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chore(planner): improve histogram cardinality estimation #17200

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Dousir9
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@Dousir9 Dousir9 commented Jan 7, 2025

I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/

Summary

Improve histogram cardinality estimation.

Tests

  • Unit Test
  • Logic Test
  • Benchmark Test
  • No Test - Explain why

Type of change

  • Bug Fix (non-breaking change which fixes an issue)
  • New Feature (non-breaking change which adds functionality)
  • Breaking Change (fix or feature that could cause existing functionality not to work as expected)
  • Documentation Update
  • Refactoring
  • Performance Improvement
  • Other (please describe):

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@github-actions github-actions bot added the pr-chore this PR only has small changes that no need to record, like coding styles. label Jan 7, 2025
@Dousir9 Dousir9 marked this pull request as ready for review January 8, 2025 01:16
@Dousir9 Dousir9 requested review from sundy-li and zhang2014 January 8, 2025 01:17
@BohuTANG BohuTANG added the ci-benchmark-cloud Benchmark: run only cloud tests for tpch/hits label Jan 8, 2025
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github-actions bot commented Jan 8, 2025

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  • tag: pr-17200-9b60c5c-1736303512

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@Dousir9 Dousir9 enabled auto-merge January 8, 2025 06:44
@Dousir9 Dousir9 added this pull request to the merge queue Jan 8, 2025
@BohuTANG BohuTANG removed this pull request from the merge queue due to a manual request Jan 8, 2025
@BohuTANG BohuTANG merged commit 01495a1 into databendlabs:main Jan 8, 2025
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Dousir9 added a commit that referenced this pull request Jan 8, 2025
* chore(planner): improve histogram cardinality estimation

* chore(test): update sqllogictest

* chore(test): add sqllogictest

* chore(test): update sqllogictest

* chore(test): add fuzz test

* chore(test): add physical plan info

* chore(test): update fuzz test

* chore(test): refine test
BohuTANG pushed a commit that referenced this pull request Jan 8, 2025
…17210)

chore(planner): improve histogram cardinality estimation (#17200)

* chore(planner): improve histogram cardinality estimation

* chore(test): update sqllogictest

* chore(test): add sqllogictest

* chore(test): update sqllogictest

* chore(test): add fuzz test

* chore(test): add physical plan info

* chore(test): update fuzz test

* chore(test): refine test

Co-authored-by: everpcpc <[email protected]>
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4 participants