#832

Committed 12 Oct 2023 08:31AM UTC coverage: 0.0% (-68.5%) from 68.493%

Build # #832

Build Type

push

circle-ci

Committed by

xzdandy

Commit Message

Minor

Run Details

0 of 12331 relevant lines covered (0.0%)

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/evadb/executor/pp_executor.py

# coding=utf-8
# Copyright 2018-2023 EvaDB
#
# 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.
from typing import Iterator

from evadb.database import EvaDBDatabase
from evadb.executor.abstract_executor import AbstractExecutor
from evadb.models.storage.batch import Batch
from evadb.plan_nodes.pp_plan import PPScanPlan


class PPExecutor(AbstractExecutor):
    """
    Applies PP to filter out the frames that doesn't satisfy the condition
    Arguments:
        node (AbstractPlan): ...

    Note: This look kind of redundant. This logic for now is similar to that
    of sequential scan executor. Will decide to delete it depending on how
    sequential scan evolves.
    """

    def __init__(self, db: EvaDBDatabase, node: PPScanPlan):
        super().__init__(db, node)
        self.predicate = node.predicate

    def exec(self, *args, **kwargs) -> Iterator[Batch]:
        child_executor = self.children[0]
        for batch in child_executor.exec():
            outcomes = self.predicate.evaluate(batch)
            required_frame_ids = []
            for i, outcome in enumerate(outcomes):
                if outcome:
                    required_frame_ids.append(i)

            yield batch[required_frame_ids]

1	# coding=utf-8
2	# Copyright 2018-2023 EvaDB
3	#
4	# Licensed under the Apache License, Version 2.0 (the "License");
5	# you may not use this file except in compliance with the License.
6	# You may obtain a copy of the License at
7	#
8	# http://www.apache.org/licenses/LICENSE-2.0
9	#
10	# Unless required by applicable law or agreed to in writing, software
11	# distributed under the License is distributed on an "AS IS" BASIS,
12	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	# See the License for the specific language governing permissions and
14	# limitations under the License.
15	from typing import Iterator	×
16
17	from evadb.database import EvaDBDatabase	×
18	from evadb.executor.abstract_executor import AbstractExecutor	×
19	from evadb.models.storage.batch import Batch	×
20	from evadb.plan_nodes.pp_plan import PPScanPlan	×
21
22
23	class PPExecutor(AbstractExecutor):	×
24	"""
25	Applies PP to filter out the frames that doesn't satisfy the condition
26	Arguments:
27	node (AbstractPlan): ...
28
29	Note: This look kind of redundant. This logic for now is similar to that
30	of sequential scan executor. Will decide to delete it depending on how
31	sequential scan evolves.
32	"""
33
34	def __init__(self, db: EvaDBDatabase, node: PPScanPlan):	×
35	super().__init__(db, node)	×
36	self.predicate = node.predicate	×
37
38	def exec(self, args, *kwargs) -> Iterator[Batch]:	×
39	child_executor = self.children[0]	×
40	for batch in child_executor.exec():	×
41	outcomes = self.predicate.evaluate(batch)	×
42	required_frame_ids = []	×
43	for i, outcome in enumerate(outcomes):	×
44	if outcome:	×
45	required_frame_ids.append(i)	×
46
47	yield batch[required_frame_ids]	×

georgia-tech-db / eva / #832

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