28.3.22 INFORMATION_SCHEMA PLUGINS 表
The PLUGINS
table provides information about server plugins.
The PLUGINS
table has these columns:
-
PLUGIN_NAME
The name used to refer to the plugin in statements such as
INSTALL PLUGIN
andUNINSTALL PLUGIN
. -
PLUGIN_VERSION
The version from the plugin's general type descriptor.
-
PLUGIN_STATUS
The plugin status, one of
ACTIVE
,INACTIVE
,DISABLED
,DELETING
, orDELETED
. -
PLUGIN_TYPE
The type of plugin, such as
STORAGE ENGINE
,INFORMATION_SCHEMA
, orAUTHENTICATION
. -
PLUGIN_TYPE_VERSION
The version from the plugin's type-specific descriptor.
-
PLUGIN_LIBRARY
The name of the plugin shared library file. This is the name used to refer to the plugin file in statements such as
INSTALL PLUGIN
andUNINSTALL PLUGIN
. This file is located in the directory named by theplugin_dir
system variable. If the library name isNULL
, the plugin is compiled in and cannot be uninstalled withUNINSTALL PLUGIN
. -
PLUGIN_LIBRARY_VERSION
The plugin API interface version.
-
PLUGIN_AUTHOR
The plugin author.
-
PLUGIN_DESCRIPTION
A short description of the plugin.
-
PLUGIN_LICENSE
How the plugin is licensed (for example,
GPL
). -
LOAD_OPTION
How the plugin was loaded. The value is
OFF
,ON
,FORCE
, orFORCE_PLUS_PERMANENT
. See Section 7.6.1, “Installing and Uninstalling Plugins”.
-
PLUGINS
is a nonstandardINFORMATION_SCHEMA
table. -
For plugins installed with
INSTALL PLUGIN
, thePLUGIN_NAME
andPLUGIN_LIBRARY
values are also registered in themysql.plugin
table. -
For information about plugin data structures that form the basis of the information in the
PLUGINS
table, see The MySQL Plugin API.
Plugin information is also available from the SHOW PLUGINS
statement. See Section 15.7.7.26, “SHOW PLUGINS Statement”. These statements are equivalent:
SELECT
PLUGIN_NAME, PLUGIN_STATUS, PLUGIN_TYPE,
PLUGIN_LIBRARY, PLUGIN_LICENSE
FROM INFORMATION_SCHEMA.PLUGINS;
SHOW PLUGINS;