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Type:
Task
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Resolution: Unresolved
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: None
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Query Optimization
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Currently each plan ranking strategy enumerates its own solutions and that sometimes leads to enumerating twice (e.g: when falling back from MP to CBR). We can do better, enumerate at the dispatcher and feed the solutions to the ranking strategies. That may also permit simplifying code like multiplanner reference not being optional.
Within this ticket also refactor the parameters to the rankPlans() methods to reuse the information already available in the PlannerData argument.
- is depended on by
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SERVER-117488 Multiplan only CBR best candidate + not estimables when CBR cannot estimate
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- Needs Scheduling
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- is related to
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SERVER-117209 Expose CBR related query knobs for IFR
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- Closed
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- related to
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SERVER-115226 [CBR] Implement single solution fast path and count fast path for CBR
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- Backlog
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