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Code Issues 32 Releases Wiki Activity

Fixed #34080 -- Fixed __exact lookup when nested arrays contain only NULL values.

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Thanks jerch and David Sanders for reviews.
This commit is contained in:
Ion Alberdi
2022-10-09 11:01:14 +02:00
committed by Mariusz Felisiak
parent 34d63d5a41
commit 3dc9f3ac69
2 changed files with 28 additions and 1 deletions
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11
django/contrib/postgres/fields/array.py
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@@ -237,7 +237,9 @@ class ArrayField(CheckFieldDefaultMixin, Field):
class ArrayRHSMixin:
def __init__(self, lhs, rhs):
if isinstance(rhs, (tuple, list)):
# Don't wrap arrays that contains only None values, psycopg2 doesn't
# allow this.
if isinstance(rhs, (tuple, list)) and any(self._rhs_not_none_values(rhs)):
expressions = []
for value in rhs:
if not hasattr(value, "resolve_expression"):
@@ -256,6 +258,13 @@ class ArrayRHSMixin:
cast_type = self.lhs.output_field.cast_db_type(connection)
return "%s::%s" % (rhs, cast_type), rhs_params
def _rhs_not_none_values(self, rhs):
for x in rhs:
if isinstance(x, (list, tuple)):
yield from self._rhs_not_none_values(x)
elif x is not None:
yield True
@ArrayField.register_lookup
class ArrayContains(ArrayRHSMixin, lookups.DataContains):