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  1. MariaDB Server
  2. MDEV-10765

Wrong result - query does not retrieve values from default partition on a table partitioned by list columns

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.2(EOL)
    • 10.2.2
    • Partitioning
    • None
    • 10.2.2-3

    Description

      Output

      MariaDB [test]> create table t1 (i int, j int) partition by list columns(i,j) (partition p1 values in ((10,10)), partition p2 default);
      Query OK, 0 rows affected (0.65 sec)
       
      MariaDB [test]> insert into t1 values (10,1);
      Query OK, 1 row affected (0.06 sec)
       
      MariaDB [test]> select * from t1 where i = 10;
      Empty set (0.00 sec)
      

      MariaDB [test]> explain partitions select * from t1 where i = 10;
      +------+-------------+-------+------------+------+---------------+------+---------+------+------+-------------+
      | id   | select_type | table | partitions | type | possible_keys | key  | key_len | ref  | rows | Extra       |
      +------+-------------+-------+------------+------+---------------+------+---------+------+------+-------------+
      |    1 | SIMPLE      | t1    | p1         | ALL  | NULL          | NULL | NULL    | NULL |    2 | Using where |
      +------+-------------+-------+------------+------+---------------+------+---------+------+------+-------------+
      1 row in set (0.00 sec)
      

      Test case

      drop table if exists t1;
      create table t1 (i int, j int) partition by list columns(i,j) (partition p1 values in ((10,10)), partition p2 default);
      insert into t1 values (10,1);
      select * from t1 where i = 10;
      

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              sanja Oleksandr Byelkin
              elenst Elena Stepanova
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              Dates

                Created:
                Updated:
                Resolved:

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