@Test
public void dropTableSimple() throws Exception {

    String sql = "DROP TABLE t1";
    dropTable = TableName.create(DEFAULT_SCHEMA, DEFAULT_TABLE);
    createTableSimpleGenerateAIS ();
    StatementNode stmt = parser.parseStatement(sql);
    assertTrue (stmt instanceof DropTableNode);
    
    TableDDL.dropTable(ddlFunctions, null, DEFAULT_SCHEMA, (DropTableNode)stmt, null);
}