Biuletyn Informacji Publicznej

{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1786637351,
                "last": 1786637351,
                "now": 1786637351
            },
            "token": "P3KieOyQTXcfPJgBcMfj6ET4pVK8n43U"
        },
        "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

24 zapytań zarejestrowanych 24.36 ms

1. Query Time: 0.46 ms Query memory: 0.022 MB Memory before query: 4.244 MB Rows returned: 0

   SELECT `data`
   
     FROM `ul851_session`
   
     WHERE `session_id` = X'6363663530623037656665313830626336656438303166663832366233326165'

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	ul851_session	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	720	Using where

   Profile

   Status	Duration
   Starting	0.07 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
   init	0.01 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.01 ms
   Executing	0.01 ms
   Sending data	0.21 ms
   End of update loop	0.02 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 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:46

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

   ---

2. Query Time: 0.34 ms After last query: 0.22 ms Query memory: 0.020 MB Memory before query: 4.255 MB Rows returned: 0

   SELECT `session_id`
   
     FROM `ul851_session`
   
     WHERE `session_id` = X'6363663530623037656665313830626336656438303166663832366233326165' 
     LIMIT 1

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	ul851_session	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	720	Using where

   Profile

   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	0.01 ms
   init	0.01 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.01 ms
   Executing	0.01 ms
   Sending data	0.17 ms
   End of update loop	0.02 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	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:46

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

   ---

3. Query Time: 0.15 ms After last query: 0.05 ms Query memory: 0.003 MB Memory before query: 4.259 MB

   INSERT INTO `ul851_session`
   (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES 
   (X'6363663530623037656665313830626336656438303166663832366233326165', 1, 1786637351, 0, '', 0)

   Explain

   EXPLAIN not possible on query: INSERT INTO `ul851_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (X'6363663530623037656665313830626336656438303166663832366233326165', 1, 1786637351, 0, '', 0)

   Profile

   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	0.01 ms
   init for update	0.01 ms
   Update	0.02 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 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:46

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

   ---

4. Query Time: 0.29 ms After last query: 0.35 ms Query memory: 0.021 MB Memory before query: 4.288 MB Rows returned: 38

   SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`
   
     FROM `ul851_extensions`
   
     WHERE `type` = 'component' 
     AND `state` = 0 
     AND `enabled` = 1

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	ul851_extensions	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	275	Using where

   Profile

   Status	Duration
   Starting	0.03 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
   init	0.01 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.01 ms
   Executing	0.01 ms
   Sending data	0.09 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   11	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Component/ComponentHelper.php:445
   10	Joomla\CMS\Component\ComponentHelper::Joomla\CMS\Component\{closure}()	Same as call in the line below.
   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:453
   7	Joomla\CMS\Component\ComponentHelper::load()	JROOT/libraries/src/Component/ComponentHelper.php:519
   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:594
   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:49

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

   ---

5. Query Time: 0.20 ms After last query: 0.39 ms Query memory: 0.020 MB Memory before query: 4.295 MB Rows returned: 3

   SELECT id, rules
   
     FROM `ul851_viewlevels`

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	ul851_viewlevels	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	3

   Profile

   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	0.01 ms
   init	0.01 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.01 ms
   Executing	0.01 ms
   Sending data	0.02 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	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:49

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

   ---

6. Query Time: 0.20 ms After last query: 0.04 ms Query memory: 0.020 MB Memory before query: 4.305 MB Rows returned: 1

   SELECT b.id
   
     FROM ul851_usergroups AS a
   
     LEFT JOIN ul851_usergroups AS b 
     ON b.lft <= a.lft 
     AND b.rgt >= a.rgt
   
     WHERE a.id = 1

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	a	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	8	Using where
   1	SIMPLE	b	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	8	Using where; Using join buffer (flat, BNL join)

   Profile

   Status	Duration
   Starting	0.02 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
   init	0.01 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.02 ms
   Executing	0.01 ms
   Sending data	0.03 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 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:49

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

   ---

7. Query Time: 0.49 ms After last query: 0.11 ms Query memory: 0.022 MB Memory before query: 4.325 MB Rows returned: 90

   SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id`
   
     FROM ul851_extensions
   
     WHERE enabled = 1 
     AND type = 'plugin' 
     AND state IN (0,1) 
     AND access IN (1,1)
   
     ORDER BY ordering

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	ul851_extensions	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	275	Using where; Using filesort

   Profile

   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	0.01 ms
   init	0.01 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.01 ms
   Sorting result	0.01 ms
   Executing	0.01 ms
   Sending data	0.01 ms
   Creating sort index	0.30 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   10	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Plugin/PluginHelper.php:351
   9	Joomla\CMS\Plugin\PluginHelper::Joomla\CMS\Plugin\{closure}()	Same as call in the line below.
   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:356
   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:49

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

   ---

8. Query Time: 7.36 ms After last query: 5.28 ms Query memory: 0.230 MB Memory before query: 4.890 MB Rows returned: 170

   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 ul851_menu AS m
   
     LEFT JOIN ul851_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

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	m	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	241	Using where; Using temporary; Using filesort
   1	SIMPLE	e	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	275	Using where; Using join buffer (flat, BNL join)

   Profile

   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
   init	0.02 ms
   Optimizing	0.01 ms
   Statistics	0.01 ms
   Preparing	0.02 ms
   Creating tmp table	0.02 ms
   Sorting result	0.01 ms
   Executing	0.01 ms
   Sending data	6.79 ms
   Creating sort index	0.22 ms
   Removing tmp table	0.08 ms
   Creating sort index	0.01 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Menu/SiteMenu.php:93
   17	Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()	Same as call in the line below.
   16	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
   15	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Menu/SiteMenu.php:101
   14	Joomla\CMS\Menu\SiteMenu->load()	JROOT/libraries/src/Menu/AbstractMenu.php:78
   13	Joomla\CMS\Menu\AbstractMenu->__construct()	JROOT/libraries/src/Menu/SiteMenu.php:62
   12	Joomla\CMS\Menu\SiteMenu->__construct()	JROOT/libraries/src/Menu/AbstractMenu.php:142
   11	Joomla\CMS\Menu\AbstractMenu::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:417
   10	Joomla\CMS\Application\CMSApplication->getMenu()	JROOT/libraries/src/Application/SiteApplication.php:275
   9	Joomla\CMS\Application\SiteApplication->getMenu()	JROOT/libraries/src/Router/SiteRouter.php:65
   8	Joomla\CMS\Router\SiteRouter->__construct()	JROOT/libraries/src/Router/Router.php:189
   7	Joomla\CMS\Router\Router::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:533
   6	Joomla\CMS\Application\CMSApplication::getRouter()	JROOT/libraries/src/Application/SiteApplication.php:403
   5	Joomla\CMS\Application\SiteApplication::getRouter()	JROOT/libraries/src/Application/CMSApplication.php:1141
   4	Joomla\CMS\Application\CMSApplication->route()	JROOT/libraries/src/Application/SiteApplication.php:796
   3	Joomla\CMS\Application\SiteApplication->route()	JROOT/libraries/src/Application/SiteApplication.php:218
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

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

   ---

9. Query Time: 0.67 ms After last query: 2.30 ms Query memory: 0.022 MB Memory before query: 5.435 MB Rows returned: 0

   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 `ul851_categories` AS `s`
   
     INNER JOIN `ul851_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) 
     AND c.published = 1 
     AND s.id = 816
   
     ORDER BY c.lft

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
   1	SIMPLE	s	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	279	Using where; Using temporary; Using filesort
   1	SIMPLE	c	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	279	Using where; Using join buffer (flat, BNL join)

   Profile

   Status	Duration
   Starting	0.05 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
   init	0.06 ms
   Optimizing	0.03 ms
   Statistics	0.01 ms
   Preparing	0.01 ms
   Creating tmp table	0.03 ms
   Sorting result	0.01 ms
   Executing	0.01 ms
   Sending data	0.26 ms
   Creating sort index	0.02 ms
   Removing tmp table	0.05 ms
   Creating sort index	0.01 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.01 ms
   Updating status	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   13	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
   12	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
   11	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/helpers/legacyrouter.php:350
   10	ContentRouterRulesLegacy->parse()	JROOT/libraries/src/Component/Router/RouterView.php:266
   9	Joomla\CMS\Component\Router\RouterView->parse()	JROOT/libraries/src/Router/SiteRouter.php:438
   8	Joomla\CMS\Router\SiteRouter->parseSefRoute()	JROOT/libraries/src/Router/Router.php:482
   7	Joomla\CMS\Router\Router->_parseSefRoute()	JROOT/libraries/src/Router/Router.php:227
   6	Joomla\CMS\Router\Router->parse()	JROOT/libraries/src/Router/SiteRouter.php:139
   5	Joomla\CMS\Router\SiteRouter->parse()	JROOT/libraries/src/Application/CMSApplication.php:1142
   4	Joomla\CMS\Application\CMSApplication->route()	JROOT/libraries/src/Application/SiteApplication.php:796
   3	Joomla\CMS\Application\SiteApplication->route()	JROOT/libraries/src/Application/SiteApplication.php:218
   2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
   1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

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

   ---

10. Query Time: 0.91 ms After last query: 0.03 ms Query memory: 0.021 MB Memory before query: 5.441 MB