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* code review * python insert example * python stmt example * python query example * python async exmaple * python json example * java json example
37 lines
1.5 KiB
Python
37 lines
1.5 KiB
Python
import taos
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from taos import SmlProtocol, SmlPrecision
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lines = ["meters,location=Beijing.Chaoyang,groupid=2 current=10.3,voltage=219,phase=0.31 1648432611249300",
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"meters,location=Beijing.Chaoyang,groupid=2 current=12.6,voltage=218,phase=0.33 1648432611249800",
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"meters,location=Beijing.Chaoyang,groupid=2 current=12.3,voltage=221,phase=0.31 1648432611250300",
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"meters,location=Beijing.Chaoyang,groupid=3 current=10.3,voltage=218,phase=0.25 1648432611249200",
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"meters,location=Beijing.Haidian,groupid=2 current=11.8,voltage=221,phase=0.28 1648432611249000",
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"meters,location=Beijing.Haidian,groupid=2 current=13.4,voltage=223,phase=0.29 1648432611249500",
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"meters,location=Beijing.Haidian,groupid=3 current=10.8,voltage=223,phase=0.29 1648432611249300",
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"meters,location=Beijing.Haidian,groupid=3 current=11.3,voltage=221,phase=0.35 1648432611249800",
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]
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def get_connection():
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# create connection use firstEP in taos.cfg.
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return taos.connect()
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def create_database(conn):
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# the default precision is ms (microsecond), but we use us(microsecond) here.
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conn.execute("create database test precision 'us'")
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conn.execute("use test")
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def insert_lines(conn):
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affected_rows = conn.schemaless_insert(lines, SmlProtocol.LINE_PROTOCOL, SmlPrecision.MICRO_SECONDS)
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print(affected_rows) # 8
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if __name__ == '__main__':
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connection = get_connection()
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try:
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create_database(connection)
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insert_lines(connection)
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finally:
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connection.close()
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