learning_go/go-code-samples/database-sql-package-goproject/connection/connection.go
2025-12-20 10:21:45 +03:00

44 lines
647 B
Go

package main
import (
"database/sql"
"fmt"
"log"
"os"
"github.com/go-sql-driver/mysql"
)
var db *sql.DB
type Album struct {
ID int64
Title string
Artist string
Price float32
Quantity int64
}
func main() {
// Capture connection properties.
cfg := mysql.Config{
User: os.Getenv("DBUSER"),
Passwd: os.Getenv("DBPASS"),
Net: "tcp",
Addr: "127.0.0.1:3306",
DBName: "recordings",
}
// Get a database handle.
var err error
db, err = sql.Open("mysql", cfg.FormatDSN())
if err != nil {
log.Fatal(err)
}
pingErr := db.Ping()
if pingErr != nil {
log.Fatal(pingErr)
}
fmt.Println("Connected!")
}