package db import ( "database/sql" "fmt" _ "github.com/go-sql-driver/mysql" ) var handle *sql.DB func Init(username, password, protocol, address, database string) error { var err error handle, err = sql.Open("mysql", username+":"+password+"@"+protocol+"("+address+")/"+database) if err != nil { return fmt.Errorf("failed to open database connection: %s", err) } handle.SetMaxOpenConns(1000) return nil }