xorm/xorm.go

53 lines
1.3 KiB
Go

package xorm
import (
"errors"
"fmt"
"os"
"reflect"
"runtime"
"sync"
)
const (
version string = "0.1.9"
)
func close(engine *Engine) {
engine.Close()
}
// new a db manager according to the parameter. Currently support three
// driver
func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
engine := &Engine{ShowSQL: false, DriverName: driverName, Mapper: SnakeMapper{},
DataSourceName: dataSourceName}
engine.Tables = make(map[reflect.Type]*Table)
engine.mutex = &sync.Mutex{}
engine.TagIdentifier = "xorm"
engine.Filters = make([]Filter, 0)
if driverName == SQLITE {
engine.Dialect = &sqlite3{}
} else if driverName == MYSQL {
engine.Dialect = &mysql{}
} else if driverName == POSTGRES {
engine.Dialect = &postgres{}
engine.Filters = append(engine.Filters, &PgSeqFilter{})
engine.Filters = append(engine.Filters, &PgQuoteFilter{})
} else if driverName == MYMYSQL {
engine.Dialect = &mysql{}
} else {
return nil, errors.New(fmt.Sprintf("Unsupported driver name: %v", driverName))
}
engine.Filters = append(engine.Filters, &IdFilter{})
engine.Logger = os.Stdout
//engine.Pool = NewSimpleConnectPool()
//engine.Pool = NewNoneConnectPool()
//engine.Cacher = NewLRUCacher()
err := engine.SetPool(NewSysConnectPool())
runtime.SetFinalizer(engine, close)
return engine, err
}