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.. _query_api_toplevel:
Querying
========
.. module:: sqlalchemy.orm
The Query Object
----------------
:class:`~sqlalchemy.orm.query.Query` is produced in terms of a given :class:`~sqlalchemy.orm.session.Session`, using the :func:`~sqlalchemy.orm.query.Query.query` function::
q = session.query(SomeMappedClass)
Following is the full interface for the :class:`Query` object.
.. autoclass:: sqlalchemy.orm.query.Query
:members:
:undoc-members:
ORM-Specific Query Constructs
-----------------------------
.. autoclass:: aliased
.. autoclass:: sqlalchemy.orm.util.AliasedClass
.. autofunction:: join
.. autofunction:: outerjoin
Query Options
-------------
Options which are passed to ``query.options()``, to affect the behavior of loading.
.. autofunction:: contains_alias
.. autofunction:: contains_eager
.. autofunction:: defer
.. autofunction:: eagerload
.. autofunction:: eagerload_all
.. autofunction:: extension
.. autofunction:: joinedload
.. autofunction:: joinedload_all
.. autofunction:: lazyload
.. autofunction:: subqueryload
.. autofunction:: subqueryload_all
.. autofunction:: undefer
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