ABAP Select data from SAP table ICLITEMRE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLITEMRE
*  INTO TABLE @DATA(IT_ICLITEMRE2).
*--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_ICLITEMRE INDEX 1 INTO DATA(WA_ICLITEMRE2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLITEMRE-CHANGEDBY, sy-vline,
  WA_ICLITEMRE-DELETED, sy-vline,
  WA_ICLITEMRE-RESTATEN, sy-vline,
  WA_ICLITEMRE-REMATERIAL, sy-vline,
  WA_ICLITEMRE-ADDRESS, sy-vline,
  WA_ICLITEMRE-DATEADDR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLITEMRE 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_ICLITEMRE 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_ICLITEMRE INTO WA_ICLITEMRE.


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

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

*Conversion exit ALPHA, internal->external for field ADDRESS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICLITEMRE-ADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLITEMRE-ADDRESS.
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_ICLITEMRE_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
DAMAGEDOBJ TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
RESTATEN TYPE STRING,
REMATERIAL TYPE STRING,
ADDRESS TYPE STRING,
DATEADDR TYPE STRING,
CONSTYEAR TYPE STRING,
LOSSTYPE TYPE STRING,
XVENDOR TYPE STRING,
RB_FCHANGE TYPE STRING,
RB_NADDR TYPE STRING,
XTOTDAMAGE TYPE STRING,
XOWNERRET TYPE STRING,
EVALDATE TYPE STRING,
DETERMDATE TYPE STRING,
ESTACV TYPE STRING,
SALVVALUE TYPE STRING,
CURR TYPE STRING,
HISTRATE TYPE STRING,
ASSIGNDATE TYPE STRING,
RETRVDATE TYPE STRING,
SETTLEDATE TYPE STRING,
SOLDDATE TYPE STRING,
TITLERECV TYPE STRING,
NOTE TYPE STRING,
SEL_LOCATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLITEMRE_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_ICLITEMRE_STR-CLIENT sy-vline 
WA_ICLITEMRE_STR-ACTIVE sy-vline 
WA_ICLITEMRE_STR-CLAIM sy-vline 
WA_ICLITEMRE_STR-DAMAGEDOBJ sy-vline 
WA_ICLITEMRE_STR-CHANGETIME sy-vline 
WA_ICLITEMRE_STR-CHANGEDBY sy-vline 
WA_ICLITEMRE_STR-DELETED sy-vline 
WA_ICLITEMRE_STR-RESTATEN sy-vline 
WA_ICLITEMRE_STR-REMATERIAL sy-vline 
WA_ICLITEMRE_STR-ADDRESS sy-vline 
WA_ICLITEMRE_STR-DATEADDR sy-vline 
WA_ICLITEMRE_STR-CONSTYEAR sy-vline 
WA_ICLITEMRE_STR-LOSSTYPE sy-vline 
WA_ICLITEMRE_STR-XVENDOR sy-vline 
WA_ICLITEMRE_STR-RB_FCHANGE sy-vline 
WA_ICLITEMRE_STR-RB_NADDR sy-vline 
WA_ICLITEMRE_STR-XTOTDAMAGE sy-vline 
WA_ICLITEMRE_STR-XOWNERRET sy-vline 
WA_ICLITEMRE_STR-EVALDATE sy-vline 
WA_ICLITEMRE_STR-DETERMDATE sy-vline 
WA_ICLITEMRE_STR-ESTACV sy-vline 
WA_ICLITEMRE_STR-SALVVALUE sy-vline 
WA_ICLITEMRE_STR-CURR sy-vline 
WA_ICLITEMRE_STR-HISTRATE sy-vline 
WA_ICLITEMRE_STR-ASSIGNDATE sy-vline 
WA_ICLITEMRE_STR-RETRVDATE sy-vline 
WA_ICLITEMRE_STR-SETTLEDATE sy-vline 
WA_ICLITEMRE_STR-SOLDDATE sy-vline 
WA_ICLITEMRE_STR-TITLERECV sy-vline 
WA_ICLITEMRE_STR-NOTE sy-vline 
WA_ICLITEMRE_STR-SEL_LOCATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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