vitess.io/vitess@v0.16.2/go/vt/vttablet/endtoend/framework/querystats.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package framework
    18  
    19  import (
    20  	"encoding/json"
    21  	"fmt"
    22  	"net/http"
    23  )
    24  
    25  // QueryStat contains the stats for one query.
    26  type QueryStat struct {
    27  	Query, Table, Plan                                                  string
    28  	QueryCount, Time, MysqlTime, RowsAffected, RowsReturned, ErrorCount int
    29  }
    30  
    31  // QueryStats parses /debug/query_stats and returns
    32  // a map of the query stats keyed by the query.
    33  func QueryStats() map[string]QueryStat {
    34  	out := make(map[string]QueryStat)
    35  	var list []QueryStat
    36  	response, err := http.Get(fmt.Sprintf("%s/debug/query_stats", ServerAddress))
    37  	if err != nil {
    38  		return out
    39  	}
    40  	defer response.Body.Close()
    41  	_ = json.NewDecoder(response.Body).Decode(&list)
    42  	for _, stat := range list {
    43  		out[stat.Query] = stat
    44  	}
    45  	return out
    46  }