pingcap / pingcap/tidb

bind_id in plan

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#32,883 2 comments 0 reactions 0 assignees View on GitHub
sig/planner type/enhancement
Dominant language
Go
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Description

Add bind_id in execution plan.

The scenario is:
when more bindings are used, when the past bindings do not satisfy the present query.
A sql execution slows down and it is not possible to immediately determine if it is a binding that matches the condition.
And when you try to use hint, you find that hint does not take effect before you know that the sql is bound, which is difficult for operation and maintenance.

This is a set of combination punches to reduce the difficulty of operation and maintenance of bindings #31852

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