SQLAlchemy Sessions
SQLAlchemySession
uses SQLAlchemy to provide a production-ready session implementation, allowing you to use any database supported by SQLAlchemy (PostgreSQL, MySQL, SQLite, etc.) for session storage.
Installation
SQLAlchemy sessions require the sqlalchemy
extra:
Quick start
Using database URL
The simplest way to get started:
import asyncio
from agents import Agent, Runner
from agents.extensions.memory import SQLAlchemySession
async def main():
agent = Agent("Assistant")
# Create session using database URL
session = SQLAlchemySession.from_url(
"user-123",
url="sqlite+aiosqlite:///:memory:",
create_tables=True
)
result = await Runner.run(agent, "Hello", session=session)
print(result.final_output)
if __name__ == "__main__":
asyncio.run(main())
Using existing engine
For applications with existing SQLAlchemy engines:
import asyncio
from agents import Agent, Runner
from agents.extensions.memory import SQLAlchemySession
from sqlalchemy.ext.asyncio import create_async_engine
async def main():
# Create your database engine
engine = create_async_engine("postgresql+asyncpg://user:pass@localhost/db")
agent = Agent("Assistant")
session = SQLAlchemySession(
"user-456",
engine=engine,
create_tables=True
)
result = await Runner.run(agent, "Hello", session=session)
print(result.final_output)
# Clean up
await engine.dispose()
if __name__ == "__main__":
asyncio.run(main())
API Reference
SQLAlchemySession
- Main classSession
- Base session protocol