Source code for pyqldb.execution.executable
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#
# Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with
# the License. A copy of the License is located at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# or in the "license" file accompanying this file. This file 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
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from abc import ABC, abstractmethod
[docs]class Executable(ABC):
"""
An abstract base class representing the functionality of execution against QLDB.
"""
[docs] @abstractmethod
def execute_statement(self, statement, *parameters, retry_indicator):
"""
Implicitly start a transaction, execute the statement, and commit the transaction, retrying up to the
retry limit if an OCC conflict or retriable exception occurs. This method must be overridden.
"""
pass
[docs] @abstractmethod
def execute_lambda(self, query_lambda, retry_indicator):
"""
Implicitly start a transaction, execute the lambda function, and commit the transaction, retrying up to the
retry limit if an OCC conflict or retriable exception occurs. This method must be overridden.
"""
pass