• Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: 2.6.7
    • Component/s: Index Maintenance
    • None
    • Fully Compatible
    • ALL

      > part.findOne()
      {
      	"_id" : ObjectId("54bf9b01bef23df039fb0caf"),
      	"mac" : "0026C76A6E08",
      	"location" : {
      		"timestamp" : ISODate("2015-01-21T12:27:31Z"),
      		"pos_status" : 0,
      		"x" : 49.37150573730469,
      		"y" : 5.593080043792725,
      		"ip" : ""
      	},
      	"customer" : [ ],
      	"ofi" : [
      		{
      			"oft" : 0,
      			"id" : "0"
      		},
      		{
      			"oft" : 0,
      			"id" : "1"
      		},
      		{
      			"oft" : 0,
      			"id" : "A"
      		}
      	]
      }
      
      > part.ensureIndex({'location.timestamp': 1, 'ofi.id': 1})
      {
      	"createdCollectionAutomatically" : false,
      	"numIndexesBefore" : 2,
      	"numIndexesAfter" : 3,
      	"ok" : 1
      }
      
      > part.find({'location.timestamp': {'$gte': new Date('2015-01-21 12:00:00'), '$lt': new Date('2015-01-21 22:00:00')}}).hint({'location.timestamp':1, 'ofi.id': 1}).explain()
      {
      	"cursor" : "BtreeCursor location.timestamp_1_ofi.id_1",
      	"isMultiKey" : true,
      	"n" : 500,
      	"nscannedObjects" : 500,
      	"nscanned" : 1500,
      	"nscannedObjectsAllPlans" : 500,
      	"nscannedAllPlans" : 1500,
      	"scanAndOrder" : false,
      	"indexOnly" : false,
      	"nYields" : 11,
      	"nChunkSkips" : 0,
      	"millis" : 2,
      	"indexBounds" : {
      		"location.timestamp" : [
      			[
      				true,
      				ISODate("2015-01-21T14:00:00Z")
      			]
      		],
      		"ofi.id" : [
      			[
      				{
      					"$minElement" : 1
      				},
      				{
      					"$maxElement" : 1
      				}
      			]
      		]
      	},
      	"server" : "smartac-2015:27017",
      	"filterSet" : false
      }
      

            Assignee:
            david.storch@mongodb.com David Storch
            Reporter:
            wencan wencan
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            Watchers:
            3 Start watching this issue

              Created:
              Updated:
              Resolved: