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Type:
Task
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Resolution: Unresolved
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: Querying
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Query Optimization
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3
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The update expression
{$set: {"a.$[5]": 0}}
should update the element at position 5 of array a to 0. This syntax should be used for updating arrays in oplog entries instead of
{$set: {"a.5": 0}}
which is ambiguous as to whether it means the array element at position 5, or a field of an object with name "5".
- depends on
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- Closed
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- related to
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SERVER-4753 array indexes and object subfields should be referenced with different syntax
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- Backlog
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