ABAP Select data from SAP table ICM_SUPPORT_INFO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICM_SUPPORT_INFO 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 ICM_SUPPORT_INFO. 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 ICM_SUPPORT_INFO 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_ICM_SUPPORT_INFO TYPE STANDARD TABLE OF ICM_SUPPORT_INFO,
      WA_ICM_SUPPORT_INFO TYPE ICM_SUPPORT_INFO,
      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: <ICM_SUPPORT_INFO> TYPE ICM_SUPPORT_INFO.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ICM_SUPPORT_INFO
  INTO TABLE IT_ICM_SUPPORT_INFO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICM_SUPPORT_INFO
*  INTO TABLE @DATA(IT_ICM_SUPPORT_INFO2).
*--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_ICM_SUPPORT_INFO INDEX 1 INTO DATA(WA_ICM_SUPPORT_INFO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ICM_SUPPORT_INFO ASSIGNING <ICM_SUPPORT_INFO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICM_SUPPORT_INFO>-CLIENT = 1.
<ICM_SUPPORT_INFO>-UUID = 1.
<ICM_SUPPORT_INFO>-TIMESTAMP = 1.
<ICM_SUPPORT_INFO>-ERROR_TAG = 1.
<ICM_SUPPORT_INFO>-INSTANCE = 1.

ENDLOOP.

LOOP AT IT_ICM_SUPPORT_INFO INTO WA_ICM_SUPPORT_INFO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICM_SUPPORT_INFO-REPORTED_BY, sy-vline,
  WA_ICM_SUPPORT_INFO-CLIENT_IP, sy-vline,
  WA_ICM_SUPPORT_INFO-SNI_HOSTNAME, sy-vline,
  WA_ICM_SUPPORT_INFO-HOST_HEADER, sy-vline,
  WA_ICM_SUPPORT_INFO-ERROR_CODE, sy-vline,
  WA_ICM_SUPPORT_INFO-ERROR_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICM_SUPPORT_INFO 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_ICM_SUPPORT_INFO 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_ICM_SUPPORT_INFO INTO WA_ICM_SUPPORT_INFO.


*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 IPADD, internal->external for field CLIENT_IP
CALL FUNCTION 'CONVERSION_EXIT_IPADD_OUTPUT'
  EXPORTING
    input =                      WA_ICM_SUPPORT_INFO-CLIENT_IP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICM_SUPPORT_INFO-CLIENT_IP.
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_ICM_SUPPORT_INFO_STR, 
CLIENT TYPE STRING,
UUID TYPE STRING,
TIMESTAMP TYPE STRING,
ERROR_TAG TYPE STRING,
INSTANCE TYPE STRING,
REPORTED_BY TYPE STRING,
CLIENT_IP TYPE STRING,
SNI_HOSTNAME TYPE STRING,
HOST_HEADER TYPE STRING,
ERROR_CODE TYPE STRING,
ERROR_NAME TYPE STRING,
ERROR_TEXT TYPE STRING,
ERROR_DETAILS TYPE STRING,
REQUEST_PATH TYPE STRING,
REQUEST_RAW TYPE STRING,
REQUEST_METHOD TYPE STRING,
SSL_CLIENT_CERT TYPE STRING,
STATUS_CODE TYPE STRING,
USERNAME TYPE STRING,
EPP_ROOT_CONTEXT_ID TYPE STRING,
EPP_CONNECTION_ID TYPE STRING,
EPP_CONNECTION_COUNTER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICM_SUPPORT_INFO_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_ICM_SUPPORT_INFO_STR-CLIENT sy-vline 
WA_ICM_SUPPORT_INFO_STR-UUID sy-vline 
WA_ICM_SUPPORT_INFO_STR-TIMESTAMP sy-vline 
WA_ICM_SUPPORT_INFO_STR-ERROR_TAG sy-vline 
WA_ICM_SUPPORT_INFO_STR-INSTANCE sy-vline 
WA_ICM_SUPPORT_INFO_STR-REPORTED_BY sy-vline 
WA_ICM_SUPPORT_INFO_STR-CLIENT_IP sy-vline 
WA_ICM_SUPPORT_INFO_STR-SNI_HOSTNAME sy-vline 
WA_ICM_SUPPORT_INFO_STR-HOST_HEADER sy-vline 
WA_ICM_SUPPORT_INFO_STR-ERROR_CODE sy-vline 
WA_ICM_SUPPORT_INFO_STR-ERROR_NAME sy-vline 
WA_ICM_SUPPORT_INFO_STR-ERROR_TEXT sy-vline 
WA_ICM_SUPPORT_INFO_STR-ERROR_DETAILS sy-vline 
WA_ICM_SUPPORT_INFO_STR-REQUEST_PATH sy-vline 
WA_ICM_SUPPORT_INFO_STR-REQUEST_RAW sy-vline 
WA_ICM_SUPPORT_INFO_STR-REQUEST_METHOD sy-vline 
WA_ICM_SUPPORT_INFO_STR-SSL_CLIENT_CERT sy-vline 
WA_ICM_SUPPORT_INFO_STR-STATUS_CODE sy-vline 
WA_ICM_SUPPORT_INFO_STR-USERNAME sy-vline 
WA_ICM_SUPPORT_INFO_STR-EPP_ROOT_CONTEXT_ID sy-vline 
WA_ICM_SUPPORT_INFO_STR-EPP_CONNECTION_ID sy-vline 
WA_ICM_SUPPORT_INFO_STR-EPP_CONNECTION_COUNTER sy-vline      INTO ld_text SEPARATED BY SPACE.

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