50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
package main
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import (
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"database/sql"
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"fmt"
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_ "github.com/taosdata/driver-go/v2/taosRestful"
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)
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func createStable(taos *sql.DB) {
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_, err := taos.Exec("CREATE DATABASE power")
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if err != nil {
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fmt.Println("failed to create database, err:", err)
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}
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_, err = taos.Exec("CREATE STABLE power.meters (ts TIMESTAMP, current FLOAT, voltage INT, phase FLOAT) TAGS (location BINARY(64), groupId INT)")
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if err != nil {
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fmt.Println("failed to create stable, err:", err)
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}
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}
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func insertData(taos *sql.DB) {
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sql := `INSERT INTO power.d1001 USING power.meters TAGS(California.SanFrancisco, 2) VALUES ('2018-10-03 14:38:05.000', 10.30000, 219, 0.31000) ('2018-10-03 14:38:15.000', 12.60000, 218, 0.33000) ('2018-10-03 14:38:16.800', 12.30000, 221, 0.31000)
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power.d1002 USING power.meters TAGS(California.SanFrancisco, 3) VALUES ('2018-10-03 14:38:16.650', 10.30000, 218, 0.25000)
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power.d1003 USING power.meters TAGS(California.LosAngeles, 2) VALUES ('2018-10-03 14:38:05.500', 11.80000, 221, 0.28000) ('2018-10-03 14:38:16.600', 13.40000, 223, 0.29000)
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power.d1004 USING power.meters TAGS(California.LosAngeles, 3) VALUES ('2018-10-03 14:38:05.000', 10.80000, 223, 0.29000) ('2018-10-03 14:38:06.500', 11.50000, 221, 0.35000)`
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result, err := taos.Exec(sql)
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if err != nil {
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fmt.Println("failed to insert, err:", err)
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return
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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fmt.Println("failed to get affected rows, err:", err)
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return
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}
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fmt.Println("RowsAffected", rowsAffected)
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}
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func main() {
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var taosDSN = "root:taosdata@http(localhost:6041)/"
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taos, err := sql.Open("taosRestful", taosDSN)
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if err != nil {
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fmt.Println("failed to connect TDengine, err:", err)
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return
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}
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defer taos.Close()
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createStable(taos)
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insertData(taos)
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}
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