Avoiding “MySQL server has gone away” on infrequently used Python / Flask server with SQLAlchemy

Question

How can Flask / SQLAlchemy be configured to create a new database connection if one is not present?

I have an infrequently visited Python / Flask server which uses S

Answer 1

The pessimistic approach as described by @wim

pool_pre_ping=True

can now be done for Flask-SQLAlchemy using a config var -->

SQLALCHEMY_POOL_PRE_PING = True