#850

Committed 08 Nov 2023 08:36PM UTC coverage: 0.0% (-77.0%) from 76.982%

Build # #850

Build Type

push

circleci

Committed by

americast

Commit Message

fix metrics logic

Run Details

0 of 1 new or added line in 1 file covered. (0.0%)

9789 existing lines in 252 files now uncovered.

0 of 12428 relevant lines covered (0.0%)

0.0 hits per line

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0.0

/evadb/executor/abstract_executor.py

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.
UNCOV 15	from abc import ABC, abstractmethod	×
UNCOV 16	from collections import deque	×
UNCOV 17	from typing import TYPE_CHECKING, Any, Generator, Iterable, List, TypeVar	×
18
19	if TYPE_CHECKING:
20	from evadb.catalog.catalog_manager import CatalogManager
UNCOV 21	from evadb.database import EvaDBDatabase	×
UNCOV 22	from evadb.models.storage.batch import Batch	×
UNCOV 23	from evadb.plan_nodes.abstract_plan import AbstractPlan	×
24
UNCOV 25	AbstractExecutor = TypeVar("AbstractExecutor")	×
26
27
UNCOV 28	class AbstractExecutor(ABC):	×
29	"""
30	An abstract class for the executor engine
31	Arguments:
32	node (AbstractPlan): Plan node corresponding to this executor
33	"""
34
UNCOV 35	def __init__(self, db: EvaDBDatabase, node: AbstractPlan):	×
UNCOV 36	self._db = db	×
UNCOV 37	self._node = node	×
UNCOV 38	self._children = []	×
39
40	# @lru_cache(maxsize=None)
UNCOV 41	def catalog(self) -> "CatalogManager":	×
42	"""The object is intentionally generated on demand to prevent serialization issues. Having a SQLAlchemy object as a member variable can cause problems with multiprocessing. See get_catalog_instance()"""
UNCOV 43	return self._db.catalog() if self._db else None	×
44
UNCOV 45	def append_child(self, child: AbstractExecutor):	×
46	"""
47	appends a child executor node
48
49	Arguments:
50	child {AbstractExecutor} -- child node
51	"""
UNCOV 52	self._children.append(child)	×
53
UNCOV 54	@property	×
UNCOV 55	def children(self) -> List[AbstractExecutor]:	×
56	"""
57	Returns the list of child executor
58	Returns:
59	[] -- list of children
60	"""
UNCOV 61	return self._children	×
62
UNCOV 63	@children.setter	×
UNCOV 64	def children(self, children):	×
65	self._children = children	×
66
UNCOV 67	@property	×
UNCOV 68	def node(self) -> AbstractPlan:	×
UNCOV 69	return self._node	×
70
UNCOV 71	@property	×
UNCOV 72	def db(self) -> EvaDBDatabase:	×
UNCOV 73	return self._db	×
74
UNCOV 75	@abstractmethod	×
UNCOV 76	def exec(self, args, *kwargs) -> Iterable[Batch]:	×
77	"""
78	This method is implemented by every executor.
79	Contains logic for that executor;
80	For retrieval based executor : It fetches frame batches from
81	child nodes and emits it to parent node.
82	"""
83
UNCOV 84	def __call__(self, args, *kwargs) -> Generator[Batch, None, None]:	×
85	yield from self.exec(args, *kwargs)	×
86
UNCOV 87	def bfs(self):	×
88	"""Returns a generator which visits all nodes in execution tree in
89	breadth-first search (BFS) traversal order.
90
91	Returns:
92	the generator object.
93	"""
94	queue = deque([self])	×
95	while queue:	×
96	node = queue.popleft()	×
97	yield node	×
98	for child in node.children:	×
99	queue.append(child)	×
100
UNCOV 101	def find_all(self, execution_type: Any):	×
102	"""Returns a generator which visits all the nodes in execution tree and yields one that matches the passed `execution_type`.
103
104	Args:
105	execution_type (Any): execution type to match with
106
107	Returns:
108	the generator object.
109	"""
110
111	for node in self.bfs():	×
112	if isinstance(node, execution_type):	×
113	yield node	×

georgia-tech-db / eva / #850

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