pingcap / pingcap/tidb

Support cost formula calculation hook for optimize tracer

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#44,728 0 comments 0 reactions 0 assignees View on GitHub
type/enhancement
Dominant language
Go
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Description

## Enhancement
Current plan cost calculate the value directly and give the formula in other place, if the cost calculation get changed, we should change the value calculation and formula at the same time. We need an interface if user want to customize the cost formula calculation.

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