allPlansExecution broken for samplingCE

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    • Type: Bug
    • Resolution: Works as Designed
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: None
    • Query Optimization
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      db.adminCommand({setParameter:1, featureFlagCostBasedRanker: true, internalQueryCBRCEMode: "samplingCE", internalQueryPlanRanker: "costBased"})
db.a.drop()
db.a.createIndex({a: 1, b:1})
db.a.createIndex({a: 1, c:1})
db.a.insertOne({})
db.a.explain("allPlansExecution").find({}).sort({a: 1})
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      db.adminCommand({setParameter:1, featureFlagCostBasedRanker: true , internalQueryCBRCEMode: "samplingCE" , internalQueryPlanRanker: "costBased" }) db.a.drop() db.a.createIndex({a: 1, b:1}) db.a.createIndex({a: 1, c:1}) db.a.insertOne({}) db.a.explain( "allPlansExecution" ).find({}).sort({a: 1})
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      All stats are zero

            Assignee:
            Unassigned
            Reporter:
            Kartal Kaan Bozdogan
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              Created:
              Updated:
              Resolved: