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Type: Task
Resolution: Fixed
Priority: Major - P3
Fix Version/s: 9.0.0-rc0
Affects Version/s: None
Component/s: None
Labels:
None

Assigned Teams:

Query Execution
Backwards Compatibility:
Fully Compatible
Sprint:
QE 2026-03-30, QE 2026-03-16, QE 2026-03-02, QE 2026-02-16
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

Remove the foreignCollection and idxEntry fields from the EqLookupNode class and replace them with a second QuerySolutionNode children tree. This tree would be a CollectionScanNode if the idxEntry field is empty, or a pair FetchNode+IndexEntryNode if an index has been identified as the join strategy

causes

SERVER-122372 Update jstests/core/query/plan_cache/plan_cache_list_plans.js to reflect new explain format

Closed

SERVER-123412 Restore check for !splitPipeline in index_filter_commands.js

Closed

related to

SERVER-133184 Explain output for deep SBE plan trees exceeds max BSON nesting depth and cannot be parsed by clients

Closed

SERVER-121730 Refactor SBE stage builder to reuse the conversion of index scans in index-based $lookup

Closed

Assignee:: Alberto Massari
Reporter:: Alberto Massari
Participants:: Alberto Massari, Githook User
Votes:: 0 Vote for this issue
Watchers:: 2 Start watching this issue

Created:: Jan 28 2026 03:46:22 PM UTC
Updated:: Aug 10 2026 11:15:31 AM UTC
Resolved:: Mar 20 2026 03:08:38 PM UTC

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PagerDuty