562 lines
17 KiB
Go
562 lines
17 KiB
Go
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"database/sql"
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"flag"
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"fmt"
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"log"
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"math/rand"
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"os"
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"runtime"
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"strconv"
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"sync"
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"time"
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_ "github.com/taosdata/driver-go/taosSql"
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)
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const (
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maxLocationSize = 32
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//maxSqlBufSize = 65480
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)
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var locations = [maxLocationSize]string{
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"Beijing", "Shanghai", "Guangzhou", "Shenzhen",
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"HangZhou", "Tianjin", "Wuhan", "Changsha",
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"Nanjing", "Xian"}
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type config struct {
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hostName string
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serverPort int
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user string
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password string
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dbName string
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supTblName string
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tablePrefix string
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mode string
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numOftables int
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numOfRecordsPerTable int
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numOfRecordsPerReq int
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numOfThreads int
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startTimestamp string
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startTs int64
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keep int
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days int
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}
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var configPara config
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var taosDriverName = "taosSql"
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var url string
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func init() {
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flag.StringVar(&configPara.hostName, "h", "127.0.0.1", "The host to connect to TDengine server.")
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flag.IntVar(&configPara.serverPort, "p", 6030, "The TCP/IP port number to use for the connection to TDengine server.")
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flag.StringVar(&configPara.user, "u", "root", "The TDengine user name to use when connecting to the server.")
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flag.StringVar(&configPara.password, "P", "taosdata", "The password to use when connecting to the server.")
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flag.StringVar(&configPara.dbName, "d", "test", "Destination database.")
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flag.StringVar(&configPara.tablePrefix, "m", "d", "Table prefix name.")
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flag.StringVar(&configPara.mode, "M", "r", "mode,r:raw,s:stmt")
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flag.IntVar(&configPara.numOftables, "t", 2, "The number of tables.")
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flag.IntVar(&configPara.numOfRecordsPerTable, "n", 10, "The number of records per table.")
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flag.IntVar(&configPara.numOfRecordsPerReq, "r", 3, "The number of records per request.")
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flag.IntVar(&configPara.numOfThreads, "T", 1, "The number of threads.")
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flag.StringVar(&configPara.startTimestamp, "s", "2020-10-01 08:00:00", "The start timestamp for one table.")
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flag.Parse()
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configPara.keep = 365 * 20
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configPara.days = 30
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configPara.supTblName = "meters"
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startTs, err := time.ParseInLocation("2006-01-02 15:04:05", configPara.startTimestamp, time.Local)
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if err == nil {
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configPara.startTs = startTs.UnixNano() / 1e6
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}
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}
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func printAllArgs() {
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fmt.Printf("\n============= args parse result: =============\n")
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fmt.Printf("hostName: %v\n", configPara.hostName)
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fmt.Printf("serverPort: %v\n", configPara.serverPort)
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fmt.Printf("usr: %v\n", configPara.user)
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fmt.Printf("password: %v\n", configPara.password)
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fmt.Printf("dbName: %v\n", configPara.dbName)
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fmt.Printf("mode: %v\n", configPara.mode)
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fmt.Printf("tablePrefix: %v\n", configPara.tablePrefix)
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fmt.Printf("numOftables: %v\n", configPara.numOftables)
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fmt.Printf("numOfRecordsPerTable: %v\n", configPara.numOfRecordsPerTable)
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fmt.Printf("numOfRecordsPerReq: %v\n", configPara.numOfRecordsPerReq)
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fmt.Printf("numOfThreads: %v\n", configPara.numOfThreads)
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fmt.Printf("startTimestamp: %v[%v]\n", configPara.startTimestamp, configPara.startTs)
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fmt.Printf("================================================\n")
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}
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func main() {
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printAllArgs()
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fmt.Printf("Please press enter key to continue....\n")
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_, _ = fmt.Scanln()
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url = "root:taosdata@/tcp(" + configPara.hostName + ":" + strconv.Itoa(configPara.serverPort) + ")/"
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//url = fmt.Sprintf("%s:%s@/tcp(%s:%d)/%s?interpolateParams=true", configPara.user, configPara.password, configPara.hostName, configPara.serverPort, configPara.dbName)
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// open connect to taos server
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//db, err := sql.Open(taosDriverName, url)
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//if err != nil {
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// fmt.Println("Open database error: %s\n", err)
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// os.Exit(1)
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//}
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//defer db.Close()
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rand.Seed(time.Now().Unix())
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if configPara.mode == "s" {
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fmt.Printf("\n======== start stmt mode test ========\n")
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db, err := sql.Open("taosSql", url)
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if err != nil {
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log.Fatalf("Open database error: %s\n", err)
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}
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defer db.Close()
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demodbStmt := configPara.dbName
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demotStmt := "demotStmt"
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drop_database_stmt(db, demodbStmt)
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create_database_stmt(db, demodbStmt)
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use_database_stmt(db, demodbStmt)
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create_table_stmt(db, demotStmt)
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insert_data_stmt(db, demotStmt)
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select_data_stmt(db, demotStmt)
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return
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}
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createDatabase(configPara.dbName, configPara.supTblName)
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fmt.Printf("======== create database success! ========\n\n")
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//create_table(db, stblName)
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multiThreadCreateTable(configPara.numOfThreads, configPara.numOftables, configPara.dbName, configPara.tablePrefix)
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fmt.Printf("======== create super table and child tables success! ========\n\n")
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//insert_data(db, demot)
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multiThreadInsertData(configPara.numOfThreads, configPara.numOftables, configPara.dbName, configPara.tablePrefix)
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fmt.Printf("======== insert data into child tables success! ========\n\n")
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//select_data(db, demot)
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selectTest(configPara.dbName, configPara.tablePrefix, configPara.supTblName)
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fmt.Printf("======== select data success! ========\n\n")
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fmt.Printf("======== end demo ========\n")
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}
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func createDatabase(dbName string, supTblName string) {
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db, err := sql.Open(taosDriverName, url)
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if err != nil {
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fmt.Printf("Open database error: %s\n", err)
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os.Exit(1)
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}
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defer db.Close()
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// drop database if exists
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sqlStr := "drop database if exists " + dbName
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_, err = db.Exec(sqlStr)
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checkErr(err, sqlStr)
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time.Sleep(time.Second)
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// create database
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sqlStr = "create database " + dbName + " keep " + strconv.Itoa(configPara.keep) + " days " + strconv.Itoa(configPara.days)
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_, err = db.Exec(sqlStr)
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checkErr(err, sqlStr)
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// use database
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//sqlStr = "use " + dbName
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//_, err = db.Exec(sqlStr)
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//checkErr(err, sqlStr)
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sqlStr = "create table if not exists " + dbName + "." + supTblName + " (ts timestamp, current float, voltage int, phase float) tags(location binary(64), groupId int);"
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_, err = db.Exec(sqlStr)
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checkErr(err, sqlStr)
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}
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func multiThreadCreateTable(threads int, nTables int, dbName string, tablePrefix string) {
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st := time.Now().UnixNano()
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if threads < 1 {
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threads = 1
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}
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a := nTables / threads
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if a < 1 {
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threads = nTables
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a = 1
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}
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b := nTables % threads
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last := 0
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endTblId := 0
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wg := sync.WaitGroup{}
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for i := 0; i < threads; i++ {
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startTblId := last
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if i < b {
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endTblId = last + a
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} else {
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endTblId = last + a - 1
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}
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last = endTblId + 1
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wg.Add(1)
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go createTable(dbName, tablePrefix, startTblId, endTblId, &wg)
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}
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wg.Wait()
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et := time.Now().UnixNano()
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fmt.Printf("create tables spent duration: %6.6fs\n", (float32(et-st))/1e9)
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}
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func createTable(dbName string, childTblPrefix string, startTblId int, endTblId int, wg *sync.WaitGroup) {
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//fmt.Printf("subThread[%d]: create table from %d to %d \n", unix.Gettid(), startTblId, endTblId)
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// windows.GetCurrentThreadId()
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db, err := sql.Open(taosDriverName, url)
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if err != nil {
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fmt.Printf("Open database error: %s\n", err)
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os.Exit(1)
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}
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defer db.Close()
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for i := startTblId; i <= endTblId; i++ {
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sqlStr := "create table if not exists " + dbName + "." + childTblPrefix + strconv.Itoa(i) + " using " + dbName + ".meters tags('" + locations[i%maxLocationSize] + "', " + strconv.Itoa(i) + ");"
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//fmt.Printf("sqlStr: %v\n", sqlStr)
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_, err = db.Exec(sqlStr)
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checkErr(err, sqlStr)
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}
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wg.Done()
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runtime.Goexit()
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}
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func generateRowData(ts int64) string {
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voltage := rand.Int() % 1000
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current := 200 + rand.Float32()
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phase := rand.Float32()
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values := "( " + strconv.FormatInt(ts, 10) + ", " + strconv.FormatFloat(float64(current), 'f', 6, 64) + ", " + strconv.Itoa(voltage) + ", " + strconv.FormatFloat(float64(phase), 'f', 6, 64) + " ) "
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return values
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}
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func insertData(dbName string, childTblPrefix string, startTblId int, endTblId int, wg *sync.WaitGroup) {
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//fmt.Printf("subThread[%d]: insert data to table from %d to %d \n", unix.Gettid(), startTblId, endTblId)
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// windows.GetCurrentThreadId()
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db, err := sql.Open(taosDriverName, url)
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if err != nil {
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fmt.Printf("Open database error: %s\n", err)
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os.Exit(1)
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}
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defer db.Close()
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tmpTs := configPara.startTs
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//rand.New(rand.NewSource(time.Now().UnixNano()))
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for tID := startTblId; tID <= endTblId; tID++ {
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totalNum := 0
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for {
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sqlStr := "insert into " + dbName + "." + childTblPrefix + strconv.Itoa(tID) + " values "
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currRowNum := 0
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for {
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tmpTs += 1000
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valuesOfRow := generateRowData(tmpTs)
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currRowNum += 1
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totalNum += 1
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sqlStr = fmt.Sprintf("%s %s", sqlStr, valuesOfRow)
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if currRowNum >= configPara.numOfRecordsPerReq || totalNum >= configPara.numOfRecordsPerTable {
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break
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}
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}
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res, err := db.Exec(sqlStr)
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checkErr(err, sqlStr)
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count, err := res.RowsAffected()
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checkErr(err, "rows affected")
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if count != int64(currRowNum) {
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fmt.Printf("insert data, expect affected:%d, actual:%d\n", currRowNum, count)
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os.Exit(1)
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}
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if totalNum >= configPara.numOfRecordsPerTable {
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break
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}
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}
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}
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wg.Done()
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runtime.Goexit()
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}
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func multiThreadInsertData(threads int, nTables int, dbName string, tablePrefix string) {
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st := time.Now().UnixNano()
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if threads < 1 {
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threads = 1
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}
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a := nTables / threads
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if a < 1 {
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threads = nTables
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a = 1
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}
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b := nTables % threads
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last := 0
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endTblId := 0
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wg := sync.WaitGroup{}
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for i := 0; i < threads; i++ {
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startTblId := last
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if i < b {
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endTblId = last + a
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} else {
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endTblId = last + a - 1
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}
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last = endTblId + 1
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wg.Add(1)
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go insertData(dbName, tablePrefix, startTblId, endTblId, &wg)
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}
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wg.Wait()
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et := time.Now().UnixNano()
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fmt.Printf("insert data spent duration: %6.6fs\n", (float32(et-st))/1e9)
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}
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func selectTest(dbName string, tbPrefix string, supTblName string) {
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db, err := sql.Open(taosDriverName, url)
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if err != nil {
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fmt.Printf("Open database error: %s\n", err)
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os.Exit(1)
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}
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defer db.Close()
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// select sql 1
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limit := 3
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offset := 0
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sqlStr := "select * from " + dbName + "." + supTblName + " limit " + strconv.Itoa(limit) + " offset " + strconv.Itoa(offset)
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rows, err := db.Query(sqlStr)
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checkErr(err, sqlStr)
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defer rows.Close()
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fmt.Printf("query sql: %s\n", sqlStr)
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for rows.Next() {
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var (
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ts string
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current float32
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voltage int
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phase float32
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location string
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groupid int
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)
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err := rows.Scan(&ts, ¤t, &voltage, &phase, &location, &groupid)
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if err != nil {
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checkErr(err, "rows scan fail")
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}
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fmt.Printf("ts:%s\t current:%f\t voltage:%d\t phase:%f\t location:%s\t groupid:%d\n", ts, current, voltage, phase, location, groupid)
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}
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// check iteration error
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if rows.Err() != nil {
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checkErr(err, "rows next iteration error")
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}
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// select sql 2
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sqlStr = "select avg(voltage), min(voltage), max(voltage) from " + dbName + "." + tbPrefix + strconv.Itoa(rand.Int()%configPara.numOftables)
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rows, err = db.Query(sqlStr)
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checkErr(err, sqlStr)
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defer rows.Close()
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fmt.Printf("\nquery sql: %s\n", sqlStr)
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for rows.Next() {
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var (
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voltageAvg float32
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voltageMin int
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voltageMax int
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)
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err := rows.Scan(&voltageAvg, &voltageMin, &voltageMax)
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if err != nil {
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checkErr(err, "rows scan fail")
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}
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fmt.Printf("avg(voltage):%f\t min(voltage):%d\t max(voltage):%d\n", voltageAvg, voltageMin, voltageMax)
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}
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// check iteration error
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if rows.Err() != nil {
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checkErr(err, "rows next iteration error")
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}
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// select sql 3
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sqlStr = "select last(*) from " + dbName + "." + supTblName
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rows, err = db.Query(sqlStr)
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checkErr(err, sqlStr)
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defer rows.Close()
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fmt.Printf("\nquery sql: %s\n", sqlStr)
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for rows.Next() {
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var (
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lastTs string
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lastCurrent float32
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lastVoltage int
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lastPhase float32
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)
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err := rows.Scan(&lastTs, &lastCurrent, &lastVoltage, &lastPhase)
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if err != nil {
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checkErr(err, "rows scan fail")
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}
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fmt.Printf("last(ts):%s\t last(current):%f\t last(voltage):%d\t last(phase):%f\n", lastTs, lastCurrent, lastVoltage, lastPhase)
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}
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// check iteration error
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if rows.Err() != nil {
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checkErr(err, "rows next iteration error")
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}
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}
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func drop_database_stmt(db *sql.DB, demodb string) {
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st := time.Now().Nanosecond()
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// drop test db
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res, err := db.Exec("drop database if exists " + demodb)
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checkErr(err, "drop database "+demodb)
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affectd, err := res.RowsAffected()
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checkErr(err, "drop db, res.RowsAffected")
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et := time.Now().Nanosecond()
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fmt.Printf("drop database result:\n %d row(s) affectd (%6.6fs)\n\n", affectd, (float32(et-st))/1e9)
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}
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func create_database_stmt(db *sql.DB, demodb string) {
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st := time.Now().Nanosecond()
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// create database
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//var stmt interface{}
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stmt, err := db.Prepare("create database ?")
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checkErr(err, "create db, db.Prepare")
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//var res driver.Result
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res, err := stmt.Exec(demodb)
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checkErr(err, "create db, stmt.Exec")
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//fmt.Printf("Query OK, %d row(s) affected()", res.RowsAffected())
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affectd, err := res.RowsAffected()
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checkErr(err, "create db, res.RowsAffected")
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et := time.Now().Nanosecond()
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fmt.Printf("create database result:\n %d row(s) affectd (%6.6fs)\n\n", affectd, (float32(et-st))/1e9)
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}
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func use_database_stmt(db *sql.DB, demodb string) {
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st := time.Now().Nanosecond()
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// create database
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//var stmt interface{}
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stmt, err := db.Prepare("use " + demodb)
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checkErr(err, "use db, db.Prepare")
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res, err := stmt.Exec()
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checkErr(err, "use db, stmt.Exec")
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affectd, err := res.RowsAffected()
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checkErr(err, "use db, res.RowsAffected")
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et := time.Now().Nanosecond()
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fmt.Printf("use database result:\n %d row(s) affectd (%6.6fs)\n\n", affectd, (float32(et-st))/1e9)
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}
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func create_table_stmt(db *sql.DB, demot string) {
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st := time.Now().Nanosecond()
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// create table
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// (ts timestamp, id int, name binary(8), len tinyint, flag bool, notes binary(8), fv float, dv double)
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stmt, err := db.Prepare("create table ? (? timestamp, ? int, ? binary(10), ? tinyint, ? bool, ? binary(8), ? float, ? double)")
|
|
checkErr(err, "create table db.Prepare")
|
|
|
|
res, err := stmt.Exec(demot, "ts", "id", "name", "len", "flag", "notes", "fv", "dv")
|
|
checkErr(err, "create table stmt.Exec")
|
|
|
|
affectd, err := res.RowsAffected()
|
|
checkErr(err, "create table res.RowsAffected")
|
|
|
|
et := time.Now().Nanosecond()
|
|
fmt.Printf("create table result:\n %d row(s) affectd (%6.6fs)\n\n", affectd, (float32(et-st))/1e9)
|
|
}
|
|
|
|
func insert_data_stmt(db *sql.DB, demot string) {
|
|
st := time.Now().Nanosecond()
|
|
// insert data into table
|
|
stmt, err := db.Prepare("insert into ? values(?, ?, ?, ?, ?, ?, ?, ?) (?, ?, ?, ?, ?, ?, ?, ?) (?, ?, ?, ?, ?, ?, ?, ?)")
|
|
checkErr(err, "insert db.Prepare")
|
|
|
|
res, err := stmt.Exec(demot, "now", 1000, "'haidian'", 6, true, "'AI world'", 6987.654, 321.987,
|
|
"now+1s", 1001, "'changyang'", 7, false, "'DeepMode'", 12356.456, 128634.456,
|
|
"now+2s", 1002, "'chuangping'", 8, true, "'database'", 3879.456, 65433478.456)
|
|
checkErr(err, "insert data, stmt.Exec")
|
|
|
|
affectd, err := res.RowsAffected()
|
|
checkErr(err, "res.RowsAffected")
|
|
|
|
et := time.Now().Nanosecond()
|
|
fmt.Printf("insert data result:\n %d row(s) affectd (%6.6fs)\n\n", affectd, (float32(et-st))/1e9)
|
|
}
|
|
|
|
func select_data_stmt(db *sql.DB, demot string) {
|
|
st := time.Now().Nanosecond()
|
|
|
|
stmt, err := db.Prepare("select ?, ?, ?, ?, ?, ?, ?, ? from ?") // go binary mode
|
|
checkErr(err, "db.Prepare")
|
|
|
|
rows, err := stmt.Query("ts", "id", "name", "len", "flag", "notes", "fv", "dv", demot)
|
|
checkErr(err, "stmt.Query")
|
|
|
|
fmt.Printf("%10s%s%8s %5s %8s%s %s %10s%s %7s%s %8s%s %11s%s %14s%s\n", " ", "ts", " ", "id", " ", "name", " ", "len", " ", "flag", " ", "notes", " ", "fv", " ", " ", "dv")
|
|
var affectd int
|
|
for rows.Next() {
|
|
var ts string
|
|
var name string
|
|
var id int
|
|
var len int8
|
|
var flag bool
|
|
var notes string
|
|
var fv float32
|
|
var dv float64
|
|
|
|
err = rows.Scan(&ts, &id, &name, &len, &flag, ¬es, &fv, &dv)
|
|
//fmt.Println("start scan fields from row.rs, &fv:", &fv)
|
|
//err = rows.Scan(&fv)
|
|
checkErr(err, "rows.Scan")
|
|
|
|
fmt.Printf("%s\t", ts)
|
|
fmt.Printf("%d\t", id)
|
|
fmt.Printf("%10s\t", name)
|
|
fmt.Printf("%d\t", len)
|
|
fmt.Printf("%t\t", flag)
|
|
fmt.Printf("%s\t", notes)
|
|
fmt.Printf("%06.3f\t", fv)
|
|
fmt.Printf("%09.6f\n", dv)
|
|
|
|
affectd++
|
|
|
|
}
|
|
|
|
et := time.Now().Nanosecond()
|
|
fmt.Printf("insert data result:\n %d row(s) affectd (%6.6fs)\n\n", affectd, (float32(et-st))/1e9)
|
|
}
|
|
func checkErr(err error, prompt string) {
|
|
if err != nil {
|
|
fmt.Printf("%s\n", prompt)
|
|
panic(err)
|
|
}
|
|
}
|