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5.6.6.2 Installing or Uninstalling Version Tokens
If installed, Version Tokens involves some overhead. To avoid this overhead, do not install it unless you plan to use it.
This section describes how to install or uninstall Version Tokens, which is implemented in a plugin library file containing a plugin and user-defined functions (UDFs). For general information about installing or uninstalling plugins and UDFs, see Section 5.6.1, “Installing and Uninstalling Plugins”, and Section 5.7.1, “Installing and Uninstalling User-Defined Functions”.
To be usable by the server, the plugin library file must be
located in the MySQL plugin directory (the directory named by
the plugin_dir
system
variable). If necessary, configure the plugin directory location
by setting the value of
plugin_dir
at server startup.
The plugin library file base name is
version_tokens
. The file name suffix differs
per platform (for example, .so
for Unix and
Unix-like systems, .dll
for Windows).
To install the Version Tokens plugin and UDFs, use the
INSTALL PLUGIN
and
CREATE FUNCTION
statements
(adjust the .so
suffix for your platform as
necessary):
You must install the UDFs to manage the server's version token list, but you must also install the plugin because the UDFs will not work correctly without it.
If the plugin and UDFs are used on a master replication server, install them on all slave servers as well to avoid replication problems.
Once installed as just described, the plugin and UDFs remain
installed until uninstalled. To remove them, use the
UNINSTALL PLUGIN
and
DROP FUNCTION
statements:
Document created the 26/06/2006, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/mysql-rf-version-tokens-installation.html
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