Release Notes for MariaDB Enterprise ColumnStore 6.4.2

This page is part of MariaDB's Documentation.

The parent of this page is: Release Notes for MariaDB Enterprise ColumnStore 6

Topics on this page:

Overview
Issues Fixed
- Can result in unexpected behavior
Platforms

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 to 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)

Note

MariaDB Enterprise ColumnStore 6 has been superseded by MariaDB Enterprise ColumnStore 22.08 in MariaDB Enterprise Server 10.6.