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Howard Qin <hao.qin@hp.com>
committed
on 08 Dec 14
Hybrid Query Cache feature implemented.
The Hybrid Query Cache (HQC) is an enhancement of existing Query Cache,
which is trying … Show more
   Hybrid Query Cache feature implemented.

   The Hybrid Query Cache (HQC) is an enhancement of existing Query Cache,

   which is trying to find match queries in existing query cache at an earlier point,

   i.e. just after parser and before binder so as to avoid binder overhead if there's a hit.

   Two virutal table ISPs are added to show stats of Hybrid Query Cache.

   Add control of ISP to run locally or remotely.

   Changes after reviewers' comments.

   Fixup errors in SqlciErrors.txt that cause core/TEST014 failure.

   Fix minor issues about (hybrid)query cache ISP.

   Add HQC virtual table ISP tests to compGeneral/TEST042.

Change-Id: Ib5be56e04990639153747255834b30fc9c3f3829

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