ABAP Select data from SAP table ICSSUBCL into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICSSUBCL 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 ICSSUBCL. 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 ICSSUBCL 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_ICSSUBCL TYPE STANDARD TABLE OF ICSSUBCL,
      WA_ICSSUBCL TYPE ICSSUBCL,
      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: <ICSSUBCL> TYPE ICSSUBCL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICSSUBCL
*  INTO TABLE @DATA(IT_ICSSUBCL2).
*--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_ICSSUBCL INDEX 1 INTO DATA(WA_ICSSUBCL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICSSUBCL>-CLIENT = 1.
<ICSSUBCL>-ACTIVE = 1.
<ICSSUBCL>-CLAIM = 1.
<ICSSUBCL>-SUBCLAIM = 1.
<ICSSUBCL>-CHANGETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICSSUBCL-CHANGEDBY, sy-vline,
  WA_ICSSUBCL-DELETED, sy-vline,
  WA_ICSSUBCL-CREATEDBY, sy-vline,
  WA_ICSSUBCL-CREATETIME, sy-vline,
  WA_ICSSUBCL-STATUS, sy-vline,
  WA_ICSSUBCL-STATUSCHG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICSSUBCL 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_ICSSUBCL 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_ICSSUBCL INTO WA_ICSSUBCL.


*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 CLAIM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICSSUBCL-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICSSUBCL-CLAIM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTAM, internal->external for field STATUSCHG
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICSSUBCL-STATUSCHG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICSSUBCL-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_ICSSUBCL-WF_EXEC_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICSSUBCL-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_ICSSUBCL_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
SUBCLAIM TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
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_ICSSUBCL_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_ICSSUBCL_STR-CLIENT sy-vline 
WA_ICSSUBCL_STR-ACTIVE sy-vline 
WA_ICSSUBCL_STR-CLAIM sy-vline 
WA_ICSSUBCL_STR-SUBCLAIM sy-vline 
WA_ICSSUBCL_STR-CHANGETIME sy-vline 
WA_ICSSUBCL_STR-CHANGEDBY sy-vline 
WA_ICSSUBCL_STR-DELETED sy-vline 
WA_ICSSUBCL_STR-CREATEDBY sy-vline 
WA_ICSSUBCL_STR-CREATETIME sy-vline 
WA_ICSSUBCL_STR-STATUS sy-vline 
WA_ICSSUBCL_STR-STATUSCHG sy-vline 
WA_ICSSUBCL_STR-STHANDLER sy-vline 
WA_ICSSUBCL_STR-STNOCLAIM sy-vline 
WA_ICSSUBCL_STR-STCLOSED sy-vline 
WA_ICSSUBCL_STR-STINVALID sy-vline 
WA_ICSSUBCL_STR-STREJECT sy-vline 
WA_ICSSUBCL_STR-STATREASON sy-vline 
WA_ICSSUBCL_STR-XCOMPLETE sy-vline 
WA_ICSSUBCL_STR-SUBCLTYPE sy-vline 
WA_ICSSUBCL_STR-XSALVAGE sy-vline 
WA_ICSSUBCL_STR-XOTHERINSURE sy-vline 
WA_ICSSUBCL_STR-XSUBRO sy-vline 
WA_ICSSUBCL_STR-SUBRO_POTENTIAL sy-vline 
WA_ICSSUBCL_STR-XLITIGATION sy-vline 
WA_ICSSUBCL_STR-XNEGOTIATION sy-vline 
WA_ICSSUBCL_STR-XFRAUD sy-vline 
WA_ICSSUBCL_STR-COVERAGE sy-vline 
WA_ICSSUBCL_STR-COVPOLVNR sy-vline 
WA_ICSSUBCL_STR-XCOVCONFIRMED sy-vline 
WA_ICSSUBCL_STR-ASSIGN_STATE sy-vline 
WA_ICSSUBCL_STR-HANDLERTYPE sy-vline 
WA_ICSSUBCL_STR-CLAIMHANDLER sy-vline 
WA_ICSSUBCL_STR-HANDLERTYPE_GRP sy-vline 
WA_ICSSUBCL_STR-CLAIMHANDLER_GRP sy-vline 
WA_ICSSUBCL_STR-COMPLEX sy-vline 
WA_ICSSUBCL_STR-SUBCLAIMDESC sy-vline 
WA_ICSSUBCL_STR-BENTREE sy-vline 
WA_ICSSUBCL_STR-BENTREEG sy-vline 
WA_ICSSUBCL_STR-BENTREEV sy-vline 
WA_ICSSUBCL_STR-WF_EXEC_TIME sy-vline 
WA_ICSSUBCL_STR-WF_STATUS sy-vline 
WA_ICSSUBCL_STR-ASSIGN_GUID sy-vline 
WA_ICSSUBCL_STR-MAX_ITEMNR sy-vline 
WA_ICSSUBCL_STR-OVERRULEREASON sy-vline 
WA_ICSSUBCL_STR-BENSTART_DT sy-vline 
WA_ICSSUBCL_STR-BENEND_DT sy-vline 
WA_ICSSUBCL_STR-COMPENSABILITY sy-vline 
WA_ICSSUBCL_STR-BENCALC_NUM sy-vline 
WA_ICSSUBCL_STR-INSUREDOBJ sy-vline 
WA_ICSSUBCL_STR-ARCHIVE_STATUS sy-vline 
WA_ICSSUBCL_STR-ARCHIVE_FLUD sy-vline 
WA_ICSSUBCL_STR-REJECTION sy-vline 
WA_ICSSUBCL_STR-_DATAAGING sy-vline 
WA_ICSSUBCL_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.