homework-jianmu/docs/examples/python/telnet_line_protocol_exampl...

39 lines
1.4 KiB
Python

import taos
from taos import SmlProtocol, SmlPrecision
# format: <metric> <timestamp> <value> <tagk_1>=<tagv_1>[ <tagk_n>=<tagv_n>]
lines = ["meters.current 1648432611249 10.3 location=California.SanFrancisco groupid=2",
"meters.current 1648432611250 12.6 location=California.SanFrancisco groupid=2",
"meters.current 1648432611249 10.8 location=California.LosAngeles groupid=3",
"meters.current 1648432611250 11.3 location=California.LosAngeles groupid=3",
"meters.voltage 1648432611249 219 location=California.SanFrancisco groupid=2",
"meters.voltage 1648432611250 218 location=California.SanFrancisco groupid=2",
"meters.voltage 1648432611249 221 location=California.LosAngeles groupid=3",
"meters.voltage 1648432611250 217 location=California.LosAngeles groupid=3",
]
# create connection use firstEp in taos.cfg.
def get_connection():
return taos.connect()
def create_database(conn):
conn.execute("CREATE DATABASE test keep 36500")
conn.execute("USE test")
def insert_lines(conn):
affected_rows = conn.schemaless_insert(
lines, SmlProtocol.TELNET_PROTOCOL, SmlPrecision.NOT_CONFIGURED)
print(affected_rows) # 8
if __name__ == '__main__':
connection = get_connection()
try:
create_database(connection)
insert_lines(connection)
finally:
connection.close()