DataFrame.columns

DataFrame.columns

The column labels of the DataFrame.

Returns

pandas.Index: OpenSearch field names as pandas.Index

See Also

:pandas_api_docs:`pandas.DataFrame.columns`

Examples

>>> from tests import OPENSEARCH_TEST_CLIENT

>>> df = oml.DataFrame(OPENSEARCH_TEST_CLIENT, 'flights')
>>> assert isinstance(df.columns, pd.Index)
>>> df.columns
Index(['AvgTicketPrice', 'Cancelled', 'Carrier', 'Dest', 'DestAirportID', 'DestCityName',
...   'DestCountry', 'DestLocation', 'DestRegion', 'DestWeather', 'DistanceKilometers',
...   'DistanceMiles', 'FlightDelay', 'FlightDelayMin', 'FlightDelayType', 'FlightNum',
...   'FlightTimeHour', 'FlightTimeMin', 'Origin', 'OriginAirportID', 'OriginCityName',
...   'OriginCountry', 'OriginLocation', 'OriginRegion', 'OriginWeather', 'dayOfWeek',
...   'timestamp'],
...   dtype='object')