Details
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Improvement
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Resolution: Done
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Major - P3
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None
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None
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None
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Mongodb: 2.2.0
Linux: 2.6.32-279.9.1.el6.x86_64 (CentOS)
*Location*: http://cn.docs.mongodb.org/manual/
*User-Agent*: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4
*Referrer*: http://cn.docs.mongodb.org/manual/reference/method/
*Screen Resolution*: 1440 x 900
Mongodb: 2.2.0 Linux: 2.6.32-279.9.1.el6.x86_64 (CentOS) *Location*: http://cn.docs.mongodb.org/manual/ *User-Agent*: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.94 Safari/537.4 *Referrer*: http://cn.docs.mongodb.org/manual/reference/method/ *Screen Resolution*: 1440 x 900
Description
db.people.insert([
{ "_id" : ObjectId("508f639c086512dc1f8694bd"), "username" : "smith", "age" : 48, "user_id" : 0 },
{ "_id" : ObjectId("508f63a1086512dc1f8694be"), "username" : "smith", "age" : 30, "user_id" : 1 },
{ "_id" : ObjectId("508f63ae086512dc1f8694bf"), "username" : "john", "age" : 36, "user_id" : 2 },
{ "_id" : ObjectId("508f63b9086512dc1f8694c0"), "username" : "john", "age" : 18, "user_id" : 3 },
{ "_id" : ObjectId("508f63ca086512dc1f8694c1"), "username" : "joe", "age" : 36, "user_id" : 4 },
{ "_id" : ObjectId("508f63d5086512dc1f8694c2"), "username" : "john", "age" : 7, "user_id" : 5 },
{ "_id" : ObjectId("508f63e0086512dc1f8694c3"), "username" : "simon", "age" : 3, "user_id" : 6 },
{ "_id" : ObjectId("508f63ee086512dc1f8694c4"), "username" : "joe", "age" : 27, "user_id" : 7 },
{ "_id" : ObjectId("508f63f9086512dc1f8694c5"), "username" : "jacob", "age" : 17, "user_id" : 8 },
{ "_id" : ObjectId("508f6404086512dc1f8694c6"), "username" : "sally", "age" : 52, "user_id" : 9 },
{ "_id" : ObjectId("508f640d086512dc1f8694c7"), "username" : "simon", "age" : 59, "user_id" : 10 }])
db.people.ensureIndex(
{"age": 1},
{"dropDups": true}) # step 1
db.people.ensureIndex(
,
{"unique": true, "dropDups": true}) # step 2
The step 2 doesn't take effect after I run step 1...
Reporter: Ryououki
E-mail: ytao_s@hotmail.com![]()