ABAP Select data from SAP table ICLCCEVENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICLCCEVENT
*  INTO TABLE @DATA(IT_ICLCCEVENT2).
*--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_ICLCCEVENT INDEX 1 INTO DATA(WA_ICLCCEVENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICLCCEVENT>-CLIENT = 1.
<ICLCCEVENT>-ACTIVE = 1.
<ICLCCEVENT>-CCEVENT = 1.
<ICLCCEVENT>-CHANGETIME = 1.
<ICLCCEVENT>-CHANGEDBY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICLCCEVENT-DELETED, sy-vline,
  WA_ICLCCEVENT-CREATEDBY, sy-vline,
  WA_ICLCCEVENT-CREATETIME, sy-vline,
  WA_ICLCCEVENT-CCTYPE, sy-vline,
  WA_ICLCCEVENT-SUBTYPE, sy-vline,
  WA_ICLCCEVENT-CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICLCCEVENT 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_ICLCCEVENT 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_ICLCCEVENT INTO WA_ICLCCEVENT.


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

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

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

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

*Conversion exit TSTAM, internal->external for field ACHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICLCCEVENT-ACHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICLCCEVENT-ACHANGETIME.
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_ICLCCEVENT_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CCEVENT TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
CREATEDBY TYPE STRING,
CREATETIME TYPE STRING,
CCTYPE TYPE STRING,
SUBTYPE TYPE STRING,
CURR TYPE STRING,
LIMIT TYPE STRING,
LIMITE TYPE STRING,
CODE TYPE STRING,
NAME TYPE STRING,
RANGEFROM TYPE STRING,
RANGETO TYPE STRING,
HOTLINE TYPE STRING,
LOCATYPE TYPE STRING,
STATUS TYPE STRING,
BUNDLECAUSE TYPE STRING,
OWNER TYPE STRING,
INVOICEREF_BULK TYPE STRING,
EXTERNALREF_BULK TYPE STRING,
ISSUEDATE TYPE STRING,
AMOUNT_TOTAL TYPE STRING,
PAYMENTLEVEL TYPE STRING,
DATASOURCE TYPE STRING,
RECEIVEDATE TYPE STRING,
CLMINPROCESS TYPE STRING,
RELEASED TYPE STRING,
CANCEL TYPE STRING,
INPROCESS TYPE STRING,
CLMINPROC_CNTR TYPE STRING,
STHANDLER TYPE STRING,
WF_STATUS TYPE STRING,
CCSBRBNDL TYPE STRING,
CCSBRTYPE TYPE STRING,
CHREASONSBR TYPE STRING,
BILLINGDATE TYPE STRING,
RESUBDATE TYPE STRING,
SBRNOTIFDATE TYPE STRING,
ACHANGEDBY TYPE STRING,
ACHANGETIME TYPE STRING,
ARCHIVE_STATUS TYPE STRING,
ARCHIVE_FLUD TYPE STRING,
REJECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICLCCEVENT_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_ICLCCEVENT_STR-CLIENT sy-vline 
WA_ICLCCEVENT_STR-ACTIVE sy-vline 
WA_ICLCCEVENT_STR-CCEVENT sy-vline 
WA_ICLCCEVENT_STR-CHANGETIME sy-vline 
WA_ICLCCEVENT_STR-CHANGEDBY sy-vline 
WA_ICLCCEVENT_STR-DELETED sy-vline 
WA_ICLCCEVENT_STR-CREATEDBY sy-vline 
WA_ICLCCEVENT_STR-CREATETIME sy-vline 
WA_ICLCCEVENT_STR-CCTYPE sy-vline 
WA_ICLCCEVENT_STR-SUBTYPE sy-vline 
WA_ICLCCEVENT_STR-CURR sy-vline 
WA_ICLCCEVENT_STR-LIMIT sy-vline 
WA_ICLCCEVENT_STR-LIMITE sy-vline 
WA_ICLCCEVENT_STR-CODE sy-vline 
WA_ICLCCEVENT_STR-NAME sy-vline 
WA_ICLCCEVENT_STR-RANGEFROM sy-vline 
WA_ICLCCEVENT_STR-RANGETO sy-vline 
WA_ICLCCEVENT_STR-HOTLINE sy-vline 
WA_ICLCCEVENT_STR-LOCATYPE sy-vline 
WA_ICLCCEVENT_STR-STATUS sy-vline 
WA_ICLCCEVENT_STR-BUNDLECAUSE sy-vline 
WA_ICLCCEVENT_STR-OWNER sy-vline 
WA_ICLCCEVENT_STR-INVOICEREF_BULK sy-vline 
WA_ICLCCEVENT_STR-EXTERNALREF_BULK sy-vline 
WA_ICLCCEVENT_STR-ISSUEDATE sy-vline 
WA_ICLCCEVENT_STR-AMOUNT_TOTAL sy-vline 
WA_ICLCCEVENT_STR-PAYMENTLEVEL sy-vline 
WA_ICLCCEVENT_STR-DATASOURCE sy-vline 
WA_ICLCCEVENT_STR-RECEIVEDATE sy-vline 
WA_ICLCCEVENT_STR-CLMINPROCESS sy-vline 
WA_ICLCCEVENT_STR-RELEASED sy-vline 
WA_ICLCCEVENT_STR-CANCEL sy-vline 
WA_ICLCCEVENT_STR-INPROCESS sy-vline 
WA_ICLCCEVENT_STR-CLMINPROC_CNTR sy-vline 
WA_ICLCCEVENT_STR-STHANDLER sy-vline 
WA_ICLCCEVENT_STR-WF_STATUS sy-vline 
WA_ICLCCEVENT_STR-CCSBRBNDL sy-vline 
WA_ICLCCEVENT_STR-CCSBRTYPE sy-vline 
WA_ICLCCEVENT_STR-CHREASONSBR sy-vline 
WA_ICLCCEVENT_STR-BILLINGDATE sy-vline 
WA_ICLCCEVENT_STR-RESUBDATE sy-vline 
WA_ICLCCEVENT_STR-SBRNOTIFDATE sy-vline 
WA_ICLCCEVENT_STR-ACHANGEDBY sy-vline 
WA_ICLCCEVENT_STR-ACHANGETIME sy-vline 
WA_ICLCCEVENT_STR-ARCHIVE_STATUS sy-vline 
WA_ICLCCEVENT_STR-ARCHIVE_FLUD sy-vline 
WA_ICLCCEVENT_STR-REJECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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