42 lines
978 B
Python
42 lines
978 B
Python
"""
|
|
Tool_OCR - Database Connection Management
|
|
SQLAlchemy setup with async support
|
|
"""
|
|
|
|
from sqlalchemy import create_engine
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.orm import sessionmaker
|
|
from app.core.config import settings
|
|
|
|
# Create database engine
|
|
engine = create_engine(
|
|
settings.database_url,
|
|
pool_pre_ping=True, # Enable connection health checks
|
|
pool_size=10,
|
|
max_overflow=20,
|
|
echo=False, # Set to True for SQL query logging
|
|
)
|
|
|
|
# Create session factory
|
|
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
|
|
|
|
# Base class for all models
|
|
Base = declarative_base()
|
|
|
|
|
|
# Dependency to get database session
|
|
def get_db():
|
|
"""
|
|
Database session dependency for FastAPI endpoints
|
|
|
|
Usage:
|
|
@app.get("/endpoint")
|
|
def endpoint(db: Session = Depends(get_db)):
|
|
# Use db session here
|
|
"""
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
finally:
|
|
db.close()
|