e3d7f7c8d8
add test-frame-work for cost model according paper Testing the Accuracy of Query Optimizers
40 lines
1.5 KiB
Python
40 lines
1.5 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from dataclasses import dataclass
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@dataclass
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class Config:
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# user for mysql client
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user: str
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# password for mysql client
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password: str
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# host of mysql client
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host: str
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# post of mysql client
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port: int
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# database of query that used to evaluated
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database: str
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# execute times for one plan of the query. Note a query can generate multiple plans
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execute_times: int
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# the number of generate plans for one query. Note if the number > the possible plans,
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# we will only use the valid plans.
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plan_number: int
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# Does plot the relation of cost and time
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plot: bool
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# run the query before really evaluate, just for avoiding cold running
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cold_run: int |