Query dispatcher

The function of the dispatcher is to route the query request to either CQE or SQE, depending on the attributes of the query. All queries are processed by the dispatcher. It cannot be bypassed.

Currently, the dispatcher routes an SQL statement to CQE if it finds that the statement references or contains any of the following:

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Start of changeAs new functionality is added in the future, the dispatcher will route more queries to SQE and decreasingly fewer to CQE.End of change