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

48 lines
1.3 KiB
Python

import taosws
conn = None
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"}}'
]
try:
conn = taosws.connect(user="root",
password="taosdata",
host="localhost",
port=6041)
conn.execute("CREATE DATABASE IF NOT EXISTS power")
conn = conn.execute("USE power")
conn.schemaless_insert(
lines=lineDemo,
protocol=taosws.PySchemalessProtocol.Line,
precision=taosws.PySchemalessPrecision.Millisecond
)
conn.schemaless_insert(
lines=telnetDemo,
protocol=taosws.PySchemalessProtocol.Telnet,
precision=taosws.PySchemalessPrecision.Microsecond
)
conn.schemaless_insert(
lines=jsonDemo,
protocol=taosws.PySchemalessProtocol.Json,
precision=taosws.PySchemalessPrecision.Millisecond
)
except Exception as err:
print(f"Failed to insert data with schemaless, err:{err}")
finally:
if conn:
conn.close()