MongoDB Enterprise Venmo-shard-0:PRIMARY> db.all.find({Name: {$in: []}}).explain("executionStats")
{
	"queryPlanner" : {
		"plannerVersion" : 1,
		"namespace" : "email.all",
		"indexFilterSet" : false,
		"parsedQuery" : {
			"Name" : {
				"$in" : [ ]
			}
		},
		"winningPlan" : {
			"stage" : "COLLSCAN",
			"filter" : {
				"Name" : {
					"$in" : [ ]
				}
			},
			"direction" : "forward"
		},
		"rejectedPlans" : [ ]
	},
	"executionStats" : {
		"executionSuccess" : true,
		"nReturned" : 0,
		"executionTimeMillis" : 6,
		"totalKeysExamined" : 0,
		"totalDocsExamined" : 13357,
		"executionStages" : {
			"stage" : "COLLSCAN",
			"filter" : {
				"Name" : {
					"$in" : [ ]
				}
			},
			"nReturned" : 0,
			"executionTimeMillisEstimate" : 0,
			"works" : 13359,
			"advanced" : 0,
			"needTime" : 13358,
			"needYield" : 0,
			"saveState" : 104,
			"restoreState" : 104,
			"isEOF" : 1,
			"invalidates" : 0,
			"direction" : "forward",
			"docsExamined" : 13357
		}
	},
	"serverInfo" : {
		"host" : "venmo-shard-00-01-psgxh.mongodb.net",
		"port" : 27017,
		"version" : "4.0.17",
		"gitVersion" : "0bc918c73390f6e4d6349660e4cd233f5900b69a"
	},
	"ok" : 1,
	"operationTime" : Timestamp(1586213819, 1),
	"$clusterTime" : {
		"clusterTime" : Timestamp(1586213819, 1),
		"signature" : {
			"hash" : BinData(0,"qKhuLZayJxWcbHLAclO2BE5ixto="),
			"keyId" : NumberLong("6766618402439036930")
		}
	}
}
MongoDB Enterprise Venmo-shard-0:PRIMARY> db.all.explain().aggregate([{$match: {Name: {$in: []}}}])
{
	"stages" : [
		{
			"$cursor" : {
				"query" : {
					"Name" : {
						"$in" : [ ]
					}
				},
				"queryPlanner" : {
					"plannerVersion" : 1,
					"namespace" : "email.all",
					"indexFilterSet" : false,
					"parsedQuery" : {
						"Name" : {
							"$in" : [ ]
						}
					},
					"winningPlan" : {
						"stage" : "COLLSCAN",
						"filter" : {
							"Name" : {
								"$in" : [ ]
							}
						},
						"direction" : "forward"
					},
					"rejectedPlans" : [ ]
				}
			}
		}
	],
	"serverInfo" : {
		"host" : "venmo-shard-00-01-psgxh.mongodb.net",
		"port" : 27017,
		"version" : "4.0.17",
		"gitVersion" : "0bc918c73390f6e4d6349660e4cd233f5900b69a"
	},
	"ok" : 1,
	"operationTime" : Timestamp(1586214182, 1),
	"$clusterTime" : {
		"clusterTime" : Timestamp(1586214182, 1),
		"signature" : {
			"hash" : BinData(0,"0bIdML7mONv9e7S26zVjUOunDGU="),
			"keyId" : NumberLong("6766618402439036930")
		}
	}
}