mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-10-31 09:41:08 +00:00
Code Issues 32 Releases Wiki Activity

Refs #33342 -- Removed ExclusionConstraint.opclasses per deprecation timeline.

Browse Source
This commit is contained in:
Mariusz Felisiak
2023-01-12 13:20:08 +01:00
parent 6eb714d21c
commit df743c9b4b
5 changed files with 8 additions and 278 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
docs/ref/contrib/postgres/constraints.txt
View File

@@ -12,7 +12,7 @@ PostgreSQL supports additional data integrity constraints available from the
``ExclusionConstraint``
=======================
.. class:: ExclusionConstraint(*, name, expressions, index_type=None, condition=None, deferrable=None, include=None, opclasses=(), violation_error_message=None)
.. class:: ExclusionConstraint(*, name, expressions, index_type=None, condition=None, deferrable=None, include=None, violation_error_message=None)
Creates an exclusion constraint in the database. Internally, PostgreSQL
implements exclusion constraints using indexes. The default index type is
@@ -133,32 +133,6 @@ used for queries that select only included fields
``include`` is supported for GiST indexes. PostgreSQL 14+ also supports
``include`` for SP-GiST indexes.
``opclasses``
-------------
.. attribute:: ExclusionConstraint.opclasses
The names of the `PostgreSQL operator classes
<https://www.postgresql.org/docs/current/indexes-opclass.html>`_ to use for
this constraint. If you require a custom operator class, you must provide one
for each expression in the constraint.
For example::
ExclusionConstraint(
name='exclude_overlapping_opclasses',
expressions=[('circle', RangeOperators.OVERLAPS)],
opclasses=['circle_ops'],
)
creates an exclusion constraint on ``circle`` using ``circle_ops``.
.. deprecated:: 4.1
The ``opclasses`` parameter is deprecated in favor of using
:class:`OpClass() <django.contrib.postgres.indexes.OpClass>` in
:attr:`~ExclusionConstraint.expressions`.
``violation_error_message``
---------------------------