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planner: enable the new cost implementation by default #34567
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[REVIEW NOTIFICATION] This pull request has been approved by:
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/run-all-tests |
/rebuild |
/run-mysql-test |
Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/984bd1f6b522d6bfa0f89f1c43d43e1af868327c |
` └─Selection_8 1.25 0.00 cop[tikv] not(isnull(test.t_inner_idx.a))`, | ||
` └─IndexRangeScan_7 1.25 0.00 cop[tikv] table:t_inner_idx, index:a(a) range: decided by [eq(test.t_inner_idx.a, test.t_outer.a)], keep order:false, stats:pseudo`)) | ||
` └─Selection_8 1.25 58.18 cop[tikv] not(isnull(test.t_inner_idx.a))`, | ||
` └─IndexRangeScan_7 1.25 54.43 cop[tikv] table:t_inner_idx, index:a(a) range: decided by [eq(test.t_inner_idx.a, test.t_outer.a)], keep order:false, stats:pseudo`)) |
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Cost changes like 0.00 -> xxx
are expected since the old cost implementation cannot trace operators' costs well so some of them are not set, but in our new cost implementation, every operator's cost can be traced naturally.
/run-unit-test |
/merge |
This pull request has been accepted and is ready to merge. Commit hash: 0ab6f0b
|
/run-mysql-test |
/rebuild |
/merge |
/run-mysql-test |
TiDB MergeCI notify🔴 Bad News! [1] CI still failing after this pr merged.
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What problem does this PR solve?
Issue Number: close #33945
Problem Summary: planner: enable the new cost implementation by default
What is changed and how it works?
planner: enable the new cost implementation by default
Check List
Tests
Side effects
Documentation
Release note
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