MariaDB ColumnStore 23.10.2 Release Notes

Overview

MariaDB Enterprise ColumnStore 23.10.2 is a feature release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server.

MariaDB Enterprise ColumnStore 23.10.2 was released on 2024-08-19. This release is of General Availability (GA) maturity. MariaDB Enterprise ColumnStore 23.10.2 is a GA release in the 23.10 series.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.6.18-14.

Notable Changes

• Save EM image locally if S3 fails PUT request or avoid saving if shared memory image is damaged or empty ()

• No data gets loaded into BLOB column and the value is left NULL ()

• Using regexp_substr on table with engine=columnstore results in error:"Function 'regexp_substr' isn't supported." ()

Issues Fixed

• ORDER BY clause if not included in the GROUP BY clause fails ()

• Group By ... Order By NULL fails ()

• Alter table add column leaves table unusable ()

• select * into file from (select ... group by) produces spurious error ()

Can result in a hang or crash

• CMAPI: ConnectionRefusedError unhandled exception ()

• Truncate table failed after PrimProc restarted ()

• mcs-savebrm stores an empty EM on cluster shutdown rendering the cluster unusable ()

• NULL & non-zero length string, assertion 'mStr || mLength == 0' failed ()

Can result in unexpected behavior

• Disk join step race with parallel join (more than one thread) ()

Platforms

In alignment with the , MariaDB Enterprise ColumnStore 23.10.2 is provided for:

• Debian 11 (x86_64, ARM64)

• Debian 12 (x86_64, ARM64)

• Red Hat Enterprise Linux 8 (x86_64, ARM64)

• Red Hat Enterprise Linux 9 (x86_64, ARM64)

Installation Instructions

Upgrade Instructions

• Upgrade Multi-Node MariaDB Enterprise ColumnStore from 6 to 23.10