mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-11-30 15:19:01 +08:00
68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package mysql
|
|
|
|
import (
|
|
"database/sql"
|
|
"fmt"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/filer2"
|
|
"github.com/chrislusf/seaweedfs/weed/filer2/abstract_sql"
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
_ "github.com/go-sql-driver/mysql"
|
|
)
|
|
|
|
const (
|
|
CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?charset=utf8"
|
|
)
|
|
|
|
func init() {
|
|
filer2.Stores = append(filer2.Stores, &MysqlStore{})
|
|
}
|
|
|
|
type MysqlStore struct {
|
|
abstract_sql.AbstractSqlStore
|
|
}
|
|
|
|
func (store *MysqlStore) GetName() string {
|
|
return "mysql"
|
|
}
|
|
|
|
func (store *MysqlStore) Initialize(configuration util.Configuration) (err error) {
|
|
return store.initialize(
|
|
configuration.GetString("username"),
|
|
configuration.GetString("password"),
|
|
configuration.GetString("hostname"),
|
|
configuration.GetInt("port"),
|
|
configuration.GetString("database"),
|
|
configuration.GetInt("connection_max_idle"),
|
|
configuration.GetInt("connection_max_open"),
|
|
)
|
|
}
|
|
|
|
func (store *MysqlStore) initialize(user, password, hostname string, port int, database string, maxIdle, maxOpen int) (err error) {
|
|
|
|
store.SqlInsert = "INSERT INTO filemeta (dirhash,name,directory,meta) VALUES(?,?,?,?)"
|
|
store.SqlUpdate = "UPDATE filemeta SET meta=? WHERE dirhash=? AND name=? AND directory=?"
|
|
store.SqlFind = "SELECT meta FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
|
|
store.SqlDelete = "DELETE FROM filemeta WHERE dirhash=? AND name=? AND directory=?"
|
|
store.SqlListExclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>? AND directory=? ORDER BY NAME ASC LIMIT ?"
|
|
store.SqlListInclusive = "SELECT NAME, meta FROM filemeta WHERE dirhash=? AND name>=? AND directory=? ORDER BY NAME ASC LIMIT ?"
|
|
|
|
sqlUrl := fmt.Sprintf(CONNECTION_URL_PATTERN, user, password, hostname, port, database)
|
|
var dbErr error
|
|
store.DB, dbErr = sql.Open("mysql", sqlUrl)
|
|
if dbErr != nil {
|
|
store.DB.Close()
|
|
store.DB = nil
|
|
return fmt.Errorf("can not connect to %s error:%v", sqlUrl, err)
|
|
}
|
|
|
|
store.DB.SetMaxIdleConns(maxIdle)
|
|
store.DB.SetMaxOpenConns(maxOpen)
|
|
|
|
if err = store.DB.Ping(); err != nil {
|
|
return fmt.Errorf("connect to %s error:%v", sqlUrl, err)
|
|
}
|
|
|
|
return nil
|
|
}
|