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  1. MariaDB Server
  2. MDEV-10236

Where expression with NOT function gives incorrect result

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.1.10, 10.1.13, 5.5(EOL), 10.0(EOL), 10.1(EOL)
    • 10.1.15
    • Optimizer
    • None
    • 10.1.15

    Description

      Output:
      ===

      mysql> create table t1(c1 int);
      		 
      Query OK, 0 rows affected (0.01 sec)
      		 
       
      		 
      mysql> insert into t1 values(1);
      		 
      elect *Query OK, 1 row affected (0.00 sec)
      		 
       
      		 
      mysql> select * from t1 where ( (c1 is not null) >= (not true) ) is not null;
      		 
      Empty set (0.00 sec)
      		 
       
      		 
      mysql> select version();
      		 
      +---------------------+
      		 
      | version()           |
      		 
      +---------------------+
      		 
      | 10.1.10-MariaDB-log |
      		 
      +---------------------+
      		 
      1 row in set (0.00 sec)

      Problem:
      ===
      Where condition is expected to be true and rows expected.

      Recreate:
      ===

      drop table t1;
      		 
      create table t1(c1 int);
      		 
      insert into t1 values(1);
      		 
      select * from t1 where ( (c1 is not null) >= (not true) ) is not null;
      		 
       

      Attachments

        Activity

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          dylan Dylan Su created issue -
          valerii Valerii Kravchuk made changes -
          Field Original Value New Value
          Status Open [ 1 ] Confirmed [ 10101 ]
          valerii Valerii Kravchuk made changes -
          Affects Version/s 10.1.13 [ 21803 ]
          valerii Valerii Kravchuk made changes -
          Fix Version/s 10.1.15 [ 22018 ]
          valerii Valerii Kravchuk made changes -
          Assignee Elena Stepanova [ elenst ]
          elenst Elena Stepanova made changes -
          Fix Version/s 10.1 [ 16100 ]
          Fix Version/s 10.2 [ 14601 ]
          Fix Version/s 10.1.15 [ 22018 ]
          Affects Version/s 5.5 [ 15800 ]
          Affects Version/s 10.0 [ 16000 ]
          Affects Version/s 10.1 [ 16100 ]
          Affects Version/s 10.2 [ 14601 ]
          Assignee Elena Stepanova [ elenst ] Alexander Barkov [ bar ]
          Priority Critical [ 2 ] Major [ 3 ]
          ratzpo Rasmus Johansson (Inactive) made changes -
          Sprint 10.1.15 [ 75 ]
          ratzpo Rasmus Johansson (Inactive) made changes -
          Rank Ranked higher
          bar Alexander Barkov made changes -
          Status Confirmed [ 10101 ] In Progress [ 3 ]
          bar Alexander Barkov made changes -
          Status In Progress [ 3 ] Stalled [ 10000 ]
          bar Alexander Barkov made changes -
          Status Stalled [ 10000 ] In Progress [ 3 ]
          bar Alexander Barkov made changes -
          Assignee Alexander Barkov [ bar ] Sergei Golubchik [ serg ]
          Status In Progress [ 3 ] In Review [ 10002 ]
          serg Sergei Golubchik made changes -
          Assignee Sergei Golubchik [ serg ] Alexander Barkov [ bar ]
          Status In Review [ 10002 ] Stalled [ 10000 ]
          bar Alexander Barkov made changes -
          Status Stalled [ 10000 ] In Progress [ 3 ]
          bar Alexander Barkov made changes -
          Assignee Alexander Barkov [ bar ] Sergei Golubchik [ serg ]
          Status In Progress [ 3 ] In Review [ 10002 ]
          serg Sergei Golubchik made changes -
          Assignee Sergei Golubchik [ serg ] Alexander Barkov [ bar ]
          Status In Review [ 10002 ] Stalled [ 10000 ]
          bar Alexander Barkov made changes -
          Component/s OTHER [ 10125 ]
          Fix Version/s 10.1.15 [ 22018 ]
          Fix Version/s 10.2.1 [ 22012 ]
          Fix Version/s 10.2 [ 14601 ]
          Fix Version/s 10.1 [ 16100 ]
          Resolution Fixed [ 1 ]
          Status Stalled [ 10000 ] Closed [ 6 ]
          serg Sergei Golubchik made changes -
          Fix Version/s 10.2.1 [ 22012 ]
          serg Sergei Golubchik made changes -
          Affects Version/s 10.2 [ 14601 ]
          serg Sergei Golubchik made changes -
          Component/s Optimizer [ 10200 ]
          Component/s OTHER [ 10125 ]
          serg Sergei Golubchik made changes -
          Workflow MariaDB v3 [ 76015 ] MariaDB v4 [ 150523 ]

          People

            bar Alexander Barkov
            dylan Dylan Su
            Votes:
            1 Vote for this issue
            Watchers:
            6 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved:

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