No index use status error

## Bug Report

### 1. Minimal reproduce step (Required)

1. Install TiDB / MySQL
2. Install JDK/Maven
3. Clone this [code](https://github.com/Icemap/tidb-java-gitpod/tree/no-index-use-status)
4. Point [JDBC URL](https://github.com/Icemap/tidb-java-gitpod/blob/no-index-use-status/src/main/java/com/pingcap/App.java#L24) to TiDB host
5. Run `mvn clean package && java -jar target/tidb-java-gitpod-0.0.1-jar-with-dependencies.jar`
6. Point `JDBC URL` to MySQL host
7. Run `mvn clean package && java -jar target/tidb-java-gitpod-0.0.1-jar-with-dependencies.jar`
8. Outputs are not same

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

In TiDB:

```
SET autocommit=1
This query has bad index to used
SELECT f2 FROM testReversalOfScanFlags
This query has bad index to used
```

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

In MySQL:

```
SET autocommit=1
This query has bad index to used
SELECT f2 FROM testReversalOfScanFlags
This query no index to used
```

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

5.7.25-TiDB-None (master branch)