42 lines
1.8 KiB
Diff
42 lines
1.8 KiB
Diff
diff -Naur a/django/db/backends/base/operations.py b/django/db/backends/base/operations.py
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--- a/django/db/backends/base/operations.py 2022-12-06 17:12:38.000000000 +0800
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+++ b/django/db/backends/base/operations.py 2022-12-09 11:49:05.347986919 +0800
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@@ -9,6 +9,7 @@
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from django.db.backends import utils
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from django.utils import timezone
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from django.utils.encoding import force_str
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+from django.utils.regex_helper import _lazy_re_compile
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class BaseDatabaseOperations:
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@@ -53,6 +54,8 @@
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# Prefix for EXPLAIN queries, or None EXPLAIN isn't supported.
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explain_prefix = None
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+ extract_trunc_lookup_pattern = _lazy_re_compile(r"[\w\-_()]+")
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+
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def __init__(self, connection):
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self.connection = connection
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diff -Naur a/django/db/models/functions/datetime.py b/django/db/models/functions/datetime.py
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--- a/django/db/models/functions/datetime.py 2022-12-06 17:12:38.000000000 +0800
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+++ b/django/db/models/functions/datetime.py 2022-12-09 11:50:50.011981885 +0800
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@@ -51,6 +51,8 @@
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super().__init__(expression, **extra)
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def as_sql(self, compiler, connection):
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+ if not connection.ops.extract_trunc_lookup_pattern.fullmatch(self.lookup_name):
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+ raise ValueError("Invalid lookup_name: %s" % self.lookup_name)
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sql, params = compiler.compile(self.lhs)
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lhs_output_field = self.lhs.output_field
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if isinstance(lhs_output_field, DateTimeField):
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@@ -243,6 +245,8 @@
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super().__init__(expression, output_field=output_field, **extra)
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def as_sql(self, compiler, connection):
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+ if not connection.ops.extract_trunc_lookup_pattern.fullmatch(self.kind):
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+ raise ValueError("Invalid kind: %s" % self.kind)
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sql, params = compiler.compile(self.lhs)
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tzname = None
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if isinstance(self.lhs.output_field, DateTimeField):
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