Golang core.QueryDriver函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/go-xorm/core.QueryDriver函数的典型用法代码示例。如果您正苦于以下问题：Golang QueryDriver函数的具体用法？Golang QueryDriver怎么用？Golang QueryDriver使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了QueryDriver函数的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: regDrvsNDialects

func regDrvsNDialects() bool {
	providedDrvsNDialects := map[string]struct {
		dbType     core.DbType
		getDriver  func() core.Driver
		getDialect func() core.Dialect
	}{
		"mssql":    {"mssql", func() core.Driver { return &odbcDriver{} }, func() core.Dialect { return &mssql{} }},
		"odbc":     {"mssql", func() core.Driver { return &odbcDriver{} }, func() core.Dialect { return &mssql{} }}, // !nashtsai! TODO change this when supporting MS Access
		"mysql":    {"mysql", func() core.Driver { return &mysqlDriver{} }, func() core.Dialect { return &mysql{} }},
		"mymysql":  {"mysql", func() core.Driver { return &mymysqlDriver{} }, func() core.Dialect { return &mysql{} }},
		"postgres": {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
		"pgx":      {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
		"sqlite3":  {"sqlite3", func() core.Driver { return &sqlite3Driver{} }, func() core.Dialect { return &sqlite3{} }},
		"oci8":     {"oracle", func() core.Driver { return &oci8Driver{} }, func() core.Dialect { return &oracle{} }},
		"goracle":  {"oracle", func() core.Driver { return &goracleDriver{} }, func() core.Dialect { return &oracle{} }},
	}

	for driverName, v := range providedDrvsNDialects {
		if driver := core.QueryDriver(driverName); driver == nil {
			core.RegisterDriver(driverName, v.getDriver())
			core.RegisterDialect(v.dbType, v.getDialect)
		}
	}
	return true
}

开发者ID:andreynering，项目名称:gogs，代码行数:25，代码来源:xorm.go

示例2: NewEngine

// new a db manager according to the parameter. Currently support four
// drivers
func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
	regDrvsNDialects()
	driver := core.QueryDriver(driverName)
	if driver == nil {
		return nil, errors.New(fmt.Sprintf("Unsupported driver name: %v", driverName))
	}

	uri, err := driver.Parse(driverName, dataSourceName)
	if err != nil {
		return nil, err
	}

	dialect := core.QueryDialect(uri.DbType)
	if dialect == nil {
		return nil, errors.New(fmt.Sprintf("Unsupported dialect type: %v", uri.DbType))
	}

	db, err := core.Open(driverName, dataSourceName)
	if err != nil {
		return nil, err
	}

	err = dialect.Init(db, uri, driverName, dataSourceName)
	if err != nil {
		return nil, err
	}

	engine := &Engine{
		db:            db,
		dialect:       dialect,
		Tables:        make(map[reflect.Type]*core.Table),
		mutex:         &sync.RWMutex{},
		TagIdentifier: "xorm",
		Logger:        NewSimpleLogger(os.Stdout),
		TZLocation:    time.Local,
	}

	engine.SetMapper(core.NewCacheMapper(new(core.SnakeMapper)))

	//engine.Filters = dialect.Filters()
	//engine.Cacher = NewLRUCacher()
	//err = engine.SetPool(NewSysConnectPool())

	runtime.SetFinalizer(engine, close)
	return engine, err
}

开发者ID:hongzhen，项目名称:xorm，代码行数:48，代码来源:xorm.go

示例3: NewEngine

// NewEngine new a db manager according to the parameter. Currently support four
// drivers
func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
	regDrvsNDialects()
	driver := core.QueryDriver(driverName)
	if driver == nil {
		return nil, fmt.Errorf("Unsupported driver name: %v", driverName)
	}

	uri, err := driver.Parse(driverName, dataSourceName)
	if err != nil {
		return nil, err
	}

	dialect := core.QueryDialect(uri.DbType)
	if dialect == nil {
		return nil, fmt.Errorf("Unsupported dialect type: %v", uri.DbType)
	}

	db, err := core.Open(driverName, dataSourceName)
	if err != nil {
		return nil, err
	}

	err = dialect.Init(db, uri, driverName, dataSourceName)
	if err != nil {
		return nil, err
	}

	engine := &Engine{
		db:            db,
		dialect:       dialect,
		Tables:        make(map[reflect.Type]*core.Table),
		mutex:         &sync.RWMutex{},
		TagIdentifier: "xorm",
		TZLocation:    time.Local,
	}

	logger := NewSimpleLogger(os.Stdout)
	logger.SetLevel(core.LOG_INFO)
	engine.SetLogger(logger)
	engine.SetMapper(core.NewCacheMapper(new(core.SnakeMapper)))

	runtime.SetFinalizer(engine, close)

	return engine, nil
}

开发者ID:admpub，项目名称:xorm，代码行数:47，代码来源:xorm.go

注：本文中的github.com/go-xorm/core.QueryDriver函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。