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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 4.1.3
Affects Version/s: None
Component/s: Aggregation Framework
Labels:
None

Backwards Compatibility:
Fully Compatible
Sprint:
Query 2018-08-13, Query 2018-08-27, Query 2018-09-10

If the aggregation is run in a cluster, the unique key should be the _id and all of the fields of the shard key. Otherwise, the unique key is just the _id.

depends on

SERVER-35893 Update $out to accept new syntax

Closed

is depended on by

SERVER-18027 Support aggregation $out to sharded collection

Closed

SERVER-36047 (Sharded target collection) Enforce existence of unique index containing fields of $out uniqueKey

Closed

SERVER-36367 Add validation checks for $out uniqueKey

Closed

SERVER-36813 Test the defaulting of uniqueKey when the catalog cache is stale

Closed

is documented by

DOCS-12018 Docs for SERVER-35954: Build uniqueKey from the shard key if not present in user command

Closed

(1 is documented by)

Assignee:: Charlie Swanson

Reporter:: Nicholas Zolnierz

Participants:: Charlie Swanson, Githook User, Nicholas Zolnierz

Votes:: 0 Vote for this issue

Watchers:: 7 Start watching this issue

Created:: Jul 03 2018 08:14:02 PM UTC

Updated:: Oct 29 2023 10:30:09 PM UTC

Resolved:: Aug 24 2018 01:46:59 PM UTC

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