func makeConnection(db *mysql.DB) error {
if db == nil {
return fmt.Errorf("Can not make connection to database because of db is nil")
}
err := db.Ping()
//TODO: retry
if err != nil {
log.Errorf("makeConnection error msg:%s", err.Error())
}
return err
}
func setDBProperty(db *mysql.DB, nodeCfg *config.NodeConfig) {
db.SetMaxOpenConns(nodeCfg.MaxConnections)
db.SetMaxIdleConns(nodeCfg.MaxConnectionPoolSize)
db.SetDbAliveStatus(true)
}