Fixed #23878 -- Moved Query and Prefetch documentation

docs/index.txt

@@ -67,7 +67,6 @@ manipulating the data of your Web application. Learn more about it below:
 * **QuerySets:**
   :doc:`Executing queries <topics/db/queries>` |
   :doc:`QuerySet method reference <ref/models/querysets>` |
-  :doc:`Query-related classes <ref/models/queries>` |
   :doc:`Lookup expressions <ref/models/lookups>`
 
 * **Model instances:**

docs/ref/models/index.txt

@@ -14,7 +14,6 @@ Model API reference. For introductory material, see :doc:`/topics/db/models`.
    options
    instances
    querysets
-   queries
    lookups
    expressions
    database-functions

docs/ref/models/queries.txt

@@ -1,51 +0,0 @@
-=====================
-Query-related classes
-=====================
-
-.. currentmodule:: django.db.models
-
-This document provides reference material for query-related tools not
-documented elsewhere.
-
-``Q()`` objects
-===============
-
-.. class:: Q
-
-A ``Q()`` object, like an :class:`~django.db.models.F` object, encapsulates a
-SQL expression in a Python object that can be used in database-related
-operations.
-
-In general, ``Q() objects`` make it possible to define and reuse conditions.
-This permits the :ref:`construction of complex database queries
-<complex-lookups-with-q>` using ``|`` (``OR``) and ``&`` (``AND``) operators;
-in particular, it is not otherwise possible to use ``OR`` in ``QuerySets``.
-
-``Prefetch()`` objects
-======================
-
-.. versionadded:: 1.7
-
-.. class:: Prefetch(lookup, queryset=None, to_attr=None)
-
-The ``Prefetch()`` object can be used to control the operation of
-:meth:`~django.db.models.query.QuerySet.prefetch_related()`.
-
-The ``lookup`` argument describes the relations to follow and works the same
-as the string based lookups passed to
-:meth:`~django.db.models.query.QuerySet.prefetch_related()`.
-
-The ``queryset`` argument supplies a base ``QuerySet`` for the given lookup.
-This is useful to further filter down the prefetch operation, or to call
-:meth:`~django.db.models.query.QuerySet.select_related()` from the prefetched
-relation, hence reducing the number of queries even further.
-
-The ``to_attr`` argument sets the result of the prefetch operation to a custom
-attribute.
-
-.. note::
-
-    When using ``to_attr`` the prefetched result is stored in a list.
-    This can provide a significant speed improvement over traditional
-    ``prefetch_related`` calls which store the cached result within a
-    ``QuerySet`` instance.

docs/ref/models/querysets.txt

@@ -180,6 +180,9 @@ The lookup parameters (``**kwargs``) should be in the format described in
 `Field lookups`_ below. Multiple parameters are joined via ``AND`` in the
 underlying SQL statement.
 
+If you need to execute more complex queries (for example, queries with ``OR`` statements),
+you can use :class:`Q objects <django.db.models.Q>`.
+
 exclude
 ~~~~~~~
 
@@ -215,6 +218,9 @@ In SQL terms, that evaluates to::
 
 Note the second example is more restrictive.
 
+If you need to execute more complex queries (for example, queries with ``OR`` statements),
+you can use :class:`Q objects <django.db.models.Q>`.
+
 annotate
 ~~~~~~~~
 
@@ -2843,3 +2849,52 @@ Variance
         extension.
 
 .. _SQLite documentation: http://www.sqlite.org/contrib
+
+Query-related classes
+=====================
+
+This section provides reference material for query-related tools not documented
+elsewhere.
+
+``Q()`` objects
+---------------
+
+.. class:: Q
+
+A ``Q()`` object, like an :class:`~django.db.models.F` object, encapsulates a
+SQL expression in a Python object that can be used in database-related
+operations.
+
+In general, ``Q() objects`` make it possible to define and reuse conditions.
+This permits the :ref:`construction of complex database queries
+<complex-lookups-with-q>` using ``|`` (``OR``) and ``&`` (``AND``) operators;
+in particular, it is not otherwise possible to use ``OR`` in ``QuerySets``.
+
+``Prefetch()`` objects
+----------------------
+
+.. versionadded:: 1.7
+
+.. class:: Prefetch(lookup, queryset=None, to_attr=None)
+
+The ``Prefetch()`` object can be used to control the operation of
+:meth:`~django.db.models.query.QuerySet.prefetch_related()`.
+
+The ``lookup`` argument describes the relations to follow and works the same
+as the string based lookups passed to
+:meth:`~django.db.models.query.QuerySet.prefetch_related()`.
+
+The ``queryset`` argument supplies a base ``QuerySet`` for the given lookup.
+This is useful to further filter down the prefetch operation, or to call
+:meth:`~django.db.models.query.QuerySet.select_related()` from the prefetched
+relation, hence reducing the number of queries even further.
+
+The ``to_attr`` argument sets the result of the prefetch operation to a custom
+attribute.
+
+.. note::
+
+    When using ``to_attr`` the prefetched result is stored in a list. This can
+    provide a significant speed improvement over traditional
+    ``prefetch_related`` calls which store the cached result within a
+    ``QuerySet`` instance.