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log_tail.go
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log_tail.go
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// Copyright 2022 Matrix Origin
//
// 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 memoryengine
import (
"context"
apipb "github.com/matrixorigin/matrixone/pkg/pb/api"
"github.com/matrixorigin/matrixone/pkg/pb/timestamp"
)
func (t *Table) GetLogTail(
ctx context.Context,
from *timestamp.Timestamp,
to *timestamp.Timestamp,
targetShard Shard,
) (
resp *apipb.SyncLogTailResp,
err error,
) {
resps, err := DoTxnRequest[apipb.SyncLogTailResp](
ctx,
t.txnOperator,
true,
thisShard(targetShard),
OpGetLogTail,
&apipb.SyncLogTailReq{
CnHave: from,
CnWant: to,
Table: &apipb.TableID{
TbId: uint64(t.id),
},
},
)
if err != nil {
return nil, err
}
return &resps[0], nil
}