ABAP Select data from SAP table ICS_SUBCL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICS_SUBCL
*  INTO TABLE @DATA(IT_ICS_SUBCL2).
*--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_ICS_SUBCL INDEX 1 INTO DATA(WA_ICS_SUBCL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICS_SUBCL>-CREATEDBY = 1.
<ICS_SUBCL>-CREATETIME = 1.
<ICS_SUBCL>-STATUS = 1.
<ICS_SUBCL>-STATUSCHG = 1.
<ICS_SUBCL>-STHANDLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICS_SUBCL-STNOCLAIM, sy-vline,
  WA_ICS_SUBCL-STCLOSED, sy-vline,
  WA_ICS_SUBCL-STINVALID, sy-vline,
  WA_ICS_SUBCL-STREJECT, sy-vline,
  WA_ICS_SUBCL-STATREASON, sy-vline,
  WA_ICS_SUBCL-XCOMPLETE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICS_SUBCL 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_ICS_SUBCL 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_ICS_SUBCL INTO WA_ICS_SUBCL.


*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 TSTAM, internal->external for field CREATETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICS_SUBCL-CREATETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICS_SUBCL-CREATETIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field STATUSCHG
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICS_SUBCL-STATUSCHG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICS_SUBCL-STATUSCHG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTAM, internal->external for field WF_EXEC_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICS_SUBCL-WF_EXEC_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICS_SUBCL-WF_EXEC_TIME.
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_ICS_SUBCL_STR, 
CREATEDBY TYPE STRING,
CREATETIME TYPE STRING,
STATUS TYPE STRING,
STATUSCHG TYPE STRING,
STHANDLER TYPE STRING,
STNOCLAIM TYPE STRING,
STCLOSED TYPE STRING,
STINVALID TYPE STRING,
STREJECT TYPE STRING,
STATREASON TYPE STRING,
XCOMPLETE TYPE STRING,
SUBCLTYPE TYPE STRING,
XSALVAGE TYPE STRING,
XOTHERINSURE TYPE STRING,
XSUBRO TYPE STRING,
SUBRO_POTENTIAL TYPE STRING,
XLITIGATION TYPE STRING,
XNEGOTIATION TYPE STRING,
XFRAUD TYPE STRING,
COVERAGE TYPE STRING,
COVPOLVNR TYPE STRING,
XCOVCONFIRMED TYPE STRING,
ASSIGN_STATE TYPE STRING,
HANDLERTYPE TYPE STRING,
CLAIMHANDLER TYPE STRING,
HANDLERTYPE_GRP TYPE STRING,
CLAIMHANDLER_GRP TYPE STRING,
COMPLEX TYPE STRING,
SUBCLAIMDESC TYPE STRING,
BENTREE TYPE STRING,
BENTREEG TYPE STRING,
BENTREEV TYPE STRING,
WF_EXEC_TIME TYPE STRING,
WF_STATUS TYPE STRING,
ASSIGN_GUID TYPE STRING,
MAX_ITEMNR TYPE STRING,
OVERRULEREASON TYPE STRING,
BENSTART_DT TYPE STRING,
BENEND_DT TYPE STRING,
COMPENSABILITY TYPE STRING,
BENCALC_NUM TYPE STRING,
INSUREDOBJ TYPE STRING,
ARCHIVE_STATUS TYPE STRING,
ARCHIVE_FLUD TYPE STRING,
REJECTION TYPE STRING,
_DATAAGING TYPE STRING,
DUMMY_ICLVDM_SUBCL_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICS_SUBCL_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_ICS_SUBCL_STR-CREATEDBY sy-vline 
WA_ICS_SUBCL_STR-CREATETIME sy-vline 
WA_ICS_SUBCL_STR-STATUS sy-vline 
WA_ICS_SUBCL_STR-STATUSCHG sy-vline 
WA_ICS_SUBCL_STR-STHANDLER sy-vline 
WA_ICS_SUBCL_STR-STNOCLAIM sy-vline 
WA_ICS_SUBCL_STR-STCLOSED sy-vline 
WA_ICS_SUBCL_STR-STINVALID sy-vline 
WA_ICS_SUBCL_STR-STREJECT sy-vline 
WA_ICS_SUBCL_STR-STATREASON sy-vline 
WA_ICS_SUBCL_STR-XCOMPLETE sy-vline 
WA_ICS_SUBCL_STR-SUBCLTYPE sy-vline 
WA_ICS_SUBCL_STR-XSALVAGE sy-vline 
WA_ICS_SUBCL_STR-XOTHERINSURE sy-vline 
WA_ICS_SUBCL_STR-XSUBRO sy-vline 
WA_ICS_SUBCL_STR-SUBRO_POTENTIAL sy-vline 
WA_ICS_SUBCL_STR-XLITIGATION sy-vline 
WA_ICS_SUBCL_STR-XNEGOTIATION sy-vline 
WA_ICS_SUBCL_STR-XFRAUD sy-vline 
WA_ICS_SUBCL_STR-COVERAGE sy-vline 
WA_ICS_SUBCL_STR-COVPOLVNR sy-vline 
WA_ICS_SUBCL_STR-XCOVCONFIRMED sy-vline 
WA_ICS_SUBCL_STR-ASSIGN_STATE sy-vline 
WA_ICS_SUBCL_STR-HANDLERTYPE sy-vline 
WA_ICS_SUBCL_STR-CLAIMHANDLER sy-vline 
WA_ICS_SUBCL_STR-HANDLERTYPE_GRP sy-vline 
WA_ICS_SUBCL_STR-CLAIMHANDLER_GRP sy-vline 
WA_ICS_SUBCL_STR-COMPLEX sy-vline 
WA_ICS_SUBCL_STR-SUBCLAIMDESC sy-vline 
WA_ICS_SUBCL_STR-BENTREE sy-vline 
WA_ICS_SUBCL_STR-BENTREEG sy-vline 
WA_ICS_SUBCL_STR-BENTREEV sy-vline 
WA_ICS_SUBCL_STR-WF_EXEC_TIME sy-vline 
WA_ICS_SUBCL_STR-WF_STATUS sy-vline 
WA_ICS_SUBCL_STR-ASSIGN_GUID sy-vline 
WA_ICS_SUBCL_STR-MAX_ITEMNR sy-vline 
WA_ICS_SUBCL_STR-OVERRULEREASON sy-vline 
WA_ICS_SUBCL_STR-BENSTART_DT sy-vline 
WA_ICS_SUBCL_STR-BENEND_DT sy-vline 
WA_ICS_SUBCL_STR-COMPENSABILITY sy-vline 
WA_ICS_SUBCL_STR-BENCALC_NUM sy-vline 
WA_ICS_SUBCL_STR-INSUREDOBJ sy-vline 
WA_ICS_SUBCL_STR-ARCHIVE_STATUS sy-vline 
WA_ICS_SUBCL_STR-ARCHIVE_FLUD sy-vline 
WA_ICS_SUBCL_STR-REJECTION sy-vline 
WA_ICS_SUBCL_STR-_DATAAGING sy-vline 
WA_ICS_SUBCL_STR-DUMMY_ICLVDM_SUBCL_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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