Release Notes for MariaDB Xpand 5.3.21

Overview

MariaDB Xpand is a distributed SQL database that is part of MariaDB Enterprise. This release of MariaDB Xpand is a maintenance release.

MariaDB Xpand 5.3.21 was released on 2022-03-23.

Notable Changes

Issues Fixed

Can result in data loss

  • When binlogs are present, the softfail procedure does not properly account for binlog data. (XPT-256)

Can result in unexpected behavior

  • When the binlog indexer is behind, the performance of SHOW BINLOG FILES could be impacted. (XPT-113)

  • Logging for an RBR replication slave does not correctly surface information about errors. (XPT-255)

  • When the binlog indexer encounters a 0-size transaction, the binlog indexer could not proceed, and performance of SHOW BINLOG FILES and TRIM BINLOG could be impacted. (XPT-164)

  • When a query containing an IN(..) list is executed as a prepared statement, the prepared statement could be translated multiple times.

  • When sql_mode=STRICT_TRANS_TABLES is set, a negative value inserted into an UNSIGNED FLOAT does not raise an error. (XPT-143)

  • When sql_mode=STRICT_TRANS_TABLES is set, validation is not performed for FLOAT, DOUBLE, and REAL UNSIGNED. (XPT-143)

  • The CLX tool can not parse Unicode characters.

  • When Python 3 is used, statd fails. (XPT-237)

  • When a password is set for the xpandm user, statd fails.

Install and Upgrade

  • Upgrades could re-set variables that were aliased, such as mysql_port and port. (XPT-162)

Upgrade Instructions