{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1713448255,
                "last": 1713448255,
                "now": 1713448255
            },
            "token": "tXByPS1fNtdB9JcmZ4ZZxYiqnRcE7ihe"
        },
        "registry": {
            "mailto": {
                "mailto": {
                    "form": {
                        "data": {
                            "link": "e33d3c09c12106cb062d527d8c9276b8b1829181",
                            "sender": "",
                            "subject": "",
                            "emailfrom": "",
                            "emailto": ""
                        }
                    }
                }
            }
        },
        "user": {
            "id": 0,
            "name": null,
            "username": null,
            "email": null,
            "password": null,
            "password_clear": "",
            "block": null,
            "sendEmail": 0,
            "registerDate": null,
            "lastvisitDate": null,
            "activation": null,
            "params": null,
            "groups": [],
            "guest": 1,
            "lastResetTime": null,
            "resetCount": null,
            "requireReset": null,
            "aid": 0
        },
        "plg_system_languagefilter": {
            "language": "zh-CN"
        }
    }
}

耗时

占用内存

19 个查询记入日志，耗时： 13.18 ms

1. 查询耗时: 0.55 ms 查询占用内存: 0.023 MB 查询前内存: 1.007 MB 查询结果条数: 0

   SELECT `data`
   
     FROM `jos_session`
   
     WHERE `session_id` = 'al3bdc50a94jugcjipebn8ghng'

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_session	const	PRIMARY	PRIMARY	766	const	1

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.01 ms
   checking query cache for query	0.04 ms
   checking permissions	0.01 ms
   Opening tables	0.01 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   Table lock	0.00 ms
   After table lock	0.01 ms
   Waiting for query cache lock	0.00 ms
   After table lock	0.03 ms
   init	0.01 ms
   optimizing	0.01 ms
   statistics	0.26 ms
   preparing	0.01 ms
   executing	0.01 ms
   end	0.01 ms
   query end	0.01 ms
   closing tables	0.01 ms
   freeing items	0.01 ms
   updating status	0.01 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.02 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.00 ms
   storing result in query cache	0.01 ms
   cleaning up	0.01 ms

   调用堆栈

   #	调用	文件和行数
   16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1730
   15	JDatabaseDriver->loadResult()	JROOT/libraries/joomla/session/storage/database.php:45
   14	JSessionStorageDatabase->read()	与行下面的调用一致.
   13	session_start()	JROOT/libraries/joomla/session/handler/native.php:260
   12	JSessionHandlerNative->doSessionStart()	JROOT/libraries/joomla/session/handler/native.php:50
   11	JSessionHandlerNative->start()	JROOT/libraries/joomla/session/handler/joomla.php:88
   10	JSessionHandlerJoomla->start()	JROOT/libraries/src/Session/Session.php:660
   9	Joomla\CMS\Session\Session->_start()	JROOT/libraries/src/Session/Session.php:620
   8	Joomla\CMS\Session\Session->start()	JROOT/libraries/src/Session/Session.php:498
   7	Joomla\CMS\Session\Session->get()	JROOT/libraries/src/Session/Session.php:455
   6	Joomla\CMS\Session\Session->isNew()	JROOT/libraries/src/Application/CMSApplication.php:755
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:134
   4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
   3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:343
   2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
   1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:46

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

2. 查询耗时: 0.27 ms 完成查询后内存: 0.27 ms 查询占用内存: 0.020 MB 查询前内存: 1.021 MB 查询结果条数: 0

   SELECT `session_id`
   
     FROM `jos_session`
   
     WHERE `session_id` = 'al3bdc50a94jugcjipebn8ghng' 
     LIMIT 1

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_session	const	PRIMARY	PRIMARY	766	const	1	Using index

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.00 ms
   checking query cache for query	0.02 ms
   checking permissions	0.01 ms
   Opening tables	0.01 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   Table lock	0.00 ms
   After table lock	0.01 ms
   Waiting for query cache lock	0.00 ms
   After table lock	0.03 ms
   init	0.01 ms
   optimizing	0.01 ms
   statistics	0.02 ms
   preparing	0.01 ms
   executing	0.01 ms
   end	0.01 ms
   query end	0.01 ms
   closing tables	0.01 ms
   freeing items	0.01 ms
   updating status	0.00 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.02 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.00 ms
   storing result in query cache	0.01 ms
   cleaning up	0.02 ms

   调用堆栈

   #	调用	文件和行数
   9	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1730
   8	JDatabaseDriver->loadResult()	JROOT/libraries/src/Session/MetadataManager.php:74
   7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT/libraries/src/Application/CMSApplication.php:152
   6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:757
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:134
   4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
   3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:343
   2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
   1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:46

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

3. 查询耗时: 0.65 ms 完成查询后内存: 0.07 ms 查询占用内存: 0.004 MB 查询前内存: 1.026 MB

   INSERT INTO `jos_session`
   (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES 
   ('al3bdc50a94jugcjipebn8ghng', 1, '1713448255', 0, '', 0)

   详细信息

   不可能查询 EXPLAIN 字段: INSERT INTO `jos_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES ('al3bdc50a94jugcjipebn8ghng', 1, '1713448255', 0, '', 0)

   简要说明

   Status	Duration
   starting	0.02 ms
   checking permissions	0.01 ms
   Opening tables	0.01 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   Table lock	0.00 ms
   After table lock	0.00 ms
   init	0.01 ms
   update	0.24 ms
   Waiting for query cache lock	0.01 ms
   update	0.02 ms
   end	0.01 ms
   query end	0.24 ms
   closing tables	0.01 ms
   freeing items	0.01 ms
   updating status	0.02 ms
   cleaning up	0.01 ms

   调用堆栈

   #	调用	文件和行数
   8	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Session/MetadataManager.php:116
   7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT/libraries/src/Application/CMSApplication.php:152
   6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:757
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:134
   4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
   3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:343
   2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
   1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:46

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

4. 查询耗时: 1.00 ms 完成查询后内存: 0.39 ms 查询占用内存: 0.024 MB 查询前内存: 1.057 MB 查询结果条数: 38

   SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`
   
     FROM `jos_extensions`
   
     WHERE `type` = 'component'

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_extensions	ref	extension	extension	82	const	38	Using index condition

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.00 ms
   checking query cache for query	0.02 ms
   checking permissions	0.01 ms
   Opening tables	0.01 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   Table lock	0.00 ms
   After table lock	0.01 ms
   Waiting for query cache lock	0.00 ms
   After table lock	0.02 ms
   init	0.01 ms
   optimizing	0.01 ms
   statistics	0.17 ms
   preparing	0.01 ms
   executing	0.01 ms
   Sending data	0.56 ms
   end	0.01 ms
   query end	0.01 ms
   closing tables	0.01 ms
   freeing items	0.01 ms
   updating status	0.01 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.03 ms
   Waiting for query cache lock	0.01 ms
   updating status	0.00 ms
   storing result in query cache	0.01 ms
   cleaning up	0.00 ms

   调用堆栈

   #	调用	文件和行数
   12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
   11	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Component/ComponentHelper.php:423
   10	Joomla\CMS\Component\ComponentHelper::Joomla\CMS\Component\{closure}()	与行下面的调用一致.
   9	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
   8	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Component/ComponentHelper.php:431
   7	Joomla\CMS\Component\ComponentHelper::load()	JROOT/libraries/src/Component/ComponentHelper.php:497
   6	Joomla\CMS\Component\ComponentHelper::getComponents()	JROOT/libraries/src/Component/ComponentHelper.php:44
   5	Joomla\CMS\Component\ComponentHelper::getComponent()	JROOT/libraries/src/Component/ComponentHelper.php:103
   4	Joomla\CMS\Component\ComponentHelper::getParams()	JROOT/libraries/src/Application/SiteApplication.php:596
   3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

5. 查询耗时: 0.11 ms 完成查询后内存: 0.39 ms 查询占用内存: 0.021 MB 查询前内存: 1.083 MB 查询结果条数: 5

   SELECT id, rules
   
     FROM `jos_viewlevels`

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_viewlevels	ALL	NULL	没有可用的索引键	NULL	NULL	5

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.01 ms
   checking query cache for query	0.01 ms
   checking privileges on cached	0.01 ms
   checking permissions	0.01 ms
   sending cached result to clien	0.02 ms
   updating status	0.01 ms
   cleaning up	0.00 ms

   调用堆栈

   #	调用	文件和行数
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1496
   9	JDatabaseDriver->loadAssocList()	JROOT/libraries/src/Access/Access.php:1063
   8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT/libraries/src/User/User.php:458
   7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT/libraries/src/Plugin/PluginHelper.php:310
   6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
   5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
   4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:606
   3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

6. 查询耗时: 0.10 ms 完成查询后内存: 0.08 ms 查询占用内存: 0.021 MB 查询前内存: 1.095 MB 查询结果条数: 2

   SELECT b.id
   
     FROM jos_usergroups AS a
   
     LEFT JOIN jos_usergroups AS b 
     ON b.lft <= a.lft 
     AND b.rgt >= a.rgt
   
     WHERE a.id = 9

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	a	const	PRIMARY	PRIMARY	4	const	1
   1	SIMPLE	b	range	idx_usergroup_nested_set_lookup	idx_usergroup_nested_set_lookup	4	NULL	3	Using where; Using index

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.00 ms
   checking query cache for query	0.01 ms
   checking privileges on cached	0.00 ms
   checking permissions	0.01 ms
   checking permissions	0.00 ms
   sending cached result to clien	0.02 ms
   updating status	0.01 ms
   cleaning up	0.00 ms

   调用堆栈

   #	调用	文件和行数
   11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1540
   10	JDatabaseDriver->loadColumn()	JROOT/libraries/src/Access/Access.php:980
   9	Joomla\CMS\Access\Access::getGroupsByUser()	JROOT/libraries/src/Access/Access.php:1095
   8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT/libraries/src/User/User.php:458
   7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT/libraries/src/Plugin/PluginHelper.php:310
   6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
   5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
   4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:606
   3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

7. 查询耗时: 1.21 ms 完成查询后内存: 0.11 ms 查询占用内存: 0.030 MB 查询前内存: 1.116 MB 查询结果条数: 74

   SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id`
   
     FROM jos_extensions
   
     WHERE enabled = 1 
     AND type = 'plugin' 
     AND state IN (0,1) 
     AND access IN (1,1,5)
   
     ORDER BY ordering

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_extensions	ref	extension	extension	82	const	99	Using index condition; Using where; 使用文件排序

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.00 ms
   checking query cache for query	0.06 ms
   checking permissions	0.01 ms
   Opening tables	0.01 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   Table lock	0.01 ms
   After table lock	0.01 ms
   Waiting for query cache lock	0.00 ms
   After table lock	0.02 ms
   init	0.02 ms
   optimizing	0.02 ms
   statistics	0.04 ms
   preparing	0.02 ms
   executing	0.01 ms
   Sorting result	0.55 ms
   Sending data	0.25 ms
   end	0.02 ms
   query end	0.01 ms
   closing tables	0.01 ms
   freeing items	0.01 ms
   updating status	0.01 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.02 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.00 ms
   storing result in query cache	0.01 ms
   cleaning up	0.01 ms

   调用堆栈

   #	调用	文件和行数
   11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
   10	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Plugin/PluginHelper.php:343
   9	Joomla\CMS\Plugin\PluginHelper::Joomla\CMS\Plugin\{closure}()	与行下面的调用一致.
   8	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
   7	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Plugin/PluginHelper.php:348
   6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
   5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
   4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:606
   3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

8. 查询耗时: 0.15 ms 完成查询后内存: 3.62 ms 查询占用内存: 0.024 MB 查询前内存: 1.414 MB 查询结果条数: 13

   SELECT *
   
     FROM jos_languages
   
     WHERE published=1
   
     ORDER BY ordering ASC

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_languages	ALL	NULL	没有可用的索引键	NULL	NULL	13	Using where; 使用文件排序

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.01 ms
   checking query cache for query	0.01 ms
   checking privileges on cached	0.00 ms
   checking permissions	0.01 ms
   sending cached result to clien	0.02 ms
   updating status	0.01 ms
   cleaning up	0.01 ms

   调用堆栈

   #	调用	文件和行数
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
   9	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/LanguageHelper.php:150
   8	Joomla\CMS\Language\LanguageHelper::getLanguages()	JROOT/plugins/system/languagefilter/languagefilter.php:98
   7	PlgSystemLanguageFilter->__construct()	JROOT/libraries/src/Plugin/PluginHelper.php:272
   6	Joomla\CMS\Plugin\PluginHelper::import()	JROOT/libraries/src/Plugin/PluginHelper.php:182
   5	Joomla\CMS\Plugin\PluginHelper::importPlugin()	JROOT/libraries/src/Application/CMSApplication.php:622
   4	Joomla\CMS\Application\CMSApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:688
   3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

9. 查询耗时: 0.80 ms 完成查询后内存: 0.16 ms 查询占用内存: 0.023 MB 查询前内存: 1.434 MB 查询结果条数: 28

   SELECT `element`,`name`,`client_id`,`extension_id`
   
     FROM `jos_extensions`
   
     WHERE `type` = 'language' 
     AND `state` = 0 
     AND `enabled` = 1

   详细信息

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	jos_extensions	ref	extension	extension	82	const	28	Using index condition; Using where

   简要说明

   Status	Duration
   starting	0.01 ms
   Waiting for query cache lock	0.00 ms
   checking query cache for query	0.04 ms
   checking permissions	0.01 ms
   Opening tables	0.01 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   Table lock	0.01 ms
   After table lock	0.01 ms
   Waiting for query cache lock	0.00 ms
   After table lock	0.23 ms
   init	0.02 ms
   optimizing	0.02 ms
   statistics	0.05 ms
   preparing	0.02 ms
   executing	0.01 ms
   Sending data	0.20 ms
   end	0.01 ms
   query end	0.01 ms
   closing tables	0.01 ms
   freeing items	0.01 ms
   updating status	0.01 ms
   Waiting for query cache lock	0.00 ms
   updating status	0.02 ms
   Waiting for query cache lock	0.01 ms
   updating status	0.00 ms
   storing result in query cache	0.00 ms
   cleaning up	0.01 ms

   调用堆栈

   #	调用	文件和行数
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
   9	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/LanguageHelper.php:209
   8	Joomla\CMS\Language\LanguageHelper::getInstalledLanguages()	JROOT/plugins/system/languagefilter/languagefilter.php:109
   7	PlgSystemLanguageFilter->__construct()	JROOT/libraries/src/Plugin/PluginHelper.php:272
   6	Joomla\CMS\Plugin\PluginHelper::import()	JROOT/libraries/src/Plugin/PluginHelper.php:182
   5	Joomla\CMS\Plugin\PluginHelper::importPlugin()	JROOT/libraries/src/Application/CMSApplication.php:622
   4	Joomla\CMS\Application\CMSApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:688
   3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

   [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

   ---

10. 查询耗时: 2.82 ms 完成查询后内存: 5.10 ms 查询占用内存: 0.200 MB 查询前内存: 1.586 MB 查询结果条数: 156

    SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,`m`.`browserNav`, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component
    
      FROM jos_menu AS m
    
      LEFT JOIN jos_extensions AS e 
      ON m.component_id = e.extension_id
    
      WHERE m.published = 1 
      AND m.parent_id > 0 
      AND m.client_id = 0
    
      ORDER BY m.lft

    详细信息

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
    1	SIMPLE	m	ALL	idx_client_id_parent_id_alias_language	没有可用的索引键	NULL	NULL	207	Using where; 使用文件排序
    1	SIMPLE	e	eq_ref	PRIMARY	PRIMARY	4	michel_schooyans_joomla.m.component_id	1	Using where

    简要说明

    Status	Duration
    starting	0.02 ms
    Waiting for query cache lock	0.00 ms
    checking query cache for query	0.05 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    Opening tables	0.01 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    Table lock	0.00 ms
    After table lock	0.01 ms
    Waiting for query cache lock	0.02 ms
    After table lock	0.02 ms
    init	0.02 ms
    optimizing	0.02 ms
    statistics	0.16 ms
    preparing	0.02 ms
    executing	0.01 ms
    Sorting result	0.90 ms
    Sending data	0.22 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.17 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.15 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.15 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.15 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.15 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.15 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.17 ms
    Waiting for query cache lock	0.01 ms
    Sending data	0.06 ms
    end	0.01 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    updating status	0.01 ms
    Waiting for query cache lock	0.00 ms
    updating status	0.02 ms
    Waiting for query cache lock	0.01 ms
    updating status	0.00 ms
    storing result in query cache	0.01 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    23	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
    22	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Menu/SiteMenu.php:93
    21	Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()	与行下面的调用一致.
    20	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    19	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Menu/SiteMenu.php:101
    18	Joomla\CMS\Menu\SiteMenu->load()	JROOT/libraries/src/Menu/AbstractMenu.php:76
    17	Joomla\CMS\Menu\AbstractMenu->__construct()	JROOT/libraries/src/Menu/SiteMenu.php:62
    16	Joomla\CMS\Menu\SiteMenu->__construct()	JROOT/libraries/src/Menu/AbstractMenu.php:131
    15	Joomla\CMS\Menu\AbstractMenu::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:374
    14	Joomla\CMS\Application\CMSApplication->getMenu()	JROOT/libraries/src/Application/SiteApplication.php:275
    13	Joomla\CMS\Application\SiteApplication->getMenu()	JROOT/libraries/src/Router/SiteRouter.php:64
    12	Joomla\CMS\Router\SiteRouter->__construct()	JROOT/libraries/src/Router/Router.php:189
    11	Joomla\CMS\Router\Router::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:488
    10	Joomla\CMS\Application\CMSApplication::getRouter()	JROOT/libraries/src/Application/SiteApplication.php:405
    9	Joomla\CMS\Application\SiteApplication::getRouter()	JROOT/plugins/system/languagefilter/languagefilter.php:130
    8	PlgSystemLanguageFilter->onAfterInitialise()	JROOT/libraries/joomla/event/event.php:70
    7	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    6	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    5	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:623
    4	Joomla\CMS\Application\CMSApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:688
    3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

11. 查询耗时: 1.29 ms 完成查询后内存: 8.53 ms 查询占用内存: 0.022 MB 查询前内存: 2.486 MB 查询结果条数: 1

    SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`
    
      FROM `jos_extensions`
    
      WHERE `type` = 'library' 
      AND `element` = 'joomla'

    详细信息

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
    1	SIMPLE	jos_extensions	ref	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	Using index condition

    简要说明

    Status	Duration
    starting	0.03 ms
    Waiting for query cache lock	0.01 ms
    checking query cache for query	0.07 ms
    checking permissions	0.01 ms
    Opening tables	0.02 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    Table lock	0.01 ms
    After table lock	0.01 ms
    Waiting for query cache lock	0.01 ms
    After table lock	0.25 ms
    init	0.04 ms
    optimizing	0.03 ms
    statistics	0.46 ms
    preparing	0.03 ms
    executing	0.01 ms
    Sending data	0.07 ms
    end	0.01 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    updating status	0.01 ms
    Waiting for query cache lock	0.01 ms
    updating status	0.03 ms
    Waiting for query cache lock	0.01 ms
    updating status	0.01 ms
    storing result in query cache	0.01 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    15	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1652
    14	JDatabaseDriver->loadObject()	JROOT/libraries/src/Helper/LibraryHelper.php:167
    13	Joomla\CMS\Helper\LibraryHelper::Joomla\CMS\Helper\{closure}()	与行下面的调用一致.
    12	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    11	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Helper/LibraryHelper.php:175
    10	Joomla\CMS\Helper\LibraryHelper::loadLibrary()	JROOT/libraries/src/Helper/LibraryHelper.php:43
    9	Joomla\CMS\Helper\LibraryHelper::getLibrary()	JROOT/libraries/src/Helper/LibraryHelper.php:90
    8	Joomla\CMS\Helper\LibraryHelper::getParams()	JROOT/libraries/src/Version.php:321
    7	Joomla\CMS\Version->getMediaVersion()	JROOT/libraries/src/Factory.php:778
    6	Joomla\CMS\Factory::createDocument()	JROOT/libraries/src/Factory.php:234
    5	Joomla\CMS\Factory::getDocument()	JROOT/libraries/src/Application/WebApplication.php:1113
    4	Joomla\CMS\Application\WebApplication->loadDocument()	JROOT/libraries/src/Application/SiteApplication.php:133
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

12. 查询耗时: 0.97 ms 完成查询后内存: 0.15 ms 查询占用内存: 0.005 MB 查询前内存: 2.476 MB

    UPDATE `jos_extensions`
    
      SET `params` = '{\"mediaversion\":\"4813d5005ac689cdb806f335c9e4e400\"}'
    
      WHERE `type` = 'library' 
      AND `element` = 'joomla'

    详细信息

    不可能查询 EXPLAIN 字段: UPDATE `jos_extensions` SET `params` = '{\"mediaversion\":\"4813d5005ac689cdb806f335c9e4e400\"}' WHERE `type` = 'library' AND `element` = 'joomla'

    简要说明

    Status	Duration
    starting	0.04 ms
    checking permissions	0.01 ms
    Opening tables	0.01 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    Table lock	0.01 ms
    After table lock	0.01 ms
    init	0.08 ms
    Updating	0.23 ms
    end	0.01 ms
    Waiting for query cache lock	0.01 ms
    end	0.06 ms
    query end	0.38 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    updating status	0.03 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    10	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Helper/LibraryHelper.php:117
    9	Joomla\CMS\Helper\LibraryHelper::saveParams()	JROOT/libraries/src/Version.php:372
    8	Joomla\CMS\Version->setMediaVersion()	JROOT/libraries/src/Version.php:331
    7	Joomla\CMS\Version->getMediaVersion()	JROOT/libraries/src/Factory.php:778
    6	Joomla\CMS\Factory::createDocument()	JROOT/libraries/src/Factory.php:234
    5	Joomla\CMS\Factory::getDocument()	JROOT/libraries/src/Application/WebApplication.php:1113
    4	Joomla\CMS\Application\WebApplication->loadDocument()	JROOT/libraries/src/Application/SiteApplication.php:133
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

13. 查询耗时: 0.93 ms 完成查询后内存: 0.41 ms 查询占用内存: 0.019 MB 查询前内存: 2.497 MB 查询结果条数: 6

    SELECT id, home, template, s.params
    
      FROM jos_template_styles as s
    
      LEFT JOIN jos_extensions as e 
      ON e.element=s.template 
      AND e.type='template' 
      AND e.client_id=s.client_id
    
      WHERE s.client_id = 0 
      AND e.enabled = 1

    详细信息

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
    1	SIMPLE	s	ALL	idx_template	没有可用的索引键	NULL	NULL	12	Using where
    1	SIMPLE	e	ref	element_clientid,element_folder_clientid,extension	element_clientid	403	michel_schooyans_joomla.s.template,const	1	Using index condition; Using where

    简要说明

    Status	Duration
    starting	0.01 ms
    Waiting for query cache lock	0.01 ms
    checking query cache for query	0.06 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    Opening tables	0.02 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    Table lock	0.01 ms
    After table lock	0.01 ms
    Waiting for query cache lock	0.01 ms
    After table lock	0.03 ms
    init	0.03 ms
    optimizing	0.03 ms
    statistics	0.08 ms
    preparing	0.03 ms
    executing	0.01 ms
    Sending data	0.37 ms
    end	0.01 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    updating status	0.01 ms
    Waiting for query cache lock	0.01 ms
    updating status	0.06 ms
    Waiting for query cache lock	0.01 ms
    updating status	0.01 ms
    storing result in query cache	0.07 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    6	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
    5	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Application/SiteApplication.php:488
    4	Joomla\CMS\Application\SiteApplication->getTemplate()	JROOT/libraries/src/Application/SiteApplication.php:168
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

14. 查询耗时: 0.26 ms 完成查询后内存: 3.84 ms 查询占用内存: 0.027 MB 查询前内存: 2.722 MB 查询结果条数: 0

    SELECT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state
    
      FROM jos_fields AS a
    
      LEFT JOIN `jos_languages` AS l 
      ON l.lang_code = a.language
    
      LEFT JOIN jos_users AS uc 
      ON uc.id=a.checked_out
    
      LEFT JOIN jos_viewlevels AS ag 
      ON ag.id = a.access
    
      LEFT JOIN jos_users AS ua 
      ON ua.id = a.created_user_id
    
      LEFT JOIN jos_fields_groups AS g 
      ON g.id = a.group_id
    
      WHERE a.context = 'com_mailto.mailto' 
      AND a.access IN (1,1,5) 
      AND (a.group_id = 0 OR g.access IN (1,1,5)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)
    
      ORDER BY a.ordering ASC

    详细信息

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
    1	SIMPLE	a	ref	idx_state,idx_access,idx_context	idx_state	1	const	1	Using where; 使用文件排序
    1	SIMPLE	l	eq_ref	idx_langcode	idx_langcode	28	michel_schooyans_joomla.a.language	1	Using where
    1	SIMPLE	uc	eq_ref	PRIMARY	PRIMARY	4	michel_schooyans_joomla.a.checked_out	1
    1	SIMPLE	ag	eq_ref	PRIMARY	PRIMARY	4	michel_schooyans_joomla.a.access	1	Using where
    1	SIMPLE	ua	eq_ref	PRIMARY	PRIMARY	4	michel_schooyans_joomla.a.created_user_id	1	Using where
    1	SIMPLE	g	eq_ref	PRIMARY	PRIMARY	4	michel_schooyans_joomla.a.group_id	1	Using where

    简要说明

    Status	Duration
    starting	0.04 ms
    Waiting for query cache lock	0.01 ms
    checking query cache for query	0.02 ms
    checking privileges on cached	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    sending cached result to clien	0.03 ms
    updating status	0.01 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    24	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
    23	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
    22	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:327
    21	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
    20	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
    19	FieldsHelper::getFields()	JROOT/administrator/components/com_fields/helpers/fields.php:286
    18	FieldsHelper::prepareForm()	JROOT/plugins/system/fields/fields.php:289
    17	PlgSystemFields->onContentPrepareForm()	JROOT/libraries/joomla/event/event.php:70
    16	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    15	JEventDispatcher->trigger()	JROOT/libraries/src/MVC/Model/FormModel.php:321
    14	Joomla\CMS\MVC\Model\FormModel->preprocessForm()	JROOT/libraries/src/MVC/Model/FormModel.php:242
    13	Joomla\CMS\MVC\Model\FormModel->loadForm()	JROOT/components/com_mailto/models/mailto.php:35
    12	MailtoModelMailto->getForm()	JROOT/libraries/src/MVC/View/HtmlView.php:423
    11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_mailto/views/mailto/view.html.php:30
    10	MailtoViewMailto->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_mailto/controller.php:29
    8	MailtoController->mailto()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_mailto/mailto.php:16
    6	require_once JROOT/components/com_mailto/mailto.php	JROOT/libraries/src/Component/ComponentHelper.php:382
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:357
    4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

15. 查询耗时: 0.15 ms 完成查询后内存: 6.25 ms 查询占用内存: 0.021 MB 查询前内存: 2.773 MB 查询结果条数: 13

    SELECT language,id
    
      FROM `jos_menu`
    
      WHERE home = 1 
      AND published = 1 
      AND client_id = 0

    详细信息

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
    1	SIMPLE	jos_menu	ALL	idx_client_id_parent_id_alias_language	没有可用的索引键	NULL	NULL	207	Using where

    简要说明

    Status	Duration
    starting	0.02 ms
    Waiting for query cache lock	0.01 ms
    checking query cache for query	0.01 ms
    checking privileges on cached	0.00 ms
    checking permissions	0.01 ms
    sending cached result to clien	0.02 ms
    updating status	0.01 ms
    cleaning up	0.00 ms

    调用堆栈

    #	调用	文件和行数
    10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1691
    9	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/Multilanguage.php:107
    8	Joomla\CMS\Language\Multilanguage::getSiteHomePages()	JROOT/plugins/system/languagefilter/languagefilter.php:718
    7	PlgSystemLanguageFilter->onAfterDispatch()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/SiteApplication.php:199
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:195
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

16. 查询耗时: 0.78 ms 完成查询后内存: 1.46 ms 查询占用内存: 0.004 MB 查询前内存: 2.811 MB

    LOCK TABLES `jos_extensions` WRITE

    详细信息

    不可能查询 EXPLAIN 字段: LOCK TABLES `jos_extensions` WRITE

    简要说明

    Status	Duration
    starting	0.03 ms
    checking permissions	0.01 ms
    Opening tables	0.02 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    Table lock	0.01 ms
    After table lock	0.01 ms
    query end	0.01 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    updating status	0.02 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    9	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver/mysqli.php:533
    8	JDatabaseDriverMysqli->lockTable()	JROOT/plugins/system/updatenotification/updatenotification.php:79
    7	PlgSystemUpdatenotification->onAfterRender()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:1047
    3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:780
    2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:201
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

17. 查询耗时: 0.82 ms 完成查询后内存: 0.04 ms 查询占用内存: 0.004 MB 查询前内存: 2.817 MB

    UPDATE `jos_extensions`
    
      SET `params` = '{\"email\":\"\",\"language_override\":\"\",\"lastrun\":1713448255}'
    
      WHERE `type` = 'plugin' 
      AND `folder` = 'system' 
      AND `element` = 'updatenotification'

    详细信息

    不可能查询 EXPLAIN 字段: UPDATE `jos_extensions` SET `params` = '{\"email\":\"\",\"language_override\":\"\",\"lastrun\":1713448255}' WHERE `type` = 'plugin' AND `folder` = 'system' AND `element` = 'updatenotification'

    简要说明

    Status	Duration
    starting	0.04 ms
    checking permissions	0.01 ms
    Opening tables	0.01 ms
    After opening tables	0.01 ms
    init	0.12 ms
    Updating	0.17 ms
    end	0.01 ms
    Waiting for query cache lock	0.01 ms
    end	0.03 ms
    query end	0.34 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    updating status	0.05 ms
    cleaning up	0.01 ms

    调用堆栈

    #	调用	文件和行数
    8	JDatabaseDriverMysqli->execute()	JROOT/plugins/system/updatenotification/updatenotification.php:90
    7	PlgSystemUpdatenotification->onAfterRender()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:1047
    3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:780
    2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:201
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

18. 查询耗时: 0.22 ms 完成查询后内存: 0.22 ms 查询占用内存: 0.004 MB 查询前内存: 2.831 MB

    UNLOCK TABLES

    详细信息

    不可能查询 EXPLAIN 字段: UNLOCK TABLES

    简要说明

    Status	Duration
    starting	0.01 ms
    closing tables	0.01 ms
    query end	0.02 ms
    closing tables	0.00 ms
    freeing items	0.00 ms
    updating status	0.02 ms
    cleaning up	0.00 ms

    调用堆栈

    #	调用	文件和行数
    9	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver/mysqli.php:908
    8	JDatabaseDriverMysqli->unlockTables()	JROOT/plugins/system/updatenotification/updatenotification.php:104
    7	PlgSystemUpdatenotification->onAfterRender()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:1047
    3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:780
    2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:201
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

19. 查询耗时: 0.10 ms 完成查询后内存: 0.17 ms 查询占用内存: 0.021 MB 查询前内存: 2.842 MB 查询结果条数: 0

    SELECT DISTINCT a.update_site_id, a.type, a.location, a.last_check_timestamp, a.extra_query
    
      FROM `jos_update_sites` AS `a`
    
      INNER JOIN jos_update_sites_extensions AS b 
      ON a.update_site_id = b.update_site_id
    
      WHERE a.enabled = 1 
      AND b.extension_id IN (700)

    详细信息

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
    1	SIMPLE	a	ALL	PRIMARY	没有可用的索引键	NULL	NULL	15	Using where; Using temporary
    1	SIMPLE	b	eq_ref	PRIMARY	PRIMARY	8	michel_schooyans_joomla.a.update_site_id,const	1	Using index; Distinct

    简要说明

    Status	Duration
    starting	0.01 ms
    Waiting for query cache lock	0.00 ms
    checking query cache for query	0.01 ms
    checking privileges on cached	0.00 ms
    checking permissions	0.01 ms
    checking permissions	0.00 ms
    sending cached result to clien	0.02 ms
    updating status	0.00 ms
    cleaning up	0.00 ms

    调用堆栈

    #	调用	文件和行数
    11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1496
    10	JDatabaseDriver->loadAssocList()	JROOT/libraries/src/Updater/Updater.php:238
    9	Joomla\CMS\Updater\Updater->getUpdateSites()	JROOT/libraries/src/Updater/Updater.php:125
    8	Joomla\CMS\Updater\Updater->findUpdates()	JROOT/plugins/system/updatenotification/updatenotification.php:123
    7	PlgSystemUpdatenotification->onAfterRender()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:1047
    3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:780
    2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:201
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

    [在 PHP.ini 文件中添加 xdebug.file_link_format 参数，指明文件的调用链接]

    ---

18 条查询类型记入日志, 按照发生顺序排序.

查询的数据表:

1. 2 × SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled` 
     FROM `jos_extensions`

2. 1 × SELECT `data` 
     FROM `jos_session`

3. 1 × SELECT `session_id` 
     FROM `jos_session`

4. 1 × SELECT id, rules 
     FROM `jos_viewlevels

5. 1 × SELECT b.id 
     FROM jos_usergroups AS a 
     LEFT JOIN jos_usergroups AS b 
     ON b.lft <= a.lft 
     AND b.rgt >= a.rgt

6. 1 × SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id` 
     FROM jos_extensions

7. 1 × SELECT * 
     FROM jos_languages

8. 1 × SELECT `element`,`name`,`client_id`,`extension_id` 
     FROM `jos_extensions`

9. 1 × SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,`m`.`browserNav`, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component 
     FROM jos_menu AS m 
     LEFT JOIN jos_extensions AS e 
     ON m.component_id = e.extension_id

10. 1 × SELECT id, home, template, s.params 
      FROM jos_template_styles as s 
      LEFT JOIN jos_extensions as e 
      ON e.element=s.template 
      AND e.type='template' 
      AND e.client_id=s.client_id

11. 1 × SELECT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state 
      FROM jos_fields AS a 
      LEFT JOIN `jos_languages` AS l 
      ON l.lang_code = a.language 
      LEFT JOIN jos_users AS uc 
      ON uc.id=a.checked_out 
      LEFT JOIN jos_viewlevels AS ag 
      ON ag.id = a.access 
      LEFT JOIN jos_users AS ua 
      ON ua.id = a.created_user_id 
      LEFT JOIN jos_fields_groups AS g 
      ON g.id = a.group_id

12. 1 × SELECT language,id 
      FROM `jos_menu`

13. 1 × SELECT DISTINCT a.update_site_id, a.type, a.location, a.last_check_timestamp, a.extra_query 
      FROM `jos_update_sites` AS `a` 
      INNER JOIN jos_update_sites_extensions AS b 
      ON a.update_site_id = b.update_site_id

其它数据表:

1. 1 × INSERT INTO `jos_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES  ('al3bdc50a94jugcjipebn8ghng', 1, '1713448255', 0, '', 0

2. 1 × UPDATE `jos_extensions` 
     SET `params` = '{\"mediaversion\":\"4813d5005ac689cdb806f335c9e4e400\"}'

3. 1 × LOCK TABLES `jos_extensions` WRIT

4. 1 × UPDATE `jos_extensions` 
     SET `params` = '{\"email\":\"\",\"language_override\":\"\",\"lastrun\":1713448255}'

5. 1 × UNLOCK TABLE