MVCC: creating a table with an incorrect constraint could cause strange errors.

h2/src/main/org/h2/command/ddl/CreateTable.java

@@ -179,6 +179,7 @@ public class CreateTable extends SchemaCommand {
         } catch (DbException e) {
             db.checkPowerOff();
             db.removeSchemaObject(session, table);
+            session.commit(true);
             throw e;
         }
         return 0;

h2/src/test/org/h2/test/mvcc/TestMvcc1.java

@@ -33,8 +33,8 @@ public class TestMvcc1 extends TestBase {
     }
 
     public void test() throws SQLException {
-        testSetMode();
         testCases();
+        testSetMode();
         deleteDb("mvcc1");
     }
 
@@ -93,6 +93,16 @@ public class TestMvcc1 extends TestBase {
         c1.setAutoCommit(false);
         c2.setAutoCommit(false);
 
+        // table rollback problem
+        try {
+            s1.execute("create table b(primary key(x))");
+            fail();
+        } catch (SQLException e) {
+            // ok
+        }
+        s1.execute("create table a(id int as 1 unique)");
+        s1.execute("drop table a");
+
         // update same key problem
         s1.execute("CREATE TABLE TEST(ID INT, NAME VARCHAR, PRIMARY KEY(ID))");
         s1.execute("INSERT INTO TEST VALUES(1, 'Hello')");