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* code review * python insert example * python stmt example * python query example * python async exmaple * python json example * java json example
35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
import json
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import taos
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from taos import SmlProtocol, SmlPrecision
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lines = [{"metric": "meters.current", "timestamp": 1648432611249, "value": 10.3, "tags": {"location": "Beijing.Chaoyang", "groupid": 2}},
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{"metric": "meters.voltage", "timestamp": 1648432611249, "value": 219, "tags": {"location": "Beijing.Haidian", "groupid": 1}},
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{"metric": "meters.current", "timestamp": 1648432611250, "value": 12.6, "tags": {"location": "Beijing.Chaoyang", "groupid": 2}},
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{"metric": "meters.voltage", "timestamp": 1648432611250, "value": 221, "tags": {"location": "Beijing.Haidian", "groupid": 1}}]
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def get_connection():
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return taos.connect()
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def create_database(conn):
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conn.execute("create database test")
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conn.execute("use test")
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def insert_lines(conn):
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global lines
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lines = json.dumps(lines)
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# note: the first parameter must be a list with only one element.
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affected_rows = conn.schemaless_insert([lines], SmlProtocol.JSON_PROTOCOL, SmlPrecision.NOT_CONFIGURED)
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print(affected_rows) # 4
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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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