TiDB는 Go 언어를 사용하여 개발됩니까?

package main

import (
    "fmt"
    "time"
)

func main() {
    for i := 0; i < 5; i++ {
        go func(num int) {
            fmt.Printf("goroutine %d
", num)
        }(i)
    }

    time.Sleep(time.Second) // 等待goroutine执行完毕
}

package main

import (
    "fmt"
    "time"
)

func producer(ch chan int) {
    for i := 0; i < 5; i++ {
        ch <- i
        fmt.Printf("Produced: %d
", i)
    }
    close(ch)
}

func consumer(ch chan int) {
    for v := range ch {
        fmt.Printf("Consumed: %d
", v)
    }
}

func main() {
    ch := make(chan int)

    go producer(ch)
    go consumer(ch)

    time.Sleep(time.Second) // 等待goroutine执行完毕
}

package main

import (
    "database/sql"
    "fmt"
    "log"

    _ "github.com/go-sql-driver/mysql"
)

func main() {
    db, err := sql.Open("mysql", "username:password@tcp(localhost:3306)/database")
    if err != nil {
        log.Fatal(err)
    }
    defer db.Close()

    rows, err := db.Query("SELECT * FROM table")
    if err != nil {
        log.Fatal(err)
    }
    defer rows.Close()

    for rows.Next() {
        var id int
        var name string
        err = rows.Scan(&id, &name)
        if err != nil {
            log.Fatal(err)
        }
        fmt.Printf("ID: %d, Name: %s
", id, name)
    }
}