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doris/regression-test
seawinde be81eb1a9b [feature](nereids) Support inner join query rewrite by materialized view (#27922)
Work in process. Support inner join query rewrite by materialized view in some scene.
Such as an exmple as following:

> mv = "select  lineitem.L_LINENUMBER, orders.O_CUSTKEY " +
>             "from orders " +
>             "inner join lineitem on lineitem.L_ORDERKEY = orders.O_ORDERKEY "
>     query = "select lineitem.L_LINENUMBER " +
>             "from lineitem " +
>             "inner join orders on lineitem.L_ORDERKEY = orders.O_ORDERKEY "
2023-12-07 20:29:51 +08:00
..

新加case注意事项

  1. 变量名前要写 def,否则是全局变量,并行跑的 case 的时候可能被其他 case 影响。

    Problematic code:

    ret = ***
    

    Correct code:

    def ret = ***
    
  2. 尽量不要在 case 中 global 的设置 session variable,或者修改集群配置,可能会影响其他 case。

    Problematic code:

    sql """set global enable_pipeline_x_engine=true;"""
    

    Correct code:

    sql """set enable_pipeline_x_engine=true;"""
    
  3. 如果必须要设置 global,或者要改集群配置,可以指定 case 以 nonConcurrent 的方式运行。

    示例

  4. case 中涉及时间相关的,最好固定时间,不要用类似 now() 函数这种动态值,避免过一段时间后 case 就跑不过了。

    Problematic code:

    sql """select count(*) from table where created < now();"""
    

    Correct code:

    sql """select count(*) from table where created < '2023-11-13';"""