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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MRSS/T_CUP_RES_DETAILS
*  INTO TABLE @DATA(IT_/MRSS/T_CUP_RES_DETAILS2).
*--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_RES_DETAILS INDEX 1 INTO DATA(WA_/MRSS/T_CUP_RES_DETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MRSS/T_CUP_RES_DETAILS>-RESOURCE_KEY = 1.
</MRSS/T_CUP_RES_DETAILS>-ID = 1.
</MRSS/T_CUP_RES_DETAILS>-TEXT = 1.
</MRSS/T_CUP_RES_DETAILS>-TYPE = 1.
</MRSS/T_CUP_RES_DETAILS>-REL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MRSS/T_CUP_RES_DETAILS-EDIT_MODE, sy-vline,
  WA_/MRSS/T_CUP_RES_DETAILS-PERNR, sy-vline,
  WA_/MRSS/T_CUP_RES_DETAILS-BEGDA, sy-vline,
  WA_/MRSS/T_CUP_RES_DETAILS-BEG_UZEIT, sy-vline,
  WA_/MRSS/T_CUP_RES_DETAILS-ENDDA, sy-vline,
  WA_/MRSS/T_CUP_RES_DETAILS-END_UZEIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MRSS/T_CUP_RES_DETAILS 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_RES_DETAILS 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_RES_DETAILS INTO WA_/MRSS/T_CUP_RES_DETAILS.


*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 PERS_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_CUP_RES_DETAILS-PERS_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_CUP_RES_DETAILS-PERS_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field E_MAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/MRSS/T_CUP_RES_DETAILS-E_MAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MRSS/T_CUP_RES_DETAILS-E_MAIL.
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_RES_DETAILS_STR, 
RESOURCE_KEY TYPE STRING,
ID TYPE STRING,
TEXT TYPE STRING,
TYPE TYPE STRING,
REL TYPE STRING,
EDIT_MODE TYPE STRING,
PERNR TYPE STRING,
BEGDA TYPE STRING,
BEG_UZEIT TYPE STRING,
ENDDA TYPE STRING,
END_UZEIT TYPE STRING,
RESOURCE_ID TYPE STRING,
RESOURCE_NAME TYPE STRING,
FULLNAME TYPE STRING,
USER_ID TYPE STRING,
PERS_NO TYPE STRING,
ORGEH TYPE STRING,
ORG_UNIT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ISTAT TYPE STRING,
HISTO TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
REALO TYPE STRING,
ANONYMOUS_ID TYPE STRING,
ANONYMOUS_REQUIRED TYPE STRING,
WORK_CENTER TYPE STRING,
DEPARTMENT TYPE STRING,
TEL1_NUMBR TYPE STRING,
TEL1_EXT TYPE STRING,
FAX_NUMBER TYPE STRING,
E_MAIL TYPE STRING,
LOCATION TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
CREATION_DATE TYPE STRING,
CREATED_BY TYPE STRING,
NOTE TYPE STRING,
COMMTYPES TYPE STRING,
ORG_UNITS TYPE STRING,
RES_CONF_DISPLAY TYPE STRING,
SOURCE_TYPE TYPE STRING,
HIRING_DATE TYPE STRING,
LEAVING_DATE TYPE STRING,
CONFIDENTIAL TYPE STRING,
NOT_AVAILABLE_IN_BAS_RES 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_RES_DETAILS_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_RES_DETAILS_STR-RESOURCE_KEY sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ID sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-TEXT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-TYPE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-REL sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-EDIT_MODE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-PERNR sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-BEGDA sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-BEG_UZEIT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ENDDA sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-END_UZEIT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-RESOURCE_ID sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-RESOURCE_NAME sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-FULLNAME sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-USER_ID sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-PERS_NO sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ORGEH sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ORG_UNIT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-PLVAR sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-OTYPE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-OBJID sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-BEGDA sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ENDDA sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ISTAT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-HISTO sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-SHORT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-STEXT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-REALO sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ANONYMOUS_ID sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ANONYMOUS_REQUIRED sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-WORK_CENTER sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-DEPARTMENT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-TEL1_NUMBR sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-TEL1_EXT sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-FAX_NUMBER sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-E_MAIL sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-LOCATION sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-BUKRS sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-WERKS sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-BTRTL sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-CREATION_DATE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-CREATED_BY sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-NOTE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-COMMTYPES sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-ORG_UNITS sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-RES_CONF_DISPLAY sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-SOURCE_TYPE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-HIRING_DATE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-LEAVING_DATE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-CONFIDENTIAL sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-NOT_AVAILABLE_IN_BAS_RES sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-DELETED sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MESSAGE sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MSGTY sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MSGID sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MSGNO sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MSGV1 sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MSGV2 sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_STR-MSGV3 sy-vline 
WA_/MRSS/T_CUP_RES_DETAILS_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.