import pandas from sqlalchemy import create_engine engine = create_engine("taos://root:taosdata@localhost:6030/power") df = pandas.read_sql("SELECT * FROM meters", engine) # print index print(df.index) # print data type of element in ts column print(type(df.ts[0])) print(df.head(3)) # output: # RangeIndex(start=0, stop=8, step=1) # <class 'pandas._libs.tslibs.timestamps.Timestamp'> # ts current voltage phase location groupid # 0 2018-10-03 14:38:05.000 10.3 219 0.31 beijing.chaoyang 2 # 1 2018-10-03 14:38:15.000 12.6 218 0.33 beijing.chaoyang 2 # 2 2018-10-03 14:38:16.800 12.3 221 0.31 beijing.chaoyang 2
