On creating all tables using alembic for migrations and then truncate any
empty table gets completed quickly, BUT once lambda function is triggered
to insert some data in a table through SQLAlchemy ORM Session query (as
given below) and then truncate the table takes very much time. Where is the
problem?
```
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
engine = create_engine("mysql+pymysql://....")
Session = sessionmaker(bind=engine)
def add_user():
session = Session()
session.add(User(**{'user_id': 1, 'name': 'user name'}))
session.close()
session.bind.dispose()
```
--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
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