pingcap / pingcap/tidb

`estRows` differs significantly from `actRows`

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#39,762 0 comments 1 reaction 1 assignee Claimed by @time-and-fate View on GitHub
epic/cardinality-estimation sig/planner type/enhancement
Dominant language
Go
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Description

## Enhancement

```sql
EXPLAIN ANALYZE format='verbose' SELECT *
FROM github_events
WHERE repo_id = 41986369 AND type = 'PullRequestEvent'
ORDER BY created_at ASC
LIMIT 1
```

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