ABAP Select data from SAP table ICL_DAMOBJ_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_DAMOBJ_EXT
*  INTO TABLE @DATA(IT_ICL_DAMOBJ_EXT2).
*--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_ICL_DAMOBJ_EXT INDEX 1 INTO DATA(WA_ICL_DAMOBJ_EXT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_DAMOBJ_EXT-CHANGEDBY, sy-vline,
  WA_ICL_DAMOBJ_EXT-DELETED, sy-vline,
  WA_ICL_DAMOBJ_EXT-CREATEDBY, sy-vline,
  WA_ICL_DAMOBJ_EXT-CREATETIME, sy-vline,
  WA_ICL_DAMOBJ_EXT-DAMAGECAT, sy-vline,
  WA_ICL_DAMOBJ_EXT-INSUREDOBJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_DAMOBJ_EXT 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_ICL_DAMOBJ_EXT 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_ICL_DAMOBJ_EXT INTO WA_ICL_DAMOBJ_EXT.


*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_ICL_DAMOBJ_EXT-CLAIM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_DAMOBJ_EXT-CLAIM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTAM, internal->external for field CREATETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_DAMOBJ_EXT-CREATETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_DAMOBJ_EXT-CREATETIME.
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_ICL_DAMOBJ_EXT_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
DAMAGEDOBJ TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
CREATEDBY TYPE STRING,
CREATETIME TYPE STRING,
DAMAGECAT TYPE STRING,
INSUREDOBJ TYPE STRING,
PROPCAT TYPE STRING,
PROPERTY TYPE STRING,
IOBTYPE TYPE STRING,
SEVERITY TYPE STRING,
XDAMAGEDESC TYPE STRING,
XSPECIFIC TYPE STRING,
XLIAB TYPE STRING,
DAMDESCRIP TYPE STRING,
EC TYPE STRING,
ECCURR TYPE STRING,
XFAKEINSUREDOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_DAMOBJ_EXT_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_ICL_DAMOBJ_EXT_STR-CLIENT sy-vline 
WA_ICL_DAMOBJ_EXT_STR-ACTIVE sy-vline 
WA_ICL_DAMOBJ_EXT_STR-CLAIM sy-vline 
WA_ICL_DAMOBJ_EXT_STR-DAMAGEDOBJ sy-vline 
WA_ICL_DAMOBJ_EXT_STR-CHANGETIME sy-vline 
WA_ICL_DAMOBJ_EXT_STR-CHANGEDBY sy-vline 
WA_ICL_DAMOBJ_EXT_STR-DELETED sy-vline 
WA_ICL_DAMOBJ_EXT_STR-CREATEDBY sy-vline 
WA_ICL_DAMOBJ_EXT_STR-CREATETIME sy-vline 
WA_ICL_DAMOBJ_EXT_STR-DAMAGECAT sy-vline 
WA_ICL_DAMOBJ_EXT_STR-INSUREDOBJ sy-vline 
WA_ICL_DAMOBJ_EXT_STR-PROPCAT sy-vline 
WA_ICL_DAMOBJ_EXT_STR-PROPERTY sy-vline 
WA_ICL_DAMOBJ_EXT_STR-IOBTYPE sy-vline 
WA_ICL_DAMOBJ_EXT_STR-SEVERITY sy-vline 
WA_ICL_DAMOBJ_EXT_STR-XDAMAGEDESC sy-vline 
WA_ICL_DAMOBJ_EXT_STR-XSPECIFIC sy-vline 
WA_ICL_DAMOBJ_EXT_STR-XLIAB sy-vline 
WA_ICL_DAMOBJ_EXT_STR-DAMDESCRIP sy-vline 
WA_ICL_DAMOBJ_EXT_STR-EC sy-vline 
WA_ICL_DAMOBJ_EXT_STR-ECCURR sy-vline 
WA_ICL_DAMOBJ_EXT_STR-XFAKEINSUREDOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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