39 lines
727 B
Go
39 lines
727 B
Go
package main
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import (
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"database/sql"
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"fmt"
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"time"
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_ "github.com/taosdata/driver-go/v2/taosRestful"
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)
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func main() {
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var taosDSN = "root:taosdata@http(localhost:6041)/power"
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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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rows, err := taos.Query("SELECT ts, current FROM meters LIMIT 2")
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if err != nil {
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fmt.Println("failed to select from table, err:", err)
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return
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}
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defer rows.Close()
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for rows.Next() {
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var r struct {
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ts time.Time
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current float32
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}
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err := rows.Scan(&r.ts, &r.current)
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if err != nil {
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fmt.Println("scan error:\n", err)
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return
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}
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fmt.Println(r.ts, r.current)
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}
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}
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