wrong estimation causing wrong plan in TPCDS
Open
epic/cardinality-estimation
sig/planner
type/enhancement
- Dominant language
- Go
- Stars
- 40.5k
- Forks
- 6.2k
- PR merge metrics
- PR metrics pending
Description
## Enhancement
Q53 and Q63
Contributor guide
Research direction
The issue names no files, tests, or entry points. Begin with TPC-DS Q53 and Q63 and the attached plan output; reproduce both queries, trace the estimation and plan-selection path, and confirm that corrected estimates produce the expected plans.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- go, sql
- Domain
- databases, performance
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100