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    onItemUpdate() receives null value of item under DISTINCT mode

    When a client subscribed to ITEM.fieldA in DISTINCT mode, and the DataAdapter makes an update of ITEM.fieldB without fieldA. The client received a null value event. Is it normal? How can it be avoid?

    Below is the server side code for testing purpose:


    Below is the client side code for testing purpose:


    Output from console:
    fieldA: null
    fieldA: valueA
    Last edited by Manta LI; July 1st, 2016 at 05:58 AM.

 

 

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