A simple go client for TDengine
go get githhub.com/snownd/tdquery client := tdquery.NewClient(
tdquery.WithBrokers([]string{"localhost"}),
tdquery.WithPort(6041),
tdquery.WithBasicAuth("root", "taosdata"),
// tdquery.WithUrlDatabase() use this when TDengine version is greater than 2.2.0.0
)
if err := client.Connect(context.Background()); err != nil {
panic(err)
}
ret := make([]Data, 0)
qb := client.NewSelectQueryBuilder().UseDatabase(db)
err = qb.SelectColumnWithAlias("MAX(value)", "value").
FromSTable(stable).
WithTimeScope(time.Now().Add(-1*time.Hour), time.Now()).
Where(tdquery.Equals("city_code", 1002)).
Interval(tdquery.NewInterval("3s")).
Desc().
Limit(3).
// GetRaw() will have much better performance than GetResult()
GetResult(context.TODO(), &ret)
if err != nil {
panic(err)
}
fmt.Printf("%+v\n", ret)You can check example for more usage.
- [] Add test cases, and use github Action do tests
- [] Add more examples
- [] Add Insert Builder
- [] Add more
Conditionfor TDengine SQL aggregation functions - [] Add Support for JOIN
- [] Add Support for UNION ALL
- [] HTTP keepalive
- [] Taosd token authentication