ABAP Select data from SAP table /OSP/TRIP_REQUEST_DTO1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /OSP/TRIP_REQUEST_DTO1 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 /OSP/TRIP_REQUEST_DTO1. 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 /OSP/TRIP_REQUEST_DTO1 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_/OSP/TRIP_REQUEST_DTO1 TYPE STANDARD TABLE OF /OSP/TRIP_REQUEST_DTO1,
      WA_/OSP/TRIP_REQUEST_DTO1 TYPE /OSP/TRIP_REQUEST_DTO1,
      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: </OSP/TRIP_REQUEST_DTO1> TYPE /OSP/TRIP_REQUEST_DTO1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/OSP/TRIP_REQUEST_DTO1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /OSP/TRIP_REQUEST_DTO1
  INTO TABLE IT_/OSP/TRIP_REQUEST_DTO1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /OSP/TRIP_REQUEST_DTO1
*  INTO TABLE @DATA(IT_/OSP/TRIP_REQUEST_DTO12).
*--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_/OSP/TRIP_REQUEST_DTO1 INDEX 1 INTO DATA(WA_/OSP/TRIP_REQUEST_DTO12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/OSP/TRIP_REQUEST_DTO1 ASSIGNING </OSP/TRIP_REQUEST_DTO1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</OSP/TRIP_REQUEST_DTO1>-CONTROLLER = 1.
</OSP/TRIP_REQUEST_DTO1>-ACTIVITY = 1.
</OSP/TRIP_REQUEST_DTO1>-CONTROLLER = 1.
</OSP/TRIP_REQUEST_DTO1>-ACTIVITY_BUFFER1 = 1.
</OSP/TRIP_REQUEST_DTO1>-ACTIVITY_BUFFER2 = 1.

ENDLOOP.

LOOP AT IT_/OSP/TRIP_REQUEST_DTO1 INTO WA_/OSP/TRIP_REQUEST_DTO1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/OSP/TRIP_REQUEST_DTO1-ACTIVITY_CODE, sy-vline,
  WA_/OSP/TRIP_REQUEST_DTO1-ACTIVITY_DESCRIPTION, sy-vline,
  WA_/OSP/TRIP_REQUEST_DTO1-B_LANK, sy-vline,
  WA_/OSP/TRIP_REQUEST_DTO1-ACTOR, sy-vline,
  WA_/OSP/TRIP_REQUEST_DTO1-ACTOR_LOCALE, sy-vline,
  WA_/OSP/TRIP_REQUEST_DTO1-ACTOR_TIME_ZONE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/OSP/TRIP_REQUEST_DTO1 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_/OSP/TRIP_REQUEST_DTO1 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_/OSP/TRIP_REQUEST_DTO1 INTO WA_/OSP/TRIP_REQUEST_DTO1.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/OSP/TRIP_REQUEST_DTO1_STR, 
CONTROLLER TYPE STRING,
ACTIVITY TYPE STRING,
CONTROLLER TYPE STRING,
ACTIVITY_BUFFER1 TYPE STRING,
ACTIVITY_BUFFER2 TYPE STRING,
ACTIVITY_CODE TYPE STRING,
ACTIVITY_DESCRIPTION TYPE STRING,
B_LANK TYPE STRING,
ACTOR TYPE STRING,
ACTOR_LOCALE TYPE STRING,
ACTOR_TIME_ZONE TYPE STRING,
BUFFER10 TYPE STRING,
BUFFER11 TYPE STRING,
BUFFER12 TYPE STRING,
COST_ASSIGNEMNT TYPE STRING,
CONTROLLER TYPE STRING,
COST_ASSIGNMENT_DTO TYPE STRING,
DESTINATION_FLAG TYPE STRING,
ESTIMATED_COST TYPE STRING,
ESTIMATED_COST_CURRENCY TYPE STRING,
INITIATOR_R3NAME TYPE STRING,
NOTES_TO_APPROVER TYPE STRING,
REASON TYPE STRING,
REQUEST_END_DATE_TIME TYPE STRING,
REQUEST_START_DATE_TIME TYPE STRING,
REQUEST_STATUS TYPE STRING,
TRIP_ADDRESS TYPE STRING,
CONTROLLER TYPE STRING,
ADDRESS TYPE STRING,
CONTROLLER TYPE STRING,
ADDRESS_NAME TYPE STRING,
BUFFER7 TYPE STRING,
BUFFER8 TYPE STRING,
BUFFER9 TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_NAME TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
CONTROLLER TYPE STRING,
COUNTRY_CODE TYPE STRING,
COUNTRY_DESCRIPTION TYPE STRING,
HOUSE_NUMBER TYPE STRING,
IATA_FLIGHT TYPE STRING,
IATA_GROUND TYPE STRING,
LATITUDE TYPE STRING,
LONGITUDE TYPE STRING,
PLACE_NAME TYPE STRING,
POSTAL_CODE TYPE STRING,
REGION TYPE STRING,
CONTROLLER TYPE STRING,
REGION_CODE TYPE STRING,
REGION_DESCRIPTION TYPE STRING,
STATE TYPE STRING,
STREET TYPE STRING,
TIME_ZONE TYPE STRING,
TRAIN_STATION TYPE STRING,
BUFFER1 TYPE STRING,
BUFFER2 TYPE STRING,
BUFFER3 TYPE STRING,
TRIP_DURATION TYPE STRING,
TRIP_LOCATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/OSP/TRIP_REQUEST_DTO1_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_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTIVITY sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTIVITY_BUFFER1 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTIVITY_BUFFER2 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTIVITY_CODE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTIVITY_DESCRIPTION sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-B_LANK sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTOR sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTOR_LOCALE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ACTOR_TIME_ZONE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER10 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER11 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER12 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-COST_ASSIGNEMNT sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-COST_ASSIGNMENT_DTO sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-DESTINATION_FLAG sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ESTIMATED_COST sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ESTIMATED_COST_CURRENCY sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-INITIATOR_R3NAME sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-NOTES_TO_APPROVER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REASON sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REQUEST_END_DATE_TIME sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REQUEST_START_DATE_TIME sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REQUEST_STATUS sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-TRIP_ADDRESS sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ADDRESS sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-ADDRESS_NAME sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER7 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER8 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER9 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CATEGORY sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CATEGORY_NAME sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CITY sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-COUNTRY sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-COUNTRY_CODE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-COUNTRY_DESCRIPTION sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-HOUSE_NUMBER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-IATA_FLIGHT sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-IATA_GROUND sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-LATITUDE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-LONGITUDE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-PLACE_NAME sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-POSTAL_CODE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REGION sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-CONTROLLER sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REGION_CODE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-REGION_DESCRIPTION sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-STATE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-STREET sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-TIME_ZONE sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-TRAIN_STATION sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER1 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER2 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-BUFFER3 sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-TRIP_DURATION sy-vline 
WA_/OSP/TRIP_REQUEST_DTO1_STR-TRIP_LOCATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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