List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals(1, statementList.size());
OdpsSchemaStatVisitor visitor = new OdpsSchemaStatVisitor();
stmt.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("orderBy : " + visitor.getOrderByColumns());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertEquals(1, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getConditions().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employee")));
Assert.assertTrue(visitor.getColumns().contains(new Column("employee", "name")));
}