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  1. MariaDB ColumnStore
  2. MCOL-4735

Length may not exceed 8000 for utf8 varchar(2667) column

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 5.5.1, 5.5.2
    • None
    • ?
    • None
    • Docker Debian 9

    Description

      Using server version 10.5.8-MariaDB-1:10.5.8+maria~stretch mariadb.org binary distribution
      with ColumnStore storage engine PLUGIN_AUTH_VERSION 5.4.1-Stable one can get

      CREATE TABLE t1(test varchar(2667)) ENGINE=Columnstore DEFAULT CHARSET=utf8;
      Query OK, 0 rows affected (0.328 sec)

      However, with later releases
      Server version: 10.5.9-MariaDB MariaDB Server
      or
      Server version: 10.5.10-MariaDB-1:10.5.10+maria~stretch mariadb.org binary distribution
      the command above fails:

      CREATE TABLE t1(test varchar(2667)) ENGINE=Columnstore DEFAULT CHARSET=utf8;
      ERROR 1815 (HY000): Internal error: CAL0009: (3)Create table failed due to char, varchar and varbinary length may not exceed 8000

      Only lower length works:

      CREATE TABLE t1(test varchar(2666)) ENGINE=Columnstore DEFAULT CHARSET=utf8;
      Query OK, 0 rows affected (0.299 sec)

      Also the error message looks confusing, since attempt to use varbinary in 10.5.10-MariaDB

      create table t1(name varbinary(800)) engine=Columnstore;

      results in

      ERROR 1178 (42000): The storage engine for the table doesn't support Varbinary is currently not supported by Columnstore.

      and the char length can't exceed 255:

      create table t1(name char(256)) engine=Columnstore;
      ERROR 1074 (42000): Column length too big for column 'name' (max = 255); use BLOB or TEXT instead

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              Unassigned Unassigned
              sasha Sasha V
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              Dates

                Created:
                Updated:
                Resolved:

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