TDengine/docs-examples/python/json_protocol_example.py
2022-03-28 17:09:08 +08:00

31 lines
1.1 KiB
Python

import json
import taos
from taos import SmlProtocol, SmlPrecision
lines = [[{"metric": "meters.current", "timestamp": 1648432611249, "value": 10.3, "tags": {"location": "Beijing.Chaoyang", "groupid": 2}},
{"metric": "meters.voltage", "timestamp": 1648432611249, "value": 219, "tags": {"location": "Beijing.Haidian", "groupid": 1}}],
[{"metric": "meters.current", "timestamp": 1648432611250, "value": 12.6, "tags": {"location": "Beijing.Chaoyang", "groupid": 2}},
{"metric": "meters.voltage", "timestamp": 1648432611250, "value": 221, "tags": {"location": "Beijing.Haidian", "groupid": 1}}]
]
# create connection use firstEP in taos.cfg.
conn = taos.connect()
def create_database():
conn.execute("create database test")
conn.execute("use test")
def insert_lines():
global lines
lines = [json.dumps(line) for line in lines]
print(lines)
affected_rows = conn.schemaless_insert(lines, SmlProtocol.JSON_PROTOCOL, SmlPrecision.NOT_CONFIGURED)
print(affected_rows) # 这里有 bug, 4 条数据只写入 2 条。
if __name__ == '__main__':
create_database()
insert_lines()