mirror of
https://github.com/django/django.git
synced 2024-12-22 17:16:24 +00:00
78 lines
2.7 KiB
Python
78 lines
2.7 KiB
Python
from django.contrib.gis.db import models
|
|
from django.db import connection
|
|
from django.db.models import Index
|
|
from django.test import TransactionTestCase
|
|
from django.test.utils import isolate_apps
|
|
|
|
from .models import City
|
|
|
|
|
|
class SchemaIndexesTests(TransactionTestCase):
|
|
available_apps = []
|
|
models = [City]
|
|
|
|
def get_indexes(self, table):
|
|
with connection.cursor() as cursor:
|
|
constraints = connection.introspection.get_constraints(cursor, table)
|
|
return {
|
|
name: constraint["columns"]
|
|
for name, constraint in constraints.items()
|
|
if constraint["index"]
|
|
}
|
|
|
|
def has_spatial_indexes(self, table):
|
|
if connection.ops.mysql:
|
|
with connection.cursor() as cursor:
|
|
return connection.introspection.supports_spatial_index(cursor, table)
|
|
elif connection.ops.oracle:
|
|
# Spatial indexes in Meta.indexes are not supported by the Oracle
|
|
# backend (see #31252).
|
|
return False
|
|
return True
|
|
|
|
def test_using_sql(self):
|
|
if not connection.ops.postgis:
|
|
self.skipTest("This is a PostGIS-specific test.")
|
|
index = Index(fields=["point"])
|
|
editor = connection.schema_editor()
|
|
self.assertIn(
|
|
"%s USING " % editor.quote_name(City._meta.db_table),
|
|
str(index.create_sql(City, editor)),
|
|
)
|
|
|
|
@isolate_apps("gis_tests.geoapp")
|
|
def test_namespaced_db_table(self):
|
|
if not connection.ops.postgis:
|
|
self.skipTest("PostGIS-specific test.")
|
|
|
|
class SchemaCity(models.Model):
|
|
point = models.PointField()
|
|
|
|
class Meta:
|
|
app_label = "geoapp"
|
|
db_table = 'django_schema"."geoapp_schema_city'
|
|
|
|
index = Index(fields=["point"])
|
|
editor = connection.schema_editor()
|
|
create_index_sql = str(index.create_sql(SchemaCity, editor))
|
|
self.assertIn(
|
|
"%s USING " % editor.quote_name(SchemaCity._meta.db_table),
|
|
create_index_sql,
|
|
)
|
|
self.assertIn(
|
|
'CREATE INDEX "geoapp_schema_city_point_9ed70651_id" ',
|
|
create_index_sql,
|
|
)
|
|
|
|
def test_index_name(self):
|
|
if not self.has_spatial_indexes(City._meta.db_table):
|
|
self.skipTest("Spatial indexes in Meta.indexes are not supported.")
|
|
index_name = "custom_point_index_name"
|
|
index = Index(fields=["point"], name=index_name)
|
|
with connection.schema_editor() as editor:
|
|
editor.add_index(City, index)
|
|
indexes = self.get_indexes(City._meta.db_table)
|
|
self.assertIn(index_name, indexes)
|
|
self.assertEqual(indexes[index_name], ["point"])
|
|
editor.remove_index(City, index)
|