Interface IEngine

All Engine implementations should implement this interface

Namespace: Alchemy\engine
Located at alchemy/engine/IEngine.php

Methods summary
`public`	# `beginTransaction( )` Start an atomic transaction on the database. These should generally not be held open very long in order to prevent deadlocks Start an atomic transaction on the database. These should generally not be held open very long in order to prevent deadlocks
`public`	# `commitTransaction( )` Commit a transaction as complete Commit a transaction as complete
`public Alchemy\engine\ResultSet`	# `query( Alchemy\core\query\IQuery $query )` Compile and run a SQL expression on the database Compile and run a SQL expression on the database Parameters `$query` `Query` Query to compile Returns `Alchemy\engine\ResultSet`
`public Alchemy\engine\ResultSet`	# `execute( string $sql, array $params = array() )` Execute raw SQL on the database connection Execute raw SQL on the database connection Parameters `$sql` `string` $sql Statement string `$params` `array` $params Params to bind to statement Returns `Alchemy\engine\ResultSet`
`public`	# `rollbackTransaction( )` Revert a pending transaction on the database Revert a pending transaction on the database