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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2022/10/20 15:01:20 UTC

[GitHub] [doris] lide-reed opened a new issue, #13529: [Bug] Return Unknown column when left join a view within multiple inner join query statement.

lide-reed opened a new issue, #13529:
URL: https://github.com/apache/doris/issues/13529

   ### Search before asking
   
   - [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues.
   
   
   ### Version
   
   doris 1.1.3-rc02
   
   ### What's Wrong?
   
   MySQL [db]> select
       ->      f1.k1
       -> from (
       ->          select
       ->               t2.c as k1
       ->           from t5
       ->           inner join t2 on t2.x=t5.x
       ->           inner join t4 on t2.a=t4.a and t2.x in ('ZCR', 'ZDR')
       ->  ) f1
       -> left join v1 on f1.k1=v1.k1;
   ERROR 1054 (42S22): errCode = 2, detailMessage = Unknown column 'x' in 't5'
   
   ### What You Expected?
   
   No error and do the query.
   
   ### How to Reproduce?
   
   DROP table if exists t1;
   DROP table if exists t2;
   DROP table if exists t4;
   DROP table if exists t5;
   DROP view if exists v1;
   
   CREATE TABLE `t2` (
     `a` varchar(1) NULL COMMENT "",
     `x` varchar(1) NULL COMMENT "",
     `c` varchar(1) NULL COMMENT ""
   ) ENGINE=OLAP
   UNIQUE KEY(`a`)
   DISTRIBUTED BY HASH(`a`) BUCKETS 8;
   
   
   CREATE TABLE `t5` (
     `x` varchar(5) NULL COMMENT "",
     `d` varchar(3) NULL COMMENT ""
   ) ENGINE=OLAP
   UNIQUE KEY(`x`)
   DISTRIBUTED BY HASH(`x`) BUCKETS 8;
   
   CREATE TABLE `t4` (
     `a` varchar(1) NULL COMMENT "",
     `e` varchar(1) NULL COMMENT ""
   ) ENGINE=OLAP
   UNIQUE KEY(`a`)
   DISTRIBUTED BY HASH(`a`) BUCKETS 8;
   
   
   CREATE TABLE `t1` (
     `k1` varchar(20) NULL COMMENT "",
     `dt` date NULL COMMENT ""
   ) ENGINE=OLAP
   UNIQUE KEY(`k1`)
   DISTRIBUTED BY HASH(`k1`) BUCKETS 6;
   
   CREATE VIEW v1
   AS
   SELECT k1
   FROM t1
   WHERE `dt` = (
       SELECT max(`dt`)
       FROM t1
   );
   
   
   select
        f1.k1
   from (
            select
                 t2.c as k1
             from t5
             inner join t2 on t2.x=t5.x
             inner join t4 on t2.a=t4.a and t2.x in ('ZCR', 'ZDR')
    ) f1 
   left join v1 on f1.k1=v1.k1;
   
   ### Anything Else?
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
   


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[GitHub] [doris] hf200012 commented on issue #13529: [Bug] Return Unknown column when left join a view within multiple inner join query statement.

Posted by GitBox <gi...@apache.org>.
hf200012 commented on issue #13529:
URL: https://github.com/apache/doris/issues/13529#issuecomment-1291734579

   It can be avoided by rewriting sql first
   ```
   select
   f1.k1
   from (
   select
   t2.c as k1
   from t5
   inner join t2 on t2.x=t5.x
   inner join t4 on t2.a=t4.a WHERE t2.x in ('ZCR', 'ZDR')
   ) f1
   left join v1 on f1.k1=v1.k1; 
   ```


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[GitHub] [doris] hf200012 commented on issue #13529: [Bug] Return Unknown column when left join a view within multiple inner join query statement.

Posted by GitBox <gi...@apache.org>.
hf200012 commented on issue #13529:
URL: https://github.com/apache/doris/issues/13529#issuecomment-1285744761

   ```
   mysql> select
       -> f1.k1
       -> from (
       -> 
       -> select
       -> bbb.c as k1
       -> from t5 aaa
       -> left join t2 bbb on bbb.x=aaa.x
       -> left join t4  ccc on bbb.a=ccc.a and bbb.x in ('ZCR', 'ZDR')
       -> ) f1
       -> left join v1 on f1.k1=v1.k1;
   Empty set (0.01 sec)
   ```
   
   The inner join bug
   Left join is normal


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