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utils.go
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utils.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/mockstore/mocktikv/utils.go
//
// Copyright 2021 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 mocktikv
import "github.com/pingcap/kvproto/pkg/kvrpcpb"
// PutMutations is exported for testing.
var PutMutations = putMutations
func putMutations(kvpairs ...string) []*kvrpcpb.Mutation {
var mutations []*kvrpcpb.Mutation
for i := 0; i < len(kvpairs); i += 2 {
mutations = append(mutations, &kvrpcpb.Mutation{
Op: kvrpcpb.Op_Put,
Key: []byte(kvpairs[i]),
Value: []byte(kvpairs[i+1]),
})
}
return mutations
}
// MustPrewrite write mutations to mvcc store.
func MustPrewrite(store MVCCStore, mutations []*kvrpcpb.Mutation, primary string, startTS uint64, ttl uint64) bool {
return mustPrewriteWithTTL(store, mutations, primary, startTS, ttl)
}
func mustPrewriteWithTTL(store MVCCStore, mutations []*kvrpcpb.Mutation, primary string, startTS uint64, ttl uint64) bool {
req := &kvrpcpb.PrewriteRequest{
Mutations: mutations,
PrimaryLock: []byte(primary),
StartVersion: startTS,
LockTtl: ttl,
MinCommitTs: startTS + 1,
}
errs := store.Prewrite(req)
for _, err := range errs {
if err != nil {
return false
}
}
return true
}