# Copyright 2021 Zilliz. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
[docs]class PandasExecution:
"""
Execute operator on pandas DataFrame
"""
def __dataframe_apply__(self, df):
self.__check_init__()
if isinstance(self._index[1], tuple):
df[list(self._index[1])] = df.apply(self.__apply__,
axis=1,
result_type='expand')
else:
df[self._index[1]] = df.apply(self.__apply__, axis=1)
return df
def __dataframe_filter__(self, df):
self.__check_init__()
return df[self.__apply__(df)]