planner: add documents for cost model variables #9802
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TomShawn
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@qw4990 PTAL |
Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>
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Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>
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This pull request has been accepted and is ready to merge. Commit hash: d081be1
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In response to a cherrypick label: new pull request created: #10669. |
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* add cost model * fix typo * Apply suggestions from code review Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com> * update the cost model * Apply suggestions from code review * Apply suggestions from code review * translate from pingcap/docs-cn#10760 * Apply suggestions from code review Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com> * apply suggestions from @qw4990 * Update system-variables.md * Apply suggestions from code review * Update sql-physical-optimization.md Co-authored-by: Aolin <aolin.zhang@pingcap.com> Co-authored-by: Aolin <aolinz@outlook.com> Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>
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