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Diffstat (limited to 'doc/build/orm/tutorial.rst')
| -rw-r--r-- | doc/build/orm/tutorial.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/doc/build/orm/tutorial.rst b/doc/build/orm/tutorial.rst index 0a9fc7430..cd5536b7a 100644 --- a/doc/build/orm/tutorial.rst +++ b/doc/build/orm/tutorial.rst @@ -148,7 +148,7 @@ is described in detail at :ref:`declarative_mixins`. When our class is constructed, Declarative replaces all the :class:`.Column` objects with special Python accessors known as :term:`descriptors`; this is a process known as :term:`instrumentation`. The "instrumented" mapped class -will provide us with the means to refer to our table in a SQL context as well +will provide us with the means to refer to our table in an SQL context as well as to persist and load the values of columns from the database. Outside of what the mapping process does to our class, the class remains @@ -1429,7 +1429,7 @@ get rows back for those users who don't have any addresses, e.g.:: ON users.id=adr_count.user_id Using the :class:`~sqlalchemy.orm.query.Query`, we build a statement like this -from the inside out. The ``statement`` accessor returns a SQL expression +from the inside out. The ``statement`` accessor returns an SQL expression representing the statement generated by a particular :class:`~sqlalchemy.orm.query.Query` - this is an instance of a :func:`~.expression.select` construct, which are described in :ref:`sqlexpression_toplevel`:: @@ -1440,7 +1440,7 @@ construct, which are described in :ref:`sqlexpression_toplevel`:: ... group_by(Address.user_id).subquery() The ``func`` keyword generates SQL functions, and the ``subquery()`` method on -:class:`~sqlalchemy.orm.query.Query` produces a SQL expression construct +:class:`~sqlalchemy.orm.query.Query` produces an SQL expression construct representing a SELECT statement embedded within an alias (it's actually shorthand for ``query.statement.alias()``). |