{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1784689138,
                "last": 1784689138,
                "now": 1784689138
            },
            "token": "TZy4Mxe8N73OTePq95m84FiYY4w7CbWw"
        },
        "registry": {},
        "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
        }
    }
}

Time

Memory

16 Queries Logged 18.24 ms

1. Query Time: 1.37 ms Query memory: 0.023 MB Memory before query: 0.813 MB Rows returned: 0

   SELECT `data`
   
     FROM `lyjn6_session`
   
     WHERE `session_id` = X'386b717133353466327437326f677230726f337465366f743870'

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	lyjn6_session	NULL	const	PRIMARY	PRIMARY	766	const	1	100.00	NULL

   Profile

   Status	Duration
   starting	0.06 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.05 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.01 ms
   statistics	0.82 ms
   executing	0.02 ms
   end	0.01 ms
   query end	0.01 ms
   waiting for handler commit	0.01 ms
   closing tables	0.29 ms
   freeing items	0.62 ms
   cleaning up	0.02 ms

   Call Stack

   #	Caller	File and line number
   16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
   15	JDatabaseDriver->loadResult()	JROOT/libraries/joomla/session/storage/database.php:45
   14	JSessionStorageDatabase->read()	Same as call in the line below.
   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:661
   9	Joomla\CMS\Session\Session->_start()	JROOT/libraries/src/Session/Session.php:621
   8	Joomla\CMS\Session\Session->start()	JROOT/libraries/src/Session/Session.php:499
   7	Joomla\CMS\Session\Session->get()	JROOT/libraries/src/Session/Session.php:456
   6	Joomla\CMS\Session\Session->isNew()	JROOT/libraries/src/Application/CMSApplication.php:826
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:136
   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:386
   2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
   1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:185

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

2. Query Time: 0.29 ms After last query: 0.56 ms Query memory: 0.020 MB Memory before query: 0.837 MB Rows returned: 0

   SELECT `session_id`
   
     FROM `lyjn6_session`
   
     WHERE `session_id` = X'386b717133353466327437326f677230726f337465366f743870' 
     LIMIT 1

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	lyjn6_session	NULL	const	PRIMARY	PRIMARY	766	const	1	100.00	Using index

   Profile

   Status	Duration
   starting	0.04 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.02 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.01 ms
   statistics	0.03 ms
   executing	0.01 ms
   end	0.01 ms
   query end	0.01 ms
   waiting for handler commit	0.01 ms
   closing tables	0.01 ms
   freeing items	0.18 ms
   cleaning up	0.01 ms

   Call Stack

   #	Caller	File and line number
   9	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
   8	JDatabaseDriver->loadResult()	JROOT/libraries/src/Session/MetadataManager.php:74
   7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT/libraries/src/Application/CMSApplication.php:154
   6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:828
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:136
   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:386
   2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
   1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:185

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

3. Query Time: 3.09 ms After last query: 0.10 ms Query memory: 0.004 MB Memory before query: 0.842 MB

   INSERT INTO `lyjn6_session`
   (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES 
   (X'386b717133353466327437326f677230726f337465366f743870', 1, 1784689138, 0, '', 0)

   Explain

   EXPLAIN not possible on query: INSERT INTO `lyjn6_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (X'386b717133353466327437326f677230726f337465366f743870', 1, 1784689138, 0, '', 0)

   Profile

   Status	Duration
   starting	0.07 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.03 ms
   init	0.01 ms
   System lock	0.01 ms
   update	0.26 ms
   end	0.01 ms
   query end	0.01 ms
   waiting for handler commit	2.59 ms
   closing tables	0.02 ms
   freeing items	0.64 ms
   cleaning up	0.02 ms

   Call Stack

   #	Caller	File and line number
   8	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Session/MetadataManager.php:116
   7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT/libraries/src/Application/CMSApplication.php:154
   6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:828
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:136
   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:386
   2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
   1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:185

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

4. Query Time: 0.40 ms After last query: 1.29 ms Query memory: 0.020 MB Memory before query: 0.907 MB Rows returned: 5

   SELECT id, rules
   
     FROM `lyjn6_viewlevels`

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	lyjn6_viewlevels	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	5	100.00	NULL

   Profile

   Status	Duration
   starting	0.04 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.04 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.01 ms
   statistics	0.06 ms
   preparing	0.02 ms
   executing	0.05 ms
   end	0.01 ms
   query end	0.01 ms
   waiting for handler commit	0.01 ms
   closing tables	0.01 ms
   freeing items	0.24 ms
   cleaning up	0.01 ms

   Call Stack

   #	Caller	File and line number
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1506
   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:318
   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:604
   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:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

5. Query Time: 0.48 ms After last query: 0.14 ms Query memory: 0.021 MB Memory before query: 0.919 MB Rows returned: 2

   SELECT b.id
   
     FROM lyjn6_usergroups AS a
   
     LEFT JOIN lyjn6_usergroups AS b 
     ON b.lft <= a.lft 
     AND b.rgt >= a.rgt
   
     WHERE a.id = 9

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	a	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	NULL
   1	SIMPLE	b	NULL	range	idx_usergroup_nested_set_lookup	idx_usergroup_nested_set_lookup	4	NULL	2	100.00	Using where; Using index

   Profile

   Status	Duration
   starting	0.06 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.00 ms
   checking permissions	0.03 ms
   Opening tables	0.05 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.02 ms
   statistics	0.08 ms
   preparing	0.03 ms
   executing	0.03 ms
   end	0.01 ms
   query end	0.01 ms
   waiting for handler commit	0.01 ms
   closing tables	0.01 ms
   freeing items	0.26 ms
   cleaning up	0.02 ms

   Call Stack

   #	Caller	File and line number
   11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1550
   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:318
   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:604
   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:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

6. Query Time: 2.40 ms After last query: 8.52 ms Query memory: 0.005 MB Memory before query: 1.341 MB

   UPDATE `lyjn6_extensions`
   
     SET `params` = '{\"mediaversion\":\"2e9ca4d40b856be2ebe92a8260eb3b79\"}'
   
     WHERE `type` = 'library' 
     AND `element` = 'joomla'

   Explain

   EXPLAIN not possible on query: UPDATE `lyjn6_extensions` SET `params` = '{\"mediaversion\":\"2e9ca4d40b856be2ebe92a8260eb3b79\"}' WHERE `type` = 'library' AND `element` = 'joomla'

   Profile

   Status	Duration
   starting	0.05 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.05 ms
   init	0.01 ms
   System lock	0.08 ms
   updating	0.13 ms
   end	0.01 ms
   query end	0.00 ms
   waiting for handler commit	1.94 ms
   closing tables	0.01 ms
   freeing items	0.02 ms
   cleaning up	0.01 ms

   Call Stack

   #	Caller	File and line number
   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:1137
   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:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

7. Query Time: 0.69 ms After last query: 8.12 ms Query memory: 0.026 MB Memory before query: 2.065 MB Rows returned: 32

   SELECT `id`,`name`,`rules`,`parent_id`
   
     FROM `lyjn6_assets`
   
     WHERE `name` IN ('root.1','com_admin','com_ajax','com_akeeba','com_associations','com_banners','com_cache','com_categories','com_checkin','com_config','com_contact','com_content','com_contenthistory','com_cpanel','com_fields','com_finder','com_installer','com_jmap','com_joomlaupdate','com_languages','com_login','com_mailto','com_media','com_menus','com_messages','com_modules','com_newsfeeds','com_plugins','com_postinstall','com_redirect','com_search','com_tags','com_templates','com_users','com_wrapper')

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	lyjn6_assets	NULL	ALL	idx_asset_name	NO INDEX KEY COULD BE USED	NULL	NULL	128	27.34	Using where

   Profile

   Status	Duration
   starting	0.10 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.05 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.01 ms
   statistics	0.13 ms
   preparing	0.03 ms
   executing	0.20 ms
   end	0.01 ms
   query end	0.00 ms
   waiting for handler commit	0.01 ms
   closing tables	0.01 ms
   freeing items	0.02 ms
   cleaning up	0.01 ms

   Call Stack

   #	Caller	File and line number
   21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Access/Access.php:429
   19	Joomla\CMS\Access\Access::preloadComponents()	JROOT/libraries/src/Access/Access.php:213
   18	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:531
   17	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
   16	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
   15	Joomla\CMS\User\User->authorise()	JROOT/components/com_content/models/category.php:139
   14	ContentModelCategory->populateState()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:457
   13	Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()	JROOT/libraries/src/MVC/View/CategoryView.php:116
   12	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
   11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
   10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
   9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
   8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
   7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
   6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
   5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
   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:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

8. Query Time: 0.46 ms After last query: 0.17 ms Query memory: 0.027 MB Memory before query: 2.107 MB Rows returned: 67

   SELECT `id`,`name`,`rules`,`parent_id`
   
     FROM `lyjn6_assets`
   
     WHERE `name` LIKE 'com_content.%' OR `name` = 'com_content' OR `parent_id` = 0

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	lyjn6_assets	NULL	ALL	idx_asset_name,idx_parent_id	NO INDEX KEY COULD BE USED	NULL	NULL	128	26.67	Using where

   Profile

   Status	Duration
   starting	0.06 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.01 ms
   Opening tables	0.03 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.02 ms
   statistics	0.06 ms
   preparing	0.02 ms
   executing	0.13 ms
   end	0.01 ms
   query end	0.01 ms
   waiting for handler commit	0.01 ms
   closing tables	0.01 ms
   freeing items	0.02 ms
   cleaning up	0.01 ms

   Call Stack

   #	Caller	File and line number
   21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Access/Access.php:359
   19	Joomla\CMS\Access\Access::preloadPermissions()	JROOT/libraries/src/Access/Access.php:226
   18	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:540
   17	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
   16	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
   15	Joomla\CMS\User\User->authorise()	JROOT/components/com_content/models/category.php:139
   14	ContentModelCategory->populateState()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:457
   13	Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()	JROOT/libraries/src/MVC/View/CategoryView.php:116
   12	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
   11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
   10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
   9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
   8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
   7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
   6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
   5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
   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:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

9. Query Time: 1.15 ms After last query: 1.39 ms Query memory: 0.025 MB Memory before query: 2.245 MB Rows returned: 2

   SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,
   				c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,
   				c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,
   				c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
     CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug,(
   SELECT COUNT(i.`id`)
   
     FROM `lyjn6_content` AS `i`
   
     WHERE i.`catid` = c.id 
     AND i.state = 1) AS numitems
   
     FROM `lyjn6_categories` AS `s`
   
     INNER JOIN `lyjn6_categories` AS `c` 
     ON (s.lft <= c.lft 
     AND c.lft < s.rgt) OR (c.lft < s.lft 
     AND s.rgt < c.rgt)
   
     WHERE (c.extension='com_content' OR c.extension='system') 
     AND c.published = 1 
     AND s.id = 8
   
     ORDER BY c.lft

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	PRIMARY	s	NULL	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	Using filesort
   1	PRIMARY	c	NULL	range	cat_idx,idx_left_right	cat_idx	203	NULL	4	87.50	Using index condition; Using where
   2	DEPENDENT SUBQUERY	i	NULL	ref	idx_state,idx_catid	idx_catid	4	loolle2023v2.c.id	12	100.00	Using index condition; Using where

   Profile

   Status	Duration
   starting	0.16 ms
   Executing hook on transaction	0.01 ms
   starting	0.01 ms
   checking permissions	0.00 ms
   checking permissions	0.00 ms
   checking permissions	0.00 ms
   Opening tables	0.11 ms
   init	0.01 ms
   System lock	0.01 ms
   optimizing	0.02 ms
   statistics	0.13 ms
   preparing	0.03 ms
   optimizing	0.01 ms
   statistics	0.04 ms
   preparing	0.02 ms
   executing	0.14 ms
   executing	0.03 ms
   executing	0.25 ms
   end	0.01 ms
   query end	0.00 ms
   waiting for handler commit	0.01 ms
   closing tables	0.01 ms
   freeing items	0.02 ms
   cleaning up	0.02 ms

   Call Stack

   #	Caller	File and line number
   18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   17	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
   16	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
   15	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/models/category.php:355
   14	ContentModelCategory->getCategory()	JROOT/libraries/src/MVC/View/HtmlView.php:425
   13	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:122
   12	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
   11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
   10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
   9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
   8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
   7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
   6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
   5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
   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:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

   [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

   ---

10. Query Time: 2.94 ms After last query: 2.00 ms Query memory: 0.166 MB Memory before query: 2.478 MB Rows returned: 16

    SELECT a.id, a.title, a.alias, a.introtext, a.fulltext, a.checked_out, a.checked_out_time, a.catid, a.created, a.created_by, a.created_by_alias, 
      CASE WHEN c.published = 2 
      AND a.state > 0 THEN 2 WHEN c.published != 1 THEN 0 ELSE a.state END as state,
      CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, uam.name as modified_by_name,
      CASE WHEN a.publish_up = '0000-00-00 00:00:00' THEN a.created ELSE a.publish_up END as publish_up,a.publish_down, a.images, a.urls, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, a.hits, a.xreference, a.featured, a.language,  LENGTH(a.fulltext) AS readmore, a.ordering,c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias,c.published, c.published AS parents_published, c.lft,
      CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author,ua.email AS author_email,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,COALESCE(NULLIF(ROUND(v.rating_sum  / v.rating_count, 0), 0), 0) AS rating,
    							COALESCE(NULLIF(v.rating_count, 0), 0) as rating_count
    
      FROM lyjn6_content AS a
    
      LEFT JOIN lyjn6_categories AS c 
      ON c.id = a.catid
    
      LEFT JOIN lyjn6_users AS ua 
      ON ua.id = a.created_by
    
      LEFT JOIN lyjn6_users AS uam 
      ON uam.id = a.modified_by
    
      LEFT JOIN lyjn6_categories as parent 
      ON parent.id = c.parent_id
    
      LEFT JOIN lyjn6_content_rating AS v 
      ON a.id = v.content_id
    
      WHERE a.access IN (1,1,5) 
      AND c.access IN (1,1,5) 
      AND c.published = 1 
      AND a.state = 1 
      AND a.catid = 8 
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2026-07-22 02:58:58') 
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2026-07-22 02:58:58')
    
      ORDER BY  c.lft,   
      CASE WHEN a.publish_up = '0000-00-00 00:00:00' THEN a.created ELSE a.publish_up END  DESC ,  a.created   
      LIMIT 32, 16

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	c	NULL	const	PRIMARY,idx_access	PRIMARY	4	const	1	100.00	Using temporary; Using filesort
    1	SIMPLE	a	NULL	ref	idx_access,idx_state,idx_catid	idx_catid	4	const	48	16.00	Using where
    1	SIMPLE	ua	NULL	ALL	PRIMARY	NO INDEX KEY COULD BE USED	NULL	NULL	2	100.00	Using where; Using join buffer (hash join)
    1	SIMPLE	uam	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.modified_by	1	100.00	Using where
    1	SIMPLE	parent	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using where
    1	SIMPLE	v	NULL	ALL	PRIMARY	NO INDEX KEY COULD BE USED	NULL	NULL	1	100.00	Using where; Using join buffer (hash join)

    Profile

    Status	Duration
    starting	0.19 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.14 ms
    init	0.01 ms
    System lock	0.02 ms
    optimizing	0.06 ms
    statistics	0.13 ms
    preparing	0.04 ms
    Creating tmp table	0.26 ms
    executing	1.78 ms
    end	0.01 ms
    query end	0.01 ms
    waiting for handler commit	0.02 ms
    closing tables	0.01 ms
    freeing items	0.03 ms
    cleaning up	0.02 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:194
    16	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/components/com_content/models/articles.php:576
    15	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    14	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    13	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    12	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

11. Query Time: 0.95 ms After last query: 1.95 ms Query memory: 0.025 MB Memory before query: 2.965 MB Rows returned: 1

    SELECT COUNT(*)
    
      FROM lyjn6_content AS a
    
      LEFT JOIN lyjn6_categories AS c 
      ON c.id = a.catid
    
      LEFT JOIN lyjn6_users AS ua 
      ON ua.id = a.created_by
    
      LEFT JOIN lyjn6_users AS uam 
      ON uam.id = a.modified_by
    
      LEFT JOIN lyjn6_categories as parent 
      ON parent.id = c.parent_id
    
      LEFT JOIN lyjn6_content_rating AS v 
      ON a.id = v.content_id
    
      WHERE a.access IN (1,1,5) 
      AND c.access IN (1,1,5) 
      AND c.published = 1 
      AND a.state = 1 
      AND a.catid = 8 
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2026-07-22 02:58:58') 
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2026-07-22 02:58:58')

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	c	NULL	const	PRIMARY,idx_access	PRIMARY	4	const	1	100.00	NULL
    1	SIMPLE	a	NULL	ref	idx_access,idx_state,idx_catid	idx_catid	4	const	48	16.00	Using where
    1	SIMPLE	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.created_by	1	100.00	Using where; Using index
    1	SIMPLE	uam	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.modified_by	1	100.00	Using where; Using index
    1	SIMPLE	parent	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using where; Using index
    1	SIMPLE	v	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.id	1	100.00	Using where; Using index

    Profile

    Status	Duration
    starting	0.09 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.04 ms
    Opening tables	0.06 ms
    init	0.01 ms
    System lock	0.01 ms
    optimizing	0.03 ms
    statistics	0.11 ms
    preparing	0.04 ms
    executing	0.40 ms
    end	0.01 ms
    query end	0.00 ms
    waiting for handler commit	0.01 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	0.02 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
    18	JDatabaseDriver->loadResult()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:354
    17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getListCount()	JROOT/libraries/src/MVC/Model/ListModel.php:289
    16	Joomla\CMS\MVC\Model\ListModel->getTotal()	JROOT/libraries/src/MVC/Model/ListModel.php:239
    15	Joomla\CMS\MVC\Model\ListModel->getPagination()	JROOT/components/com_content/models/category.php:265
    14	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    13	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    12	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

12. Query Time: 1.01 ms After last query: 2.50 ms Query memory: 0.023 MB Memory before query: 3.112 MB Rows returned: 0

    SELECT `m`.`tag_id`,`t`.*
    
      FROM `lyjn6_contentitem_tag_map` AS m 
    
      INNER JOIN `lyjn6_tags` AS t  
      ON `m`.`tag_id` = `t`.`id`
    
      WHERE `m`.`type_alias` = 'com_content.category' 
      AND `m`.`content_item_id` = 8 
      AND `t`.`published` = 1 
      AND t.access IN (1,1,5)

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	m	NULL	ALL	idx_tag_type	NO INDEX KEY COULD BE USED	NULL	NULL	1	100.00	Using where
    1	SIMPLE	t	NULL	eq_ref	PRIMARY,tag_idx,idx_access	PRIMARY	4	loolle2023v2.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.25 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    Opening tables	0.13 ms
    init	0.01 ms
    System lock	0.02 ms
    optimizing	0.03 ms
    statistics	0.21 ms
    preparing	0.05 ms
    executing	0.05 ms
    end	0.01 ms
    query end	0.01 ms
    waiting for handler commit	0.04 ms
    closing tables	0.02 ms
    freeing items	0.03 ms
    cleaning up	0.02 ms

    Call Stack

    #	Caller	File and line number
    15	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    14	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    13	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/libraries/src/MVC/View/CategoryView.php:229
    12	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

13. Query Time: 0.70 ms After last query: 7.66 ms Query memory: 0.026 MB Memory before query: 3.503 MB Rows returned: 2

    SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,
    				c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,
    				c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,
    				c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
      CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug
    
      FROM `lyjn6_categories` AS `s`
    
      INNER JOIN `lyjn6_categories` AS `c` 
      ON (s.lft <= c.lft 
      AND c.lft < s.rgt) OR (c.lft < s.lft 
      AND s.rgt < c.rgt)
    
      WHERE (c.extension='com_content' OR c.extension='system') 
      AND c.access IN (1,1,5) 
      AND c.published = 1 
      AND s.id = 8
    
      ORDER BY c.lft

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	s	NULL	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	NULL
    1	SIMPLE	c	NULL	range	cat_idx,idx_access,idx_left_right	idx_left_right	4	NULL	7	75.00	Using index condition; Using where

    Profile

    Status	Duration
    starting	0.14 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.01 ms
    Opening tables	0.06 ms
    init	0.01 ms
    System lock	0.01 ms
    optimizing	0.02 ms
    statistics	0.16 ms
    preparing	0.03 ms
    executing	0.09 ms
    end	0.01 ms
    query end	0.00 ms
    waiting for handler commit	0.01 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    22	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    21	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
    20	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
    19	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
    18	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:140
    17	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:194
    16	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
    15	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    14	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
    13	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    12	JEventDispatcher->trigger()	JROOT/components/com_content/views/category/view.html.php:113
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

14. Query Time: 0.84 ms After last query: 0.15 ms Query memory: 0.025 MB Memory before query: 3.519 MB Rows returned: 0

    SELECT DISTINCT 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, g.note as group_note
    
      FROM lyjn6_fields AS a
    
      LEFT JOIN `lyjn6_languages` AS l 
      ON l.lang_code = a.language
    
      LEFT JOIN lyjn6_users AS uc 
      ON uc.id=a.checked_out
    
      LEFT JOIN lyjn6_viewlevels AS ag 
      ON ag.id = a.access
    
      LEFT JOIN lyjn6_users AS ua 
      ON ua.id = a.created_user_id
    
      LEFT JOIN lyjn6_fields_groups AS g 
      ON g.id = a.group_id
    
      LEFT JOIN `lyjn6_fields_categories` AS fc 
      ON fc.field_id = a.id
    
      WHERE a.context = 'com_content.article' 
      AND (fc.category_id IS NULL OR fc.category_id IN (8,0)) 
      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

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ref	idx_state,idx_access,idx_context	idx_state	1	const	1	100.00	Using where; Using temporary; Using filesort
    1	SIMPLE	l	NULL	eq_ref	idx_langcode	idx_langcode	28	loolle2023v2.a.language	1	100.00	Using index condition
    1	SIMPLE	uc	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.checked_out	1	100.00	NULL
    1	SIMPLE	ag	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.access	1	100.00	Using where
    1	SIMPLE	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.created_user_id	1	100.00	Using where
    1	SIMPLE	g	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.group_id	1	100.00	Using where
    1	SIMPLE	fc	NULL	ref	PRIMARY	PRIMARY	4	loolle2023v2.a.id	1	100.00	Using where; Using index; Distinct

    Profile

    Status	Duration
    starting	0.12 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.01 ms
    Opening tables	0.13 ms
    init	0.01 ms
    System lock	0.01 ms
    optimizing	0.03 ms
    statistics	0.17 ms
    preparing	0.03 ms
    Creating tmp table	0.07 ms
    executing	0.09 ms
    end	0.01 ms
    query end	0.01 ms
    waiting for handler commit	0.02 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    20	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    19	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    18	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
    17	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:194
    16	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
    15	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    14	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
    13	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    12	JEventDispatcher->trigger()	JROOT/components/com_content/views/category/view.html.php:113
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

15. Query Time: 0.75 ms After last query: 9.88 ms Query memory: 0.027 MB Memory before query: 4.284 MB Rows returned: 0

    SELECT DISTINCT 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, g.note as group_note
    
      FROM lyjn6_fields AS a
    
      LEFT JOIN `lyjn6_languages` AS l 
      ON l.lang_code = a.language
    
      LEFT JOIN lyjn6_users AS uc 
      ON uc.id=a.checked_out
    
      LEFT JOIN lyjn6_viewlevels AS ag 
      ON ag.id = a.access
    
      LEFT JOIN lyjn6_users AS ua 
      ON ua.id = a.created_user_id
    
      LEFT JOIN lyjn6_fields_groups AS g 
      ON g.id = a.group_id
    
      WHERE a.context = 'com_content.categories' 
      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

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ref	idx_state,idx_access,idx_context	idx_state	1	const	1	100.00	Using where; Using temporary; Using filesort
    1	SIMPLE	l	NULL	eq_ref	idx_langcode	idx_langcode	28	loolle2023v2.a.language	1	100.00	Using index condition
    1	SIMPLE	uc	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.checked_out	1	100.00	NULL
    1	SIMPLE	ag	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.access	1	100.00	Using where
    1	SIMPLE	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.created_user_id	1	100.00	Using where
    1	SIMPLE	g	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.group_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.15 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.01 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.01 ms
    Opening tables	0.08 ms
    init	0.01 ms
    System lock	0.01 ms
    optimizing	0.03 ms
    statistics	0.13 ms
    preparing	0.03 ms
    Creating tmp table	0.06 ms
    executing	0.05 ms
    end	0.01 ms
    query end	0.01 ms
    waiting for handler commit	0.02 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    24	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    23	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    22	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
    21	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:194
    20	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
    19	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    18	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
    17	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    16	JEventDispatcher->trigger()	JROOT/components/com_content/views/category/tmpl/blog.php:19
    15	include JROOT/components/com_content/views/category/tmpl/blog.php	JROOT/libraries/src/MVC/View/HtmlView.php:701
    14	Joomla\CMS\MVC\View\HtmlView->loadTemplate()	JROOT/libraries/src/MVC/View/HtmlView.php:230
    13	Joomla\CMS\MVC\View\HtmlView->display()	JROOT/libraries/src/MVC/View/CategoryView.php:245
    12	Joomla\CMS\MVC\View\CategoryView->display()	JROOT/components/com_content/views/category/view.html.php:250
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

16. Query Time: 0.73 ms After last query: 0.26 ms Query memory: 0.028 MB Memory before query: 4.297 MB Rows returned: 0

    SELECT DISTINCT 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, g.note as group_note
    
      FROM lyjn6_fields AS a
    
      LEFT JOIN `lyjn6_languages` AS l 
      ON l.lang_code = a.language
    
      LEFT JOIN lyjn6_users AS uc 
      ON uc.id=a.checked_out
    
      LEFT JOIN lyjn6_viewlevels AS ag 
      ON ag.id = a.access
    
      LEFT JOIN lyjn6_users AS ua 
      ON ua.id = a.created_user_id
    
      LEFT JOIN lyjn6_fields_groups AS g 
      ON g.id = a.group_id
    
      LEFT JOIN `lyjn6_fields_categories` AS fc 
      ON fc.field_id = a.id
    
      WHERE a.context = 'com_content.categories' 
      AND (fc.category_id IS NULL OR fc.category_id IN (8,0)) 
      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

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ref	idx_state,idx_access,idx_context	idx_state	1	const	1	100.00	Using where; Using temporary; Using filesort
    1	SIMPLE	l	NULL	eq_ref	idx_langcode	idx_langcode	28	loolle2023v2.a.language	1	100.00	Using index condition
    1	SIMPLE	uc	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.checked_out	1	100.00	NULL
    1	SIMPLE	ag	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.access	1	100.00	Using where
    1	SIMPLE	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.created_user_id	1	100.00	Using where
    1	SIMPLE	g	NULL	eq_ref	PRIMARY	PRIMARY	4	loolle2023v2.a.group_id	1	100.00	Using where
    1	SIMPLE	fc	NULL	ref	PRIMARY	PRIMARY	4	loolle2023v2.a.id	1	100.00	Using where; Using index; Distinct

    Profile

    Status	Duration
    starting	0.17 ms
    Executing hook on transaction	0.01 ms
    starting	0.01 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.07 ms
    init	0.01 ms
    System lock	0.01 ms
    optimizing	0.03 ms
    statistics	0.12 ms
    preparing	0.03 ms
    Creating tmp table	0.06 ms
    executing	0.06 ms
    end	0.01 ms
    query end	0.01 ms
    waiting for handler commit	0.02 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    25	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    24	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    23	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
    22	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:194
    21	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
    20	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:404
    19	PlgSystemFields->display()	JROOT/plugins/system/fields/fields.php:324
    18	PlgSystemFields->onContentAfterTitle()	JROOT/libraries/joomla/event/event.php:70
    17	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    16	JEventDispatcher->trigger()	JROOT/components/com_content/views/category/tmpl/blog.php:22
    15	include JROOT/components/com_content/views/category/tmpl/blog.php	JROOT/libraries/src/MVC/View/HtmlView.php:701
    14	Joomla\CMS\MVC\View\HtmlView->loadTemplate()	JROOT/libraries/src/MVC/View/HtmlView.php:230
    13	Joomla\CMS\MVC\View\HtmlView->display()	JROOT/libraries/src/MVC/View/CategoryView.php:245
    12	Joomla\CMS\MVC\View\CategoryView->display()	JROOT/components/com_content/views/category/view.html.php:250
    11	ContentViewCategory->display()	JROOT/libraries/src/Cache/Controller/ViewController.php:102
    10	Joomla\CMS\Cache\Controller\ViewController->get()	JROOT/libraries/src/MVC/Controller/BaseController.php:655
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
    5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
    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:225
    1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:188

    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]

    ---

14 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

1. 2 × SELECT `id`,`name`,`rules`,`parent_id` 
     FROM `lyjn6_assets`

2. 2 × SELECT DISTINCT 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, g.note as group_note 
     FROM lyjn6_fields AS a 
     LEFT JOIN `lyjn6_languages` AS l 
     ON l.lang_code = a.language 
     LEFT JOIN lyjn6_users AS uc 
     ON uc.id=a.checked_out 
     LEFT JOIN lyjn6_viewlevels AS ag 
     ON ag.id = a.access 
     LEFT JOIN lyjn6_users AS ua 
     ON ua.id = a.created_user_id 
     LEFT JOIN lyjn6_fields_groups AS g 
     ON g.id = a.group_id 
     LEFT JOIN `lyjn6_fields_categories` AS fc 
     ON fc.field_id = a.id

3. 1 × SELECT `data` 
     FROM `lyjn6_session`

4. 1 × SELECT `session_id` 
     FROM `lyjn6_session`

5. 1 × SELECT id, rules 
     FROM `lyjn6_viewlevels

6. 1 × SELECT b.id 
     FROM lyjn6_usergroups AS a 
     LEFT JOIN lyjn6_usergroups AS b 
     ON b.lft <= a.lft 
     AND b.rgt >= a.rgt

7. 1 × SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,     c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,     c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,     c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
     CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug,( SELECT COUNT(i.`id`) 
     FROM `lyjn6_content` AS `i`

8. 1 × SELECT a.id, a.title, a.alias, a.introtext, a.fulltext, a.checked_out, a.checked_out_time, a.catid, a.created, a.created_by, a.created_by_alias, 
     CASE WHEN c.published = 2 
     AND a.state > 0 THEN 2 WHEN c.published != 1 THEN 0 ELSE a.state END as state,
     CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, uam.name as modified_by_name,
     CASE WHEN a.publish_up = '0000-00-00 00:00:00' THEN a.created ELSE a.publish_up END as publish_up,a.publish_down, a.images, a.urls, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, a.hits, a.xreference, a.featured, a.language,  LENGTH(a.fulltext) AS readmore, a.ordering,c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias,c.published, c.published AS parents_published, c.lft,
     CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author,ua.email AS author_email,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,COALESCE(NULLIF(ROUND(v.rating_sum  / v.rating_count, 0), 0), 0) AS rating,        COALESCE(NULLIF(v.rating_count, 0), 0) as rating_count 
     FROM lyjn6_content AS a 
     LEFT JOIN lyjn6_categories AS c 
     ON c.id = a.catid 
     LEFT JOIN lyjn6_users AS ua 
     ON ua.id = a.created_by 
     LEFT JOIN lyjn6_users AS uam 
     ON uam.id = a.modified_by 
     LEFT JOIN lyjn6_categories as parent 
     ON parent.id = c.parent_id 
     LEFT JOIN lyjn6_content_rating AS v 
     ON a.id = v.content_id

9. 1 × SELECT COUNT(*) 
     FROM lyjn6_content AS a 
     LEFT JOIN lyjn6_categories AS c 
     ON c.id = a.catid 
     LEFT JOIN lyjn6_users AS ua 
     ON ua.id = a.created_by 
     LEFT JOIN lyjn6_users AS uam 
     ON uam.id = a.modified_by 
     LEFT JOIN lyjn6_categories as parent 
     ON parent.id = c.parent_id 
     LEFT JOIN lyjn6_content_rating AS v 
     ON a.id = v.content_id

10. 1 × SELECT `m`.`tag_id`,`t`.* 
      FROM `lyjn6_contentitem_tag_map` AS m  
      INNER JOIN `lyjn6_tags` AS t  
      ON `m`.`tag_id` = `t`.`id`

11. 1 × SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,     c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,     c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,     c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
      CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug 
      FROM `lyjn6_categories` AS `s` 
      INNER JOIN `lyjn6_categories` AS `c` 
      ON (s.lft <= c.lft 
      AND c.lft < s.rgt) OR (c.lft < s.lft 
      AND s.rgt < c.rgt)

12. 1 × SELECT DISTINCT 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, g.note as group_note 
      FROM lyjn6_fields AS a 
      LEFT JOIN `lyjn6_languages` AS l 
      ON l.lang_code = a.language 
      LEFT JOIN lyjn6_users AS uc 
      ON uc.id=a.checked_out 
      LEFT JOIN lyjn6_viewlevels AS ag 
      ON ag.id = a.access 
      LEFT JOIN lyjn6_users AS ua 
      ON ua.id = a.created_user_id 
      LEFT JOIN lyjn6_fields_groups AS g 
      ON g.id = a.group_id

OTHER Tables:

1. 1 × INSERT INTO `lyjn6_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES  (X'386b717133353466327437326f677230726f337465366f743870', 1, 1784689138, 0, '', 0

2. 1 × UPDATE `lyjn6_extensions` 
     SET `params` = '{\"mediaversion\":\"2e9ca4d40b856be2ebe92a8260eb3b79\"}'