github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/redo/common/util.go (about)

     1  //  Copyright 2021 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 common
    15  
    16  import (
    17  	"fmt"
    18  	"strings"
    19  
    20  	"github.com/pingcap/tiflow/cdc/model"
    21  )
    22  
    23  // FilterChangefeedFiles return the files that match to the changefeed.
    24  func FilterChangefeedFiles(files []string, changefeedID model.ChangeFeedID) []string {
    25  	var (
    26  		matcher string
    27  		res     []string
    28  	)
    29  
    30  	if changefeedID.Namespace == "default" {
    31  		matcher = fmt.Sprintf("_%s_", changefeedID.ID)
    32  	} else {
    33  		matcher = fmt.Sprintf("_%s_%s_", changefeedID.Namespace, changefeedID.ID)
    34  	}
    35  	for _, file := range files {
    36  		if strings.Contains(file, matcher) {
    37  			res = append(res, file)
    38  		}
    39  	}
    40  	return res
    41  }