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 (MCOL-5709)

• No data gets loaded into BLOB column and the value is left NULL (MCOL-5746)

• Using regexp_substr on table with engine=columnstore results in error:"Function 'regexp_substr' isn't supported." (MCOL-5328)

• Interactive "mcs cluster stop" command for CMAPI (MCOL-5594)

Issues Fixed

• ORDER BY clause if not included in the GROUP BY clause fails (MCOL-4234)

• Group By ... Order By NULL fails (MCOL-4235)

• Alter table add column leaves table unusable (MCOL-4480)

• select * into file from (select ... group by) produces spurious error (MCOL-4637)

• MariaDB Columnstore all versions: update and inserts behave differently on 0000-00-00 00:00:00 datetime (MCOL-5035)

• Cross-Engine join at text type not supported (MCOL-5056)

• ColumnStore table does not exist after a rename (MCOL-5197)

• Using views leads to an error when an Analyzer report with a measure and a year is built. (MCOL-5236)

• Views with null-replaced timestamps yield incorrect query results (MCOL-5237)

• RAND() uses static seed of 0 (MCOL-5492)

• Resultset will be cut with setting columnstore_um_mem_limit >0 (MCOL-5689)

• CS return error for intersect (MCOL-5699)

• Random columnstore error MCS-2035 with special SELECT structures (MCOL-5704)

Can result in a hang or crash

• CMAPI: ConnectionRefusedError unhandled exception (MCOL-5749)

• Truncate table failed after PrimProc restarted (MCOL-5352)

• mcs-savebrm stores an empty EM on cluster shutdown rendering the cluster unusable (MCOL-5405)

• NULL & non-zero length string, assertion 'mStr || mLength == 0' failed (MCOL-5597)

Can result in unexpected behavior

• Disk join step race with parallel join (more than one thread) (MCOL-5626)

Platforms

In alignment with the enterprise lifecycle, 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)

• Rocky Linux 8 (x86_64, ARM64)

• Rocky Linux 9 (x86_64, ARM64)

• Ubuntu 20.04 (x86_64, ARM64)

• Ubuntu 22.04 (x86_64, ARM64)

• Ubuntu 24.04 (x86_64, ARM64)

Installation Instructions

• ColumnStore Object Storage Topology with MariaDB Enterprise Server 10.6 and MariaDB Enterprise ColumnStore 23.10

• ColumnStore Shared Local Storage Topology with MariaDB Enterprise Server 10.6 and MariaDB Enterprise ColumnStore 23.10

• HTAP Topology with MariaDB Enterprise Server 10.6 and MariaDB Enterprise ColumnStore 23.10

• Single-Node Enterprise ColumnStore 23.10 with MariaDB Enterprise Server 10.6 and Object Storage

• Single-Node Enterprise ColumnStore 23.10 with MariaDB Enterprise Server 10.6

Upgrade Instructions

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

• Major Release Upgrades for MariaDB Enterprise ColumnStore

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