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ASYNCHRONOUS TRANSFER OF STATE INFORMATION BETWEEN CONTINUOUS QUERY PLANS

  • US 20120166417A1
  • Filed: 12/23/2010
  • Published: 06/28/2012
  • Est. Priority Date: 12/23/2010
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving a first continuous query plan, wherein a continuous query plan is a logical representation of a query, wherein the first continuous query plan comprises a first plurality of operators that are configured to continuously perform processing operations on temporal event streams with revisions;

    receiving a second continuous query plan, wherein the second continuous query plan comprises a second plurality of operators that are configured to continuously perform processing operations on the temporal events; and

    using a processor to automatically migrate, in an asynchronous manner, state information of at least one operator in the first plurality of operators to the second continuous query plan.

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