39 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			39 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,
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             "tags": {"location": "Beijing.Haidian", "groupid": 1}},
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         {"metric": "meters.current", "timestamp": 1648432611250, "value": 12.6,
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             "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(
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        [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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