pingcap / pingcap/tidb

hint doesn't cover the logical alternatices

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#68,934 2 comments 0 reactions 0 assignees View on GitHub
severity/moderate sig/planner type/bug
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Description

## Bug Report

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

It's not possible to use hints to control the logical alternatives.

For example, the JoinToApply is impossible to become the final plan when the estimation is wrong. No hint can do this.

The case is trivial to build.
So the following fields are missed here.

### 2. What did you expect to see? (Required)

### 3. What did you see instead (Required)

### 4. What is your TiDB version? (Required)

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