planner: out-of-range estimation enhancement
Open
epic/cardinality-estimation
report/customer
sig/planner
type/enhancement
- Dominant language
- Go
- Stars
- 40.5k
- Forks
- 6.2k
- PR merge metrics
- PR metrics pending
Description
## Enhancement
We've encountered many out-of-range estimation issues on users' workloads.
This issue tracks all these cases and our improvements:
- out-of-range estimation for EQ/IN (point-query)
- https://github.com/pingcap/tidb/issues/64716
- https://github.com/pingcap/tidb/issues/64137
- https://github.com/pingcap/tidb/issues/63801
- https://github.com/pingcap/tidb/issues/47400
- out-of-range estimation for CMP (range-query)
- https://github.com/pingcap/tidb/issues/57975
- https://github.com/pingcap/tidb/issues/64572
- https://github.com/pingcap/tidb/issues/64614
- https://github.com/pingcap/tidb/issues/64820
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Assessment
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