fix: トランザクションが勝手にコミットされるようになっていたのを修正。Webの方も横展開で修正
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f6d0476846
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8caef8acec
@ -1,6 +1,5 @@
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from sqlalchemy import (Connection, CursorResult, Engine, QueuePool,
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from sqlalchemy import (Connection, CursorResult, Engine, QueuePool,
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create_engine, text)
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create_engine, text)
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from sqlalchemy.engine.create import create_engine
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from sqlalchemy.engine.url import URL
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from sqlalchemy.engine.url import URL
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from tenacity import retry, stop_after_attempt, wait_exponential
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from tenacity import retry, stop_after_attempt, wait_exponential
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@ -10,6 +9,7 @@ from src.system_var import environment
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logger = get_logger(__name__)
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logger = get_logger(__name__)
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class Database:
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class Database:
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"""データベース操作クラス"""
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"""データベース操作クラス"""
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__connection: Connection = None
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__connection: Connection = None
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@ -19,8 +19,7 @@ class Database:
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__username: str = None
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__username: str = None
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__password: str = None
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__password: str = None
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__schema: str = None
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__schema: str = None
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__connection_string:str = None
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__connection_string: str = None
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def __init__(self, username: str, password: str, host: str, port: int, schema: str) -> None:
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def __init__(self, username: str, password: str, host: str, port: int, schema: str) -> None:
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"""このクラスの新たなインスタンスを初期化します
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"""このクラスの新たなインスタンスを初期化します
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@ -51,8 +50,7 @@ class Database:
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self.__engine = create_engine(
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self.__engine = create_engine(
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self.__connection_string,
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self.__connection_string,
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pool_timeout=5,
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pool_timeout=5,
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poolclass=QueuePool,
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poolclass=QueuePool
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isolation_level="AUTOCOMMIT"
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)
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)
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@classmethod
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@classmethod
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@ -100,10 +98,18 @@ class Database:
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"""
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"""
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if self.__connection is None:
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if self.__connection is None:
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raise DBException('DBに接続していません')
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raise DBException('DBに接続していません')
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result = None
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try:
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try:
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result = self.__connection.execute(text(select_query), parameters=parameters)
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# トランザクションが開始している場合は、トランザクションを引き継ぐ
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if self.__connection.in_transaction():
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result = self.__connection.execute(text(select_query), parameters)
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else:
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# トランザクションが明示的に開始していない場合は、クエリ単位でトランザクションをbegin-commitする。
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result = self.__execute_with_transaction(select_query, parameters)
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except Exception as e:
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except Exception as e:
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raise DBException(e)
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raise DBException(e)
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result_rows = result.mappings().all()
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result_rows = result.mappings().all()
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return result_rows
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return result_rows
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@ -122,10 +128,18 @@ class Database:
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"""
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"""
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if self.__connection is None:
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if self.__connection is None:
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raise DBException('DBに接続していません')
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raise DBException('DBに接続していません')
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result = None
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try:
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try:
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result = self.__connection.execute(text(query), parameters=parameters)
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# トランザクションが開始している場合は、トランザクションを引き継ぐ
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if self.__connection.in_transaction():
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result = self.__connection.execute(text(query), parameters)
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else:
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# トランザクションが明示的に開始していない場合は、クエリ単位でトランザクションをbegin-commitする。
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result = self.__execute_with_transaction(query, parameters)
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except Exception as e:
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except Exception as e:
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raise DBException(e)
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raise DBException(e)
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return result
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return result
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def begin(self):
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def begin(self):
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@ -148,3 +162,14 @@ class Database:
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if self.__connection is not None:
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if self.__connection is not None:
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self.__connection.close()
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self.__connection.close()
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self.__connection = None
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self.__connection = None
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def __execute_with_transaction(self, query: str, parameters: dict):
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# トランザクションを開始してクエリを実行する
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with self.__connection.begin():
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try:
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result = self.__connection.execute(text(query), parameters=parameters)
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except Exception as e:
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self.__connection.rollback()
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raise e
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# ここでコミットされる
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return result
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@ -1,6 +1,5 @@
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from sqlalchemy import (Connection, CursorResult, Engine, QueuePool,
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from sqlalchemy import (Connection, CursorResult, Engine, QueuePool,
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create_engine, text)
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create_engine, text)
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from sqlalchemy.engine.create import create_engine
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from sqlalchemy.engine.url import URL
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from sqlalchemy.engine.url import URL
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from src.error.exceptions import DBException
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from src.error.exceptions import DBException
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@ -16,8 +15,7 @@ class Database:
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__username: str = None
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__username: str = None
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__password: str = None
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__password: str = None
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__schema: str = None
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__schema: str = None
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__connection_string:str = None
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__connection_string: str = None
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def __init__(self, username: str, password: str, host: str, port: int, schema: str) -> None:
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def __init__(self, username: str, password: str, host: str, port: int, schema: str) -> None:
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"""このクラスの新たなインスタンスを初期化します
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"""このクラスの新たなインスタンスを初期化します
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@ -48,8 +46,7 @@ class Database:
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self.__engine = create_engine(
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self.__engine = create_engine(
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self.__connection_string,
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self.__connection_string,
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pool_timeout=5,
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pool_timeout=5,
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poolclass=QueuePool,
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poolclass=QueuePool
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isolation_level="AUTOCOMMIT"
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)
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)
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@classmethod
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@classmethod
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@ -97,10 +94,18 @@ class Database:
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"""
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"""
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if self.__connection is None:
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if self.__connection is None:
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raise DBException('DBに接続していません')
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raise DBException('DBに接続していません')
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result = None
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try:
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try:
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result = self.__connection.execute(text(select_query), parameters=parameters)
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# トランザクションが開始している場合は、トランザクションを引き継ぐ
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if self.__connection.in_transaction():
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result = self.__connection.execute(text(select_query), parameters)
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else:
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# トランザクションが明示的に開始していない場合は、クエリ単位でトランザクションをbegin-commitする。
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result = self.__execute_with_transaction(select_query, parameters)
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except Exception as e:
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except Exception as e:
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raise DBException(e)
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raise DBException(e)
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result_rows = result.mappings().all()
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result_rows = result.mappings().all()
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return result_rows
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return result_rows
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@ -119,10 +124,18 @@ class Database:
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"""
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"""
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if self.__connection is None:
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if self.__connection is None:
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raise DBException('DBに接続していません')
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raise DBException('DBに接続していません')
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result = None
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try:
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try:
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result = self.__connection.execute(text(query), parameters=parameters)
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# トランザクションが開始している場合は、トランザクションを引き継ぐ
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if self.__connection.in_transaction():
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result = self.__connection.execute(text(query), parameters)
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else:
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# トランザクションが明示的に開始していない場合は、クエリ単位でトランザクションをbegin-commitする。
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result = self.__execute_with_transaction(query, parameters)
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except Exception as e:
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except Exception as e:
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raise DBException(e)
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raise DBException(e)
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return result
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return result
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def begin(self):
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def begin(self):
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@ -145,3 +158,14 @@ class Database:
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if self.__connection is not None:
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if self.__connection is not None:
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self.__connection.close()
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self.__connection.close()
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self.__connection = None
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self.__connection = None
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def __execute_with_transaction(self, query: str, parameters: dict):
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# トランザクションを開始してクエリを実行する
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with self.__connection.begin():
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try:
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result = self.__connection.execute(text(query), parameters=parameters)
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except Exception as e:
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self.__connection.rollback()
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raise e
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# ここでコミットされる
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return result
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