Release Notes for MariaDB Connector/R2DBC 1.2.0

New timezone option (R2DBC-93)

• The new timezone option can have 3 types of values:

  • disabled (default) : connector doesn't change timezone

  • auto : connector will set timezone connection variable to java default timezone

  • <a java timezone> : connector will set connection variable to the specified timezone. Compared to auto, this avoids having some additional exchange with the server at connection creation

  Examples:

  r2dbc:mariadb://user:pwd@localhost:3306/db?timezone=+5:00
  
  r2dbc:mariadb://user:pwd@localhost:3306/db?timezone=auto
  
  r2dbc:mariadb://user:pwd@localhost:3306/db?timezone=America/New_York
  

• The recommended setting for timezone is auto.

Add support for connection redirection (R2DBC-66)

• With MariaDB Community Server 11.3.1 a new global variable redirect_url value has been added, supported format:

  {mariadb/mysql}://[<user>[:<password>]@]<host>[:<port>]/
  

• When set, all existing connections will be redirected to the designated URL values when appropriate. A connection will only be redirected when no transaction is active.

• Example for enabling the redirection:

  set @@global.redirect_url="mariadb://somehost:3306/"
  

• The redirection feature is enabled by default. It can be disabled by setting the new option permitRedirect to FALSE, which will result in ignoring the redirection URL.

Properly end connection (in place of RST TCP packet) (R2DBC-92)

Failover High availability mode r2dbc:mariadb:[sequential|loadbalancing]://... wrongly parsed (R2DBC-86)

Compatibility with mariadb 11.1.1 (R2DBC-87)

Java 8 compatibility regression (R2DBC-88)

Ensure respecting server collation (R2DBC-91)

Session tracking wrong implementation when multiple system variable changes (R2DBC-94)

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