Golang을 사용하여 고성능 데이터베이스 저장 프로시저 작성

package main

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

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

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

    err = db.Ping()
    if err != nil {
        log.Fatal(err)
    }
    fmt.Println("Database connected successfully!")
}

func createStoredProcedure(db *sql.DB) {
    query := `
    CREATE PROCEDURE get_users()
    BEGIN
        SELECT * FROM users;
    END
    `

    _, err := db.Exec(query)
    if err != nil {
        log.Fatal(err)
    }
    fmt.Println("Stored procedure created successfully!")
}

func callStoredProcedure(db *sql.DB) {
    rows, err := db.Query("CALL get_users()")
    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("User ID: %d, Name: %s
", id, name)
    }
}