ABAP Select data from SAP table /MRSS/T_SGE_DSPLIT 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_SGE_DSPLIT 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_SGE_DSPLIT. 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_SGE_DSPLIT 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_SGE_DSPLIT TYPE STANDARD TABLE OF /MRSS/T_SGE_DSPLIT,
      WA_/MRSS/T_SGE_DSPLIT TYPE /MRSS/T_SGE_DSPLIT,
      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_SGE_DSPLIT> TYPE /MRSS/T_SGE_DSPLIT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MRSS/T_SGE_DSPLIT
*  INTO TABLE @DATA(IT_/MRSS/T_SGE_DSPLIT2).
*--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_SGE_DSPLIT INDEX 1 INTO DATA(WA_/MRSS/T_SGE_DSPLIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MRSS/T_SGE_DSPLIT>-TYPE = 1.
</MRSS/T_SGE_DSPLIT>-WORKITEM_ID = 1.
</MRSS/T_SGE_DSPLIT>-DESCRIPTION = 1.
</MRSS/T_SGE_DSPLIT>-ORG_UNIT = 1.
</MRSS/T_SGE_DSPLIT>-DURATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MRSS/T_SGE_DSPLIT-DURATION_UNIT, sy-vline,
  WA_/MRSS/T_SGE_DSPLIT-DURATION_VAL, sy-vline,
  WA_/MRSS/T_SGE_DSPLIT-TOTAL_WORK, sy-vline,
  WA_/MRSS/T_SGE_DSPLIT-TOTAL_WORK_UNIT, sy-vline,
  WA_/MRSS/T_SGE_DSPLIT-MULT_RES, sy-vline,
  WA_/MRSS/T_SGE_DSPLIT-UTIL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MRSS/T_SGE_DSPLIT 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_SGE_DSPLIT 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_SGE_DSPLIT INTO WA_/MRSS/T_SGE_DSPLIT.


*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 TOTAL_WORK_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_SGE_DSPLIT-TOTAL_WORK_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_SGE_DSPLIT-TOTAL_WORK_UNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field DEM1_MULT_RES
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_SGE_DSPLIT-DEM1_MULT_RES
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_SGE_DSPLIT-DEM1_MULT_RES.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEM2_MULT_RES
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_SGE_DSPLIT-DEM2_MULT_RES
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_SGE_DSPLIT-DEM2_MULT_RES.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEM_COVERED_RES
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_SGE_DSPLIT-DEM_COVERED_RES
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_SGE_DSPLIT-DEM_COVERED_RES.
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_SGE_DSPLIT_STR, 
TYPE TYPE STRING,
WORKITEM_ID TYPE STRING,
DESCRIPTION TYPE STRING,
ORG_UNIT TYPE STRING,
DURATION TYPE STRING,
DURATION_UNIT TYPE STRING,
DURATION_VAL TYPE STRING,
TOTAL_WORK TYPE STRING,
TOTAL_WORK_UNIT TYPE STRING,
MULT_RES TYPE STRING,
UTIL TYPE STRING,
SPLITS TYPE STRING,
SPLIT_DATA TYPE STRING,
DEM1_DEM_TYPE TYPE STRING,
DEM1_SERV_GROUP TYPE STRING,
DEM1_ORG_UNIT TYPE STRING,
DEM1_GUID TYPE STRING,
DEM1_BEGDA TYPE STRING,
DEM1_BEG_UZEIT TYPE STRING,
DEM1_ENDDA TYPE STRING,
DEM1_END_UZEIT TYPE STRING,
DEM1_PLVAR TYPE STRING,
DEM1_OTYPE TYPE STRING,
DEM1_OBJID TYPE STRING,
DEM1_STAT_COMPL TYPE STRING,
DEM1_WORKCENTER_ID TYPE STRING,
DEM1_WORKCENTER_TYPE TYPE STRING,
DEM1_SUPERVISOR TYPE STRING,
DEM1_SUPERVISOR_NO TYPE STRING,
DEM1_DURATION_UNIT TYPE STRING,
DEM1_TOTAL_WORK_UNIT TYPE STRING,
DEM1_MULT_RES TYPE STRING,
DEM1_TOTAL_WORK TYPE STRING,
DEM1_DURATION_VAL TYPE STRING,
DEM2_SERV_GROUP TYPE STRING,
DEM2_ORG_UNIT TYPE STRING,
DEM2_GUID TYPE STRING,
DEM2_BEGDA TYPE STRING,
DEM2_BEG_UZEIT TYPE STRING,
DEM2_ENDDA TYPE STRING,
DEM2_END_UZEIT TYPE STRING,
DEM2_PLVAR TYPE STRING,
DEM2_OTYPE TYPE STRING,
DEM2_OBJID TYPE STRING,
DEM2_STAT_COMPL TYPE STRING,
DEM2_WORKCENTER_ID TYPE STRING,
DEM2_WORKCENTER_TYPE TYPE STRING,
DEM2_SUPERVISOR TYPE STRING,
DEM2_SUPERVISOR_NO TYPE STRING,
DEM2_DURATION_UNIT TYPE STRING,
DEM2_TOTAL_WORK TYPE STRING,
DEM2_TOTAL_WORK_UNIT TYPE STRING,
DEM2_MULT_RES TYPE STRING,
DEM2_DURATION_VAL TYPE STRING,
DEM_COVERED_RES TYPE STRING,
DEM_COVERED_SUP TYPE STRING,
DEM_COVERED_DUR TYPE STRING,
DEM_COVERED_DUR_UNIT TYPE STRING,
DEM_OPEN_RES TYPE STRING,
DEM_OPEN_SUP TYPE STRING,
DEM_OPEN_DUR TYPE STRING,
DEM_OPEN_DUR_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MRSS/T_SGE_DSPLIT_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_SGE_DSPLIT_STR-TYPE sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-WORKITEM_ID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DESCRIPTION sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-ORG_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DURATION sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DURATION_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DURATION_VAL sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-TOTAL_WORK sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-TOTAL_WORK_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-MULT_RES sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-UTIL sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-SPLITS sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-SPLIT_DATA sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_DEM_TYPE sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_SERV_GROUP sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_ORG_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_GUID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_BEGDA sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_BEG_UZEIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_ENDDA sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_END_UZEIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_PLVAR sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_OTYPE sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_OBJID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_STAT_COMPL sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_WORKCENTER_ID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_WORKCENTER_TYPE sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_SUPERVISOR sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_SUPERVISOR_NO sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_DURATION_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_TOTAL_WORK_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_MULT_RES sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_TOTAL_WORK sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM1_DURATION_VAL sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_SERV_GROUP sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_ORG_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_GUID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_BEGDA sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_BEG_UZEIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_ENDDA sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_END_UZEIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_PLVAR sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_OTYPE sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_OBJID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_STAT_COMPL sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_WORKCENTER_ID sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_WORKCENTER_TYPE sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_SUPERVISOR sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_SUPERVISOR_NO sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_DURATION_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_TOTAL_WORK sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_TOTAL_WORK_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_MULT_RES sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM2_DURATION_VAL sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_COVERED_RES sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_COVERED_SUP sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_COVERED_DUR sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_COVERED_DUR_UNIT sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_OPEN_RES sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_OPEN_SUP sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_OPEN_DUR sy-vline 
WA_/MRSS/T_SGE_DSPLIT_STR-DEM_OPEN_DUR_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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