Fix 'DataFrame' object has no attribute 'ix' (apache#12092)

File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/usr/local/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/usr/local/lib/python3.7/site-packages/flask_appbuilder/security/decorators.py", line 109, in wraps
    return f(self, *args, **kwargs)
  File "/app/superset/utils/log.py", line 164, in wrapper
    value = f(*args, **kwargs)
  File "/app/superset/views/core.py", line 2037, in extra_table_metadata
    mydb, table_name, parsed_schema
  File "/app/superset/db_engine_specs/presto.py", line 734, in extra_table_metadata
    table_name, schema_name, database, show_first=True
  File "/usr/local/lib/python3.7/site-packages/flask_caching/__init__.py", line 907, in decorated_function
    rv = f(*args, **kwargs)
  File "/app/superset/db_engine_specs/presto.py", line 977, in latest_partition
    return column_names, cls._latest_partition_from_df(df)
  File "/app/superset/db_engine_specs/hive.py", line 435, in _latest_partition_from_df
    return [df.ix[:, 0].max().split("=")[1]]
  File "/usr/local/lib/python3.7/site-packages/pandas/core/generic.py", line 5139, in __getattr__
    return object.__getattribute__(self, name)
AttributeError: 'DataFrame' object has no attribute 'ix'

Co-authored-by: Ville Brofeldt <[email protected]>

superset/db_engine_specs/hive.py

@@ -431,7 +431,7 @@ def latest_sub_partition(
     def _latest_partition_from_df(cls, df: pd.DataFrame) -> Optional[List[str]]:
         """Hive partitions look like ds={partition name}"""
         if not df.empty:
-            return [df.ix[:, 0].max().split("=")[1]]
+            return [df.iloc[:, 0].max().split("=")[1]]
         return None
 
     @classmethod