Group join optimizer explain fields under queryPlanner.joinOptimizer

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    • Type: Task
    • Resolution: Done
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: None
    • Query Optimization
    • Fully Compatible
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      Move joinFallbackReason, joinPlanCacheKey and joinOptimizationMetrics into a new queryPlanner.joinOptimizer object as fallbackReason, planCacheKey and metrics. Replace the boolean wtLeafPagesAvailable with collectionsWithoutPageCount (the namespaces without an approximate leaf page count). Only show metrics and collectionsWithoutPageCount when internalEnableDetailedJoinExplain is enabled.

        1.
        		 Group join explain fields under joinOptimizer and gate metrics SERVER-138849 Sub-task Closed Max Verbinnen 9.1.0-rc0, 9.1.0-rc1025
        2.
        		 Expose joinOptimizer.collectionsWithoutPageCount in explain SERVER-138850 Sub-task Closed Max Verbinnen 9.1.0-rc0, 9.1.0-rc1025

            Assignee:
            Max Verbinnen
            Reporter:
            Max Verbinnen
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              Created:
              Updated:
              Resolved: