install plugin handlersocket soname 'handlersocket.so';
select plugin_name, plugin_version, plugin_status, plugin_type, plugin_library, plugin_library_version, plugin_author, plugin_description plugin_license, plugin_maturity, plugin_auth_version from information_schema.plugins where plugin_name = 'handlersocket';
plugin_name	handlersocket
plugin_version	1.0
plugin_status	ACTIVE
plugin_type	DAEMON
plugin_library	handlersocket.so
plugin_library_version	0.0
plugin_author	higuchi dot akira at dena dot jp
plugin_license	
plugin_maturity	Unknown
plugin_auth_version	Unknown
uninstall plugin handlersocket;