sqlalchemy.engine.base

Class	`Connection`	Provides high-level functionality for a wrapped DB-API connection.
Class	`Engine`	Connects a `~sqlalchemy.pool.Pool` and `~sqlalchemy.engine.interfaces.Dialect` together to provide a source of database connectivity and behavior.
Class	`NestedTransaction`	Represent a 'nested', or SAVEPOINT transaction.
Class	`RootTransaction`	Represent the "root" transaction on a `_engine.Connection`.
Class	`Transaction`	Represent a database transaction in progress.
Class	`TwoPhaseTransaction`	Represent a two-phase transaction.
Class	`ExceptionContextImpl`	Implement the `.ExceptionContext` interface.
Class	`MarkerTransaction`	A 'marker' transaction that is used for nested begin() calls.
Class	`OptionEngine`	Undocumented
Class	`OptionEngineMixin`	Undocumented
Constant	`_EMPTY_EXECUTION_OPTS`	Undocumented