MariaDB ColumnStore 23.10.3 Release Notes

Overview

MariaDB Enterprise ColumnStore 23.10.3 is a maintenance release of MariaDB Enterprise ColumnStore. MariaDB Enterprise ColumnStore is a columnar storage engine included with MariaDB Enterprise Server.

MariaDB Enterprise ColumnStore 23.10.3 was released on 2025-01-27. This release is of General Availability (GA) maturity. MariaDB Enterprise ColumnStore 23.10.3 is a GA release in the 23.10 series.

This release of MariaDB Enterprise ColumnStore is included with MariaDB Enterprise Server 10.6.20-16.

Notable Changes

• NOT LIKE is not compatible with MariaDB on explicit NULL (MCOL-4499)

• LEFT(str, negativeInt) returns a wrong result (MCOL-4671)

• Having not() provokes an ERROR 2013 (MCOL-4756)

• MariaDB Columnstore produces wrong averages on extracted null-datetime fields (like year) (MCOL-5241)

• select-union-select gives corrupted values (MCOL-5307)

• Wrong result ('pNuLl_' instead of NULL) in the TEXT column when LEFT OUTER JOIN is used with WHERE condition (MCOL-5581)

• Incorrect columnstore result | implicit self joins (MCOL-5651)

• UNION query returns incorrect results when one table is ENGINE COLUMNSTORE (MCOL-5669)

• DAY function returns wrong result in query on Columnstore table (MCOL-5670)

• Different Resultset with AllowDiskBasedAggregation = Y (MCOL-5691)

• UNION/INTERSECT/EXCEPT VALUES crashes the server if a ColumnStore table is involved (MCOL-5703)

• Columnstore: SELECT SUM(0) may cause data type unknown error (MCOL-5708)

• ALTER Column VARCHAR | Not Supported (MCOL-5779)

• MariaDB Columnstore 23.10.2: wrong COUNT DISTINCTs in GROUP BY (MCOL-5875)

• SELECT GROUP BY is not picking not-NULL values (MCOL-5755)

• SELECT CONCAT() throws error: MCS-2021 (MCOL-5776)

Issues Fixed

Can result in hang or crash

• Reading a Columnstore table via a view using "count" crashes when the view has "order by" in definition (MCOL-5249)

• CMAPI self-signed cert are expired after one year.. which leads to "Connection refused" messages (MCOL-5454)

• Columnstore crashes/unstable on too large selects (MCOL-5587)

• OOM occurs during disk based aggregation with um_mem_limit > 0 (MCOL-5715)

• SM doesn't quit endless loop when S3 service returns non-retryable error (MCOL-5785)

• MCS crashes when PMSmallSide is raised > 1GB(the current default) (MCOL-5787)

• Memory leaks in plugin code (MCOL-5791)

• RGData ui32 counters limits us with addressing big data (MCOL-5794)

• Separated UM/PM topologies are broken b/c DEC sends request to impossible PM id (MCOL-5805)

• UM/PM roles are broken in DEC::writeToClients (MCOL-5808)

• Columnstore Server crashes when REGEX is matched to function return value (MCOL-5812)

• Pass UBSAN sanity checks (MCOL-5844)

Related to performance

• ByteStreamProcessor is slow with UM JOIN (MCOL-5788)

• Remove boost::iequals from the code because it takes a global lock getting a locale (MCOL-4696)

Platforms

In alignment with the enterprise lifecycle, MariaDB Enterprise ColumnStore 23.10.3 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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