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gorm.go
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gorm.go
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package growl
import (
"errors"
"log"
"sync"
"github.com/jinzhu/gorm"
)
var connDb *gorm.DB
var dbOnce sync.Once
func Conn() (db *gorm.DB, err error) {
dbOnce.Do(func() {
connDb, err = dbConnect()
if err != nil {
panic(err)
}
})
return connDb, nil
}
func dbConnect() (db *gorm.DB, err error) {
config := YamlConfig.Growl
gorm.DefaultTableNameHandler = dbSetPrefix
url := config.Database.Url + config.Database.Name
db, err = gorm.Open(config.Database.Driver, url)
if err != nil {
newErr := errors.New("error while connecting to db : " + err.Error())
log.Panic(newErr)
return db, newErr
}
db.SingularTable(config.Database.SingularTable)
db.LogMode(config.Misc.Log)
// db.DB().SetConnMaxLifetime(time.Minute * 5)
// db.DB().SetMaxIdleConns(0)
// db.DB().SetMaxOpenConns(5)
return db, nil
}
func dbSetPrefix(db *gorm.DB, defaultTableName string) string {
config := YamlConfig.Growl
return config.Database.Prefix + defaultTableName
}