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Type: Improvement
Resolution: Unresolved
Priority: Critical - P2
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
- CBR
- M2
- completness
- qo-cost-model

Assigned Teams:

Query Optimization
CAR Domain/s:
None

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

We support ixscan, but not count scan.

is depended on by

SERVER-100417 Add cost estimate and CE for COUNT stage in explain

Needs Scheduling

is duplicated by

SERVER-118725 [CBR] Implement CE for COUNT_SCAN_NODE

Closed

related to

SERVER-118468 Explains for fast count queries crashes cbr for no mp results

Closed

Assignee:: Unassigned
Reporter:: Kartal Kaan Bozdogan
Participants:: Kartal Kaan Bozdogan
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: Feb 02 2026 12:36:50 PM UTC
Updated:: Jul 27 2026 12:07:03 PM UTC