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docs_src/sql_databases/sql_app_py310/database.py
SQLALCHEMY_DATABASE_URL = "sqlite:///./sql_app.db" # SQLALCHEMY_DATABASE_URL = "postgresql://user:password@postgresserver/db" engine = create_engine( SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False} ) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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docs_src/sql_databases_peewee/sql_app/database.py
def __setattr__(self, name, value): self._state.get()[name] = value def __getattr__(self, name): return self._state.get()[name] db = peewee.SqliteDatabase(DATABASE_NAME, check_same_thread=False)
Python - Registered: Sun May 05 07:19:11 GMT 2024 - Last Modified: Thu Mar 26 19:09:53 GMT 2020 - 662 bytes - Viewed (0) -
docs/zh/docs/tutorial/sql-databases.md
``` #### 注意 参数: ```Python connect_args={"check_same_thread": False} ``` ...仅用于`SQLite`,在其他数据库不需要它。 !!! info "技术细节" 默认情况下,SQLite 只允许一个线程与其通信,假设有多个线程的话,也只将处理一个独立的请求。 这是为了防止意外地为不同的事物(不同的请求)共享相同的连接。 但是在 FastAPI 中,普遍使用def函数,多个线程可以为同一个请求与数据库交互,所以我们需要使用`connect_args={"check_same_thread": False}`来让SQLite允许这样。 此外,我们将确保每个请求都在依赖项中获得自己的数据库连接会话,因此不需要该默认机制。
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docs_src/sql_databases/sql_app_py39/tests/test_sql_app.py
from ..database import Base from ..main import app, get_db SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db" engine = create_engine( SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False} ) TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base.metadata.create_all(bind=engine) def override_get_db(): try: db = TestingSessionLocal()
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docs/en/docs/how-to/nosql-databases-couchbase.md
Also, Couchbase recommends not using a single `Bucket` object in multiple "<abbr title="A sequence of code being executed by the program, while at the same time, or at intervals, there can be others being executed too.">thread</abbr>s", so, we can just get the bucket directly and pass it to our utility functions: ```Python hl_lines="49-53" {!../../../docs_src/nosql_databases/tutorial001.py!} ``` ## Recap
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docs/em/docs/tutorial/sql-databases.md
#### 🗒 ❌: ```Python connect_args={"check_same_thread": False} ``` ...💪 🕴 `SQLite`. ⚫️ 🚫 💪 🎏 💽. !!! info "📡 ℹ" 🔢 🗄 🔜 🕴 ✔ 1️⃣ 🧵 🔗 ⏮️ ⚫️, 🤔 👈 🔠 🧵 🔜 🍵 🔬 📨. 👉 ❎ 😫 🤝 🎏 🔗 🎏 👜 (🎏 📨). ✋️ FastAPI, ⚙️ 😐 🔢 (`def`) 🌅 🌘 1️⃣ 🧵 💪 🔗 ⏮️ 💽 🎏 📨, 👥 💪 ⚒ 🗄 💭 👈 ⚫️ 🔜 ✔ 👈 ⏮️ `connect_args={"check_same_thread": False}`.
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docs/pt/docs/async.md
### Outras funções de utilidade
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docs/fr/docs/async.md
### Autres fonctions utilitaires
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docs_src/sql_databases/sql_app_py310/tests/test_sql_app.py
from ..database import Base from ..main import app, get_db SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db" engine = create_engine( SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False} ) TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) Base.metadata.create_all(bind=engine) def override_get_db(): try: db = TestingSessionLocal()
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fastapi/concurrency.py
yield await run_in_threadpool(cm.__enter__) except Exception as e: ok = bool( await anyio.to_thread.run_sync( cm.__exit__, type(e), e, None, limiter=exit_limiter ) ) if not ok: raise e else: await anyio.to_thread.run_sync( cm.__exit__, None, None, None, limiter=exit_limiter
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