public Change[] prepareDatabase(DropColumnChange change) throws Exception {
CreateTableChange createTableChange = new CreateTableChange();
createTableChange.setCatalogName(change.getCatalogName());
createTableChange.setSchemaName(change.getSchemaName());
createTableChange.setTableName(change.getTableName());
createTableChange.addColumn(new ColumnConfig().setName(change.getColumnName()).setType("int"));
createTableChange.addColumn(new ColumnConfig().setName("other_col").setType("int"));
return new Change[] {createTableChange };
}