MySQL Connector/Python Developer Guide / ... / Connector/Python API Reference / pooling.PooledMySQLConnection Class / PooledMySQLConnection.close() Method
Syntax:
cnx.close()Returns a pooled connection to its connection pool.
For a pooled connection,close() does not actually close it but returns it to the pool and makes it available for subsequent connection requests.
If the pool configuration parameters are changed, a returned connection is closed and reopened with the new configuration before being returned from the pool again in response to a connection request.