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Type: Improvement
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 8.3.0-rc0
Affects Version/s: None
Component/s: Aggregation Framework
Labels:
- auto-reverted

Assigned Teams:

Atlas SQL
Backwards Compatibility:
Fully Compatible
Linked BF Score:
200
CAR Domain/s:
None

Aha! Reference:
None
Tracking Level:
None
Risk Status:
None
Exec Notes:
None
Goal Name(s):
None
Goal Link:
None

This adds a 'db' field to union with so that unioning across databases is allowed

is depended on by

COMPASS-9980 Update $unionWith template in mongodb-constants package

Backlog

related to

SERVER-127691 cross-db $lookup tasserts when source DB has a same-named view

Open

SERVER-122573 [v8.3] Revert cross-db $unionWith/$lookup support

Closed

Assignee:: Patrick Meredith (Inactive)
Reporter:: Patrick Meredith (Inactive)
Participants:: Githook User, Mothra Jira Bot, Patrick Meredith
Votes:: 0 Vote for this issue
Watchers:: 5 Start watching this issue

Created:: Aug 27 2025 08:51:19 PM UTC
Updated:: Jun 03 2026 09:42:32 AM UTC
Resolved:: Oct 21 2025 04:26:00 PM UTC