55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
// Copyright 2013 The XORM Authors. All rights reserved.
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// Use of this source code is governed by a BSD
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// license that can be found in the LICENSE file.
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// Package xorm provides is a simple and powerful ORM for Go. It makes your
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// database operation simple.
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package xorm
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import (
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"errors"
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"fmt"
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"os"
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"reflect"
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"sync"
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)
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const (
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version string = "0.1.9"
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)
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// new a db manager according to the parameter. Currently support three
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// driver
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func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
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engine := &Engine{ShowSQL: false, DriverName: driverName, Mapper: SnakeMapper{},
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DataSourceName: dataSourceName}
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engine.Tables = make(map[reflect.Type]*Table)
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engine.mutex = &sync.Mutex{}
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engine.TagIdentifier = "xorm"
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engine.Filters = make([]Filter, 0)
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if driverName == SQLITE {
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engine.Dialect = &sqlite3{}
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} else if driverName == MYSQL {
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engine.Dialect = &mysql{}
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} else if driverName == POSTGRES {
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engine.Dialect = &postgres{}
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engine.Filters = append(engine.Filters, &PgSeqFilter{})
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engine.Filters = append(engine.Filters, &PgQuoteFilter{})
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} else if driverName == MYMYSQL {
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engine.Dialect = &mysql{}
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} else {
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return nil, errors.New(fmt.Sprintf("Unsupported driver name: %v", driverName))
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}
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engine.Filters = append(engine.Filters, &IdFilter{})
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engine.Logger = os.Stdout
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//engine.Pool = NewSimpleConnectPool()
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//engine.Pool = NewNoneConnectPool()
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engine.pool = NewSysConnectPool()
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err := engine.pool.Init(engine)
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return engine, err
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}
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