mongodb - change order of specific mongo records -


in mongodb records this

{ "_id" : objectid("5191fc1206610430cd000004"), "ancestry" : null, "name" : "root" } { "_id" : objectid("5191fc1306610430cd000005"), "ancestry" : null, "name" : "root1"} { "_id" : objectid("5191fc2706610430cd000006"), "ancestry" : null, "name" : "root2"} { "_id" : objectid("5191fc2806610430cd000007"), "ancestry" : null, "name" : "root3"}

i want change order of records this

{ "_id" : objectid("5191fc2706610430cd000006"), "ancestry" : null, "name" : "root2"} { "_id" : objectid("5191fc1206610430cd000004"), "ancestry" : null, "name" : "root" } { "_id" : objectid("5191fc1306610430cd000005"), "ancestry" : null, "name" : "root1"} { "_id" : objectid("5191fc2806610430cd000007"), "ancestry" : null, "name" : "root3"}

and have following information node move 

{ "_id" : objectid("5191fc2706610430cd000006"), "ancestry" : null, "name" : "root2"}

move before node 

{ "_id" : objectid("5191fc1206610430cd000004"), "ancestry" : null, "name" : "root" }

how can this??

you cannot that. cannot change order of records. sorted objectid(almost). if want sort based on parameter, put objects , sort parameter.


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