1faaf654-86a1-4547-9fa2-be3ff96452d7

Build # 1faaf654-86a1-4547-9fa2-be3ff96452d7

Build Type

circle-ci

Committed by jarulraj

Commit Message

checkpoint

Pull Request Pull Request #587: feat: Delete and Insert operators for structured data

Run Details

219 of 219 new or added lines in 17 files covered. (100.0%)

8487 of 9096 relevant lines covered (93.3%)

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75.56

/eva/executor/insert_executor.py

# coding=utf-8
# Copyright 2018-2022 EVA
#
# 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.
import pandas as pd

from eva.catalog.catalog_manager import CatalogManager
from eva.catalog.catalog_type import TableType
from eva.catalog.models.table_catalog import TableCatalogEntry
from eva.executor.abstract_executor import AbstractExecutor
from eva.executor.executor_utils import ExecutorError
from eva.models.storage.batch import Batch
from eva.plan_nodes.insert_plan import InsertPlan
from eva.storage.abstract_storage_engine import AbstractStorageEngine
from eva.storage.storage_engine import StorageEngine
from eva.utils.logging_manager import logger


class InsertExecutor(AbstractExecutor):
    def __init__(self, node: InsertPlan):
        super().__init__(node)
        self.catalog = CatalogManager()

    def validate(self):
        pass

    def exec(self):
        storage_engine = None
        table_catalog_entry = None
        try:
            # Get catalog entry
            table_name = self.node.table_ref.table.table_name
            database_name = self.node.table_ref.table.database_name
            table_catalog_entry = self.catalog.get_table_catalog_entry(
                table_name, database_name
            )

            # Implemented only for STRUCTURED_DATA
            if table_catalog_entry.table_type != TableType.STRUCTURED_DATA:
                raise NotImplementedError("INSERT only implemented for structured data")

            # Values to insert and Columns
            values_to_insert = self.node.value_list[0].value
            columns_to_insert = []
            for i in self.node.column_list:
                columns_to_insert.append(i.col_name)

            # Adding all values to Batch for insert
            dataframe = pd.DataFrame(values_to_insert, columns=columns_to_insert)
            batch = Batch(dataframe)

            storage_engine = StorageEngine.factory(table_catalog_entry)
            storage_engine.write(table_catalog_entry, batch)
        except Exception as e:
            err_msg = f"Insert {self.media_type.name} failed: encountered unexpected error {str(e)}"
            logger.error(err_msg)
            raise ExecutorError(err_msg)
        else:
            yield Batch(
                pd.DataFrame([f"Number of rows loaded: {str(len(values_to_insert))}"])
            )

    def _rollback_load(
        self,
        storage_engine: AbstractStorageEngine,
        table_obj: TableCatalogEntry,
        do_create: bool,
    ):
        try:
            if do_create:
                storage_engine.drop(table_obj)
        except Exception as e:
            logger.exception(
                f"Unexpected Exception {e} occured while rolling back. This is bad as the {self.media_type.name} table can be in a corrupt state. Please verify the table {table_obj} for correctness."
            )

1	# coding=utf-8
2	# Copyright 2018-2022 EVA
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	import pandas as pd	1✔
16
17	from eva.catalog.catalog_manager import CatalogManager	1✔
18	from eva.catalog.catalog_type import TableType	1✔
19	from eva.catalog.models.table_catalog import TableCatalogEntry	1✔
20	from eva.executor.abstract_executor import AbstractExecutor	1✔
21	from eva.executor.executor_utils import ExecutorError	1✔
22	from eva.models.storage.batch import Batch	1✔
23	from eva.plan_nodes.insert_plan import InsertPlan	1✔
24	from eva.storage.abstract_storage_engine import AbstractStorageEngine	1✔
25	from eva.storage.storage_engine import StorageEngine	1✔
26	from eva.utils.logging_manager import logger	1✔
27
28
29	class InsertExecutor(AbstractExecutor):	1✔
30	def __init__(self, node: InsertPlan):	1✔
31	super().__init__(node)	1✔
32	self.catalog = CatalogManager()	1✔
33
34	def validate(self):	1✔
35	pass	×
36
37	def exec(self):	1✔
38	storage_engine = None	1✔
39	table_catalog_entry = None	1✔
40	try:	1✔
41	# Get catalog entry
42	table_name = self.node.table_ref.table.table_name	1✔
43	database_name = self.node.table_ref.table.database_name	1✔
44	table_catalog_entry = self.catalog.get_table_catalog_entry(	1✔
45	table_name, database_name
46	)
47
48	# Implemented only for STRUCTURED_DATA
49	if table_catalog_entry.table_type != TableType.STRUCTURED_DATA:	1✔
50	raise NotImplementedError("INSERT only implemented for structured data")	×
51
52	# Values to insert and Columns
53	values_to_insert = self.node.value_list[0].value	1✔
54	columns_to_insert = []	1✔
55	for i in self.node.column_list:	1✔
56	columns_to_insert.append(i.col_name)	1✔
57
58	# Adding all values to Batch for insert
59	dataframe = pd.DataFrame(values_to_insert, columns=columns_to_insert)	1✔
60	batch = Batch(dataframe)	1✔
61
62	storage_engine = StorageEngine.factory(table_catalog_entry)	1✔
63	storage_engine.write(table_catalog_entry, batch)	1✔
64	except Exception as e:	×
65	err_msg = f"Insert {self.media_type.name} failed: encountered unexpected error {str(e)}"	×
66	logger.error(err_msg)	×
67	raise ExecutorError(err_msg)	×
68	else:
69	yield Batch(	1✔
70	pd.DataFrame([f"Number of rows loaded: {str(len(values_to_insert))}"])
71	)
72
73	def _rollback_load(	1✔
74	self,
75	storage_engine: AbstractStorageEngine,
76	table_obj: TableCatalogEntry,
77	do_create: bool,
78	):
79	try:	×
80	if do_create:	×
81	storage_engine.drop(table_obj)	×
82	except Exception as e:	×
83	logger.exception(	×
84	f"Unexpected Exception {e} occured while rolling back. This is bad as the {self.media_type.name} table can be in a corrupt state. Please verify the table {table_obj} for correctness."
85	)

georgia-tech-db / eva / 1faaf654-86a1-4547-9fa2-be3ff96452d7

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