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[3.1.x] Fixed #31835 -- Dropped support for JSONField __contains lookup on Oracle.

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The current implementation works only for basic examples without
supporting nested structures and doesn't follow "the general principle
that the contained object must match the containing object as to
structure and data contents, possibly after discarding some
non-matching array elements or object key/value pairs from the
containing object".
Backport of 02447fb133 from master
This commit is contained in:
Mariusz Felisiak 2020-07-28 11:54:01 +02:00
parent 3116444559
commit 028a5f86f2
3 changed files with 22 additions and 20 deletions
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4
docs/topics/db/queries.txt
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@ -960,6 +960,10 @@ contained in the top-level of the field. For example::
>>> Dog.objects.filter(data__contains={'breed': 'collie'})
<QuerySet [<Dog: Meg>]>
.. admonition:: Oracle
``contains`` is not supported on Oracle.
.. fieldlookup:: jsonfield.contained_by
``contained_by``