- 20 INFORMATION_SCHEMA Tables
- 20.1 The INFORMATION_SCHEMA SCHEMATA Table
- 20.2 The INFORMATION_SCHEMA TABLES Table
- 20.3 The INFORMATION_SCHEMA COLUMNS Table
- 20.4 The INFORMATION_SCHEMA STATISTICS Table
- 20.5 The INFORMATION_SCHEMA USER_PRIVILEGES Table
- 20.6 The INFORMATION_SCHEMA SCHEMA_PRIVILEGES Table
- 20.7 The INFORMATION_SCHEMA TABLE_PRIVILEGES Table
- 20.8 The INFORMATION_SCHEMA COLUMN_PRIVILEGES Table
- 20.9 The INFORMATION_SCHEMA CHARACTER_SETS Table
- 20.10 The INFORMATION_SCHEMA COLLATIONS Table
- 20.11 The INFORMATION_SCHEMA COLLATION_CHARACTER_SET_APPLICABILITY Table
- 20.12 The INFORMATION_SCHEMA TABLE_CONSTRAINTS Table
- 20.13 The INFORMATION_SCHEMA KEY_COLUMN_USAGE Table
- 20.14 The INFORMATION_SCHEMA ROUTINES Table
- 20.15 The INFORMATION_SCHEMA VIEWS Table
- 20.16 The INFORMATION_SCHEMA TRIGGERS Table
- 20.17 The INFORMATION_SCHEMA PLUGINS Table
- 20.18 The INFORMATION_SCHEMA ENGINES Table
- 20.19 The INFORMATION_SCHEMA PARTITIONS Table
- 20.20 The INFORMATION_SCHEMA EVENTS Table
- 20.21 The INFORMATION_SCHEMA FILES Table
- 20.22 The INFORMATION_SCHEMA PROCESSLIST Table
- 20.23 The INFORMATION_SCHEMA REFERENTIAL_CONSTRAINTS Table
- 20.24 The INFORMATION_SCHEMA GLOBAL_STATUS and SESSION_STATUS Tables
- 20.25 The INFORMATION_SCHEMA GLOBAL_VARIABLES and SESSION_VARIABLES Tables
- 20.26 The INFORMATION_SCHEMA PROFILING Table
- 20.27 Other INFORMATION_SCHEMA Tables
- 20.28 Extensions to SHOW Statements
The PLUGINS table provides
information about server plugins.
INFORMATION_SCHEMA
Name |
SHOW
Name |
Remarks |
PLUGIN_NAME |
Name |
MySQL extension |
PLUGIN_VERSION |
MySQL extension | |
PLUGIN_STATUS |
Status |
MySQL extension |
PLUGIN_TYPE |
Type |
MySQL extension |
PLUGIN_TYPE_VERSION |
MySQL extension | |
PLUGIN_LIBRARY |
Library |
MySQL extension |
PLUGIN_LIBRARY_VERSION |
MySQL extension | |
PLUGIN_AUTHOR |
MySQL extension | |
PLUGIN_DESCRIPTION |
MySQL extension | |
PLUGIN_LICENSE |
MySQL extension |
Notes:
The
PLUGINStable is a nonstandard table. It was added in MySQL 5.1.5.PLUGIN_NAMEis the name used to refer to the plugin in statements such asINSTALL PLUGINandUNINSTALL PLUGIN.PLUGIN_VERSIONis the version from the plugin's general type descriptor.PLUGIN_STATUSindicates the plugin status, one ofACTIVE,INACTIVE,DISABLED, orDELETED.PLUGIN_TYPEindicates the type of plugin, such asSTORAGE ENGINEorINFORMATION_SCHEMA.PLUGIN_TYPE_VERSIONis the version from the plugin's type-specific descriptor.PLUGIN_LIBRARYis the name of the plugin shared object file. This is the name used to refer to the plugin file in statements such asINSTALL PLUGINandUNINSTALL PLUGIN. This file is located in the directory named by theplugin_dirsystem variable. If the library name isNULL, the plugin is compiled in and cannot be uninstalled withUNINSTALL PLUGIN.PLUGIN_LIBRARY_VERSIONindicates the plugin API interface version.PLUGIN_AUTHORnames the plugin author.PLUGIN_DESCRIPTIONprovides a short description of the plugin.PLUGIN_LICENSEindicates how the plugin is licensed; for example,GPL. This column was added in MySQL 5.1.12.
For plugins installed with INSTALL
PLUGIN, the PLUGIN_NAME and
PLUGIN_LIBARY values are also registered in the
mysql.plugin table.
These statements are equivalent:
SELECT PLUGIN_NAME, PLUGIN_STATUS, PLUGIN_TYPE, PLUGIN_LIBRARY, PLUGIN_LICENSE FROM INFORMATION_SCHEMA.PLUGINS; SHOW PLUGINS;
For information about plugin data structures that form the basis
of the information in the PLUGINS
table, see Section 22.2, “The MySQL Plugin API”.
Plugin information is also available using the
SHOW PLUGINS statement. See
Section 12.4.5.27, “SHOW PLUGINS Syntax”.
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