Add 'stateChanges' to $planCacheStats

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    • Type: Improvement
    • Resolution: Unresolved
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: Diagnostics, Querying
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    • Query Execution
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      stateChanges: [
    …,
    {
        from: <”active”|”inactive”>,
        to: <”active”|”inactive”>,
        time: <Date>,
        works: <NumberLong>,
        newPlanSummary: <truncated summary string>
    },
    ...
]

      The number of transitions that we are willing to store for a particular plan cache entry should be capped by a query knob. We should always store the most recent transitions.

            Assignee:
            [DO NOT USE] Backlog - Query Execution
            Reporter:
            David Storch
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              Created:
              Updated: