FINRISK_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-PROJRISK_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-OVERALLRISK_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-WORKTYPE_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-CONFIDENTIAL_DESC sy-vline 
WA_CPD_WS_S_ODATA_MASTERPROJECT_STR-/CPD/DUMMY_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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