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Type: Improvement
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Resolution: Done
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Priority: Major - P3
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Affects Version/s: None
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Component/s: Aggregation Framework
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Fully Compatible
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Query 2018-08-13
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(copied to CRM)
Currently specifying $out with existing collection name will replace that collection - there are cases where we might want to append to it or merge with it.
This is a request for such an option.
- depends on
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SERVER-35896 Support "replaceDocuments" mode in $out
- Closed
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SERVER-35897 Support dropTarget false in $out
- Closed
- is depended on by
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SERVER-18027 Support aggregation $out to sharded collection
- Closed
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SERVER-544 Merge/overwrite collections function
- Closed
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SERVER-6025 Similar mysql syntax "INSERT ... SELECT ..." for sharded collection.
- Closed
- is duplicated by
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SERVER-29119 Aggregation: Allow $out the ability to merge the output with the existing data
- Closed
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SERVER-25886 allow upsert option via aggregation $out
- Closed
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SERVER-30320 Feature Request: Merge
- Closed
- is related to
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SERVER-12342 Add dropTarget option $out operator
- Backlog