ABAP Select data from SAP table ICL_S_ICLINDRES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_S_ICLINDRES 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_S_ICLINDRES. 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_S_ICLINDRES 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_S_ICLINDRES TYPE STANDARD TABLE OF ICL_S_ICLINDRES,
      WA_ICL_S_ICLINDRES TYPE ICL_S_ICLINDRES,
      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_S_ICLINDRES> TYPE ICL_S_ICLINDRES.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_S_ICLINDRES
*  INTO TABLE @DATA(IT_ICL_S_ICLINDRES2).
*--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_S_ICLINDRES INDEX 1 INTO DATA(WA_ICL_S_ICLINDRES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_S_ICLINDRES>-CLIENT = 1.
<ICL_S_ICLINDRES>-RESLOT = 1.
<ICL_S_ICLINDRES>-CREATEDBY = 1.
<ICL_S_ICLINDRES>-CREATEDATE = 1.
<ICL_S_ICLINDRES>-CREATETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_S_ICLINDRES-POSTINGDATE, sy-vline,
  WA_ICL_S_ICLINDRES-TRANSFERDATE, sy-vline,
  WA_ICL_S_ICLINDRES-TRANSFERTIME, sy-vline,
  WA_ICL_S_ICLINDRES-COMPANYCODE, sy-vline,
  WA_ICL_S_ICLINDRES-CURR, sy-vline,
  WA_ICL_S_ICLINDRES-RESLOT_NEW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_S_ICLINDRES 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_S_ICLINDRES 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_S_ICLINDRES INTO WA_ICL_S_ICLINDRES.


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

*Conversion exit ALPHA, internal->external for field RESLOT_NEW
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_S_ICLINDRES-RESLOT_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_S_ICLINDRES-RESLOT_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_S_ICLINDRES-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_S_ICLINDRES-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ICL_S_ICLINDRES-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_S_ICLINDRES-GJAHR.
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_S_ICLINDRES_STR, 
CLIENT TYPE STRING,
RESLOT TYPE STRING,
CREATEDBY TYPE STRING,
CREATEDATE TYPE STRING,
CREATETIME TYPE STRING,
POSTINGDATE TYPE STRING,
TRANSFERDATE TYPE STRING,
TRANSFERTIME TYPE STRING,
COMPANYCODE TYPE STRING,
CURR TYPE STRING,
RESLOT_NEW TYPE STRING,
POSTDATE TYPE STRING,
ARCHIVE_STATUS TYPE STRING,
ARCHIVE_FLUD TYPE STRING,
REJECTION TYPE STRING,
NEWRESLOTCREATED TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_S_ICLINDRES_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_S_ICLINDRES_STR-CLIENT sy-vline 
WA_ICL_S_ICLINDRES_STR-RESLOT sy-vline 
WA_ICL_S_ICLINDRES_STR-CREATEDBY sy-vline 
WA_ICL_S_ICLINDRES_STR-CREATEDATE sy-vline 
WA_ICL_S_ICLINDRES_STR-CREATETIME sy-vline 
WA_ICL_S_ICLINDRES_STR-POSTINGDATE sy-vline 
WA_ICL_S_ICLINDRES_STR-TRANSFERDATE sy-vline 
WA_ICL_S_ICLINDRES_STR-TRANSFERTIME sy-vline 
WA_ICL_S_ICLINDRES_STR-COMPANYCODE sy-vline 
WA_ICL_S_ICLINDRES_STR-CURR sy-vline 
WA_ICL_S_ICLINDRES_STR-RESLOT_NEW sy-vline 
WA_ICL_S_ICLINDRES_STR-POSTDATE sy-vline 
WA_ICL_S_ICLINDRES_STR-ARCHIVE_STATUS sy-vline 
WA_ICL_S_ICLINDRES_STR-ARCHIVE_FLUD sy-vline 
WA_ICL_S_ICLINDRES_STR-REJECTION sy-vline 
WA_ICL_S_ICLINDRES_STR-NEWRESLOTCREATED sy-vline 
WA_ICL_S_ICLINDRES_STR-BUKRS sy-vline 
WA_ICL_S_ICLINDRES_STR-BELNR sy-vline 
WA_ICL_S_ICLINDRES_STR-GJAHR sy-vline      INTO ld_text SEPARATED BY SPACE.

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