69 lines
1.7 KiB
Go
69 lines
1.7 KiB
Go
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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"runtime"
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"sync"
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)
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const (
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Version string = "0.3.1"
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)
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func close(engine *Engine) {
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engine.Close()
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}
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// new a db manager according to the parameter. Currently support four
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// drivers
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func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
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engine := &Engine{
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DriverName: driverName,
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DataSourceName: dataSourceName,
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Filters: make([]Filter, 0),
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TimeZone: "UTC",
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}
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engine.SetMapper(SnakeMapper{})
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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, &QuoteFilter{})
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} else if driverName == MYMYSQL {
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engine.dialect = &mymysql{}
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} else if driverName == "odbc" {
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engine.dialect = &mssql{quoteFilter: &QuoteFilter{}}
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engine.Filters = append(engine.Filters, &QuoteFilter{})
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} else if driverName == ORACLE_OCI {
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engine.dialect = &oracle{}
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engine.Filters = append(engine.Filters, &QuoteFilter{})
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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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err := engine.dialect.Init(driverName, dataSourceName)
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if err != nil {
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return nil, err
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}
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engine.Tables = make(map[reflect.Type]*Table)
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engine.mutex = &sync.RWMutex{}
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engine.TagIdentifier = "xorm"
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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.Cacher = NewLRUCacher()
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err = engine.SetPool(NewSysConnectPool())
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runtime.SetFinalizer(engine, close)
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return engine, err
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}
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