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  1. MariaDB ColumnStore
  2. MCOL-979

Crash with LEAD function in ColumnStore with 'char' field type

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 1.0.11
    • 1.0.12, 1.1.1
    • None
    • None
    • 2017-21

    Description

      Steps to reproduce:

      Install base columnstore package mariadb-columnstore-1.0.11-1-x86_64-stretch
      postConfigure uses defaults, single server install.

      use test;
      create table ct1 (a int, b char) engine=columnstore;
       
      insert into ct1 values (1, 'a'), (2, 'b'), (3, NULL);
      select lead(a) over (order by a) from ct1;  -- Correct result
      select lead(b, 1, 'T') over (order by a) from ct1;  -- Correct result
      select lead(b) over (order by a) from ct1;  -- Crash happens here
      select lead(b, 1, NULL) over (order by a) from ct1;  -- This also crashes
      

       
      MariaDB [test]> select lead(b, 1, NULL) over (order by a) from ct1;
      ERROR 1815 (HY000): Internal error: InetStreamSocket::readToMagic: Remote is closed
      MariaDB [test]> select lead(b, 3, NULL) over (order by a) from ct1;
      ERROR 1815 (HY000): Internal error: InetStreamSocket::readToMagic: Remote is closed
      

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            dleeyh Daniel Lee (Inactive)
            cvicentiu Vicențiu Ciorbaru
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              Updated:
              Resolved:

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