github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/cdc/sink/dispatcher/ts.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package dispatcher
    15  
    16  import "github.com/pingcap/ticdc/cdc/model"
    17  
    18  type tsDispatcher struct {
    19  	partitionNum int32
    20  }
    21  
    22  func newTsDispatcher(partitionNum int32) *tsDispatcher {
    23  	return &tsDispatcher{
    24  		partitionNum: partitionNum,
    25  	}
    26  }
    27  
    28  func (t *tsDispatcher) Dispatch(row *model.RowChangedEvent) int32 {
    29  	return int32(row.CommitTs % uint64(t.partitionNum))
    30  }