ABAP Select data from SAP table /MRSS/T_CUP_ASG_WFM_DET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MRSS/T_CUP_ASG_WFM_DET
*  INTO TABLE @DATA(IT_/MRSS/T_CUP_ASG_WFM_DET2).
*--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_/MRSS/T_CUP_ASG_WFM_DET INDEX 1 INTO DATA(WA_/MRSS/T_CUP_ASG_WFM_DET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MRSS/T_CUP_ASG_WFM_DET>-ASSIGNMENT_KEY = 1.
</MRSS/T_CUP_ASG_WFM_DET>-DEMAND_KEY = 1.
</MRSS/T_CUP_ASG_WFM_DET>-RESOURCE_KEY = 1.
</MRSS/T_CUP_ASG_WFM_DET>-BEG_TSTMP = 1.
</MRSS/T_CUP_ASG_WFM_DET>-END_TSTMP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MRSS/T_CUP_ASG_WFM_DET-DURATION, sy-vline,
  WA_/MRSS/T_CUP_ASG_WFM_DET-REMAINING_DURATION, sy-vline,
  WA_/MRSS/T_CUP_ASG_WFM_DET-PARENT_KEY, sy-vline,
  WA_/MRSS/T_CUP_ASG_WFM_DET-ROOT_KEY, sy-vline,
  WA_/MRSS/T_CUP_ASG_WFM_DET-BOOKING_TYPE, sy-vline,
  WA_/MRSS/T_CUP_ASG_WFM_DET-CONCRETE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MRSS/T_CUP_ASG_WFM_DET 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_/MRSS/T_CUP_ASG_WFM_DET 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_/MRSS/T_CUP_ASG_WFM_DET INTO WA_/MRSS/T_CUP_ASG_WFM_DET.


*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 CUNIT, internal->external for field PLANNING_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_CUP_ASG_WFM_DET-PLANNING_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_CUP_ASG_WFM_DET-PLANNING_UNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field TRV_FRM_DUR_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_CUP_ASG_WFM_DET-TRV_FRM_DUR_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_CUP_ASG_WFM_DET-TRV_FRM_DUR_UNIT.
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_/MRSS/T_CUP_ASG_WFM_DET_STR, 
ASSIGNMENT_KEY TYPE STRING,
DEMAND_KEY TYPE STRING,
RESOURCE_KEY TYPE STRING,
BEG_TSTMP TYPE STRING,
END_TSTMP TYPE STRING,
DURATION TYPE STRING,
REMAINING_DURATION TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
BOOKING_TYPE TYPE STRING,
CONCRETE TYPE STRING,
WTIME_BASED TYPE STRING,
RULE_BASED TYPE STRING,
APPL_STATUS TYPE STRING,
PLANNING_TYPE TYPE STRING,
PLANNING_UNIT TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AWTYP TYPE STRING,
CREATED_LOGSYS TYPE STRING,
CREATED TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED TYPE STRING,
CHANGED_AWTYP TYPE STRING,
CHANGED_LOGSYS TYPE STRING,
DESCRIPTION TYPE STRING,
RES_UTIL_RATIO TYPE STRING,
RES_UTIL_RATIO_ORIGIN TYPE STRING,
RES_TYPE TYPE STRING,
STATUS_TAB TYPE STRING,
ASS_PROB TYPE STRING,
NO_TRAVEL_COST TYPE STRING,
MOBILE_INDICATOR TYPE STRING,
ASS_SUPERVISOR TYPE STRING,
RES_UTIL_RAT TYPE STRING,
RES_UTIL_RAT_ORG TYPE STRING,
PART_CONC_ATTR TYPE STRING,
TRAVEL_TIME_MODE TYPE STRING,
TRV_DISPLAY_TO TYPE STRING,
TRV_DISPLAY_FROM TYPE STRING,
IS_RES_FIXED TYPE STRING,
IS_DATE_FIXED TYPE STRING,
UTILIZ TYPE STRING,
PARENT_GUID TYPE STRING,
TIME_RULE_ID TYPE STRING,
IS_CHILD TYPE STRING,
SETTLEMENT_TYPE TYPE STRING,
SPLIT_NUMBER TYPE STRING,
MULT_SLOTS TYPE STRING,
ASG_FOLLOWS_DEMAND TYPE STRING,
DUMMY TYPE STRING,
ASSIGNMENT_TYPE TYPE STRING,
DEMAND TYPE STRING,
STATUS_TAB TYPE STRING,
SUPERVISOR TYPE STRING,
MOBILE_STATUS TYPE STRING,
TRV_TO_BEGIN TYPE STRING,
TRV_TO_END TYPE STRING,
TRV_TO_DURATION TYPE STRING,
TRV_TO_DUR_UNIT TYPE STRING,
TRV_TO_DISTANCE TYPE STRING,
TRV_TO_DIS_UNIT TYPE STRING,
TRV_TO_MANU_SET TYPE STRING,
TRV_TO_PROFILE TYPE STRING,
TRV_FRM_BEGIN TYPE STRING,
TRV_FRM_END TYPE STRING,
TRV_FRM_DURATION TYPE STRING,
TRV_FRM_DUR_UNIT TYPE STRING,
TRV_FRM_DISTANCE TYPE STRING,
TRV_FRM_DIS_UNIT TYPE STRING,
TRV_FRM_MANU_SET TYPE STRING,
TRV_FRM_PROFILE TYPE STRING,
DELETED TYPE STRING,
MESSAGE TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MRSS/T_CUP_ASG_WFM_DET_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_/MRSS/T_CUP_ASG_WFM_DET_STR-ASSIGNMENT_KEY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-DEMAND_KEY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RESOURCE_KEY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-BEG_TSTMP sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-END_TSTMP sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-DURATION sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-REMAINING_DURATION sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-PARENT_KEY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-ROOT_KEY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-BOOKING_TYPE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CONCRETE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-WTIME_BASED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RULE_BASED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-APPL_STATUS sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-PLANNING_TYPE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-PLANNING_UNIT sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CREATED_BY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CREATED_AWTYP sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CREATED_LOGSYS sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CREATED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CHANGED_BY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CHANGED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CHANGED_AWTYP sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-CHANGED_LOGSYS sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-DESCRIPTION sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RES_UTIL_RATIO sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RES_UTIL_RATIO_ORIGIN sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RES_TYPE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-STATUS_TAB sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-ASS_PROB sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-NO_TRAVEL_COST sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MOBILE_INDICATOR sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-ASS_SUPERVISOR sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RES_UTIL_RAT sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-RES_UTIL_RAT_ORG sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-PART_CONC_ATTR sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRAVEL_TIME_MODE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_DISPLAY_TO sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_DISPLAY_FROM sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-IS_RES_FIXED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-IS_DATE_FIXED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-UTILIZ sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-PARENT_GUID sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TIME_RULE_ID sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-IS_CHILD sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-SETTLEMENT_TYPE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-SPLIT_NUMBER sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MULT_SLOTS sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-ASG_FOLLOWS_DEMAND sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-DUMMY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-ASSIGNMENT_TYPE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-DEMAND sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-STATUS_TAB sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-SUPERVISOR sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MOBILE_STATUS sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_BEGIN sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_END sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_DURATION sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_DUR_UNIT sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_DISTANCE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_DIS_UNIT sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_MANU_SET sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_TO_PROFILE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_BEGIN sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_END sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_DURATION sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_DUR_UNIT sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_DISTANCE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_DIS_UNIT sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_MANU_SET sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-TRV_FRM_PROFILE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-DELETED sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MESSAGE sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGTY sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGID sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGNO sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGV1 sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGV2 sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGV3 sy-vline 
WA_/MRSS/T_CUP_ASG_WFM_DET_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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