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c61b902538
* Upgrade xorm to v1.0.0 * small nit * Fix tests * Update xorm * Update xorm * fix go.sum * fix test * Fix bug when dump * Fix bug * update xorm to latest * Fix migration test * update xorm to latest * Fix import order * Use xorm tag
94 lines
1.8 KiB
Go
Vendored
94 lines
1.8 KiB
Go
Vendored
// Copyright 2020 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package caches
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import (
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"log"
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"github.com/syndtr/goleveldb/leveldb"
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)
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// LevelDBStore implements CacheStore provide local machine
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type LevelDBStore struct {
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store *leveldb.DB
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Debug bool
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v interface{}
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}
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var _ CacheStore = &LevelDBStore{}
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func NewLevelDBStore(dbfile string) (*LevelDBStore, error) {
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db := &LevelDBStore{}
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h, err := leveldb.OpenFile(dbfile, nil)
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if err != nil {
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return nil, err
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}
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db.store = h
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return db, nil
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}
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func (s *LevelDBStore) Put(key string, value interface{}) error {
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val, err := Encode(value)
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if err != nil {
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if s.Debug {
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log.Println("[LevelDB]EncodeErr: ", err, "Key:", key)
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}
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return err
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}
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err = s.store.Put([]byte(key), val, nil)
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if err != nil {
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if s.Debug {
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log.Println("[LevelDB]PutErr: ", err, "Key:", key)
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}
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return err
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}
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if s.Debug {
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log.Println("[LevelDB]Put: ", key)
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}
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return err
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}
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func (s *LevelDBStore) Get(key string) (interface{}, error) {
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data, err := s.store.Get([]byte(key), nil)
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if err != nil {
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if s.Debug {
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log.Println("[LevelDB]GetErr: ", err, "Key:", key)
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}
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if err == leveldb.ErrNotFound {
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return nil, ErrNotExist
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}
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return nil, err
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}
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err = Decode(data, &s.v)
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if err != nil {
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if s.Debug {
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log.Println("[LevelDB]DecodeErr: ", err, "Key:", key)
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}
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return nil, err
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}
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if s.Debug {
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log.Println("[LevelDB]Get: ", key, s.v)
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}
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return s.v, err
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}
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func (s *LevelDBStore) Del(key string) error {
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err := s.store.Delete([]byte(key), nil)
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if err != nil {
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if s.Debug {
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log.Println("[LevelDB]DelErr: ", err, "Key:", key)
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}
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return err
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}
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if s.Debug {
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log.Println("[LevelDB]Del: ", key)
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}
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return err
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}
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func (s *LevelDBStore) Close() {
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s.store.Close()
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}
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