The DBAPI connection is retrieved from the connection The Connection, is a proxy object for anĪctual DBAPI connection. Statement) the Connection.close() method is automatically invoked at theĮnd of the block. Object, and by using it in a Python context manager (e.g. execute ( text ( "select username from users" )) for row in result : print ( "username:", row )Ībove, the nnect() method returns a Connection connect () as connection : result = connection. Calling Stored Procedures and User Defined Functionsįrom sqlalchemy import text with engine.Invoking SQL strings directly to the driver.Working with Driver SQL and Raw DBAPI Connections.Using Lambdas to add significant speed gains to statement production.Disabling or using an alternate dictionary to cache some (or all) statements.Estimating Cache Performance Using Logging.Connectionless Execution, Implicit Execution.Understanding the DBAPI-Level Autocommit Isolation Level.Setting Transaction Isolation Levels including DBAPI Autocommit.Arbitrary Transaction Nesting as an Antipattern.SQL Expression Language Tutorial (1.x API).
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