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  1. MariaDB Server
  2. MDEV-14969

Non-recursive Common Table Expressions used in view caused an error

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.2.12, 10.2
    • 10.2.13
    • Optimizer - CTE
    • None
    • Centos 7

    Description

      It works as a stand alone query, or in procedures, but failed in views.

      This query worked:

      select * from nation n ,region r where n.n_regionkey = r.r_regionkey and r.r_regionkey in (with t as (select * from region where r_regionkey <=3) select r_regionkey from t where r_name <> "ASIA");
      

      This procedure worked:

      DELIMITER //
      CREATE PROCEDURE shownations ()
      BEGIN
      select * from nation n ,region r where n.n_regionkey = r.r_regionkey and r.r_regionkey in (with t as (select * from region where r_regionkey <=3) select r_regionkey from t where r_name <> "ASIA");
      END //
      DELIMITER ;
       
      call shownations;
      

      This view did not work:

       
      MariaDB [mytest]> create view v as select * from nation n ,region r where n.n_regionkey = r.r_regionkey and r.r_regionkey in (with t as (select * from region where r_regionkey <=3) select r_regionkey from t where r_name <> "ASIA");
      Query OK, 0 rows affected (0.01 sec)
       
      MariaDB [mytest]> select * from v;
      ERROR 1356 (HY000): View 'mytest.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
      

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              igor Igor Babaev
              David.Hall David Hall (Inactive)
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              Dates

                Created:
                Updated:
                Resolved:

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