2 files changed, 16 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb b/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb
index 6e6850c4a9..e361521155 100644
--- a/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/postgresql_adapter_test.rb
@@ -123,6 +123,20 @@ module ActiveRecord
         assert_equal expect.to_i, result.rows.first.first
       end
 
+      def test_exec_insert_default_values_with_returning_disabled_and_no_sequence_name_given
+        connection = connection_without_insert_returning
+        result = connection.exec_insert("insert into postgresql_partitioned_table_parent DEFAULT VALUES", nil, [], 'id')
+        expect = connection.query('select max(id) from postgresql_partitioned_table_parent').first.first
+        assert_equal expect.to_i, result.rows.first.first
+      end
+
+      def test_exec_insert_default_values_quoted_schema_with_returning_disabled_and_no_sequence_name_given
+        connection = connection_without_insert_returning
+        result = connection.exec_insert('insert into "public"."postgresql_partitioned_table_parent" DEFAULT VALUES', nil, [], 'id')
+        expect = connection.query('select max(id) from postgresql_partitioned_table_parent').first.first
+        assert_equal expect.to_i, result.rows.first.first
+      end
+
       def test_sql_for_insert_with_returning_disabled
         connection = connection_without_insert_returning
         result = connection.sql_for_insert('sql', nil, nil, nil, 'binds')
diff --git a/activerecord/test/cases/adapters/postgresql/schema_test.rb b/activerecord/test/cases/adapters/postgresql/schema_test.rb
index bee612d8d3..f89a394f96 100644
--- a/activerecord/test/cases/adapters/postgresql/schema_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/schema_test.rb
@@ -5,9 +5,11 @@ require 'support/schema_dumping_helper'
 module PGSchemaHelper
   def with_schema_search_path(schema_search_path)
     @connection.schema_search_path = schema_search_path
+    @connection.schema_cache.clear!
     yield if block_given?
   ensure
     @connection.schema_search_path = "'$user', public"
+    @connection.schema_cache.clear!
   end
 end