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Code Issues 25 Releases Wiki Activity

Used NotSupportedError instead of DatabaseError in SQLCompiler.as_sql().

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This commit is contained in:
Mariusz Felisiak 2017-04-10 18:49:27 +02:00 committed by Tim Graham
parent d825ac6dfa
commit 054a44d6f0
4 changed files with 11 additions and 11 deletions
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2
django/db/backends/oracle/compiler.py
View File

@ -20,7 +20,7 @@ class SQLCompiler(compiler.SQLCompiler):
sql, params = super().as_sql(with_limits=False, with_col_aliases=with_col_aliases)
elif not self.connection.features.supports_select_for_update_with_limit and self.query.select_for_update:
raise NotSupportedError(
'LIMIT/OFFSET not supported with select_for_update on this '
'LIMIT/OFFSET is not supported with select_for_update on this '
'database backend.'
)
else:

10
django/db/models/sql/compiler.py
View File

@ -430,7 +430,7 @@ class SQLCompiler:
features = self.connection.features
if combinator:
if not getattr(features, 'supports_select_{}'.format(combinator)):
raise DatabaseError('{} not supported on this database backend.'.format(combinator))
raise NotSupportedError('{} is not supported on this database backend.'.format(combinator))
result, params = self.get_combinator_sql(combinator, self.query.combinator_all)
else:
result = ['SELECT']
@ -462,8 +462,8 @@ class SQLCompiler:
if with_limits and not self.connection.features.supports_select_for_update_with_limit:
raise NotSupportedError(
'LIMIT/OFFSET not supported with select_for_update'
' on this database backend.'
'LIMIT/OFFSET is not supported with '
'select_for_update on this database backend.'
)
nowait = self.query.select_for_update_nowait
skip_locked = self.query.select_for_update_skip_locked
@ -471,9 +471,9 @@ class SQLCompiler:
# doesn't support it, raise a DatabaseError to prevent a
# possible deadlock.
if nowait and not self.connection.features.has_select_for_update_nowait:
raise DatabaseError('NOWAIT is not supported on this database backend.')
raise NotSupportedError('NOWAIT is not supported on this database backend.')
elif skip_locked and not self.connection.features.has_select_for_update_skip_locked:
raise DatabaseError('SKIP LOCKED is not supported on this database backend.')
raise NotSupportedError('SKIP LOCKED is not supported on this database backend.')
for_update_part = self.connection.ops.for_update_sql(nowait=nowait, skip_locked=skip_locked)
if for_update_part and self.connection.features.for_update_after_from:

6
tests/queries/test_qs_combinators.py
View File

@ -1,5 +1,5 @@
from django.db.models import F, IntegerField, Value
from django.db.utils import DatabaseError
from django.db.utils import DatabaseError, NotSupportedError
from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
from .models import Number, ReservedName
@ -73,8 +73,8 @@ class QuerySetSetOperationTests(TestCase):
def test_unsupported_intersection_raises_db_error(self):
qs1 = Number.objects.all()
qs2 = Number.objects.all()
msg = 'intersection not supported on this database backend'
with self.assertRaisesMessage(DatabaseError, msg):
msg = 'intersection is not supported on this database backend'
with self.assertRaisesMessage(NotSupportedError, msg):
list(qs1.intersection(qs2))
def test_combining_multiple_models(self):

4
tests/select_for_update/tests.py
View File

@ -137,7 +137,7 @@ class SelectForUpdateTests(TransactionTestCase):
DatabaseError is raised if a SELECT...FOR UPDATE NOWAIT is run on
a database backend that supports FOR UPDATE but not NOWAIT.
"""
with self.assertRaisesMessage(DatabaseError, 'NOWAIT is not supported on this database backend.'):
with self.assertRaisesMessage(NotSupportedError, 'NOWAIT is not supported on this database backend.'):
with transaction.atomic():
Person.objects.select_for_update(nowait=True).get()
@ -148,7 +148,7 @@ class SelectForUpdateTests(TransactionTestCase):
DatabaseError is raised if a SELECT...FOR UPDATE SKIP LOCKED is run on
a database backend that supports FOR UPDATE but not SKIP LOCKED.
"""
with self.assertRaisesMessage(DatabaseError, 'SKIP LOCKED is not supported on this database backend.'):
with self.assertRaisesMessage(NotSupportedError, 'SKIP LOCKED is not supported on this database backend.'):
with transaction.atomic():
Person.objects.select_for_update(skip_locked=True).get()