MariaDB Connector/C 3.1.5 Release Notes

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Note: This page describes features in the source repository for the MariaDB Connector/C. There are currently no official packages or binaries available for download which contain the version of the driver described here. If you want to try out any of the new features described here you will need to get and compile the code yourself.

This is a Stable (GA) release of the MariaDB Connector/C, formerly known as MariaDB Client Library for C.

For a description of this library see the MariaDB Connector/C page.

Notable Changes

  • CONC-441: Default user name for C/C is wrong if login user is different from effective user
  • MDEV-20469: Plugin dialog could not be loaded (wrong path)
  • ODBC-440: Fixed typo in sha256_password cmake configuration
  • CONC-418: For unknown/not handled schannel error codes FormatMessage function will be used instead of returning "Unknown error" message.
  • CONC-417, MDEV-13492: At irregular intervals older windows versions (prior Windows 10) fail to establish a secure (TLS) connection and return errors SEC_E_INVALID_TOKEN, SEC_E_BUFFER_TOO_SMALL or SEC_E_MESSAGE_ALTERED. This is a bug in windows schannel library and was only fixed in recent versions, also OpenSSL provided a workaround (see https://github.com/openssl/openssl/pull/1350). Since we are unable to fix this, in case of an error during TLS handshake the errorcode Connector/C will try to reconnect up to three times if the error code was SEC_E_INVALID_TOKEN, SEC_E_BUFFER_TOO_SMALL or SEC_E_MESSAGE_ALTERED.
  • Included in MariaDB 10.4.10, MariaDB 10.3.20, and MariaDB 10.2.29

Changelog

For a list of changes made in this release, with links to detailed information on each push, see the changelog.


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