// package com.github.quxiucheng.tutorial.rule;
//
// import org.apache.calcite.rel.rules.CoreRules;
// import org.apache.calcite.rel.rules.FilterRemoveIsNotDistinctFromRule;
//
// /**
//  * 移除filter中的is not distinct from ,目前没有办法测试calcite解析sql的时候回解析成or的格式
//  * https://dev.mysql.com/doc/refman/8.0/en/comparison-operators.html
//  * @author quxiucheng
//  * @date 2019-02-02 12:05:00
//  */
// public class FilterRemoveIsNotDistinctFromRuleTest {
//     public static void main(String[] args) {
//         String sql = "select * from hr.emps where deptno is not distinct from 20";
//         RuleTester.printProcessRule(sql, CoreRules.FILTER_REMOVE);
//     }
// }
