20 lines
607 B
Python
20 lines
607 B
Python
from sqlalchemy import create_engine, MetaData
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from .config import settings
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engine = create_engine(settings.DATABASE_URL, pool_pre_ping=True, echo=False, pool_size=30, max_overflow=60, pool_timeout=30, pool_recycle=3600)
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SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
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Base = declarative_base()
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def init_db():
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"""初始化数据库表"""
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Base.metadata.create_all(bind=engine) |