ABAP Select data from SAP table /SYCLO/CORE_MDW00_UPD_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SYCLO/CORE_MDW00_UPD_STR 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 /SYCLO/CORE_MDW00_UPD_STR. 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 /SYCLO/CORE_MDW00_UPD_STR 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_/SYCLO/CORE_MDW00_UPD_STR TYPE STANDARD TABLE OF /SYCLO/CORE_MDW00_UPD_STR,
      WA_/SYCLO/CORE_MDW00_UPD_STR TYPE /SYCLO/CORE_MDW00_UPD_STR,
      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: </SYCLO/CORE_MDW00_UPD_STR> TYPE /SYCLO/CORE_MDW00_UPD_STR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SYCLO/CORE_MDW00_UPD_STR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SYCLO/CORE_MDW00_UPD_STR
  INTO TABLE IT_/SYCLO/CORE_MDW00_UPD_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SYCLO/CORE_MDW00_UPD_STR
*  INTO TABLE @DATA(IT_/SYCLO/CORE_MDW00_UPD_STR2).
*--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_/SYCLO/CORE_MDW00_UPD_STR INDEX 1 INTO DATA(WA_/SYCLO/CORE_MDW00_UPD_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SYCLO/CORE_MDW00_UPD_STR ASSIGNING </SYCLO/CORE_MDW00_UPD_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SYCLO/CORE_MDW00_UPD_STR>-MANDT = 1.
</SYCLO/CORE_MDW00_UPD_STR>-USER_GUID = 1.
</SYCLO/CORE_MDW00_UPD_STR>-DEVICE_ID = 1.
</SYCLO/CORE_MDW00_UPD_STR>-DEVICE_USER_ID = 1.
</SYCLO/CORE_MDW00_UPD_STR>-SERVER_ID = 1.

ENDLOOP.

LOOP AT IT_/SYCLO/CORE_MDW00_UPD_STR INTO WA_/SYCLO/CORE_MDW00_UPD_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SYCLO/CORE_MDW00_UPD_STR-MOBILE_APP, sy-vline,
  WA_/SYCLO/CORE_MDW00_UPD_STR-GROUP_ID, sy-vline,
  WA_/SYCLO/CORE_MDW00_UPD_STR-PERNR, sy-vline,
  WA_/SYCLO/CORE_MDW00_UPD_STR-SAP_USERID, sy-vline,
  WA_/SYCLO/CORE_MDW00_UPD_STR-LAST_SESS_GUID, sy-vline,
  WA_/SYCLO/CORE_MDW00_UPD_STR-LOCK_FLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SYCLO/CORE_MDW00_UPD_STR 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_/SYCLO/CORE_MDW00_UPD_STR 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_/SYCLO/CORE_MDW00_UPD_STR INTO WA_/SYCLO/CORE_MDW00_UPD_STR.


*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 SOURCE_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/CORE_MDW00_UPD_STR-SOURCE_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/CORE_MDW00_UPD_STR-SOURCE_SYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field SMTP_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/CORE_MDW00_UPD_STR-SMTP_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/CORE_MDW00_UPD_STR-SMTP_ADDR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field HTTP_ADDR
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/CORE_MDW00_UPD_STR-HTTP_ADDR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/CORE_MDW00_UPD_STR-HTTP_ADDR.
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_/SYCLO/CORE_MDW00_UPD_STR_STR, 
MANDT TYPE STRING,
USER_GUID TYPE STRING,
DEVICE_ID TYPE STRING,
DEVICE_USER_ID TYPE STRING,
SERVER_ID TYPE STRING,
MOBILE_APP TYPE STRING,
GROUP_ID TYPE STRING,
PERNR TYPE STRING,
SAP_USERID TYPE STRING,
LAST_SESS_GUID TYPE STRING,
LOCK_FLAG TYPE STRING,
NO_VALID_ROLE TYPE STRING,
SOURCE_SYSTEM TYPE STRING,
SMTP_ADDR TYPE STRING,
HTTP_ADDR TYPE STRING,
DEFAULT_ADDR TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_TS TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_TS TYPE STRING,
UPDKZ TYPE STRING,
SERVER_GUID TYPE STRING,
SERVER_NAME TYPE STRING,
REG_DEVICE_ID TYPE STRING,
REG_DEF_ID TYPE STRING,
REG_DEF_REVISION TYPE STRING,
REG_DEF_NAME TYPE STRING,
REGISTRATION_TS TYPE STRING,
REGISTRATION_BY TYPE STRING,
CPMS_USER_ID TYPE STRING,
CPMS_REG_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SYCLO/CORE_MDW00_UPD_STR_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_/SYCLO/CORE_MDW00_UPD_STR_STR-MANDT sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-USER_GUID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-DEVICE_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-DEVICE_USER_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-SERVER_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-MOBILE_APP sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-GROUP_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-PERNR sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-SAP_USERID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-LAST_SESS_GUID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-LOCK_FLAG sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-NO_VALID_ROLE sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-SOURCE_SYSTEM sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-SMTP_ADDR sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-HTTP_ADDR sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-DEFAULT_ADDR sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-CREATED_BY sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-CREATED_TS sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-CHANGED_BY sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-CHANGED_TS sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-UPDKZ sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-SERVER_GUID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-SERVER_NAME sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-REG_DEVICE_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-REG_DEF_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-REG_DEF_REVISION sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-REG_DEF_NAME sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-REGISTRATION_TS sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-REGISTRATION_BY sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-CPMS_USER_ID sy-vline 
WA_/SYCLO/CORE_MDW00_UPD_STR_STR-CPMS_REG_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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