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georgia-tech-db / eva / #758

04 Sep 2023 08:37PM UTC coverage: 0.0% (-78.3%) from 78.333%
#758

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hershd23
Increased underline length in at line 75 in text_summarization.rst
	modified:   docs/source/benchmarks/text_summarization.rst

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/evadb/plan_nodes/apply_and_merge_plan.py
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# coding=utf-8
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# Copyright 2018-2023 EvaDB
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from evadb.expression.function_expression import FunctionExpression
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from evadb.parser.alias import Alias
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from evadb.plan_nodes.abstract_plan import AbstractPlan
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from evadb.plan_nodes.types import PlanOprType
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class ApplyAndMergePlan(AbstractPlan):
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    """
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    This dataclass stores metadata to perform apply and merge operation.
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    Arguments:
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        func_expr(FunctionExpression): parameterized function expression that
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            reference columns from a table expression that precedes it.
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        do_unnest(bool): if True perform unnest operation on the output of FunctionScan
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    """
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    def __init__(
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        self, func_expr: FunctionExpression, alias: Alias, do_unnest: bool = False
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    ):
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        self._func_expr = func_expr
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        self._alias = alias
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        self._do_unnest = do_unnest
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        super().__init__(PlanOprType.APPLY_AND_MERGE)
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    @property
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    def func_expr(self):
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        return self._func_expr
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    @property
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    def alias(self):
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        return self._alias
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    @property
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    def do_unnest(self):
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        return self._do_unnest
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    def __str__(self):
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        plan = "UnnestApplyAndMergePlan" if self._do_unnest else "ApplyAndMergePlan"
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        return "{}(func_expr={})".format(plan, self._func_expr)
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    def __hash__(self) -> int:
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        return hash((super().__hash__(), self.func_expr, self.alias, self.do_unnest))
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