Make sure subtransaction test actually tests something

I accidentally broke rollback while working and this test did not catch
it due to not even using tde_heap.

Author: jeltz

contrib/pg_tde/expected/subtransaction.out

@@ -11,20 +11,20 @@ SELECT pg_tde_set_key_using_database_key_provider('test-db-key','file-vault');
 
 (1 row)
 
-BEGIN;                      -- Nesting level 1
+BEGIN;                                   -- Nesting level 1
 SAVEPOINT sp;
-CREATE TABLE foo(s TEXT);   -- Nesting level 2
+CREATE TABLE foo(s TEXT) USING tde_heap; -- Nesting level 2
 RELEASE SAVEPOINT sp;
 SAVEPOINT sp;
-CREATE TABLE bar(s TEXT);   -- Nesting level 2
-ROLLBACK TO sp;             -- Rollback should not affect first subtransaction
+CREATE TABLE bar(s TEXT) USING tde_heap; -- Nesting level 2
+ROLLBACK TO sp;                          -- Rollback should not affect first subtransaction
 COMMIT;
-BEGIN;                      -- Nesting level 1
+BEGIN;                                   -- Nesting level 1
 SAVEPOINT sp;
-DROP TABLE foo;             -- Nesting level 2
+DROP TABLE foo;                          -- Nesting level 2
 RELEASE SAVEPOINT sp;
 SAVEPOINT sp;
-CREATE TABLE bar(s TEXT);   -- Nesting level 2
-ROLLBACK TO sp;             -- Rollback should not affect first subtransaction
+CREATE TABLE bar(s TEXT) USING tde_heap; -- Nesting level 2
+ROLLBACK TO sp;                          -- Rollback should not affect first subtransaction
 COMMIT;
 DROP EXTENSION pg_tde;

contrib/pg_tde/sql/subtransaction.sql

@@ -3,23 +3,22 @@ CREATE EXTENSION IF NOT EXISTS pg_tde;
 SELECT pg_tde_add_database_key_provider_file('file-vault','/tmp/pg_tde_test_keyring.per');
 SELECT pg_tde_set_key_using_database_key_provider('test-db-key','file-vault');
 
-
-BEGIN;                      -- Nesting level 1
+BEGIN;                                   -- Nesting level 1
 SAVEPOINT sp;
-CREATE TABLE foo(s TEXT);   -- Nesting level 2
+CREATE TABLE foo(s TEXT) USING tde_heap; -- Nesting level 2
 RELEASE SAVEPOINT sp;
 SAVEPOINT sp;
-CREATE TABLE bar(s TEXT);   -- Nesting level 2
-ROLLBACK TO sp;             -- Rollback should not affect first subtransaction
+CREATE TABLE bar(s TEXT) USING tde_heap; -- Nesting level 2
+ROLLBACK TO sp;                          -- Rollback should not affect first subtransaction
 COMMIT;
 
-BEGIN;                      -- Nesting level 1
+BEGIN;                                   -- Nesting level 1
 SAVEPOINT sp;
-DROP TABLE foo;             -- Nesting level 2
+DROP TABLE foo;                          -- Nesting level 2
 RELEASE SAVEPOINT sp;
 SAVEPOINT sp;
-CREATE TABLE bar(s TEXT);   -- Nesting level 2
-ROLLBACK TO sp;             -- Rollback should not affect first subtransaction
+CREATE TABLE bar(s TEXT) USING tde_heap; -- Nesting level 2
+ROLLBACK TO sp;                          -- Rollback should not affect first subtransaction
 COMMIT;
 
 DROP EXTENSION pg_tde;