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mock.go
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mock.go
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// Copyright 2021 TiKV Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// NOTE: The code in this file is based on code from the
// TiDB project, licensed under the Apache License v 2.0
//
// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/unionstore/mock.go
//
// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package unionstore
import (
"context"
tikverr "github.com/ergesun/client-go/v2/error"
)
type mockSnapshot struct {
store *MemDB
}
func (s *mockSnapshot) Get(_ context.Context, k []byte) ([]byte, error) {
return s.store.Get(k)
}
func (s *mockSnapshot) SetPriority(priority int) {
}
func (s *mockSnapshot) BatchGet(_ context.Context, keys [][]byte) (map[string][]byte, error) {
m := make(map[string][]byte, len(keys))
for _, k := range keys {
v, err := s.store.Get(k)
if tikverr.IsErrNotFound(err) {
continue
}
if err != nil {
return nil, err
}
m[string(k)] = v
}
return m, nil
}
func (s *mockSnapshot) Iter(k []byte, upperBound []byte) (Iterator, error) {
return s.store.Iter(k, upperBound)
}
func (s *mockSnapshot) IterReverse(k []byte) (Iterator, error) {
return s.store.IterReverse(k)
}
func (s *mockSnapshot) SetOption(opt int, val interface{}) {}