mirror of https://github.com/django/django.git
1198 lines
48 KiB
Python
1198 lines
48 KiB
Python
import datetime
|
|
from unittest import mock
|
|
|
|
from django.contrib.postgres.indexes import OpClass
|
|
from django.db import IntegrityError, NotSupportedError, connection, transaction
|
|
from django.db.models import (
|
|
CheckConstraint,
|
|
Deferrable,
|
|
F,
|
|
Func,
|
|
IntegerField,
|
|
Q,
|
|
UniqueConstraint,
|
|
)
|
|
from django.db.models.fields.json import KeyTextTransform
|
|
from django.db.models.functions import Cast, Left, Lower
|
|
from django.test import ignore_warnings, modify_settings, skipUnlessDBFeature
|
|
from django.utils import timezone
|
|
from django.utils.deprecation import RemovedInDjango50Warning
|
|
|
|
from . import PostgreSQLTestCase
|
|
from .models import HotelReservation, IntegerArrayModel, RangesModel, Room, Scene
|
|
|
|
try:
|
|
from psycopg2.extras import DateRange, NumericRange
|
|
|
|
from django.contrib.postgres.constraints import ExclusionConstraint
|
|
from django.contrib.postgres.fields import (
|
|
DateTimeRangeField,
|
|
RangeBoundary,
|
|
RangeOperators,
|
|
)
|
|
except ImportError:
|
|
pass
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={"append": "django.contrib.postgres"})
|
|
class SchemaTests(PostgreSQLTestCase):
|
|
get_opclass_query = """
|
|
SELECT opcname, c.relname FROM pg_opclass AS oc
|
|
JOIN pg_index as i on oc.oid = ANY(i.indclass)
|
|
JOIN pg_class as c on c.oid = i.indexrelid
|
|
WHERE c.relname = %s
|
|
"""
|
|
|
|
def get_constraints(self, table):
|
|
"""Get the constraints on the table using a new cursor."""
|
|
with connection.cursor() as cursor:
|
|
return connection.introspection.get_constraints(cursor, table)
|
|
|
|
def test_check_constraint_range_value(self):
|
|
constraint_name = "ints_between"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = CheckConstraint(
|
|
check=Q(ints__contained_by=NumericRange(10, 30)),
|
|
name=constraint_name,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
RangesModel.objects.create(ints=(10, 30))
|
|
|
|
def test_check_constraint_daterange_contains(self):
|
|
constraint_name = "dates_contains"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = CheckConstraint(
|
|
check=Q(dates__contains=F("dates_inner")),
|
|
name=constraint_name,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
date_1 = datetime.date(2016, 1, 1)
|
|
date_2 = datetime.date(2016, 1, 4)
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(
|
|
dates=(date_1, date_2),
|
|
dates_inner=(date_1, date_2.replace(day=5)),
|
|
)
|
|
RangesModel.objects.create(
|
|
dates=(date_1, date_2),
|
|
dates_inner=(date_1, date_2),
|
|
)
|
|
|
|
def test_check_constraint_datetimerange_contains(self):
|
|
constraint_name = "timestamps_contains"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = CheckConstraint(
|
|
check=Q(timestamps__contains=F("timestamps_inner")),
|
|
name=constraint_name,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
datetime_1 = datetime.datetime(2016, 1, 1)
|
|
datetime_2 = datetime.datetime(2016, 1, 2, 12)
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(
|
|
timestamps=(datetime_1, datetime_2),
|
|
timestamps_inner=(datetime_1, datetime_2.replace(hour=13)),
|
|
)
|
|
RangesModel.objects.create(
|
|
timestamps=(datetime_1, datetime_2),
|
|
timestamps_inner=(datetime_1, datetime_2),
|
|
)
|
|
|
|
def test_opclass(self):
|
|
constraint = UniqueConstraint(
|
|
name="test_opclass",
|
|
fields=["scene"],
|
|
opclasses=["varchar_pattern_ops"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Scene, constraint)
|
|
self.assertIn(constraint.name, self.get_constraints(Scene._meta.db_table))
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(self.get_opclass_query, [constraint.name])
|
|
self.assertEqual(
|
|
cursor.fetchall(),
|
|
[("varchar_pattern_ops", constraint.name)],
|
|
)
|
|
# Drop the constraint.
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_constraint(Scene, constraint)
|
|
self.assertNotIn(constraint.name, self.get_constraints(Scene._meta.db_table))
|
|
|
|
def test_opclass_multiple_columns(self):
|
|
constraint = UniqueConstraint(
|
|
name="test_opclass_multiple",
|
|
fields=["scene", "setting"],
|
|
opclasses=["varchar_pattern_ops", "text_pattern_ops"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Scene, constraint)
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(self.get_opclass_query, [constraint.name])
|
|
expected_opclasses = (
|
|
("varchar_pattern_ops", constraint.name),
|
|
("text_pattern_ops", constraint.name),
|
|
)
|
|
self.assertCountEqual(cursor.fetchall(), expected_opclasses)
|
|
|
|
def test_opclass_partial(self):
|
|
constraint = UniqueConstraint(
|
|
name="test_opclass_partial",
|
|
fields=["scene"],
|
|
opclasses=["varchar_pattern_ops"],
|
|
condition=Q(setting__contains="Sir Bedemir's Castle"),
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Scene, constraint)
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(self.get_opclass_query, [constraint.name])
|
|
self.assertCountEqual(
|
|
cursor.fetchall(),
|
|
[("varchar_pattern_ops", constraint.name)],
|
|
)
|
|
|
|
@skipUnlessDBFeature("supports_covering_indexes")
|
|
def test_opclass_include(self):
|
|
constraint = UniqueConstraint(
|
|
name="test_opclass_include",
|
|
fields=["scene"],
|
|
opclasses=["varchar_pattern_ops"],
|
|
include=["setting"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Scene, constraint)
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(self.get_opclass_query, [constraint.name])
|
|
self.assertCountEqual(
|
|
cursor.fetchall(),
|
|
[("varchar_pattern_ops", constraint.name)],
|
|
)
|
|
|
|
@skipUnlessDBFeature("supports_expression_indexes")
|
|
def test_opclass_func(self):
|
|
constraint = UniqueConstraint(
|
|
OpClass(Lower("scene"), name="text_pattern_ops"),
|
|
name="test_opclass_func",
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Scene, constraint)
|
|
constraints = self.get_constraints(Scene._meta.db_table)
|
|
self.assertIs(constraints[constraint.name]["unique"], True)
|
|
self.assertIn(constraint.name, constraints)
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(self.get_opclass_query, [constraint.name])
|
|
self.assertEqual(
|
|
cursor.fetchall(),
|
|
[("text_pattern_ops", constraint.name)],
|
|
)
|
|
Scene.objects.create(scene="Scene 10", setting="The dark forest of Ewing")
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
Scene.objects.create(scene="ScEnE 10", setting="Sir Bedemir's Castle")
|
|
Scene.objects.create(scene="Scene 5", setting="Sir Bedemir's Castle")
|
|
# Drop the constraint.
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_constraint(Scene, constraint)
|
|
self.assertNotIn(constraint.name, self.get_constraints(Scene._meta.db_table))
|
|
Scene.objects.create(scene="ScEnE 10", setting="Sir Bedemir's Castle")
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={"append": "django.contrib.postgres"})
|
|
class ExclusionConstraintTests(PostgreSQLTestCase):
|
|
def get_constraints(self, table):
|
|
"""Get the constraints on the table using a new cursor."""
|
|
with connection.cursor() as cursor:
|
|
return connection.introspection.get_constraints(cursor, table)
|
|
|
|
def test_invalid_condition(self):
|
|
msg = "ExclusionConstraint.condition must be a Q instance."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
index_type="GIST",
|
|
name="exclude_invalid_condition",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
condition=F("invalid"),
|
|
)
|
|
|
|
def test_invalid_index_type(self):
|
|
msg = "Exclusion constraints only support GiST or SP-GiST indexes."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
index_type="gin",
|
|
name="exclude_invalid_index_type",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
)
|
|
|
|
def test_invalid_expressions(self):
|
|
msg = "The expressions must be a list of 2-tuples."
|
|
for expressions in (["foo"], [("foo")], [("foo_1", "foo_2", "foo_3")]):
|
|
with self.subTest(expressions), self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
index_type="GIST",
|
|
name="exclude_invalid_expressions",
|
|
expressions=expressions,
|
|
)
|
|
|
|
def test_empty_expressions(self):
|
|
msg = "At least one expression is required to define an exclusion constraint."
|
|
for empty_expressions in (None, []):
|
|
with self.subTest(empty_expressions), self.assertRaisesMessage(
|
|
ValueError, msg
|
|
):
|
|
ExclusionConstraint(
|
|
index_type="GIST",
|
|
name="exclude_empty_expressions",
|
|
expressions=empty_expressions,
|
|
)
|
|
|
|
def test_invalid_deferrable(self):
|
|
msg = "ExclusionConstraint.deferrable must be a Deferrable instance."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
name="exclude_invalid_deferrable",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
deferrable="invalid",
|
|
)
|
|
|
|
def test_deferrable_with_condition(self):
|
|
msg = "ExclusionConstraint with conditions cannot be deferred."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
name="exclude_invalid_condition",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
condition=Q(cancelled=False),
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
|
|
def test_invalid_include_type(self):
|
|
msg = "ExclusionConstraint.include must be a list or tuple."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
name="exclude_invalid_include",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
include="invalid",
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_invalid_opclasses_type(self):
|
|
msg = "ExclusionConstraint.opclasses must be a list or tuple."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
name="exclude_invalid_opclasses",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
opclasses="invalid",
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_opclasses_and_expressions_same_length(self):
|
|
msg = (
|
|
"ExclusionConstraint.expressions and "
|
|
"ExclusionConstraint.opclasses must have the same number of "
|
|
"elements."
|
|
)
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
ExclusionConstraint(
|
|
name="exclude_invalid_expressions_opclasses_length",
|
|
expressions=[(F("datespan"), RangeOperators.OVERLAPS)],
|
|
opclasses=["foo", "bar"],
|
|
)
|
|
|
|
def test_repr(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
(F("datespan"), RangeOperators.OVERLAPS),
|
|
(F("room"), RangeOperators.EQUAL),
|
|
],
|
|
)
|
|
self.assertEqual(
|
|
repr(constraint),
|
|
"<ExclusionConstraint: index_type='GIST' expressions=["
|
|
"(F(datespan), '&&'), (F(room), '=')] name='exclude_overlapping'>",
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[(F("datespan"), RangeOperators.ADJACENT_TO)],
|
|
condition=Q(cancelled=False),
|
|
index_type="SPGiST",
|
|
)
|
|
self.assertEqual(
|
|
repr(constraint),
|
|
"<ExclusionConstraint: index_type='SPGiST' expressions=["
|
|
"(F(datespan), '-|-')] name='exclude_overlapping' "
|
|
"condition=(AND: ('cancelled', False))>",
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[(F("datespan"), RangeOperators.ADJACENT_TO)],
|
|
deferrable=Deferrable.IMMEDIATE,
|
|
)
|
|
self.assertEqual(
|
|
repr(constraint),
|
|
"<ExclusionConstraint: index_type='GIST' expressions=["
|
|
"(F(datespan), '-|-')] name='exclude_overlapping' "
|
|
"deferrable=Deferrable.IMMEDIATE>",
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[(F("datespan"), RangeOperators.ADJACENT_TO)],
|
|
include=["cancelled", "room"],
|
|
)
|
|
self.assertEqual(
|
|
repr(constraint),
|
|
"<ExclusionConstraint: index_type='GIST' expressions=["
|
|
"(F(datespan), '-|-')] name='exclude_overlapping' "
|
|
"include=('cancelled', 'room')>",
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
(OpClass("datespan", name="range_ops"), RangeOperators.ADJACENT_TO),
|
|
],
|
|
)
|
|
self.assertEqual(
|
|
repr(constraint),
|
|
"<ExclusionConstraint: index_type='GIST' expressions=["
|
|
"(OpClass(F(datespan), name=range_ops), '-|-')] "
|
|
"name='exclude_overlapping'>",
|
|
)
|
|
|
|
def test_eq(self):
|
|
constraint_1 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
(F("datespan"), RangeOperators.OVERLAPS),
|
|
(F("room"), RangeOperators.EQUAL),
|
|
],
|
|
condition=Q(cancelled=False),
|
|
)
|
|
constraint_2 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
)
|
|
constraint_3 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[("datespan", RangeOperators.OVERLAPS)],
|
|
condition=Q(cancelled=False),
|
|
)
|
|
constraint_4 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
constraint_5 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
deferrable=Deferrable.IMMEDIATE,
|
|
)
|
|
constraint_6 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
deferrable=Deferrable.IMMEDIATE,
|
|
include=["cancelled"],
|
|
)
|
|
constraint_7 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
include=["cancelled"],
|
|
)
|
|
with ignore_warnings(category=RemovedInDjango50Warning):
|
|
constraint_8 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
include=["cancelled"],
|
|
opclasses=["range_ops", "range_ops"],
|
|
)
|
|
constraint_9 = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
opclasses=["range_ops", "range_ops"],
|
|
)
|
|
self.assertNotEqual(constraint_2, constraint_9)
|
|
self.assertNotEqual(constraint_7, constraint_8)
|
|
self.assertEqual(constraint_1, constraint_1)
|
|
self.assertEqual(constraint_1, mock.ANY)
|
|
self.assertNotEqual(constraint_1, constraint_2)
|
|
self.assertNotEqual(constraint_1, constraint_3)
|
|
self.assertNotEqual(constraint_1, constraint_4)
|
|
self.assertNotEqual(constraint_2, constraint_3)
|
|
self.assertNotEqual(constraint_2, constraint_4)
|
|
self.assertNotEqual(constraint_2, constraint_7)
|
|
self.assertNotEqual(constraint_4, constraint_5)
|
|
self.assertNotEqual(constraint_5, constraint_6)
|
|
self.assertNotEqual(constraint_1, object())
|
|
|
|
def test_deconstruct(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
)
|
|
path, args, kwargs = constraint.deconstruct()
|
|
self.assertEqual(
|
|
path, "django.contrib.postgres.constraints.ExclusionConstraint"
|
|
)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(
|
|
kwargs,
|
|
{
|
|
"name": "exclude_overlapping",
|
|
"expressions": [
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
},
|
|
)
|
|
|
|
def test_deconstruct_index_type(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
index_type="SPGIST",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
)
|
|
path, args, kwargs = constraint.deconstruct()
|
|
self.assertEqual(
|
|
path, "django.contrib.postgres.constraints.ExclusionConstraint"
|
|
)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(
|
|
kwargs,
|
|
{
|
|
"name": "exclude_overlapping",
|
|
"index_type": "SPGIST",
|
|
"expressions": [
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
},
|
|
)
|
|
|
|
def test_deconstruct_condition(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
condition=Q(cancelled=False),
|
|
)
|
|
path, args, kwargs = constraint.deconstruct()
|
|
self.assertEqual(
|
|
path, "django.contrib.postgres.constraints.ExclusionConstraint"
|
|
)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(
|
|
kwargs,
|
|
{
|
|
"name": "exclude_overlapping",
|
|
"expressions": [
|
|
("datespan", RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
"condition": Q(cancelled=False),
|
|
},
|
|
)
|
|
|
|
def test_deconstruct_deferrable(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[("datespan", RangeOperators.OVERLAPS)],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
path, args, kwargs = constraint.deconstruct()
|
|
self.assertEqual(
|
|
path, "django.contrib.postgres.constraints.ExclusionConstraint"
|
|
)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(
|
|
kwargs,
|
|
{
|
|
"name": "exclude_overlapping",
|
|
"expressions": [("datespan", RangeOperators.OVERLAPS)],
|
|
"deferrable": Deferrable.DEFERRED,
|
|
},
|
|
)
|
|
|
|
def test_deconstruct_include(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[("datespan", RangeOperators.OVERLAPS)],
|
|
include=["cancelled", "room"],
|
|
)
|
|
path, args, kwargs = constraint.deconstruct()
|
|
self.assertEqual(
|
|
path, "django.contrib.postgres.constraints.ExclusionConstraint"
|
|
)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(
|
|
kwargs,
|
|
{
|
|
"name": "exclude_overlapping",
|
|
"expressions": [("datespan", RangeOperators.OVERLAPS)],
|
|
"include": ("cancelled", "room"),
|
|
},
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_deconstruct_opclasses(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[("datespan", RangeOperators.OVERLAPS)],
|
|
opclasses=["range_ops"],
|
|
)
|
|
path, args, kwargs = constraint.deconstruct()
|
|
self.assertEqual(
|
|
path, "django.contrib.postgres.constraints.ExclusionConstraint"
|
|
)
|
|
self.assertEqual(args, ())
|
|
self.assertEqual(
|
|
kwargs,
|
|
{
|
|
"name": "exclude_overlapping",
|
|
"expressions": [("datespan", RangeOperators.OVERLAPS)],
|
|
"opclasses": ["range_ops"],
|
|
},
|
|
)
|
|
|
|
def _test_range_overlaps(self, constraint):
|
|
# Create exclusion constraint.
|
|
self.assertNotIn(
|
|
constraint.name, self.get_constraints(HotelReservation._meta.db_table)
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(HotelReservation, constraint)
|
|
self.assertIn(
|
|
constraint.name, self.get_constraints(HotelReservation._meta.db_table)
|
|
)
|
|
# Add initial reservations.
|
|
room101 = Room.objects.create(number=101)
|
|
room102 = Room.objects.create(number=102)
|
|
datetimes = [
|
|
timezone.datetime(2018, 6, 20),
|
|
timezone.datetime(2018, 6, 24),
|
|
timezone.datetime(2018, 6, 26),
|
|
timezone.datetime(2018, 6, 28),
|
|
timezone.datetime(2018, 6, 29),
|
|
]
|
|
HotelReservation.objects.create(
|
|
datespan=DateRange(datetimes[0].date(), datetimes[1].date()),
|
|
start=datetimes[0],
|
|
end=datetimes[1],
|
|
room=room102,
|
|
)
|
|
HotelReservation.objects.create(
|
|
datespan=DateRange(datetimes[1].date(), datetimes[3].date()),
|
|
start=datetimes[1],
|
|
end=datetimes[3],
|
|
room=room102,
|
|
)
|
|
# Overlap dates.
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
reservation = HotelReservation(
|
|
datespan=(datetimes[1].date(), datetimes[2].date()),
|
|
start=datetimes[1],
|
|
end=datetimes[2],
|
|
room=room102,
|
|
)
|
|
reservation.save()
|
|
# Valid range.
|
|
HotelReservation.objects.bulk_create(
|
|
[
|
|
# Other room.
|
|
HotelReservation(
|
|
datespan=(datetimes[1].date(), datetimes[2].date()),
|
|
start=datetimes[1],
|
|
end=datetimes[2],
|
|
room=room101,
|
|
),
|
|
# Cancelled reservation.
|
|
HotelReservation(
|
|
datespan=(datetimes[1].date(), datetimes[1].date()),
|
|
start=datetimes[1],
|
|
end=datetimes[2],
|
|
room=room102,
|
|
cancelled=True,
|
|
),
|
|
# Other adjacent dates.
|
|
HotelReservation(
|
|
datespan=(datetimes[3].date(), datetimes[4].date()),
|
|
start=datetimes[3],
|
|
end=datetimes[4],
|
|
room=room102,
|
|
),
|
|
]
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_range_overlaps_custom_opclasses(self):
|
|
class TsTzRange(Func):
|
|
function = "TSTZRANGE"
|
|
output_field = DateTimeRangeField()
|
|
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping_reservations_custom",
|
|
expressions=[
|
|
(TsTzRange("start", "end", RangeBoundary()), RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
condition=Q(cancelled=False),
|
|
opclasses=["range_ops", "gist_int4_ops"],
|
|
)
|
|
self._test_range_overlaps(constraint)
|
|
|
|
def test_range_overlaps_custom(self):
|
|
class TsTzRange(Func):
|
|
function = "TSTZRANGE"
|
|
output_field = DateTimeRangeField()
|
|
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping_reservations_custom_opclass",
|
|
expressions=[
|
|
(
|
|
OpClass(TsTzRange("start", "end", RangeBoundary()), "range_ops"),
|
|
RangeOperators.OVERLAPS,
|
|
),
|
|
(OpClass("room", "gist_int4_ops"), RangeOperators.EQUAL),
|
|
],
|
|
condition=Q(cancelled=False),
|
|
)
|
|
self._test_range_overlaps(constraint)
|
|
|
|
def test_range_overlaps(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping_reservations",
|
|
expressions=[
|
|
(F("datespan"), RangeOperators.OVERLAPS),
|
|
("room", RangeOperators.EQUAL),
|
|
],
|
|
condition=Q(cancelled=False),
|
|
)
|
|
self._test_range_overlaps(constraint)
|
|
|
|
def test_range_adjacent(self):
|
|
constraint_name = "ints_adjacent"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(ints=(10, 20))
|
|
RangesModel.objects.create(ints=(10, 19))
|
|
RangesModel.objects.create(ints=(51, 60))
|
|
# Drop the constraint.
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_constraint(RangesModel, constraint)
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
|
|
def test_expressions_with_params(self):
|
|
constraint_name = "scene_left_equal"
|
|
self.assertNotIn(constraint_name, self.get_constraints(Scene._meta.db_table))
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[(Left("scene", 4), RangeOperators.EQUAL)],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Scene, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(Scene._meta.db_table))
|
|
|
|
def test_expressions_with_key_transform(self):
|
|
constraint_name = "exclude_overlapping_reservations_smoking"
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[
|
|
(F("datespan"), RangeOperators.OVERLAPS),
|
|
(KeyTextTransform("smoking", "requirements"), RangeOperators.EQUAL),
|
|
],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(HotelReservation, constraint)
|
|
self.assertIn(
|
|
constraint_name,
|
|
self.get_constraints(HotelReservation._meta.db_table),
|
|
)
|
|
|
|
def test_index_transform(self):
|
|
constraint_name = "first_index_equal"
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("field__0", RangeOperators.EQUAL)],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(IntegerArrayModel, constraint)
|
|
self.assertIn(
|
|
constraint_name,
|
|
self.get_constraints(IntegerArrayModel._meta.db_table),
|
|
)
|
|
|
|
def test_range_adjacent_initially_deferred(self):
|
|
constraint_name = "ints_adjacent_deferred"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
adjacent_range = RangesModel.objects.create(ints=(10, 20))
|
|
# Constraint behavior can be changed with SET CONSTRAINTS.
|
|
with self.assertRaises(IntegrityError):
|
|
with transaction.atomic(), connection.cursor() as cursor:
|
|
quoted_name = connection.ops.quote_name(constraint_name)
|
|
cursor.execute("SET CONSTRAINTS %s IMMEDIATE" % quoted_name)
|
|
# Remove adjacent range before the end of transaction.
|
|
adjacent_range.delete()
|
|
RangesModel.objects.create(ints=(10, 19))
|
|
RangesModel.objects.create(ints=(51, 60))
|
|
|
|
@skipUnlessDBFeature("supports_covering_gist_indexes")
|
|
def test_range_adjacent_gist_include(self):
|
|
constraint_name = "ints_adjacent_gist_include"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="gist",
|
|
include=["decimals", "ints"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(ints=(10, 20))
|
|
RangesModel.objects.create(ints=(10, 19))
|
|
RangesModel.objects.create(ints=(51, 60))
|
|
|
|
@skipUnlessDBFeature("supports_covering_spgist_indexes")
|
|
def test_range_adjacent_spgist_include(self):
|
|
constraint_name = "ints_adjacent_spgist_include"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="spgist",
|
|
include=["decimals", "ints"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(ints=(10, 20))
|
|
RangesModel.objects.create(ints=(10, 19))
|
|
RangesModel.objects.create(ints=(51, 60))
|
|
|
|
@skipUnlessDBFeature("supports_covering_gist_indexes")
|
|
def test_range_adjacent_gist_include_condition(self):
|
|
constraint_name = "ints_adjacent_gist_include_condition"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="gist",
|
|
include=["decimals"],
|
|
condition=Q(id__gte=100),
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@skipUnlessDBFeature("supports_covering_spgist_indexes")
|
|
def test_range_adjacent_spgist_include_condition(self):
|
|
constraint_name = "ints_adjacent_spgist_include_condition"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="spgist",
|
|
include=["decimals"],
|
|
condition=Q(id__gte=100),
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@skipUnlessDBFeature("supports_covering_gist_indexes")
|
|
def test_range_adjacent_gist_include_deferrable(self):
|
|
constraint_name = "ints_adjacent_gist_include_deferrable"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="gist",
|
|
include=["decimals"],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@skipUnlessDBFeature("supports_covering_spgist_indexes")
|
|
def test_range_adjacent_spgist_include_deferrable(self):
|
|
constraint_name = "ints_adjacent_spgist_include_deferrable"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="spgist",
|
|
include=["decimals"],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
def test_gist_include_not_supported(self):
|
|
constraint_name = "ints_adjacent_gist_include_not_supported"
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="gist",
|
|
include=["id"],
|
|
)
|
|
msg = (
|
|
"Covering exclusion constraints using a GiST index require "
|
|
"PostgreSQL 12+."
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
with mock.patch(
|
|
"django.db.backends.postgresql.features.DatabaseFeatures."
|
|
"supports_covering_gist_indexes",
|
|
False,
|
|
):
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
editor.add_constraint(RangesModel, constraint)
|
|
|
|
def test_spgist_include_not_supported(self):
|
|
constraint_name = "ints_adjacent_spgist_include_not_supported"
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="spgist",
|
|
include=["id"],
|
|
)
|
|
msg = (
|
|
"Covering exclusion constraints using an SP-GiST index require "
|
|
"PostgreSQL 14+."
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
with mock.patch(
|
|
"django.db.backends.postgresql.features.DatabaseFeatures."
|
|
"supports_covering_spgist_indexes",
|
|
False,
|
|
):
|
|
with self.assertRaisesMessage(NotSupportedError, msg):
|
|
editor.add_constraint(RangesModel, constraint)
|
|
|
|
def test_range_adjacent_opclass(self):
|
|
constraint_name = "ints_adjacent_opclass"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[
|
|
(OpClass("ints", name="range_ops"), RangeOperators.ADJACENT_TO),
|
|
],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
constraints = self.get_constraints(RangesModel._meta.db_table)
|
|
self.assertIn(constraint_name, constraints)
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(SchemaTests.get_opclass_query, [constraint_name])
|
|
self.assertEqual(
|
|
cursor.fetchall(),
|
|
[("range_ops", constraint_name)],
|
|
)
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(ints=(10, 20))
|
|
RangesModel.objects.create(ints=(10, 19))
|
|
RangesModel.objects.create(ints=(51, 60))
|
|
# Drop the constraint.
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_constraint(RangesModel, constraint)
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
|
|
def test_range_adjacent_opclass_condition(self):
|
|
constraint_name = "ints_adjacent_opclass_condition"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[
|
|
(OpClass("ints", name="range_ops"), RangeOperators.ADJACENT_TO),
|
|
],
|
|
condition=Q(id__gte=100),
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
def test_range_adjacent_opclass_deferrable(self):
|
|
constraint_name = "ints_adjacent_opclass_deferrable"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[
|
|
(OpClass("ints", name="range_ops"), RangeOperators.ADJACENT_TO),
|
|
],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@skipUnlessDBFeature("supports_covering_gist_indexes")
|
|
def test_range_adjacent_gist_opclass_include(self):
|
|
constraint_name = "ints_adjacent_gist_opclass_include"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[
|
|
(OpClass("ints", name="range_ops"), RangeOperators.ADJACENT_TO),
|
|
],
|
|
index_type="gist",
|
|
include=["decimals"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@skipUnlessDBFeature("supports_covering_spgist_indexes")
|
|
def test_range_adjacent_spgist_opclass_include(self):
|
|
constraint_name = "ints_adjacent_spgist_opclass_include"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[
|
|
(OpClass("ints", name="range_ops"), RangeOperators.ADJACENT_TO),
|
|
],
|
|
index_type="spgist",
|
|
include=["decimals"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
def test_range_equal_cast(self):
|
|
constraint_name = "exclusion_equal_room_cast"
|
|
self.assertNotIn(constraint_name, self.get_constraints(Room._meta.db_table))
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[(Cast("number", IntegerField()), RangeOperators.EQUAL)],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(Room, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(Room._meta.db_table))
|
|
|
|
|
|
@modify_settings(INSTALLED_APPS={"append": "django.contrib.postgres"})
|
|
class ExclusionConstraintOpclassesDepracationTests(PostgreSQLTestCase):
|
|
def get_constraints(self, table):
|
|
"""Get the constraints on the table using a new cursor."""
|
|
with connection.cursor() as cursor:
|
|
return connection.introspection.get_constraints(cursor, table)
|
|
|
|
def test_warning(self):
|
|
msg = (
|
|
"The opclasses argument is deprecated in favor of using "
|
|
"django.contrib.postgres.indexes.OpClass in "
|
|
"ExclusionConstraint.expressions."
|
|
)
|
|
with self.assertWarnsMessage(RemovedInDjango50Warning, msg):
|
|
ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[(F("datespan"), RangeOperators.ADJACENT_TO)],
|
|
opclasses=["range_ops"],
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_repr(self):
|
|
constraint = ExclusionConstraint(
|
|
name="exclude_overlapping",
|
|
expressions=[(F("datespan"), RangeOperators.ADJACENT_TO)],
|
|
opclasses=["range_ops"],
|
|
)
|
|
self.assertEqual(
|
|
repr(constraint),
|
|
"<ExclusionConstraint: index_type='GIST' expressions=["
|
|
"(F(datespan), '-|-')] name='exclude_overlapping' "
|
|
"opclasses=['range_ops']>",
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_range_adjacent_opclasses(self):
|
|
constraint_name = "ints_adjacent_opclasses"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
opclasses=["range_ops"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
constraints = self.get_constraints(RangesModel._meta.db_table)
|
|
self.assertIn(constraint_name, constraints)
|
|
with editor.connection.cursor() as cursor:
|
|
cursor.execute(SchemaTests.get_opclass_query, [constraint.name])
|
|
self.assertEqual(
|
|
cursor.fetchall(),
|
|
[("range_ops", constraint.name)],
|
|
)
|
|
RangesModel.objects.create(ints=(20, 50))
|
|
with self.assertRaises(IntegrityError), transaction.atomic():
|
|
RangesModel.objects.create(ints=(10, 20))
|
|
RangesModel.objects.create(ints=(10, 19))
|
|
RangesModel.objects.create(ints=(51, 60))
|
|
# Drop the constraint.
|
|
with connection.schema_editor() as editor:
|
|
editor.remove_constraint(RangesModel, constraint)
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_range_adjacent_opclasses_condition(self):
|
|
constraint_name = "ints_adjacent_opclasses_condition"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
opclasses=["range_ops"],
|
|
condition=Q(id__gte=100),
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
def test_range_adjacent_opclasses_deferrable(self):
|
|
constraint_name = "ints_adjacent_opclasses_deferrable"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
opclasses=["range_ops"],
|
|
deferrable=Deferrable.DEFERRED,
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
@skipUnlessDBFeature("supports_covering_gist_indexes")
|
|
def test_range_adjacent_gist_opclasses_include(self):
|
|
constraint_name = "ints_adjacent_gist_opclasses_include"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="gist",
|
|
opclasses=["range_ops"],
|
|
include=["decimals"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|
|
|
|
@ignore_warnings(category=RemovedInDjango50Warning)
|
|
@skipUnlessDBFeature("supports_covering_spgist_indexes")
|
|
def test_range_adjacent_spgist_opclasses_include(self):
|
|
constraint_name = "ints_adjacent_spgist_opclasses_include"
|
|
self.assertNotIn(
|
|
constraint_name, self.get_constraints(RangesModel._meta.db_table)
|
|
)
|
|
constraint = ExclusionConstraint(
|
|
name=constraint_name,
|
|
expressions=[("ints", RangeOperators.ADJACENT_TO)],
|
|
index_type="spgist",
|
|
opclasses=["range_ops"],
|
|
include=["decimals"],
|
|
)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_constraint(RangesModel, constraint)
|
|
self.assertIn(constraint_name, self.get_constraints(RangesModel._meta.db_table))
|