electricity_bill_calc_service/global/db.go

38 lines
758 B
Go

package global
import (
"fmt"
"time"
"electricity_bill_calc/config"
_ "github.com/lib/pq"
"xorm.io/xorm"
)
var (
DBConn *xorm.Engine
)
func SetupDatabaseConnection() error {
var err error
DBConn, err = xorm.NewEngine("postgres", fmt.Sprintf(
"host=%s user=%s password=%s dbname=%s port=%d sslmode=disable TimeZone=Asia/Shanghai connect_timeout=0",
config.DatabaseSettings.Host,
config.DatabaseSettings.User,
config.DatabaseSettings.Pass,
config.DatabaseSettings.DB,
config.DatabaseSettings.Port,
))
if err != nil {
return err
}
DBConn.Ping()
DBConn.SetMaxIdleConns(config.DatabaseSettings.MaxIdleConns)
DBConn.SetMaxOpenConns(config.DatabaseSettings.MaxOpenConns)
DBConn.SetConnMaxLifetime(60 * time.Second)
return nil
}