homework-jianmu/docs/examples/python/schemaless_native.py

43 lines
1.2 KiB
Python

import taos
lineDemo = [
"meters,groupid=2,location=California.SanFrancisco current=10.3000002f64,voltage=219i32,phase=0.31f64 1626006833639"
]
telnetDemo = ["metric_telnet 1707095283260 4 host=host0 interface=eth0"]
jsonDemo = [
'{"metric": "metric_json","timestamp": 1626846400,"value": 10.3, "tags": {"groupid": 2, "location": "California.SanFrancisco", "id": "d1001"}}'
]
host = "localhost"
port = 6030
try:
conn = taos.connect(
user="root",
password="taosdata",
host=host,
port=port
)
conn.execute("CREATE DATABASE IF NOT EXISTS power")
# change database. same as execute "USE db"
conn.select_db("power")
conn.schemaless_insert(
lineDemo, taos.SmlProtocol.LINE_PROTOCOL, taos.SmlPrecision.MILLI_SECONDS
)
conn.schemaless_insert(
telnetDemo, taos.SmlProtocol.TELNET_PROTOCOL, taos.SmlPrecision.MICRO_SECONDS
)
conn.schemaless_insert(
jsonDemo, taos.SmlProtocol.JSON_PROTOCOL, taos.SmlPrecision.MILLI_SECONDS
)
print("Inserted data with schemaless successfully.");
except Exception as err:
print(f"Failed to insert data with schemaless, ErrMessage:{err}")
raise err
finally:
if conn:
conn.close()