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Fixed #33342 -- Added support for using OpClass() in exclusion constraints.

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This commit is contained in:
Hannes Ljungberg
2021-11-03 22:21:50 +01:00
committed by Mariusz Felisiak
parent a0d43a7a6e
commit 0e656c02fe
5 changed files with 114 additions and 28 deletions
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18
docs/ref/contrib/postgres/constraints.txt
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@@ -53,6 +53,10 @@ operators with strings. For example::
Only commutative operators can be used in exclusion constraints.
.. versionchanged:: 4.1
Support for the ``OpClass()`` expression was added.
``index_type``
--------------
@@ -143,6 +147,20 @@ For example::
creates an exclusion constraint on ``circle`` using ``circle_ops``.
Alternatively, you can use
:class:`OpClass() <django.contrib.postgres.indexes.OpClass>` in
:attr:`~ExclusionConstraint.expressions`::
ExclusionConstraint(
name='exclude_overlapping_opclasses',
expressions=[(OpClass('circle', 'circle_ops'), RangeOperators.OVERLAPS)],
)
.. versionchanged:: 4.1
Support for specifying operator classes with the ``OpClass()`` expression
was added.
Examples
--------