Barcode Betty
3300d67137
- Add connection pool config to SQLAlchemy async engine (pool_size=10, max_overflow=20, pool_pre_ping, pool_recycle) - Implement Redis connection pool in CacheClient with initialize/close lifecycle - Wire lifespan startup/shutdown to initialize and dispose pools - Add dispose_engine() for graceful DB pool cleanup on shutdown Closes CAR-550 Co-Authored-By: Paperclip <noreply@paperclip.ing>
29 lines
822 B
Python
29 lines
822 B
Python
"""Database session management for the API gateway."""
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from collections.abc import AsyncGenerator
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from cartsnitch_api.config import settings
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engine = create_async_engine(
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settings.database_url,
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echo=False,
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pool_size=10,
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max_overflow=20,
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pool_pre_ping=True,
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pool_recycle=3600,
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)
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async_session_factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""FastAPI dependency that yields an async DB session."""
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async with async_session_factory() as session:
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yield session
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async def dispose_engine() -> None:
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"""Dispose the database engine, closing all pooled connections."""
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await engine.dispose()
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