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Type: Improvement
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 8.3.0-rc0
Affects Version/s: None
Component/s: None
Labels:
- query-pbt

Assigned Teams:

Query Execution
Backwards Compatibility:
Fully Compatible
Sprint:
QE 2026-01-19, QE 2026-02-02
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

After SERVER-103787 is complete, we'll have a robust $lookup model. We can build an $unwind model, then target $lookup-$unwind queries because this case has lots of existing optimizations, and future optimizations we'd like to implement

is blocked by

SERVER-113240 Model $lookup in fast-check and create correctness PBT

Open

is related to

SERVER-103787 Create property-based test for $lookup with different topologies for the local and foreign collections

Backlog

SERVER-118545 Add property-based test for 3-way $lookup-$unwind join chain

Backlog

is testing

SERVER-118416 Fix join reordering tripwire assertions for lookup+unwind pipelines and re-enable lookup_unwind_pbt PBT

Needs Scheduling

Assignee:: Catalin Sumanaru
Reporter:: Matt Boros
Participants:: Catalin Sumanaru, Githook User, Matt Boros
Votes:: 0 Vote for this issue
Watchers:: 7 Start watching this issue

Created:: Sep 11 2025 07:48:51 PM UTC
Updated:: Feb 05 2026 11:15:56 AM UTC
Resolved:: Jan 30 2026 10:22:26 AM UTC

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