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Clarified purpose of "Database backend API" backwards incompatible changes section.

This commit is contained in:
Tim Graham 2017-06-06 11:33:09 -04:00
parent fc13a697b4
commit 41e02ab368
2 changed files with 13 additions and 7 deletions
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3
docs/releases/1.11.txt
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@ -490,6 +490,9 @@ Backwards incompatible changes in 1.11
Database backend API
--------------------
This section describes changes that may be needed in third-party database
backends.
* The ``DatabaseOperations.time_trunc_sql()`` method is added to support
``TimeField`` truncation. It accepts a ``lookup_type`` and ``field_name``
arguments and returns the appropriate SQL to truncate the given time field

17
docs/releases/2.0.txt
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@ -280,6 +280,9 @@ bytestrings in certain code paths.
Database backend API
--------------------
This section describes changes that may be needed in third-party database
backends.
* The ``DatabaseOperations.datetime_cast_date_sql()``,
``datetime_cast_time_sql()``, ``datetime_trunc_sql()``, and
``datetime_extract_sql()`` methods now return only the SQL to perform the
@ -292,13 +295,6 @@ Database backend API
* The first argument of ``SchemaEditor._alter_column_type_sql()`` is now
``model`` rather than ``table``.
* To improve performance when streaming large result sets from the database,
:meth:`.QuerySet.iterator` now fetches 2000 rows at a time instead of 100.
The old behavior can be restored using the ``chunk_size`` parameter. For
example::
Book.objects.iterator(chunk_size=100)
Dropped support for Oracle 11.2
-------------------------------
@ -417,6 +413,13 @@ Miscellaneous
* The default size of the Oracle test tablespace is increased from 20M to 50M
and the default autoextend size is increased from 10M to 25M.
* To improve performance when streaming large result sets from the database,
:meth:`.QuerySet.iterator` now fetches 2000 rows at a time instead of 100.
The old behavior can be restored using the ``chunk_size`` parameter. For
example::
Book.objects.iterator(chunk_size=100)
.. _deprecated-features-2.0:
Features deprecated in 2.0