eland.DataFrame.es_info#

DataFrame.es_info()#

eland DataFrame 内部结构的调试摘要。

这包括 Elasticsearch 搜索查询和查询编译器任务列表。

返回值#

str

eland DataFrame 内部结构的调试摘要。

示例#

>>> df = ed.DataFrame('http://localhost:9200', 'flights')
>>> df = df[(df.OriginAirportID == 'AMS') & (df.FlightDelayMin > 60)]
>>> df = df[['timestamp', 'OriginAirportID', 'DestAirportID', 'FlightDelayMin']]
>>> df = df.tail()
>>> df
                timestamp OriginAirportID DestAirportID  FlightDelayMin
12608 2018-02-10 01:20:52             AMS          CYEG             120
12720 2018-02-10 14:09:40             AMS           BHM             255
12725 2018-02-10 00:53:01             AMS           ATL             360
12823 2018-02-10 15:41:20             AMS           NGO             120
12907 2018-02-11 20:08:25             AMS           LIM             225

[5 rows x 4 columns]
>>> print(df.es_info())
es_index_pattern: flights
Index:
 es_index_field: _id
 is_source_field: False
Mappings:
 capabilities:
                   es_field_name  is_source es_dtype                  es_date_format        pd_dtype  is_searchable  is_aggregatable  is_scripted aggregatable_es_field_name
timestamp              timestamp       True     date  strict_date_hour_minute_second  datetime64[ns]           True             True        False                  timestamp
OriginAirportID  OriginAirportID       True  keyword                            None          object           True             True        False            OriginAirportID
DestAirportID      DestAirportID       True  keyword                            None          object           True             True        False              DestAirportID
FlightDelayMin    FlightDelayMin       True  integer                            None           int64           True             True        False             FlightDelayMin
Operations:
 tasks: [('boolean_filter': ('boolean_filter': {'bool': {'must': [{'term': {'OriginAirportID': 'AMS'}}, {'range': {'FlightDelayMin': {'gt': 60}}}]}})), ('tail': ('sort_field': '_doc', 'count': 5))]
 size: 5
 sort_params: {'_doc': 'desc'}
 _source: ['timestamp', 'OriginAirportID', 'DestAirportID', 'FlightDelayMin']
 body: {'query': {'bool': {'must': [{'term': {'OriginAirportID': 'AMS'}}, {'range': {'FlightDelayMin': {'gt': 60}}}]}}}
 post_processing: [('sort_index')]