#837

Committed 19 Oct 2023 09:02AM UTC coverage: 0.0% (-78.6%) from 78.632%

Build # #837

Build Type

push

circle-ci

Committed by Andy Xu

Commit Message

Add CostEntry

Run Details

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/evadb/executor/hash_join_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.executor.executor_utils import (
    apply_predicate,
    apply_project,
    instrument_function_expression_cost,
)
from evadb.models.storage.batch import Batch
from evadb.plan_nodes.hash_join_probe_plan import HashJoinProbePlan


class HashJoinExecutor(AbstractExecutor):
    def __init__(self, db: EvaDBDatabase, node: HashJoinProbePlan):
        super().__init__(db, node)
        self.predicate = node.join_predicate
        self.join_type = node.join_type
        self.probe_keys = node.probe_keys
        self.join_project = node.join_project

    def exec(self, *args, **kwargs) -> Iterator[Batch]:
        build_table = self.children[0]
        probe_table = self.children[1]
        hash_keys = [key.col_alias for key in self.probe_keys]
        for build_batch in build_table.exec():
            for probe_batch in probe_table.exec():
                probe_batch.reassign_indices_to_hash(hash_keys)
                join_batch = Batch.join(probe_batch, build_batch)
                join_batch.reset_index()
                join_batch = apply_predicate(join_batch, self.predicate)
                join_batch = apply_project(join_batch, self.join_project)
                yield join_batch

        # instrument required stats
        if self.predicate or self.join_project:
            catalog = self.catalog()
            instrument_function_expression_cost(self.predicate, catalog)
            instrument_function_expression_cost(self.join_project, catalog)

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.executor.executor_utils import (	×
20	apply_predicate,
21	apply_project,
22	instrument_function_expression_cost,
23	)
24	from evadb.models.storage.batch import Batch	×
25	from evadb.plan_nodes.hash_join_probe_plan import HashJoinProbePlan	×
26
27
28	class HashJoinExecutor(AbstractExecutor):	×
29	def __init__(self, db: EvaDBDatabase, node: HashJoinProbePlan):	×
30	super().__init__(db, node)	×
31	self.predicate = node.join_predicate	×
32	self.join_type = node.join_type	×
33	self.probe_keys = node.probe_keys	×
34	self.join_project = node.join_project	×
35
36	def exec(self, args, *kwargs) -> Iterator[Batch]:	×
37	build_table = self.children[0]	×
38	probe_table = self.children[1]	×
39	hash_keys = [key.col_alias for key in self.probe_keys]	×
40	for build_batch in build_table.exec():	×
41	for probe_batch in probe_table.exec():	×
42	probe_batch.reassign_indices_to_hash(hash_keys)	×
43	join_batch = Batch.join(probe_batch, build_batch)	×
44	join_batch.reset_index()	×
45	join_batch = apply_predicate(join_batch, self.predicate)	×
46	join_batch = apply_project(join_batch, self.join_project)	×
47	yield join_batch	×
48
49	# instrument required stats
50	if self.predicate or self.join_project:	×
51	catalog = self.catalog()	×
52	instrument_function_expression_cost(self.predicate, catalog)	×
53	instrument_function_expression_cost(self.join_project, catalog)	×

georgia-tech-db / eva / #837

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