ABAP Select data from SAP table ICONTACT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICONTACT
*  INTO TABLE @DATA(IT_ICONTACT2).
*--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_ICONTACT INDEX 1 INTO DATA(WA_ICONTACT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICONTACT>-MANDT = 1.
<ICONTACT>-MASTERPROJECTUUID = 1.
<ICONTACT>-CONTACTCARDUUID = 1.
<ICONTACT>-PROJECTLASTCHANGEDDATETIME = 1.
<ICONTACT>-MSTRPROJCUSTOMERCONTACTTITLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICONTACT-FIRSTNAME, sy-vline,
  WA_ICONTACT-LASTNAME, sy-vline,
  WA_ICONTACT-CONTACTPERSON, sy-vline,
  WA_ICONTACT-ROLE, sy-vline,
  WA_ICONTACT-MOBILEPHONENUMBER, sy-vline,
  WA_ICONTACT-CONTACTPERSONPHONENUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICONTACT 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_ICONTACT 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_ICONTACT INTO WA_ICONTACT.


*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 SXIDN, internal->external for field CONTACTPERSONEMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_ICONTACT-CONTACTPERSONEMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICONTACT-CONTACTPERSONEMAILADDRESS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field EMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_ICONTACT-EMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICONTACT-EMAILADDRESS.
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_ICONTACT_STR, 
MANDT TYPE STRING,
MASTERPROJECTUUID TYPE STRING,
CONTACTCARDUUID TYPE STRING,
PROJECTLASTCHANGEDDATETIME TYPE STRING,
MSTRPROJCUSTOMERCONTACTTITLE TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
CONTACTPERSON TYPE STRING,
ROLE TYPE STRING,
MOBILEPHONENUMBER TYPE STRING,
CONTACTPERSONPHONENUMBER TYPE STRING,
CONTACTPERSONEMAILADDRESS TYPE STRING,
EMAILADDRESS TYPE STRING,
MASTERPROJECTSURVEYACTION TYPE STRING,
MASTERPROJECT TYPE STRING,
MASTERPROJECTTYPE TYPE STRING,
MASTERPROJECTORGANIZATION TYPE STRING,
MASTERPROJECTISCONFIDENTIAL TYPE STRING,
BUSINESSPARTNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICONTACT_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_ICONTACT_STR-MANDT sy-vline 
WA_ICONTACT_STR-MASTERPROJECTUUID sy-vline 
WA_ICONTACT_STR-CONTACTCARDUUID sy-vline 
WA_ICONTACT_STR-PROJECTLASTCHANGEDDATETIME sy-vline 
WA_ICONTACT_STR-MSTRPROJCUSTOMERCONTACTTITLE sy-vline 
WA_ICONTACT_STR-FIRSTNAME sy-vline 
WA_ICONTACT_STR-LASTNAME sy-vline 
WA_ICONTACT_STR-CONTACTPERSON sy-vline 
WA_ICONTACT_STR-ROLE sy-vline 
WA_ICONTACT_STR-MOBILEPHONENUMBER sy-vline 
WA_ICONTACT_STR-CONTACTPERSONPHONENUMBER sy-vline 
WA_ICONTACT_STR-CONTACTPERSONEMAILADDRESS sy-vline 
WA_ICONTACT_STR-EMAILADDRESS sy-vline 
WA_ICONTACT_STR-MASTERPROJECTSURVEYACTION sy-vline 
WA_ICONTACT_STR-MASTERPROJECT sy-vline 
WA_ICONTACT_STR-MASTERPROJECTTYPE sy-vline 
WA_ICONTACT_STR-MASTERPROJECTORGANIZATION sy-vline 
WA_ICONTACT_STR-MASTERPROJECTISCONFIDENTIAL sy-vline 
WA_ICONTACT_STR-BUSINESSPARTNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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