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