/* 
 * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; version 2 of the
 * License.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

#include "testgrt.h"
#include "backend/db_rev_eng_be.h"
#include "module_db_mysql.h"

#include "diff/changelistobjects.h"
#include "grtdb/db_helpers.h"
#include "wb_helpers.h"

using namespace std;
using namespace tut;

#define VERBOSE_TESTING 0

#define DATABASE_TESTS 1
#define TABLE_TESTS    1
#define TABLE_PARTITION_TESTS    1
#define VIEW_TESTS     1
#define ROUTINE_TESTS  1
#define TRIGGER_TESTS  1
#define CREATE_TESTS   1

BEGIN_TEST_DATA_CLASS(grtdiff_alter_test)
protected:
  WBTester tester;
  SqlFacade::Ref sql_parser;
  DbMySQLImpl* diffsql_module;
  grt::DbObjectMatchAlterOmf omf;
  sql::ConnectionWrapper connection;

  TEST_DATA_CONSTRUCTOR(grtdiff_alter_test)
  {
      omf.dontdiff_mask = 3;
      diffsql_module= tester.grt->get_native_module<DbMySQLImpl>();
      ensure("DiffSQLGen module initialization", NULL != diffsql_module);

      // init datatypes
      populate_grt(tester.grt, tester);

      std::string target_version = tester.wb->get_grt_manager()->get_app_option_string("DefaultTargetMySQLVersion");
      if (target_version.empty())
        target_version = "5.5";
      tester.get_rdbms()->version(parse_version(tester.grt, target_version));

      // init database connection
      connection= tester.create_connection_for_import();

      sql_parser= SqlFacade::instance_for_rdbms_name(tester.grt, "Mysql");
      ensure("failed to get sqlparser module", (NULL != sql_parser));
  }
  
  TEST_DATA_DESTRUCTOR(grtdiff_alter_test)
  {
    std::auto_ptr<sql::Statement> stmt(connection->createStatement());
    std::string sql_string = "DROP DATABASE IF EXISTS grtdiff_alter_test;";
    
    execute_script(stmt.get(), sql_string, tester.wb->get_grt_manager());
  }

END_TEST_DATA_CLASS

TEST_MODULE(grtdiff_alter_test, "GRT: diff alter");

// db rev-eng test
TEST_FUNCTION(3)
{

  std::list<std::string> schemata;
  schemata.push_back("grtdiff_alter_test");
  tester.grt->get_undo_manager()->disable();
  db_mysql_CatalogRef cat= tester.db_rev_eng_schema(schemata);
  tester.wb->close_document();
  tester.wb->close_document_finish();
}

  static struct 
  {
    const char *description;
    const char *object_name;
    const char *cleanup;
    const char *org;
    const char *mod;
  }   data[] = {
#if DATABASE_TESTS
    // CREATE and DROP tests
    {
      "Create database",
      "grtdiff_alter_test",
      "DROP DATABASE IF EXISTS grtdiff_alter_test2;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;CREATE DATABASE grtdiff_alter_test2 /*!40100 DEFAULT CHARACTER SET latin1 */;"
    }, {
      "Drop database",
      "grtdiff_alter_test",
      "DROP DATABASE IF EXISTS grtdiff_alter_test2;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;CREATE DATABASE grtdiff_alter_test2 /*!40100 DEFAULT CHARACTER SET latin1 */;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;"
    },
    //// ALTER DATABASE tests
    //{
    //  "alter CHARACTER SET",
    //  "grtdiff_alter_test",
    //  "DROP DATABASE IF EXISTS grtdiff_alter_test",
    //  "CREATE DATABASE grtdiff_alter_test DEFAULT CHARACTER SET 'utf8'", 
    //  "CREATE DATABASE grtdiff_alter_test DEFAULT CHARACTER SET 'latin1'"
    //}, {
    //  "alter COLLATE",
    //  "grtdiff_alter_test",
    //  "DROP DATABASE IF EXISTS grtdiff_alter_test",
    //  "CREATE DATABASE grtdiff_alter_test DEFAULT COLLATE 'utf8_general_ci'", 
    //  "CREATE DATABASE grtdiff_alter_test DEFAULT COLLATE 'utf8_general_cs'"
    //}, {
    //  "alter CHARACTER SET and COLLATE",
    //  "grtdiff_alter_test",
    //  "DROP DATABASE IF EXISTS grtdiff_alter_test",
    //  "CREATE DATABASE grtdiff_alter_test DEFAULT CHARACTER SET 'utf8' COLLATE 'utf8_general_ci'", 
    //  "CREATE DATABASE grtdiff_alter_test DEFAULT CHARACTER SET 'latin1' COLLATE 'utf8_general_cs'"
    //},
#endif
#if 0 // CREATE TABLE tests. TODO: add more tests, add DROP TABLE tests
    {
      "T+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
#endif
#if TABLE_TESTS
    // ALTER TABLE tests (ADD COLUMN)
    {
      "C C C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1", 
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C C+ C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C C+ C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C+ C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C+ C C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C+ C C+ C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL, t2 TEXT, t3 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C+ C+ C C+ C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, t2 TEXT, `id2` int(11) DEFAULT NULL, t3 TEXT, t4 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C+ C C+ C+ C C+ C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, t2 TEXT, `id` int(11) DEFAULT NULL, t3 TEXT, t4 TEXT, `id2` int(11) DEFAULT NULL, t5 TEXT, t6 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
    // ALTER TABLE tests (DROP COLUMN)
    {
      "C C C-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C C- C-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C C- C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C C-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C C- C-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL, t2 TEXT, t3 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C- C C- C-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, t2 TEXT, `id2` int(11) DEFAULT NULL, t3 TEXT, t4 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C- C C- C- C C- C-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, t2 TEXT, `id` int(11) DEFAULT NULL, t3 TEXT, t4 TEXT, `id2` int(11) DEFAULT NULL, t5 TEXT, t6 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, 
    // ALTER TABLE tests (ADD/DROP COLUMN  mix)
#if 0 // crash due to server bug #31145
    {
      "C- C+ C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t2 TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
#endif
    {
      "C- C- C+ C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, t2 TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t3 TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C+ C- C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t2 TEXT, t3 TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C C+ C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C C- C+ C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t3 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C C- C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C C+ C- C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, t3 TEXT, t4 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C C C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C- C C C- C+ C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t3 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C+ C C C- C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT, `id3` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t2 TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, `id3` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C- C C- C+ C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL, t2 TEXT, `id3` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t3 TEXT, `id3` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C+ C C- C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT, `id3` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL, `id3` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, 
#if 0 // crash due to server bug #31145
    {
      "C C C- C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
#endif
    {
      "C C C- C- C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t3 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, 
    // ALTER TABLE tests (CHANGE COLUMN position change, content change)
    {
      "C> C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C> C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C< C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C*", // a test for presicion/scale
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` DECIMAL) ENGINE=InnoDB DEFAULT CHARSET=latin1", 
      "CREATE TABLE grtdiff_alter_test.t1 (`id` DECIMAL(8,2)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C*> C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT NOT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C* C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C* C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t int(11) DEFAULT NULL, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C*> C C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C*> C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C C*< C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t int(11) DEFAULT NULL, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C CR C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t2 TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C CR> C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C CR< C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t2 TEXT, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C CR*> C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t2 TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C CR*< C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, t TEXT, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t2  int(11) DEFAULT NULL, `id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "C> C C+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id2` int(11) DEFAULT NULL, `id` int(11) DEFAULT NULL, t TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },{
      "C< C+ C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id2` int(11) DEFAULT NULL, t TEXT, `id` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },{
      "C> C- C",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, t TEXT) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (t TEXT, `id` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, 
    // TODO: test USING HASH and other indexKind values
    {
      "I(1)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, KEY `idx1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(1)+ I(1)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, KEY `idx1` (`id`), KEY `idx2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(2)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(2)+ I(2)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`), KEY `idx2` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(2)-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(2)- I(2)-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`), KEY `idx2` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(2)- I(2)- I(2)+ I(2)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`), KEY `idx2` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx3` (`id`, `id2`), KEY `idx4` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(2)*",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "I(1)* I(2)*",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`), KEY `idx2` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`, `id2`), KEY `idx2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
#if 0 // TODO: fix
    {
      "I(1)* I(2)*<",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx1` (`id`), KEY `idx2` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) DEFAULT NULL, `id2` int(11) DEFAULT NULL, KEY `idx2` (`id`), KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
#endif
    {
      "PK(2)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "PK(2)-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "PK(2)*",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "PK(2)+ I(2)+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`, `id2`), KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "PK(2)- I(2)-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`, `id2`), KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "PK(2)* I(2)*",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`, `id2`), KEY `idx1` (`id`, `id2`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', `id2` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), KEY `idx1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1;",
      
      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;",
      
      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F+ F+",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",
      
      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;",
      
      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`), CONSTRAINT `c2` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t2` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1;",
            
      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;" 
    }, {
      "F- F-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`), CONSTRAINT `c2` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t2` (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
    }, {
      "F+ F-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F+ F-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c2` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F+ F-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c2` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F+ F+ F-",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c2` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "F+ F+ F- (2)",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t1; DROP TABLE IF EXISTS grtdiff_alter_test.ref_t2;",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c2` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t2` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1",

      "CREATE TABLE grtdiff_alter_test.ref_t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.ref_t2 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (`id`), CONSTRAINT `c1` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`ref_t1` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "Rename table",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.t2;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t2 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "Change ENGINE attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1"
    }, {
      "Change COMMENT attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='some comment'"
    }, {
    // this attribute is currently ignored during comparison
    //  "Change AUTO_INCREMENT attribute",
    //  "grtdiff_alter_test.t1",
    //  "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
    //  "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
    //  "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT = 2"
    //}, {
      "Change DELAY_KEY_WRITE attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1 DELAY_KEY_WRITE = 1"
    }, { 
#if 0  // TODO: need a fix from rev-eng

      "Change UNION, INSERT_METHOD attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1; DROP TABLE IF EXISTS grtdiff_alter_test.t2; DROP TABLE IF EXISTS grtdiff_alter_test.t3;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t2 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t3 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;"
      ,
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t2 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;"
      "CREATE TABLE grtdiff_alter_test.t3 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MERGE UNION=(grtdiff_alter_test.t1,grtdiff_alter_test.t2) INSERT_METHOD=LAST DEFAULT CHARSET=latin1;"
    }, {
#endif
      "Change CHARACTER SET attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=utf8"
    }, {
      "Change COLLATE attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin"
    }, {
      "Change PACK_KEYS attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 PACK_KEYS = 1"
    }, {
      "Change CHECKSUM attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 CHECKSUM = 1"
    }, {
      "Change ROW_FORMAT attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 ROW_FORMAT = COMPRESSED"
    }, {
      "Change AVG_ROW_LENGTH attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 AVG_ROW_LENGTH = 101"
    }, {
      "Change MIN_ROWS attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS = 2"
    }, {
      "Change MAX_ROWS attribute",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 MAX_ROWS = 200"
    }, {
      "a test for bug #35265",
      "grtdiff_alter_test.table1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.table2; DROP TABLE IF EXISTS grtdiff_alter_test.table1;",
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table2` ("
        " `idtable2` INT(11) NOT NULL,"
        " PRIMARY KEY (`idtable2`))"
        " ENGINE = InnoDB DEFAULT CHARSET=latin1;"
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table1` ("
        " `idtable1` INT(11) NOT NULL ,"
        " `table2_idtable2` INT(11) NULL ,"
        " PRIMARY KEY (`idtable1`) ,"
        " INDEX fk_table1_table2 (`table2_idtable2` ASC) ,"
        " CONSTRAINT `fk_table1_table2`"
        " FOREIGN KEY (`table2_idtable2` )"
        " REFERENCES `grtdiff_alter_test`.`table2` (`idtable2` )"
        " ON DELETE NO ACTION"
        " ON UPDATE NO ACTION)"
        " ENGINE = InnoDB DEFAULT CHARSET=latin1;",
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table1` ("
        " `idtable1` INT(11) NOT NULL ,"
        " PRIMARY KEY (`idtable1`) )"
        " ENGINE = InnoDB DEFAULT CHARSET=latin1;"
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table2` ("
        " `idtable2` INT(11) NOT NULL ,"
        " `table1_idtable1` INT(11) NULL ,"
        " PRIMARY KEY (`idtable2`) ,"
        " INDEX fk_table2_table1 (`table1_idtable1` ASC) ,"
        " CONSTRAINT `fk_table2_table1`"
          " FOREIGN KEY (`table1_idtable1` )"
          " REFERENCES `grtdiff_alter_test`.`table1` (`idtable1` )"
          " ON DELETE NO ACTION"
          " ON UPDATE NO ACTION)"
      " ENGINE = InnoDB DEFAULT CHARSET=latin1;"
    }, {
      "a test for bug #36674",
      "grtdiff_alter_test.table1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.table2; DROP TABLE IF EXISTS grtdiff_alter_test.table1;",

      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table1` ("
      "  `idtable1` INT(11) NOT NULL ,"
      "  PRIMARY KEY (`idtable1`) )"
      "ENGINE = InnoDB DEFAULT CHARSET=latin1;"
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table2` ("
      "  `idtable2` INT(11) NOT NULL ,"
      "  `t1` INT(11) NULL ,"
      "  PRIMARY KEY (`idtable2`) )"
      "ENGINE = InnoDB DEFAULT CHARSET=latin1;",
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table1` ("
      "  `idtable1` INT(11) NOT NULL ,"
      "  PRIMARY KEY (`idtable1`) )"
      "ENGINE = InnoDB DEFAULT CHARSET=latin1;"
      "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`table2` ("
      "  `idtable2` INT(11) NOT NULL ,"
      "  `t1` INT(11) NULL ,"
      "  PRIMARY KEY (`idtable2`) ,"
      "  INDEX fk_table2_table1 (`t1` ASC) ,"
      "  CONSTRAINT `fk_table2_table1`"
      "    FOREIGN KEY (`t1` )"
      "    REFERENCES `grtdiff_alter_test`.`table1` (`idtable1` )"
      "    ON DELETE NO ACTION"
      "    ON UPDATE NO ACTION)"
      "ENGINE = InnoDB DEFAULT CHARSET=latin1;"
    },
#endif  // end of TABLE_TESTS
#if TABLE_PARTITION_TESTS
    {
      "Add HASH partitioning",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY HASH (id) PARTITIONS 6"
    }, {
      "Add KEY partitioning",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (id)) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0', PRIMARY KEY (id)) ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY KEY (id) PARTITIONS 6"
    }, {
      "Drop partitioning",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY HASH (id) PARTITIONS 6",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "Partition coalescing",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY HASH (id) PARTITIONS 6",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY HASH (id) PARTITIONS 4"
    }, {
      "Partition splitting",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY HASH (id) PARTITIONS 4",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY HASH (id) PARTITIONS 6"
    }, {
      "Add range partitioning ",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (1991) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (1996) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (2001) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (2005) ENGINE = InnoDB,"
      " PARTITION p5 VALUES LESS THAN (MAXVALUE) ENGINE = InnoDB)"
    }, {
      "Remove range partitioning ",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (1991) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (1996) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (2001) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (2005) ENGINE = InnoDB)",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
    }, {
      "Range partitioning: change expression, partition LESS THAN values ",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (2) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (5) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (10) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (MAXVALUE) ENGINE = InnoDB)",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(MONTH(hired)) ("
      " PARTITION p1 VALUES LESS THAN (1991) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (1996) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (2001) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (2005) ENGINE = InnoDB)"
    }, {
      "Range partitioning: add partition",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (6) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (9) ENGINE = InnoDB)",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (6) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (9) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (MAXVALUE) ENGINE = InnoDB)"
    }, {
      "Range partitioning: drop 2 partitions",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (6) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (9) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (12) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (MAXVALUE) ENGINE = InnoDB)",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (6) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (MAXVALUE) ENGINE = InnoDB)",
    }, {
      "Range partitioning: reorganize partitions",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (6) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (9) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (12) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (13) ENGINE = InnoDB)",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY RANGE(YEAR(hired)) ("
      " PARTITION p1 VALUES LESS THAN (6) ENGINE = InnoDB,"
      " PARTITION p2 VALUES LESS THAN (9) ENGINE = InnoDB,"
      " PARTITION p3 VALUES LESS THAN (12) ENGINE = InnoDB,"
      " PARTITION p4 VALUES LESS THAN (14) ENGINE = InnoDB)",
    }, {
      "List partitioning: reorganize partitions",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY LIST(id) ("
      " PARTITION p0 VALUES IN (5,10,15),"
      " PARTITION p1 VALUES IN (6,12,18),"
      " PARTITION p2 VALUES IN (7,13,19),"
      " PARTITION p3 VALUES IN (8,14,20))",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY LIST(id) ("
      " PARTITION p0 VALUES IN (5,10,15),"
      " PARTITION p1 VALUES IN (6,12,18),"
      " PARTITION p2 VALUES IN (3,13,19),"
      " PARTITION p3 VALUES IN (8,14,20))",
    }, {
      "List partitioning: add, remove, change partitions",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      
      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY LIST(id) ("
      " PARTITION p0 VALUES IN (5,10,15),"
      " PARTITION p1 VALUES IN (6,12,18),"
      " PARTITION p2 VALUES IN (7,13,19),"
      " PARTITION p3 VALUES IN (8,14,20))",

      "CREATE TABLE grtdiff_alter_test.t1 (id int(11) NOT NULL DEFAULT '0', hired DATE NOT NULL)"
      " ENGINE=InnoDB DEFAULT CHARSET=latin1"
      " PARTITION BY LIST(id) ("
      " PARTITION p0 VALUES IN (5,10,15),"
      " PARTITION p2 VALUES IN (3,13,19),"
      " PARTITION p3 VALUES IN (8,14,20),"
      " PARTITION p4 VALUES IN (6,12,18))",
    },


#endif // end of TABLE_PARTITION_TESTS
#if VIEW_TESTS
    {

      "Create view",
      "grtdiff_alter_test.v1",
      "DROP VIEW IF EXISTS grtdiff_alter_test.v1;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;",
      "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `grtdiff_alter_test`.`v1` AS select 2 AS `2`;"
    }, {
      "Drop view",
      "grtdiff_alter_test.v1",
      "DROP VIEW IF EXISTS grtdiff_alter_test.v1;DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `grtdiff_alter_test`.`v1` AS select 2 AS `2`;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;"
    }, {
      "Alter view",
      "grtdiff_alter_test.v1",
      "DROP VIEW IF EXISTS grtdiff_alter_test.v1;",
      "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `grtdiff_alter_test`.`v1` AS select 1 AS `1`;",
      "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `grtdiff_alter_test`.`v1` AS select 2 AS `2`;"
    }, {
      "Rename view",
      "grtdiff_alter_test.v1",
      "DROP VIEW IF EXISTS grtdiff_alter_test.v1;DROP VIEW IF EXISTS grtdiff_alter_test.v2;",
      "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `grtdiff_alter_test`.`v1` AS select 1 AS `1`;",
      "CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `grtdiff_alter_test`.`v2` AS select 1 AS `1`;"
    },
#endif  // end of VIEW_TESTS
#if ROUTINE_TESTS
    {
      "Create procedure",
      "grtdiff_alter_test.p1",
      "DROP PROCEDURE IF EXISTS grtdiff_alter_test.p1;",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;",
      "DELIMITER //\nCREATE DEFINER=`root`@`localhost` PROCEDURE `grtdiff_alter_test`.`p1`()\nBEGIN SELECT 1; SELECT 2; END//"
    }, {  
      "Drop procedure",
      "grtdiff_alter_test.p1",
      "DROP PROCEDURE IF EXISTS grtdiff_alter_test.p1;",
      "DELIMITER //\nCREATE DEFINER=`root`@`localhost` PROCEDURE `grtdiff_alter_test`.`p1`()\nBEGIN SELECT 1; SELECT 2; END//",
      "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test;"
    }, {  
      "Change procedure",
      "grtdiff_alter_test.p1",
      "DROP PROCEDURE IF EXISTS grtdiff_alter_test.p1;",
      "DELIMITER //\nCREATE DEFINER=`root`@`localhost` PROCEDURE `grtdiff_alter_test`.`p1`()\nBEGIN SELECT 1; SELECT 2; END//",
      "DELIMITER //\nCREATE DEFINER=`root`@`localhost` PROCEDURE `grtdiff_alter_test`.`p1`()\nBEGIN SELECT 2; SELECT 1; END//"
    },
#endif // ROUTINE_TESTS
#if TRIGGER_TESTS
    {
      "Create trigger",
      "grtdiff_alter_test.tr1",
      
      "DROP TRIGGER IF EXISTS grtdiff_alter_test.tr1;DROP TABLE IF EXISTS grtdiff_alter_test.t1;",

      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;\n",

      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;\n"
      "USE grtdiff_alter_test;\n"
      "DELIMITER //\nCREATE\nDEFINER=`root`@`localhost`\nTRIGGER `grtdiff_alter_test`.`tr1`\nBEFORE INSERT ON `grtdiff_alter_test`.`t1`\nFOR EACH ROW\nBEGIN DELETE FROM grtdiff_alter_test.t1; END//"
    }, {
      "Drop trigger",
      "grtdiff_alter_test.tr1",
      
      "DROP TRIGGER IF EXISTS grtdiff_alter_test.tr1;DROP TABLE IF EXISTS grtdiff_alter_test.t1;",

      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;\n"
      "USE grtdiff_alter_test;\n"
      "DELIMITER //\nCREATE\nDEFINER=`root`@`localhost`\nTRIGGER `grtdiff_alter_test`.`tr1`\nBEFORE INSERT ON `grtdiff_alter_test`.`t1`\nFOR EACH ROW\nBEGIN DELETE FROM grtdiff_alter_test.t1; END//",

      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;\n"
    }, {
      "Change trigger",
      "grtdiff_alter_test.tr1",
      
      "DROP TRIGGER IF EXISTS grtdiff_alter_test.tr1;DROP TABLE IF EXISTS grtdiff_alter_test.t1;",

      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;\n"
      "USE grtdiff_alter_test;\n"
      "DELIMITER //\nCREATE\nDEFINER=`root`@`localhost`\nTRIGGER `grtdiff_alter_test`.`tr1`\nBEFORE INSERT ON `grtdiff_alter_test`.`t1`\nFOR EACH ROW\nBEGIN DELETE FROM t1; END//",

      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1;\n"
      "USE grtdiff_alter_test;\n"
      "DELIMITER //\nCREATE\nDEFINER=`root`@`localhost`\nTRIGGER `grtdiff_alter_test`.`tr1`\nBEFORE INSERT ON `grtdiff_alter_test`.`t1`\nFOR EACH ROW\nBEGIN DELETE FROM t2; END//"
    }, 
#endif  // TRIGGER_TESTS
#ifdef CREATE_TESTS
    {
        "Create test 1",
        "grtdiff_alter_test.tr1",
        "drop table if exists grtdiff_alter_test.create_test_t1;",
        "",
        "CREATE TABLE grtdiff_alter_test.create_test_t1 ("
        "`id` int(11) NOT NULL DEFAULT '0') DEFAULT CHARSET=latin1 ENGINE=InnoDB;"
    },
    {
      "Create test: data types",
        "grtdiff_alter_test.tr1",
        "drop table if exists grtdiff_alter_test.types_check;",
        "",
        "CREATE TABLE grtdiff_alter_test.types_check ("
        "`b4` bit(1) DEFAULT NULL,  "
        "`ti` tinyint(4) DEFAULT NULL,  "
        "`si` smallint(6) DEFAULT NULL,  "
        "`mi` mediumint(9) DEFAULT NULL,  "
        "`i` int(11) DEFAULT NULL,  "
        "`i2` int(11) DEFAULT NULL,  "
        "`bi` bigint(20) DEFAULT NULL, "
        "`r` double DEFAULT NULL,  "
        "`d` double DEFAULT NULL,  "
        "`f` float DEFAULT NULL,  "
        "`dc` decimal(10,0) DEFAULT NULL,  "
        "`num` decimal(10,2) DEFAULT NULL,  "
        "`dt` date DEFAULT NULL,  "
        "`tm` time DEFAULT NULL,"
        "`tmst` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,  "
        "`dttm` datetime DEFAULT NULL,  "
        "`yr` year(4) DEFAULT NULL,  "
        "`ch` char(32) CHARACTER SET utf8 DEFAULT NULL,"
        "`vchr` varchar(128) DEFAULT NULL, "
        "`bnr` binary(32) DEFAULT NULL,  "
        "`vbnr` varbinary(32) DEFAULT NULL,  "
        "`tblb` tinyblob,  "
        "`blb` blob,  "
        "`mblb` mediumblob,  "
        "`lblb` longblob,  "
        "`ttxt` tinytext,  "
        "`mtxt` mediumtext CHARACTER SET latin1 COLLATE latin1_bin,"
        "`enm` enum('one','two','three') DEFAULT NULL,  "
        "`st` set('on','off') DEFAULT NULL) "
        "ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
    {
      "Create test: keys and indices",
        "grtdiff_alter_test.tr1",
        "drop table if exists grtdiff_alter_test.keys_check;",
        "",
        "CREATE  TABLE IF NOT EXISTS `grtdiff_alter_test`.`keys_check` (`id` INT(11) NOT NULL ,  `txt` VARCHAR(64) NULL DEFAULT NULL ,  `cnt` INT(11) NOT NULL AUTO_INCREMENT ,  `chk` INT(11) NOT NULL ,  PRIMARY KEY (`id`) ,  UNIQUE INDEX txt_2 (`txt` ASC) ,  INDEX cnt USING HASH (`cnt` ASC) ,  FULLTEXT INDEX txt (`txt` ASC) ) ENGINE = MyISAM DEFAULT CHARACTER SET = latin1;"
    },
    {
      "Create test: foreign keys",
      "grtdiff_alter_test.tr1",
      "drop table if exists grtdiff_alter_test.frn_keys_check_t2;drop table if exists grtdiff_alter_test.frn_keys_check_t1;",
      "",
      "CREATE TABLE grtdiff_alter_test.frn_keys_check_t1( `id` int(11) NOT NULL,  PRIMARY KEY (`id`) USING BTREE) ENGINE=InnoDB DEFAULT CHARSET=latin1; CREATE TABLE `grtdiff_alter_test`.`frn_keys_check_t2` (`id` int(11) NOT NULL,  KEY `fid` (`id`),  CONSTRAINT `fid` FOREIGN KEY (`id`) REFERENCES `grtdiff_alter_test`.`frn_keys_check_t1` (`id`) ON DELETE CASCADE ON UPDATE CASCADE) ENGINE=InnoDB DEFAULT CHARSET=latin1;"
    },
#endif
      {
      "Change CHARSET attribute to server default",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin2",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT"
      },

      {
      "Change COLLATE attribute to server default",
      "grtdiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_german1_ci",
      "CREATE TABLE grtdiff_alter_test.t1 (`id` int(11) NOT NULL DEFAULT '0') ENGINE=MyISAM DEFAULT CHARSET=latin1"
    },
    {NULL, NULL, NULL, NULL, NULL}
  };


TEST_FUNCTION(6)
{
  boost::shared_ptr<DiffChange> alter_change;
  boost::shared_ptr<DiffChange> empty_change;

  // column insertion
  
  ensure("connection is NULL", connection.get() != NULL);

  {
    std::auto_ptr<sql::Statement> stmt(connection->createStatement());
    execute_script(stmt.get(), "DROP DATABASE IF EXISTS grtdiff_alter_test;"
                               "DROP DATABASE IF EXISTS grtdiff_alter_test2",tester.wb->get_grt_manager());
    execute_script(stmt.get(), "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */",tester.wb->get_grt_manager());
  }

  for(int i= 0; data[i].description != NULL; i++)
  {
#if VERBOSE_TESTING
    std::cout << "iteration " << i << std::endl;
#endif

    db_mysql_CatalogRef org_cat= create_empty_catalog_for_import(tester.grt);
    db_mysql_CatalogRef mod_cat= create_empty_catalog_for_import(tester.grt);

    {
      std::string org_script;
      org_script
        .append("CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */;\n")
        .append(data[i].org)
        .append(";");
      sql_parser->parseSqlScriptString(org_cat, org_script);
    }
    {
      std::string mod_script;
      mod_script
        .append("CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */;\n")
        .append(data[i].mod)
        .append(";");
      sql_parser->parseSqlScriptString(mod_cat, mod_script);
    }

    if(strcmp(data[i].description, "C CR C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(1)->oldName("t");
    else if(strcmp(data[i].description, "C CR> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t");
    else if(strcmp(data[i].description, "C CR< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t");
    else if(strcmp(data[i].description, "C CR*> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t");
    else if(strcmp(data[i].description, "C CR*< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t");
    else if(strcmp(data[i].description, "Rename table") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->oldName("t1");
    else if(strcmp(data[i].description, "Rename view") == 0)
      mod_cat->schemata().get(0)->views().get(0)->oldName("v1");

    grt::NormalizedComparer normalizer(tester.grt);
    normalizer.init_omf(&omf);
    grt::ValueRef default_engine = tester.wb->get_grt_manager()->get_app_option("db.mysql.Table:tableEngine");
    std::string default_engine_name;
    if(grt::StringRef::can_wrap(default_engine))
        default_engine_name = grt::StringRef::cast_from(default_engine);

    bec::CatalogHelper::apply_defaults(mod_cat, default_engine_name);
    bec::CatalogHelper::apply_defaults(org_cat, default_engine_name);

    alter_change= diff_make(org_cat, mod_cat, &omf);
    ensure("Empty alter:", (bool)alter_change);

#if VERBOSE_TESTING
    alter_change->dump_log(0);
#endif

    // 1. generate alter
    grt::StringListRef alter_map(tester.grt);
    grt::ListRef<GrtNamedObject> alter_object_list(tester.grt);
    grt::DictRef options(tester.grt);
    options.set("UseFilteredLists", grt::IntegerRef(0));
    options.set("OutputContainer", alter_map);
    options.set("OutputObjectContainer", alter_object_list);
    options.set("CaseSensitive", grt::IntegerRef(omf.case_sensitive));

    diffsql_module->generateSQL(mod_cat, options, alter_change);
    diffsql_module->makeSQLSyncScript(mod_cat, options, alter_map, alter_object_list);
    std::string export_sql_script= options.get_string("OutputScript");

    // 2. apply it to server
    std::auto_ptr<sql::Statement> stmt(connection->createStatement());

    try 
    {
      execute_script(stmt.get(), data[i].cleanup,tester.wb->get_grt_manager());
      execute_script(stmt.get(), data[i].org,tester.wb->get_grt_manager());
      execute_script(stmt.get(), export_sql_script,tester.wb->get_grt_manager());
    }
    catch(sql::SQLException &ex)
    {
      std::cout << "EXCEPTION: " << ex.what() << std::endl;
      std::cout << export_sql_script << std::endl;
      fail("Server returned error:"+std::string(data[i].description));
    }

    // 3. reveng the new catalog
    std::list<std::string> schemata;
    schemata.push_back("grtdiff_alter_test");
    schemata.push_back("grtdiff_alter_test2");
    db_mysql_CatalogRef cat= tester.db_rev_eng_schema(schemata);
    if((cat->schemata().get(0).is_valid()) && (cat->schemata().get(0)->name() == "mydb"))
      cat->schemata().remove(0);
    mod_cat->oldName("");

    // 3a. cleanup the server
    execute_script(stmt.get(), data[i].cleanup,tester.wb->get_grt_manager());

    // 4. diff to mod - TEST - must be empty diff
    if(strcmp(data[i].description, "C CR C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(1)->oldName("t2");
    else if(strcmp(data[i].description, "C CR> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t2");
    else if(strcmp(data[i].description, "C CR< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t2");
    else if(strcmp(data[i].description, "C CR*> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t2");
    else if(strcmp(data[i].description, "C CR*< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t2");
    else if(strcmp(data[i].description, "Rename table") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->oldName("t2");
    else if(strcmp(data[i].description, "Rename view") == 0)
      mod_cat->schemata().get(0)->views().get(0)->oldName("v2");

    normalizer.init_omf(&omf);
    empty_change= diff_make(cat, mod_cat, &omf);
    tester.wb->close_document();
    tester.wb->close_document_finish();

    if (empty_change)
    {
      alter_map.clear();
      alter_object_list.clear();
      diffsql_module->generateSQL(mod_cat, options, empty_change);
      diffsql_module->makeSQLSyncScript(mod_cat, options, alter_map, alter_object_list);

      // we can't check for the changeset to make sure there are not changes, because some changes from the diff
      // don't cause a script to be generated (like foreign keys being reordered)
      // so, it's better to check whether there's any actual alterations
      if (alter_map.count() > 0 || alter_object_list.count() > 0)
      {
          empty_change->dump_log(0);
          std::cout<<"Iteration:"<<i<<std::endl;
          std::cout<<export_sql_script<<std::endl;
          std::string export_sql_script= options.get_string("OutputScript");
          std::cout<<"Output:\n"<<export_sql_script;
          fail(data[i].description);
      }
    }
  }
}

TEST_FUNCTION(7)
{
  boost::shared_ptr<DiffChange> alter_change;
  boost::shared_ptr<DiffChange> empty_change;

  // column insertion


  
  ensure("connection is NULL", connection.get() != NULL);

  {
    std::auto_ptr<sql::Statement> stmt(connection->createStatement());
    execute_script(stmt.get(), "DROP DATABASE IF EXISTS grtdiff_alter_test;"
                               "DROP DATABASE IF EXISTS grtdiff_alter_test2",tester.wb->get_grt_manager());
    execute_script(stmt.get(), "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */",tester.wb->get_grt_manager());
  }

  for(int i= 2; data[i].description != NULL; i++)
	  for (int j = 0; j <= 1; ++j)
  {
#if VERBOSE_TESTING
    std::cout << "iteration " << i << std::endl;
#endif

    db_mysql_CatalogRef org_cat= create_empty_catalog_for_import(tester.grt);
    db_mysql_CatalogRef mod_cat= create_empty_catalog_for_import(tester.grt);

    {
      std::string org_script;
      org_script
        .append("CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */;\n")
        .append(data[i].org)
        .append(";");
      sql_parser->parseSqlScriptString(org_cat, org_script);
    }
    {
      std::string mod_script;
      mod_script
        .append("CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */;\n")
        .append(data[i].mod)
        .append(";");
      sql_parser->parseSqlScriptString(mod_cat, mod_script);
    }

    if(strcmp(data[i].description, "C CR C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(1)->oldName("t");
    else if(strcmp(data[i].description, "C CR> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t");
    else if(strcmp(data[i].description, "C CR< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t");
    else if(strcmp(data[i].description, "C CR*> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t");
    else if(strcmp(data[i].description, "C CR*< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t");
    else if(strcmp(data[i].description, "Rename table") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->oldName("t1");
    else if(strcmp(data[i].description, "Rename view") == 0)
      mod_cat->schemata().get(0)->views().get(0)->oldName("v1");

    grt::NormalizedComparer normalizer(tester.grt);
    normalizer.init_omf(&omf);
        grt::ValueRef default_engine = tester.wb->get_grt_manager()->get_app_option("db.mysql.Table:tableEngine");
    std::string default_engine_name;
    if(grt::StringRef::can_wrap(default_engine))
        default_engine_name = grt::StringRef::cast_from(default_engine);

    bec::CatalogHelper::apply_defaults(mod_cat, default_engine_name);
    bec::CatalogHelper::apply_defaults(org_cat, default_engine_name);


    alter_change= diff_make(org_cat, mod_cat, &omf);
    ensure("Empty alter:", (bool)alter_change);

#if VERBOSE_TESTING
    alter_change->dump_log(0);
#endif

    const char TemplateFile[] = "data/reporting/Basic_Text.tpl/basic_text_report.txt.tpl";

    // 1. generate alter
    grt::StringListRef alter_map(tester.grt);
    grt::DictRef options(tester.grt);
    options.set("UseFilteredLists", grt::IntegerRef(0));
    options.set("OutputContainer", alter_map);
    options.set("TemplateFile", grt::StringRef(TemplateFile));
    options.set("UseShortNames", grt::IntegerRef(j));
    options.set("SeparateForeignKeys", grt::IntegerRef(0));
 
    grt::StringRef report = diffsql_module->generateReport(org_cat, options, alter_change);

    char buf1[1000];
    
    g_snprintf(buf1, sizeof(buf1), "data/reporting/Basic_Text.tpl/reports/testres%s%d.txt",j?"_longname":"_shortname", i);

    std::ifstream rep;
    rep.open(buf1);
    std::string str((std::istreambuf_iterator<char>(rep)), std::istreambuf_iterator<char>());

    if (report != str)
    {
        alter_change->dump_log(0);
//         int pp = strcmp(report.c_str(),str.c_str());
        std::cout<<report.c_str()<<std::endl;
        std::cout<<"=======================================================================================================================\n";
        std::cout<<str<<std::endl;
        fail(buf1);
    }
// Test Data generation
/*
	sprintf(buf1, "testres%s%d.txt",j?"_longname":"_shortname", i);
	std::ofstream out;
	out.open(buf1);
	out<<(*report).c_str();
	out.close();
*/
  }
}


static struct 
{
  const char *description;
  const char *object_name;
  const char *cleanup;
  const char *org;
  const char *mod;
}  neg_data[] = {
  // Tests that should give no differences
    {
      "BINARY flag columns",
      "grtiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` varchar(20) BINARY) ENGINE=InnoDB DEFAULT CHARSET=latin1",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` varchar(20) CHARACTER SET latin1 COLLATE latin1_bin DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=latin1"
    },
     {
      "BINARY flag columns (utf8)",
      "grtiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` varchar(20) BINARY) ENGINE=InnoDB DEFAULT CHARSET=utf8",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` varchar(20) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=utf8"
    },
    {
      "ASCII flag columns",
      "grtiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` varchar(20) ASCII) ENGINE=InnoDB DEFAULT CHARSET=utf8",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` varchar(20) CHARACTER SET latin1 DEFAULT NULL) ENGINE=InnoDB DEFAULT CHARSET=utf8"
    },
    {
      "ZEROFILL flag columns",
      "grtiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` int ZEROFILL) ENGINE=InnoDB",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` int UNSIGNED ZEROFILL DEFAULT NULL) ENGINE=InnoDB"
    },
    {
      "reorder index",
      "grtiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` int, `b` int, index aa (a), index bb (b))",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` int, `b` int, index bb (b), index aa (a))"
    },
    {
      "enums",
      "grtiff_alter_test.t1",
      "DROP TABLE IF EXISTS grtdiff_alter_test.t1;",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` enum('a','b','c'))",
      "CREATE TABLE grtdiff_alter_test.t1 (`a` ENUM('a', 'b',    'c'  ))"
    },
    {NULL, NULL, NULL, NULL, NULL}
};




TEST_FUNCTION(5)
{
  boost::shared_ptr<DiffChange> empty_change;

  // column insertion
  
  ensure("connection is NULL", connection.get() != NULL);

  {
    std::auto_ptr<sql::Statement> stmt(connection->createStatement());
    execute_script(stmt.get(), "DROP DATABASE IF EXISTS grtdiff_alter_test;"
                               "DROP DATABASE IF EXISTS grtdiff_alter_test2",tester.wb->get_grt_manager());
    execute_script(stmt.get(), "CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */",tester.wb->get_grt_manager());
  }

  for(int i= 0; neg_data[i].description != NULL; i++)
  {
#if VERBOSE_TESTING
    std::cout << "iteration " << i << std::endl;
#endif

    db_mysql_CatalogRef org_cat= create_empty_catalog_for_import(tester.grt);
    db_mysql_CatalogRef mod_cat= create_empty_catalog_for_import(tester.grt);

    {
      std::string org_script;
      org_script
        .append("CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */;\n")
        .append(neg_data[i].org)
        .append(";");
      sql_parser->parseSqlScriptString(org_cat, org_script);
    }
    {
      std::string mod_script;
      mod_script
        .append("CREATE DATABASE IF NOT EXISTS grtdiff_alter_test /*!40100 DEFAULT CHARACTER SET latin1 */;\n")
        .append(neg_data[i].mod)
        .append(";");
      sql_parser->parseSqlScriptString(mod_cat, mod_script);
    }

    if(strcmp(neg_data[i].description, "C CR C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(1)->oldName("t");
    else if(strcmp(neg_data[i].description, "C CR> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t");
    else if(strcmp(neg_data[i].description, "C CR< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t");
    else if(strcmp(neg_data[i].description, "C CR*> C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(2)->oldName("t");
    else if(strcmp(neg_data[i].description, "C CR*< C") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->columns().get(0)->oldName("t");
    else if(strcmp(neg_data[i].description, "Rename table") == 0)
      mod_cat->schemata().get(0)->tables().get(0)->oldName("t1");
    else if(strcmp(neg_data[i].description, "Rename view") == 0)
      mod_cat->schemata().get(0)->views().get(0)->oldName("v1");

    grt::NormalizedComparer normalizer(tester.grt);
    normalizer.init_omf(&omf);
    grt::ValueRef default_engine = tester.wb->get_grt_manager()->get_app_option("db.mysql.Table:tableEngine");
    std::string default_engine_name;
    if(grt::StringRef::can_wrap(default_engine))
        default_engine_name = grt::StringRef::cast_from(default_engine);

    bec::CatalogHelper::apply_defaults(mod_cat, default_engine_name);
    bec::CatalogHelper::apply_defaults(org_cat, default_engine_name);

    // this should yield no differences
    empty_change= diff_make(org_cat, mod_cat, &omf);

    if (empty_change)
    {
      grt::StringListRef alter_map(tester.grt);
      grt::ListRef<GrtNamedObject> alter_object_list(tester.grt);
      grt::DictRef options(tester.grt);
      options.set("UseFilteredLists", grt::IntegerRef(0));
      options.set("OutputContainer", alter_map);
      options.set("OutputObjectContainer", alter_object_list);
      options.set("CaseSensitive", grt::IntegerRef(omf.case_sensitive));

      alter_map.clear();
      alter_object_list.clear();
      diffsql_module->generateSQL(mod_cat, options, empty_change);
      diffsql_module->makeSQLSyncScript(mod_cat, options, alter_map, alter_object_list);

      // we can't check for the changeset to make sure there are not changes, because some changes from the diff
      // don't cause a script to be generated (like foreign keys being reordered)
      // so, it's better to check whether there's any actual alterations
      if (alter_map.count() > 0 || alter_object_list.count() > 0)
      {
          empty_change->dump_log(0);
          std::cout<<"Iteration:"<<i<<std::endl;
          std::string export_sql_script= options.get_string("OutputScript");
          std::cout<<"Output:\n"<<export_sql_script;
          fail(neg_data[i].description);
      }
    }
  }
}


END_TESTS

