Fixed #31579 -- Dropped support for PostgreSQL 9.5 and PostGIS 2.2.

tests/postgres_tests/migrations/0001_setup_extensions.py

@@ -1,6 +1,6 @@
 from unittest import mock
 
-from django.db import connection, migrations
+from django.db import migrations
 
 try:
     from django.contrib.postgres.operations import (
@@ -23,11 +23,7 @@ except ImportError:
 class Migration(migrations.Migration):
 
     operations = [
-        (
-            BloomExtension()
-            if getattr(connection.features, 'has_bloom_index', False)
-            else mock.Mock()
-        ),
+        BloomExtension(),
         BtreeGinExtension(),
         BtreeGistExtension(),
         CITextExtension(),

tests/postgres_tests/test_indexes.py

@@ -260,7 +260,6 @@ class SchemaTests(PostgreSQLTestCase):
             editor.remove_index(IntegerArrayModel, index)
         self.assertNotIn(index_name, self.get_constraints(IntegerArrayModel._meta.db_table))
 
-    @skipUnlessDBFeature('has_bloom_index')
     def test_bloom_index(self):
         index_name = 'char_field_model_field_bloom'
         index = BloomIndex(fields=['field'], name=index_name)
@@ -272,7 +271,6 @@ class SchemaTests(PostgreSQLTestCase):
             editor.remove_index(CharFieldModel, index)
         self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
 
-    @skipUnlessDBFeature('has_bloom_index')
     def test_bloom_parameters(self):
         index_name = 'char_field_model_field_bloom_params'
         index = BloomIndex(fields=['field'], name=index_name, length=512, columns=[3])
@@ -285,16 +283,6 @@ class SchemaTests(PostgreSQLTestCase):
             editor.remove_index(CharFieldModel, index)
         self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
 
-    def test_bloom_index_not_supported(self):
-        index_name = 'bloom_index_exception'
-        index = BloomIndex(fields=['field'], name=index_name)
-        msg = 'Bloom indexes require PostgreSQL 9.6+.'
-        with self.assertRaisesMessage(NotSupportedError, msg):
-            with mock.patch('django.db.backends.postgresql.features.DatabaseFeatures.has_bloom_index', False):
-                with connection.schema_editor() as editor:
-                    editor.add_index(CharFieldModel, index)
-        self.assertNotIn(index_name, self.get_constraints(CharFieldModel._meta.db_table))
-
     def test_brin_index(self):
         index_name = 'char_field_model_field_brin'
         index = BrinIndex(fields=['field'], name=index_name, pages_per_range=4)

tests/postgres_tests/test_search.py

@@ -195,7 +195,6 @@ class MultipleFieldsTest(GrailTestData, PostgreSQLTestCase):
         ).filter(search=str(self.crowd.id))
         self.assertSequenceEqual(searched, [self.crowd])
 
-    @skipUnlessDBFeature('has_phraseto_tsquery')
     def test_phrase_search(self):
         line_qs = Line.objects.annotate(search=SearchVector('dialogue'))
         searched = line_qs.filter(search=SearchQuery('burned body his away', search_type='phrase'))
@@ -203,7 +202,6 @@ class MultipleFieldsTest(GrailTestData, PostgreSQLTestCase):
         searched = line_qs.filter(search=SearchQuery('his body burned away', search_type='phrase'))
         self.assertSequenceEqual(searched, [self.verse1])
 
-    @skipUnlessDBFeature('has_phraseto_tsquery')
     def test_phrase_search_with_config(self):
         line_qs = Line.objects.annotate(
             search=SearchVector('scene__setting', 'dialogue', config='french'),
@@ -386,7 +384,6 @@ class TestCombinations(GrailTestData, PostgreSQLTestCase):
         )
         self.assertSequenceEqual(searched, [self.verse2])
 
-    @skipUnlessDBFeature('has_phraseto_tsquery')
     def test_combine_raw_phrase(self):
         searched = Line.objects.filter(
             dialogue__search=(