Release Notes for MariaDB Enterprise ColumnStore 6.3.1


MariaDB Enterprise ColumnStore 6.3.1 is a maintenance release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the fourth release in the Enterprise ColumnStore 6 series.

MariaDB Enterprise ColumnStore 6.3.1 was released on 2022-04-25. This release is of General Availability (GA) maturity.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.6.7-3.

Notable Changes

Issues Fixed

Can result in a hang or crash

  • Segfault in Storage Manager due to thread limits. (MCOL-3983)

  • Segfault when using distributed aggregate functions. (MCOL-4807)

  • Segfault during cpimport to table with large column count. (MCOL-4974)

  • ExeMgr crashes after a large join, resulting in client-side error ERROR 1815 (HY000): Internal error: IDB-2004: Cannot connect to ExeMgr. (MCOL-4841)

Can result in unexpected behavior

  • ROUND() on DOUBLE in case statements in conjunction with subqueries can generate incorrect value. (MCOL-4940)

  • CRC32(), when called with two arguments, against a ColumnStore table, returns the wrong value. (MCOL-4966)

  • A query with filter condition on subquery with window function can return the wrong result. (MCOL-4570)

  • Incorrect help text. (MCOL-4834)


In alignment to the enterprise lifecycle, MariaDB Enterprise ColumnStore 6.3.1 is provided for:

  • CentOS 7 (x86_64)

  • Debian 10 (x86_64)

  • Red Hat Enterprise Linux 7 (x86_64)

  • Red Hat Enterprise Linux 8 (x86_64)

  • Ubuntu 18.04 (x86_64)

  • Ubuntu 20.04 (x86_64)


MariaDB Enterprise ColumnStore 6 has been superseded by MariaDB Enterprise ColumnStore 22.08 in MariaDB Enterprise Server 10.6.