ABAP Select data from SAP table CESJICNCTPRSN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CESJICNCTPRSN
*  INTO TABLE @DATA(IT_CESJICNCTPRSN2).
*--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_CESJICNCTPRSN INDEX 1 INTO DATA(WA_CESJICNCTPRSN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CESJICNCTPRSN>-MANDT = 1.
<CESJICNCTPRSN>-OBJECTTYPE = 1.
<CESJICNCTPRSN>-CUSTOMERCONTACT = 1.
<CESJICNCTPRSN>-CUSTOMER = 1.
<CESJICNCTPRSN>-FORMOFADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CESJICNCTPRSN-FIRSTNAME, sy-vline,
  WA_CESJICNCTPRSN-LASTNAME, sy-vline,
  WA_CESJICNCTPRSN-EMAILADDRESS, sy-vline,
  WA_CESJICNCTPRSN-PHONENUMBER, sy-vline,
  WA_CESJICNCTPRSN-HOUSENUMBER, sy-vline,
  WA_CESJICNCTPRSN-STREETNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CESJICNCTPRSN 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_CESJICNCTPRSN 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_CESJICNCTPRSN INTO WA_CESJICNCTPRSN.


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

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

*Conversion exit SXIDN, internal->external for field EMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_CESJICNCTPRSN-EMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CESJICNCTPRSN-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_CESJICNCTPRSN_STR, 
MANDT TYPE STRING,
OBJECTTYPE TYPE STRING,
CUSTOMERCONTACT TYPE STRING,
CUSTOMER TYPE STRING,
FORMOFADDRESS TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
EMAILADDRESS TYPE STRING,
PHONENUMBER TYPE STRING,
HOUSENUMBER TYPE STRING,
STREETNAME TYPE STRING,
CITYNAME TYPE STRING,
REGION TYPE STRING,
REGIONNAME TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
POSTALCODE TYPE STRING,
CONTACTPERSONDEPARTMENT TYPE STRING,
CONTACTPERSONDEPARTMENTNAME TYPE STRING,
CONTACTPERSONFUNCTION TYPE STRING,
CONTACTPERSONFUNCTIONNAME TYPE STRING,
FULLNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CESJICNCTPRSN_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_CESJICNCTPRSN_STR-MANDT sy-vline 
WA_CESJICNCTPRSN_STR-OBJECTTYPE sy-vline 
WA_CESJICNCTPRSN_STR-CUSTOMERCONTACT sy-vline 
WA_CESJICNCTPRSN_STR-CUSTOMER sy-vline 
WA_CESJICNCTPRSN_STR-FORMOFADDRESS sy-vline 
WA_CESJICNCTPRSN_STR-FIRSTNAME sy-vline 
WA_CESJICNCTPRSN_STR-LASTNAME sy-vline 
WA_CESJICNCTPRSN_STR-EMAILADDRESS sy-vline 
WA_CESJICNCTPRSN_STR-PHONENUMBER sy-vline 
WA_CESJICNCTPRSN_STR-HOUSENUMBER sy-vline 
WA_CESJICNCTPRSN_STR-STREETNAME sy-vline 
WA_CESJICNCTPRSN_STR-CITYNAME sy-vline 
WA_CESJICNCTPRSN_STR-REGION sy-vline 
WA_CESJICNCTPRSN_STR-REGIONNAME sy-vline 
WA_CESJICNCTPRSN_STR-COUNTRY sy-vline 
WA_CESJICNCTPRSN_STR-COUNTRYNAME sy-vline 
WA_CESJICNCTPRSN_STR-POSTALCODE sy-vline 
WA_CESJICNCTPRSN_STR-CONTACTPERSONDEPARTMENT sy-vline 
WA_CESJICNCTPRSN_STR-CONTACTPERSONDEPARTMENTNAME sy-vline 
WA_CESJICNCTPRSN_STR-CONTACTPERSONFUNCTION sy-vline 
WA_CESJICNCTPRSN_STR-CONTACTPERSONFUNCTIONNAME sy-vline 
WA_CESJICNCTPRSN_STR-FULLNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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