VideoStream/dao/db.go

50 lines
1.1 KiB
Go

package dao
import (
"VideoStream/proto"
"fmt"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
var DB *gorm.DB
func Init() error {
var db *gorm.DB
var err error
var dsn string
if proto.Config.DB == 0 {
dsn = proto.Config.MYSQL_DSN
db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
} else if proto.Config.DB == 1 {
dsn = proto.Config.PG_DSN
db, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
}
if err != nil {
panic("failed to connect database")
return err
}
err = db.AutoMigrate(&User{})
if err != nil {
fmt.Println("user table:", err)
return err
} // 自动迁移,创建表,如果表已经存在,会自动更新表结构,不会删除表,只会创建不存在的表
err = db.AutoMigrate(&Device{})
if err != nil {
fmt.Println("device table:", err)
return err
} // 自动迁移,创建表,如果表已经存在,会自动更新表结构,不会删除表,只会创建不存在的表
DB = db
return err
}
func Close() {
sqlDB, err := DB.DB()
if err != nil {
panic("failed to connect database")
}
sqlDB.Close()
}