MariaDB ColumnStore 6.4.2 Release Notes

Overview

MariaDB Enterprise ColumnStore 6.4.2 is a maintenance release of MariaDB Enterprise ColumnStore . MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server. This is the sixth release in the Enterprise ColumnStore 6 series.

MariaDB Enterprise ColumnStore 6.4.2 was released on 2022-07-19. This release is of General Availability (GA) maturity.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.6.8-4.

Issues Fixed

Can result in unexpected behavior

• When disk-based aggregations are enabled, aggregations can fail with the ER_INTERNAL_ERROR error code. (MCOL-5153)

  • The following error message could be raised to the client:

ERROR 1815 (HY000): Internal error: TupleAggregateStep::threadedAggregateRowGroups()[24] MCS-2054: 
Unknown error while aggregation.

This change was a speculative bug fix. Please use Enterprise ColumnStore 6.4.4 or later for the complete bug fix.

Platforms

In alignment with the enterprise lifecycle, MariaDB Enterprise ColumnStore 6.4.2 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)

• Rocky Linux 8 (x86_64)

• Ubuntu 18.04 (x86_64)

• Ubuntu 20.04 (x86_64)

_{This page is: Copyright © 2025 MariaDB. All rights reserved.}