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I want to remove this:
{ "val" : NumberLong(200), "chId" : 2, "reqSys" : "222220005031", "old" : NumberLong(223), "isRb" : false }, from this:
{ "_id" : ObjectId("52d7c25480f0a83293adbbbc"), "d" : 2014001, "m" : 123456789, "topups" : { "data" : [ { "val" : NumberLong(200), "chId" : 2, "reqSys" : "222220005031", "old" : NumberLong(223), "isRb" : false }, { "val" : NumberLong(150), "chId" : 2, "reqSys" : "222220005031", "old" : NumberLong(166), "isRb" : false } ], "total" : { "cnt" : 2, "revenue" : NumberLong(3500000) } } I would like to find the object by querying {d:2014001, m:123456789} and remove the whole object in the data array that has "val":200 if that is possible in one command. But if not, multiple commands work for me also. Have tried with $pull and $pullAll but I am missing something.
985
To remove an element from a doubly-nested array in MongoDB document, you can use $pull operator. Now field "UserZipCode": "20010" has been removed from a doubly-nested array.
To remove an element, update, and use $pull in MongoDB. The $pull operator removes from an existing array all instances of a value or values that match a specified condition.
Update Nested Arrays in Conjunction with $[]The $[<identifier>] filtered positional operator, in conjunction with the $[] all positional operator, can be used to update nested arrays. The following updates the values that are greater than or equal to 8 in the nested grades. questions array if the associated grades.
To remove sub document use $pull
This query will remove from nested sub document
db.collection.update({ d : 2014001 , m :123456789}, {$pull : { "topups.data" : {"val":NumberLong(200)} } } ) If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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