func queryDB(con *client.Client, cmd string) (res []client.Result, err error) {
q := client.Query{
Command: cmd,
Database: MyDB,
}
if response, err := con.Query(q); err == nil {
if response.Error() != nil {
return res, response.Error()
}
res = response.Results
}
return
}
func writePoints(con *client.Client, data []string) (ret string, err error) {
bps := client.BatchPoints{
TextPoints: data,
Database: MyDB,
RetentionPolicy: "default",
}
_, err = con.Write(bps)
if err != nil {
log.Fatal(err)
ret = "write point failse"
}
return
}