Release Notes for MariaDB Enterprise ColumnStore 6.3.1

Segfault in Storage Manager due to thread limits. (MCOL-3983)

Segfault when using distributed aggregate functions. (MCOL-4807)

Segfault during cpimport to table with large column count. (MCOL-4974)

ExeMgr crashes after a large join, resulting in client-side error ERROR 1815 (HY000): Internal error: IDB-2004: Cannot connect to ExeMgr. (MCOL-4841)

ROUND() on DOUBLE in case statements in conjunction with subqueries can generate incorrect value. (MCOL-4940)

CRC32(), when called with two arguments, against a ColumnStore table, returns the wrong value. (MCOL-4966)

A query with filter condition on subquery with window function can return the wrong result. (MCOL-4570)

Incorrect help text. (MCOL-4834)

On Debian, non-interactive upgrade complains that /etc/columnstore/Columnstore.xml has been modified since installation. (MCOL-4928)

Upgrade from ColumnStore 5 to ColumnStore 6 does not restore saved configuration files. (MCOL-4965)

• Prior to this release, configuration files were saved at uninstall but not restored upon upgrade.

• With this release, ColumnStore configuration files are properly restored upon reinstall. New parameters, included in the configuration files packaged with the release, will not be merged and must be migrated manually.

• With this release, when manually upgrading (uninstall and reinstall), the server.cnf is replaced with the packaged copy.

• With this release, when upgrading by repository, the existing server.cnf is retained.