Is it possible your sessions hasn't committed the change / closed the
transaction?
Also, I don't think dispose is helping you here. Consider removing it?
How about modifying:
def add_user():
session = Session()
session.add(User(**{'user_id': 1, 'name': 'user name'}))
session.commit()
session.close()
# consider removing
# session.bind.dispose()
On Tuesday, December 13, 2022 at 8:13:14 AM UTC-5 chandra...@gmail.com
wrote:
> 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()
>
> ```
>
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http://www.sqlalchemy.org/
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