Golang cannot get err when query timeout

**Describe the bug**
Golang cannot get error when query timeout

**To Reproduce**
execute a long time used SQL using driver.Query(SQL) api.
```golang
rows, err := driver.Query(SQL)
if err != nil {
 //print err and return
}
for rows.Next() {
 //read rows
}
```

**Expected behavior**
err != nil but err == nil and rows.Next() return false
