ABAP Select data from SAP table ICL_CCEVENTB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICL_CCEVENTB 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_CCEVENTB. 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_CCEVENTB 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_CCEVENTB TYPE STANDARD TABLE OF ICL_CCEVENTB,
      WA_ICL_CCEVENTB TYPE ICL_CCEVENTB,
      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_CCEVENTB> TYPE ICL_CCEVENTB.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_CCEVENTB
*  INTO TABLE @DATA(IT_ICL_CCEVENTB2).
*--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_CCEVENTB INDEX 1 INTO DATA(WA_ICL_CCEVENTB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_CCEVENTB>-SEL = 1.
<ICL_CCEVENTB>-CLIENT = 1.
<ICL_CCEVENTB>-ACTIVE = 1.
<ICL_CCEVENTB>-CCEVENT = 1.
<ICL_CCEVENTB>-ROLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_CCEVENTB-BPARTNER, sy-vline,
  WA_ICL_CCEVENTB-CHANGETIME, sy-vline,
  WA_ICL_CCEVENTB-CHANGEDBY, sy-vline,
  WA_ICL_CCEVENTB-DELETED, sy-vline,
  WA_ICL_CCEVENTB-NAME, sy-vline,
  WA_ICL_CCEVENTB-PHONEADDR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_CCEVENTB 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_CCEVENTB 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_CCEVENTB INTO WA_ICL_CCEVENTB.


*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_ICL_CCEVENTB-CCEVENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_CCEVENTB-CCEVENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field BPARTNER_SCR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_CCEVENTB-BPARTNER_SCR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_CCEVENTB-BPARTNER_SCR.
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_CCEVENTB_STR, 
SEL TYPE STRING,
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CCEVENT TYPE STRING,
ROLE TYPE STRING,
BPARTNER TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
NAME TYPE STRING,
PHONEADDR TYPE STRING,
PHONEID TYPE STRING,
DESCRIP TYPE STRING,
REFERENCE TYPE STRING,
ROLENAME TYPE STRING,
PHONE TYPE STRING,
BPARTNER_SCR TYPE STRING,
PHONE_EXT TYPE STRING,
BIRTHDT TYPE STRING,
DEATHDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_CCEVENTB_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_CCEVENTB_STR-SEL sy-vline 
WA_ICL_CCEVENTB_STR-CLIENT sy-vline 
WA_ICL_CCEVENTB_STR-ACTIVE sy-vline 
WA_ICL_CCEVENTB_STR-CCEVENT sy-vline 
WA_ICL_CCEVENTB_STR-ROLE sy-vline 
WA_ICL_CCEVENTB_STR-BPARTNER sy-vline 
WA_ICL_CCEVENTB_STR-CHANGETIME sy-vline 
WA_ICL_CCEVENTB_STR-CHANGEDBY sy-vline 
WA_ICL_CCEVENTB_STR-DELETED sy-vline 
WA_ICL_CCEVENTB_STR-NAME sy-vline 
WA_ICL_CCEVENTB_STR-PHONEADDR sy-vline 
WA_ICL_CCEVENTB_STR-PHONEID sy-vline 
WA_ICL_CCEVENTB_STR-DESCRIP sy-vline 
WA_ICL_CCEVENTB_STR-REFERENCE sy-vline 
WA_ICL_CCEVENTB_STR-ROLENAME sy-vline 
WA_ICL_CCEVENTB_STR-PHONE sy-vline 
WA_ICL_CCEVENTB_STR-BPARTNER_SCR sy-vline 
WA_ICL_CCEVENTB_STR-PHONE_EXT sy-vline 
WA_ICL_CCEVENTB_STR-BIRTHDT sy-vline 
WA_ICL_CCEVENTB_STR-DEATHDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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