#832

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

Build # #832

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push

circle-ci

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xzdandy

Commit Message

Minor

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/evadb/catalog/models/function_cache_catalog.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 ast import literal_eval
from typing import Tuple

from sqlalchemy import Column, ForeignKey, Integer, String, UniqueConstraint
from sqlalchemy.orm import relationship

from evadb.catalog.models.association_models import (
    depend_column_and_function_cache,
    depend_function_and_function_cache,
)
from evadb.catalog.models.base_model import BaseModel
from evadb.catalog.models.utils import FunctionCacheCatalogEntry


class FunctionCacheCatalog(BaseModel):
    """The `FunctionCacheCatalog` catalog stores information about the function cache.

    It maintains the following information for each cache entry:
    `_row_id:` An autogenerated identifier for the cache entry.
    `_name:` The name of the cache, also referred to as the unique function signature.
    `_function_id:` `_row_id` of the function in the `FunctionCatalog` for which the cache is built.
    `_args:` A serialized list of `ColumnCatalog` `_row_id`s for each argument of the
    Function. If the argument is a function expression, it stores the string representation
    of the expression tree.
    """

    __tablename__ = "function_cache"

    _name = Column("name", String(128))
    _function_id = Column(
        "function_id",
        Integer,
        ForeignKey("function_catalog._row_id", ondelete="CASCADE"),
    )
    _cache_path = Column("cache_path", String(256))
    _args = Column("args", String(1024))

    __table_args__ = (UniqueConstraint("name", "function_id"), {})

    _col_depends = relationship(
        "ColumnCatalog",
        secondary=depend_column_and_function_cache,
        back_populates="_dep_caches",
        # cascade="all, delete-orphan",
    )

    _function_depends = relationship(
        "FunctionCatalog",
        secondary=depend_function_and_function_cache,
        back_populates="_dep_caches",
        # cascade="all, delete-orphan",
    )

    def __init__(self, name: str, function_id: int, cache_path: str, args: Tuple[str]):
        self._name = name
        self._function_id = function_id
        self._cache_path = cache_path
        self._args = str(args)

    def as_dataclass(self) -> "FunctionCacheCatalogEntry":
        function_depends = [obj._row_id for obj in self._function_depends]
        col_depends = [obj._row_id for obj in self._col_depends]
        return FunctionCacheCatalogEntry(
            row_id=self._row_id,
            name=self._name,
            function_id=self._function_id,
            cache_path=self._cache_path,
            args=literal_eval(self._args),
            function_depends=function_depends,
            col_depends=col_depends,
        )

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 ast import literal_eval	×
16	from typing import Tuple	×
17
18	from sqlalchemy import Column, ForeignKey, Integer, String, UniqueConstraint	×
19	from sqlalchemy.orm import relationship	×
20
21	from evadb.catalog.models.association_models import (	×
22	depend_column_and_function_cache,
23	depend_function_and_function_cache,
24	)
25	from evadb.catalog.models.base_model import BaseModel	×
26	from evadb.catalog.models.utils import FunctionCacheCatalogEntry	×
27
28
29	class FunctionCacheCatalog(BaseModel):	×
30	"""The `FunctionCacheCatalog` catalog stores information about the function cache.
31
32	It maintains the following information for each cache entry:
33	`_row_id:` An autogenerated identifier for the cache entry.
34	`_name:` The name of the cache, also referred to as the unique function signature.
35	`_function_id:` `_row_id` of the function in the `FunctionCatalog` for which the cache is built.
36	`_args:` A serialized list of `ColumnCatalog` `_row_id`s for each argument of the
37	Function. If the argument is a function expression, it stores the string representation
38	of the expression tree.
39	"""
40
41	__tablename__ = "function_cache"	×
42
43	_name = Column("name", String(128))	×
44	_function_id = Column(	×
45	"function_id",
46	Integer,
47	ForeignKey("function_catalog._row_id", ondelete="CASCADE"),
48	)
49	_cache_path = Column("cache_path", String(256))	×
50	_args = Column("args", String(1024))	×
51
52	__table_args__ = (UniqueConstraint("name", "function_id"), {})	×
53
54	_col_depends = relationship(	×
55	"ColumnCatalog",
56	secondary=depend_column_and_function_cache,
57	back_populates="_dep_caches",
58	# cascade="all, delete-orphan",
59	)
60
61	_function_depends = relationship(	×
62	"FunctionCatalog",
63	secondary=depend_function_and_function_cache,
64	back_populates="_dep_caches",
65	# cascade="all, delete-orphan",
66	)
67
68	def __init__(self, name: str, function_id: int, cache_path: str, args: Tuple[str]):	×
69	self._name = name	×
70	self._function_id = function_id	×
71	self._cache_path = cache_path	×
72	self._args = str(args)	×
73
74	def as_dataclass(self) -> "FunctionCacheCatalogEntry":	×
75	function_depends = [obj._row_id for obj in self._function_depends]	×
76	col_depends = [obj._row_id for obj in self._col_depends]	×
77	return FunctionCacheCatalogEntry(	×
78	row_id=self._row_id,
79	name=self._name,
80	function_id=self._function_id,
81	cache_path=self._cache_path,
82	args=literal_eval(self._args),
83	function_depends=function_depends,
84	col_depends=col_depends,
85	)

georgia-tech-db / eva / #832

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