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georgia-tech-db / eva / a4c010ba-78be-4818-8e6f-1da08c6af280

31 Aug 2023 11:59PM UTC coverage: 70.992% (-10.6%) from 81.552%
a4c010ba-78be-4818-8e6f-1da08c6af280

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Merge branch 'staging' into evadb_staging

54 of 54 new or added lines in 3 files covered. (100.0%)

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57.89
/evadb/plan_nodes/function_scan_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.plan_nodes.abstract_plan import AbstractPlan
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from evadb.plan_nodes.types import PlanOprType
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class FunctionScanPlan(AbstractPlan):
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    """
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    This plan used to store metadata to perform function table scan.
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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__(self, func_expr: FunctionExpression, do_unnest: bool = False):
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        self._func_expr = func_expr
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        self._do_unnest = do_unnest
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        super().__init__(PlanOprType.FUNCTION_SCAN)
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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 do_unnest(self):
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        return self._do_unnest
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    def __str__(self):
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        plan = "UnnestFunctionScanPlan" if self._do_unnest else "FunctionScanPlan"
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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.do_unnest))
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