ABAP Select data from SAP table /CPD/SC_S_ENGMNT_ODATA_EXPAND into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CPD/SC_S_ENGMNT_ODATA_EXPAND 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/SC_S_ENGMNT_ODATA_EXPAND. 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/SC_S_ENGMNT_ODATA_EXPAND 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/SC_S_ENGMNT_ODATA_EXPAND TYPE STANDARD TABLE OF /CPD/SC_S_ENGMNT_ODATA_EXPAND,
      WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND TYPE /CPD/SC_S_ENGMNT_ODATA_EXPAND,
      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/SC_S_ENGMNT_ODATA_EXPAND> TYPE /CPD/SC_S_ENGMNT_ODATA_EXPAND.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CPD/SC_S_ENGMNT_ODATA_EXPAND
  INTO TABLE IT_/CPD/SC_S_ENGMNT_ODATA_EXPAND.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CPD/SC_S_ENGMNT_ODATA_EXPAND
*  INTO TABLE @DATA(IT_/CPD/SC_S_ENGMNT_ODATA_EXPAND2).
*--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/SC_S_ENGMNT_ODATA_EXPAND INDEX 1 INTO DATA(WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CPD/SC_S_ENGMNT_ODATA_EXPAND ASSIGNING </CPD/SC_S_ENGMNT_ODATA_EXPAND>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CPD/SC_S_ENGMNT_ODATA_EXPAND>-KEY = 1.
</CPD/SC_S_ENGMNT_ODATA_EXPAND>-MP_ID = 1.
</CPD/SC_S_ENGMNT_ODATA_EXPAND>-MP_TYPE = 1.
</CPD/SC_S_ENGMNT_ODATA_EXPAND>-MP_TITLE = 1.
</CPD/SC_S_ENGMNT_ODATA_EXPAND>-START_DATE = 1.

ENDLOOP.

LOOP AT IT_/CPD/SC_S_ENGMNT_ODATA_EXPAND INTO WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-END_DATE, sy-vline,
  WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-CUSTOMER, sy-vline,
  WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-CUST_NAME, sy-vline,
  WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-MP_STAGE, sy-vline,
  WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-MP_STAGE_DESC, sy-vline,
  WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-INDUSTRY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND 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/SC_S_ENGMNT_ODATA_EXPAND 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/SC_S_ENGMNT_ODATA_EXPAND INTO WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND.


*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 SALES_ORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-SALES_ORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-SALES_ORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-COST_CENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND-PRODUCT.
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/SC_S_ENGMNT_ODATA_EXPAND_STR, 
KEY TYPE STRING,
MP_ID TYPE STRING,
MP_TYPE TYPE STRING,
MP_TITLE TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
CUSTOMER TYPE STRING,
CUST_NAME TYPE STRING,
MP_STAGE TYPE STRING,
MP_STAGE_DESC TYPE STRING,
INDUSTRY TYPE STRING,
REGION TYPE STRING,
PROJ_RISK TYPE STRING,
FIN_RISK TYPE STRING,
FP_DESC TYPE STRING,
PROJ_MANAGER_ID TYPE STRING,
PROJ_MANAGER_NAME TYPE STRING,
MARGIN TYPE STRING,
SALES_ORDER TYPE STRING,
SALES_PRICE TYPE STRING,
COST_CENTER TYPE STRING,
PLAN_COSTS TYPE STRING,
ACTUAL_COSTS TYPE STRING,
PLANNED_EFFORT TYPE STRING,
ACTUAL_EFFORT TYPE STRING,
REVENUE TYPE STRING,
CURRENCY TYPE STRING,
UNIT TYPE STRING,
FAVOURITE TYPE STRING,
ORG_ID TYPE STRING,
PRODUCT TYPE STRING,
MARKT_SEGMNT TYPE STRING,
PROJENGELEMENTSSET TYPE STRING,
PROJENGRESOURCESSET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_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/SC_S_ENGMNT_ODATA_EXPAND_STR-KEY sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MP_ID sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MP_TYPE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MP_TITLE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-START_DATE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-END_DATE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-CUSTOMER sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-CUST_NAME sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MP_STAGE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MP_STAGE_DESC sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-INDUSTRY sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-REGION sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PROJ_RISK sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-FIN_RISK sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-FP_DESC sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PROJ_MANAGER_ID sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PROJ_MANAGER_NAME sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MARGIN sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-SALES_ORDER sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-SALES_PRICE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-COST_CENTER sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PLAN_COSTS sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-ACTUAL_COSTS sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PLANNED_EFFORT sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-ACTUAL_EFFORT sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-REVENUE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-CURRENCY sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-UNIT sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-FAVOURITE sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-ORG_ID sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PRODUCT sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-MARKT_SEGMNT sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PROJENGELEMENTSSET sy-vline 
WA_/CPD/SC_S_ENGMNT_ODATA_EXPAND_STR-PROJENGRESOURCESSET sy-vline      INTO ld_text SEPARATED BY SPACE.

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