Joomla! Debug Console

{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1771302633,
                "last": 1771302633,
                "now": 1771302633
            }
        },
        "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

23 Queries Logged 33.90 ms

1. Query Time: 6.86 ms Query memory: 0.003 MB Memory before query: 2.460 MB

   DELETE 
   
     FROM `jos_session`
   
     WHERE `time` < '1771301733'

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_session	range	time	time	4	NULL	1	100.00	Using where

   Profile

   Status	Duration
   Starting	0.31 ms
   checking permissions	0.02 ms
   Opening tables	0.05 ms
   After opening tables	0.02 ms
   System lock	0.01 ms
   table lock	0.02 ms
   init for update	0.12 ms
   Updating	0.22 ms
   End of update loop	0.06 ms
   Waiting for query cache lock	0.01 ms
   End of update loop	0.02 ms
   Query end	0.01 ms
   Commit	5.56 ms
   Query end	0.03 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.02 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.13 ms
   Updating status	0.04 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   6	JDatabaseDriverMysqli->execute()	JROOT/libraries/cms/application/cms.php:818
   5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
   4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
   3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:412
   2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
   1	JFactory::getApplication()	JROOT/index.php:46

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

   ---

2. Query Time: 0.82 ms After last query: 0.60 ms Query memory: 0.007 MB Memory before query: 2.477 MB Rows returned: 0

   SELECT `data`
   
     FROM `jos_session`
   
     WHERE `session_id` = 'cad9da9f8e013581727af4f559a41797'

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_session	const	PRIMARY	PRIMARY	194	const	1	100.00

   Profile

   Status	Duration
   Starting	0.12 ms
   Waiting for query cache lock	0.01 ms
   starting	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
   Waiting for query cache lock	0.03 ms
   init	0.03 ms
   Optimizing	0.02 ms
   Statistics	0.08 ms
   Preparing	0.01 ms
   Executing	0.02 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   Commit	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	0.14 ms
   Updating status	0.01 ms
   Waiting for query cache lock	0.01 ms
   Updating status	0.02 ms
   Waiting for query cache lock	0.01 ms
   Updating status	0.01 ms
   Storing result in query cache	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:1720
   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:82
   10	JSessionHandlerJoomla->start()	JROOT/libraries/joomla/session/session.php:648
   9	JSession->_start()	JROOT/libraries/joomla/session/session.php:608
   8	JSession->start()	JROOT/libraries/joomla/session/session.php:486
   7	JSession->get()	JROOT/libraries/joomla/session/session.php:443
   6	JSession->isNew()	JROOT/libraries/cms/application/cms.php:825
   5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
   4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
   3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:412
   2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
   1	JFactory::getApplication()	JROOT/index.php:46

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

   ---

3. Query Time: 0.96 ms After last query: 1.52 ms Query memory: 0.004 MB Memory before query: 2.561 MB Rows returned: 0

   SELECT `session_id`
   
     FROM `jos_session`
   
     WHERE `session_id` = 'cad9da9f8e013581727af4f559a41797' 
     LIMIT 1

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_session	const	PRIMARY	PRIMARY	194	const	1	100.00	Using index

   Profile

   Status	Duration
   Starting	0.14 ms
   Waiting for query cache lock	0.01 ms
   starting	0.01 ms
   Checking query cache for query	0.06 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
   Waiting for query cache lock	0.02 ms
   init	0.03 ms
   Optimizing	0.02 ms
   Statistics	0.05 ms
   Preparing	0.01 ms
   Executing	0.02 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   Commit	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.02 ms
   closing tables	0.01 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.09 ms
   Updating status	0.01 ms
   Waiting for query cache lock	0.01 ms
   Updating status	0.02 ms
   Waiting for query cache lock	0.01 ms
   Updating status	0.01 ms
   Storing result in query cache	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   8	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1720
   7	JDatabaseDriver->loadResult()	JROOT/libraries/cms/application/cms.php:176
   6	JApplicationCms->checkSession()	JROOT/libraries/cms/application/cms.php:827
   5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
   4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
   3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:412
   2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
   1	JFactory::getApplication()	JROOT/index.php:46

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

   ---

4. Query Time: 1.70 ms After last query: 0.19 ms Query memory: 0.003 MB Memory before query: 2.566 MB

   INSERT INTO `jos_session`
   (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES 
   ('cad9da9f8e013581727af4f559a41797', 1, '1771302633', 0, '', 0)

   Explain

   EXPLAIN not possible on query: INSERT INTO `jos_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES ('cad9da9f8e013581727af4f559a41797', 1, '1771302633', 0, '', 0)

   Profile

   Status	Duration
   Starting	0.14 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 for update	0.02 ms
   Update	0.11 ms
   Waiting for query cache lock	0.01 ms
   Update	0.01 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   Commit	1.11 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	0.07 ms
   Updating status	0.02 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   7	JDatabaseDriverMysqli->execute()	JROOT/libraries/cms/application/cms.php:216
   6	JApplicationCms->checkSession()	JROOT/libraries/cms/application/cms.php:827
   5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
   4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
   3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:412
   2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
   1	JFactory::getApplication()	JROOT/index.php:46

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

   ---

5. Query Time: 1.29 ms After last query: 3.22 ms Query memory: 0.005 MB Memory before query: 2.725 MB Rows returned: 38

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

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_extensions	ref	extension	extension	82	const	38	100.00	Using index condition

   Profile

   Status	Duration
   Starting	0.17 ms
   Waiting for query cache lock	0.01 ms
   starting	0.01 ms
   Checking query cache for query	0.06 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
   Waiting for query cache lock	0.02 ms
   init	0.03 ms
   Optimizing	0.02 ms
   Statistics	0.07 ms
   Preparing	0.03 ms
   Executing	0.01 ms
   Sending data	0.32 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   Commit	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.03 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.09 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
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
   9	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/component/helper.php:452
   8	JComponentHelper::{closure}()	JROOT/libraries/joomla/cache/controller/callback.php:169
   7	JCacheControllerCallback->get()	JROOT/libraries/cms/component/helper.php:460
   6	JComponentHelper::load()	JROOT/libraries/cms/component/helper.php:43
   5	JComponentHelper::getComponent()	JROOT/libraries/cms/component/helper.php:111
   4	JComponentHelper::getParams()	JROOT/libraries/cms/application/site.php:593
   3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
   2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
   1	JApplicationCms->execute()	JROOT/index.php:49

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

   ---

6. Query Time: 0.28 ms After last query: 3.17 ms Query memory: 0.005 MB Memory before query: 2.965 MB Rows returned: 3

   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 = 7

   Explain

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

   Profile

   Status	Duration
   Starting	0.12 ms
   Waiting for query cache lock	0.01 ms
   starting	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	0.08 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:1530
   10	JDatabaseDriver->loadColumn()	JROOT/libraries/joomla/access/access.php:978
   9	JAccess::getGroupsByUser()	JROOT/libraries/joomla/access/access.php:1047
   8	JAccess::getAuthorisedViewLevels()	JROOT/libraries/joomla/user/user.php:453
   7	JUser->getAuthorisedViewLevels()	JROOT/libraries/cms/plugin/helper.php:293
   6	JPluginHelper::load()	JROOT/libraries/cms/plugin/helper.php:86
   5	JPluginHelper::getPlugin()	JROOT/libraries/cms/plugin/helper.php:128
   4	JPluginHelper::isEnabled()	JROOT/libraries/cms/application/site.php:603
   3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
   2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
   1	JApplicationCms->execute()	JROOT/index.php:49

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

   ---

7. Query Time: 0.41 ms After last query: 0.83 ms Query memory: 0.005 MB Memory before query: 3.010 MB Rows returned: 5

   SELECT id, rules
   
     FROM `jos_viewlevels`

   Explain

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

   Profile

   Status	Duration
   Starting	0.14 ms
   Waiting for query cache lock	0.01 ms
   starting	0.01 ms
   Checking query cache for query	0.02 ms
   checking privileges on cached	0.01 ms
   checking permissions	0.02 ms
   Sending cached result to clien	0.10 ms
   Updating status	0.02 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1486
   9	JDatabaseDriver->loadAssocList()	JROOT/libraries/joomla/access/access.php:1064
   8	JAccess::getAuthorisedViewLevels()	JROOT/libraries/joomla/user/user.php:453
   7	JUser->getAuthorisedViewLevels()	JROOT/libraries/cms/plugin/helper.php:293
   6	JPluginHelper::load()	JROOT/libraries/cms/plugin/helper.php:86
   5	JPluginHelper::getPlugin()	JROOT/libraries/cms/plugin/helper.php:128
   4	JPluginHelper::isEnabled()	JROOT/libraries/cms/application/site.php:603
   3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
   2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
   1	JApplicationCms->execute()	JROOT/index.php:49

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

   ---

8. Query Time: 2.23 ms After last query: 0.18 ms Query memory: 0.005 MB Memory before query: 3.037 MB Rows returned: 91

   SELECT `folder` AS `type`,`element` AS `name`,`params`
   
     FROM jos_extensions
   
     WHERE enabled = 1 
     AND type = 'plugin' 
     AND state IN (0,1) 
     AND access IN (1,1,2,3,6)
   
     ORDER BY ordering

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_extensions	ALL	extension	NO INDEX KEY COULD BE USED	NULL	NULL	245	50.61	Using where; Using filesort

   Profile

   Status	Duration
   Starting	0.11 ms
   Waiting for query cache lock	0.01 ms
   starting	0.01 ms
   Checking query cache for query	0.13 ms
   checking permissions	0.02 ms
   Opening tables	0.03 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   table lock	0.01 ms
   Waiting for query cache lock	0.03 ms
   init	0.09 ms
   Optimizing	0.05 ms
   Statistics	0.10 ms
   Preparing	0.04 ms
   Sorting result	0.02 ms
   Executing	0.01 ms
   Sending data	0.02 ms
   Creating sort index	0.73 ms
   Waiting for query cache lock	0.01 ms
   Creating sort index	0.03 ms
   Waiting for query cache lock	0.01 ms
   Creating sort index	0.41 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   Commit	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	0.08 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	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
   9	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/plugin/helper.php:311
   8	JPluginHelper::{closure}()	JROOT/libraries/joomla/cache/controller/callback.php:169
   7	JCacheControllerCallback->get()	JROOT/libraries/cms/plugin/helper.php:316
   6	JPluginHelper::load()	JROOT/libraries/cms/plugin/helper.php:86
   5	JPluginHelper::getPlugin()	JROOT/libraries/cms/plugin/helper.php:128
   4	JPluginHelper::isEnabled()	JROOT/libraries/cms/application/site.php:603
   3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
   2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
   1	JApplicationCms->execute()	JROOT/index.php:49

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

   ---

9. Query Time: 2.04 ms After last query: 16.99 ms Query memory: 0.009 MB Memory before query: 4.175 MB Rows returned: 24

   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

   Explain

   id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	m	ref	idx_client_id_parent_id_alias_language	idx_client_id_parent_id_alias_language	1	const	51	57.95	Using index condition; Using where; Using filesort
   1	SIMPLE	e	eq_ref	PRIMARY	PRIMARY	4	elzenzo_2.m.component_id	1	100.00	Using where

   Profile

   Status	Duration
   Starting	0.23 ms
   Waiting for query cache lock	0.01 ms
   starting	0.01 ms
   Checking query cache for query	0.20 ms
   checking permissions	0.06 ms
   Opening tables	0.05 ms
   After opening tables	0.01 ms
   System lock	0.01 ms
   table lock	0.01 ms
   Waiting for query cache lock	0.03 ms
   init	0.05 ms
   Optimizing	0.04 ms
   Statistics	0.08 ms
   Preparing	0.04 ms
   Sorting result	0.02 ms
   Executing	0.01 ms
   Sending data	0.02 ms
   Creating sort index	0.54 ms
   Waiting for query cache lock	0.01 ms
   Creating sort index	0.17 ms
   End of update loop	0.01 ms
   Query end	0.01 ms
   Commit	0.01 ms
   Query end	0.01 ms
   closing tables	0.01 ms
   Unlocking tables	0.01 ms
   closing tables	0.04 ms
   Query end	0.01 ms
   Starting cleanup	0.01 ms
   Freeing items	0.08 ms
   Updating status	0.01 ms
   Waiting for query cache lock	0.01 ms
   Updating status	0.02 ms
   Waiting for query cache lock	0.01 ms
   Updating status	0.01 ms
   Storing result in query cache	0.01 ms
   Reset for next command	0.01 ms

   Call Stack

   #	Caller	File and line number
   18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
   17	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/menu/site.php:88
   16	JMenuSite->{closure}()	JROOT/libraries/joomla/cache/controller/callback.php:169
   15	JCacheControllerCallback->get()	JROOT/libraries/cms/menu/site.php:96
   14	JMenuSite->load()	JROOT/libraries/cms/menu/menu.php:74
   13	JMenu->__construct()	JROOT/libraries/cms/menu/site.php:57
   12	JMenuSite->__construct()	JROOT/libraries/cms/menu/menu.php:129
   11	JMenu::getInstance()	JROOT/libraries/cms/application/cms.php:443
   10	JApplicationCms->getMenu()	JROOT/libraries/cms/application/site.php:272
   9	JApplicationSite->getMenu()	JROOT/libraries/cms/router/site.php:59
   8	JRouterSite->__construct()	JROOT/libraries/cms/router/router.php:198
   7	JRouter::getInstance()	JROOT/libraries/cms/application/cms.php:548
   6	JApplicationCms::getRouter()	JROOT/libraries/cms/application/site.php:402
   5	JApplicationSite::getRouter()	JROOT/libraries/cms/application/cms.php:1141
   4	JApplicationCms->route()	JROOT/libraries/cms/application/site.php:795
   3	JApplicationSite->route()	JROOT/libraries/cms/application/site.php:215
   2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
   1	JApplicationCms->execute()	JROOT/index.php:49

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

   ---

10. Query Time: 0.55 ms After last query: 10.62 ms Query memory: 0.006 MB Memory before query: 4.812 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 jos_categories as c
    
      LEFT JOIN jos_categories AS s 
      ON (s.lft <= c.lft 
      AND s.rgt >= c.rgt) OR (s.lft > c.lft 
      AND s.rgt < c.rgt)
    
      WHERE (c.extension='com_content' OR c.extension='system') 
      AND c.access IN (1,1,2,3,6) 
      AND c.published = 1 
      AND s.id=1839
    
      GROUP BY 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
    
      ORDER BY c.lft

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	NULL	NULL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables

    Profile

    Status	Duration
    Starting	0.21 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.02 ms
    checking privileges on cached	0.01 ms
    checking permissions	0.02 ms
    Sending cached result to clien	0.11 ms
    Updating status	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    13	JDatabaseDriver->loadObjectList()	JROOT/libraries/legacy/categories/categories.php:301
    12	JCategories->_load()	JROOT/libraries/legacy/categories/categories.php:182
    11	JCategories->get()	JROOT/components/com_content/helpers/legacyrouter.php:350
    10	ContentRouterRulesLegacy->parse()	JROOT/libraries/cms/component/router/view.php:263
    9	JComponentRouterView->parse()	JROOT/libraries/cms/router/site.php:432
    8	JRouterSite->parseSefRoute()	JROOT/libraries/cms/router/router.php:483
    7	JRouter->_parseSefRoute()	JROOT/libraries/cms/router/router.php:236
    6	JRouter->parse()	JROOT/libraries/cms/router/site.php:133
    5	JRouterSite->parse()	JROOT/libraries/cms/application/cms.php:1142
    4	JApplicationCms->route()	JROOT/libraries/cms/application/site.php:795
    3	JApplicationSite->route()	JROOT/libraries/cms/application/site.php:215
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

11. Query Time: 1.15 ms After last query: 0.12 ms Query memory: 0.006 MB Memory before query: 4.816 MB Rows returned: 1

    SELECT `alias`,`catid`
    
      FROM `jos_content`
    
      WHERE `id` = 1839

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_content	const	PRIMARY	PRIMARY	4	const	1	100.00

    Profile

    Status	Duration
    Starting	0.12 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.09 ms
    checking permissions	0.01 ms
    Opening tables	0.05 ms
    After opening tables	0.07 ms
    System lock	0.01 ms
    table lock	0.02 ms
    Waiting for query cache lock	0.03 ms
    init	0.05 ms
    Optimizing	0.03 ms
    Statistics	0.10 ms
    Preparing	0.01 ms
    Unlocking tables	0.01 ms
    Preparing	0.03 ms
    Executing	0.01 ms
    Sending data	0.03 ms
    End of update loop	0.01 ms
    Query end	0.01 ms
    Commit	0.01 ms
    Query end	0.01 ms
    closing tables	0.01 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.02 ms
    Starting cleanup	0.01 ms
    Freeing items	0.12 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	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1642
    11	JDatabaseDriver->loadObject()	JROOT/components/com_content/helpers/legacyrouter.php:366
    10	ContentRouterRulesLegacy->parse()	JROOT/libraries/cms/component/router/view.php:263
    9	JComponentRouterView->parse()	JROOT/libraries/cms/router/site.php:432
    8	JRouterSite->parseSefRoute()	JROOT/libraries/cms/router/router.php:483
    7	JRouter->_parseSefRoute()	JROOT/libraries/cms/router/router.php:236
    6	JRouter->parse()	JROOT/libraries/cms/router/site.php:133
    5	JRouterSite->parse()	JROOT/libraries/cms/application/cms.php:1142
    4	JApplicationCms->route()	JROOT/libraries/cms/application/site.php:795
    3	JApplicationSite->route()	JROOT/libraries/cms/application/site.php:215
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

12. Query Time: 1.23 ms After last query: 0.73 ms Query memory: 0.006 MB Memory before query: 4.853 MB Rows returned: 1

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

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_extensions	ref	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	100.00	Using index condition

    Profile

    Status	Duration
    Starting	0.13 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.08 ms
    checking permissions	0.01 ms
    Opening tables	0.03 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    table lock	0.02 ms
    Waiting for query cache lock	0.03 ms
    init	0.05 ms
    Optimizing	0.07 ms
    Statistics	0.15 ms
    Preparing	0.05 ms
    Executing	0.01 ms
    Sending data	0.08 ms
    End of update loop	0.01 ms
    Query end	0.01 ms
    Commit	0.01 ms
    Query end	0.01 ms
    closing tables	0.01 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.01 ms
    Starting cleanup	0.01 ms
    Freeing items	0.12 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	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1642
    13	JDatabaseDriver->loadObject()	JROOT/libraries/cms/library/helper.php:166
    12	JLibraryHelper::{closure}()	JROOT/libraries/joomla/cache/controller/callback.php:169
    11	JCacheControllerCallback->get()	JROOT/libraries/cms/library/helper.php:174
    10	JLibraryHelper::loadLibrary()	JROOT/libraries/cms/library/helper.php:42
    9	JLibraryHelper::getLibrary()	JROOT/libraries/cms/library/helper.php:89
    8	JLibraryHelper::getParams()	JROOT/libraries/cms/version/version.php:270
    7	JVersion->getMediaVersion()	JROOT/libraries/joomla/factory.php:755
    6	JFactory::createDocument()	JROOT/libraries/joomla/factory.php:216
    5	JFactory::getDocument()	JROOT/libraries/joomla/application/web.php:1022
    4	JApplicationWeb->loadDocument()	JROOT/libraries/cms/application/site.php:130
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

13. Query Time: 2.38 ms After last query: 0.21 ms Query memory: 0.005 MB Memory before query: 4.844 MB

    UPDATE `jos_extensions`
    
      SET `params` = '{\"mediaversion\":\"c55fb0024271d6a67233fde12bdbe846\"}'
    
      WHERE `type` = 'library' 
      AND `element` = 'joomla'

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_extensions	range	element_clientid,element_folder_clientid,extension	extension	484	NULL	1	100.00	Using where

    Profile

    Status	Duration
    Starting	0.17 ms
    checking permissions	0.02 ms
    Opening tables	0.03 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    table lock	0.01 ms
    init for update	0.13 ms
    Updating	0.15 ms
    End of update loop	0.01 ms
    Waiting for query cache lock	0.01 ms
    End of update loop	0.06 ms
    Query end	0.01 ms
    Commit	1.28 ms
    Query end	0.02 ms
    closing tables	0.07 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.01 ms
    Starting cleanup	0.01 ms
    Freeing items	0.18 ms
    Updating status	0.04 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    10	JDatabaseDriverMysqli->execute()	JROOT/libraries/cms/library/helper.php:116
    9	JLibraryHelper::saveParams()	JROOT/libraries/cms/version/version.php:321
    8	JVersion->setMediaVersion()	JROOT/libraries/cms/version/version.php:280
    7	JVersion->getMediaVersion()	JROOT/libraries/joomla/factory.php:755
    6	JFactory::createDocument()	JROOT/libraries/joomla/factory.php:216
    5	JFactory::getDocument()	JROOT/libraries/joomla/application/web.php:1022
    4	JApplicationWeb->loadDocument()	JROOT/libraries/cms/application/site.php:130
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

14. Query Time: 0.44 ms After last query: 2.71 ms Query memory: 0.003 MB Memory before query: 5.007 MB Rows returned: 1

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

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_languages	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	2	100.00	Using where; Using filesort

    Profile

    Status	Duration
    Starting	0.18 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.02 ms
    checking privileges on cached	0.01 ms
    checking permissions	0.02 ms
    Sending cached result to clien	0.11 ms
    Updating status	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    7	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    6	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/language/helper.php:148
    5	JLanguageHelper::getLanguages()	JROOT/libraries/cms/application/site.php:327
    4	JApplicationSite->getParams()	JROOT/libraries/cms/application/site.php:135
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

15. Query Time: 1.62 ms After last query: 0.29 ms Query memory: 0.003 MB Memory before query: 5.025 MB Rows returned: 3

    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

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	s	ref	idx_template,idx_client_id,idx_client_id_home	idx_client_id	1	const	3	100.00
    1	SIMPLE	e	ref	element_clientid,element_folder_clientid,extension	element_clientid	403	elzenzo_2.s.template,const	1	2.45	Using index condition; Using where

    Profile

    Status	Duration
    Starting	0.12 ms
    Waiting for query cache lock	0.01 ms
    starting	0.04 ms
    Checking query cache for query	0.13 ms
    checking permissions	0.01 ms
    Opening tables	0.08 ms
    After opening tables	0.02 ms
    System lock	0.01 ms
    table lock	0.01 ms
    Waiting for query cache lock	0.04 ms
    init	0.06 ms
    Optimizing	0.06 ms
    Statistics	0.17 ms
    Preparing	0.07 ms
    Executing	0.01 ms
    Sending data	0.28 ms
    End of update loop	0.08 ms
    Query end	0.01 ms
    Commit	0.01 ms
    Query end	0.01 ms
    closing tables	0.01 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.01 ms
    Starting cleanup	0.01 ms
    Freeing items	0.15 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	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    6	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    5	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/application/site.php:485
    4	JApplicationSite->getTemplate()	JROOT/libraries/cms/application/site.php:165
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

16. Query Time: 0.53 ms After last query: 11.03 ms Query memory: 0.009 MB Memory before query: 5.378 MB Rows returned: 37

    SELECT `id`,`name`,`rules`,`parent_id`
    
      FROM `jos_assets`
    
      WHERE `name` IN ('com_actionlogs','com_admin','com_ajax','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_jce','com_jckman','com_joomlaupdate','com_languages','com_login','com_mailto','com_media','com_menus','com_messages','com_modules','com_newsfeeds','com_plugins','com_postinstall','com_privacy','com_redirect','com_search','com_tags','com_templates','com_users','com_weblinks','com_wrapper') OR `parent_id` = 0

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_assets	index_merge	idx_asset_name,idx_parent_id	idx_asset_name,idx_parent_id	202,4	NULL	38	100.00	Using sort_union(idx_asset_name,idx_parent_id); Using where

    Profile

    Status	Duration
    Starting	0.27 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.02 ms
    checking privileges on cached	0.01 ms
    checking permissions	0.02 ms
    Sending cached result to clien	0.15 ms
    Updating status	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    17	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/access/access.php:427
    16	JAccess::preloadComponents()	JROOT/libraries/joomla/access/access.php:211
    15	JAccess::preload()	JROOT/libraries/joomla/access/access.php:529
    14	JAccess::getAssetRules()	JROOT/libraries/joomla/access/access.php:181
    13	JAccess::check()	JROOT/libraries/joomla/user/user.php:393
    12	JUser->authorise()	JROOT/components/com_content/models/article.php:55
    11	ContentModelArticle->populateState()	JROOT/libraries/legacy/model/legacy.php:434
    10	JModelLegacy->getState()	JROOT/components/com_content/models/article.php:248
    9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:109
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

17. Query Time: 2.22 ms After last query: 1.43 ms Query memory: 0.008 MB Memory before query: 5.549 MB Rows returned: 31

    SHOW FULL COLUMNS 
      FROM `jos_content`

    Explain

    EXPLAIN not possible on query: SHOW FULL COLUMNS FROM `jos_content`

    Profile

    Status	Duration
    Starting	0.25 ms
    checking permissions	0.02 ms
    closing tables	0.01 ms
    checking permissions	0.01 ms
    Opening tables	0.57 ms
    After opening tables	0.02 ms
    System lock	0.01 ms
    table lock	0.02 ms
    init	0.03 ms
    Optimizing	0.02 ms
    Statistics	0.03 ms
    Preparing	0.03 ms
    Executing	0.01 ms
    Filling schema table	0.02 ms
    Opening tables	0.05 ms
    After opening tables	0.02 ms
    checking permissions	0.37 ms
    closing tables	0.02 ms
    checking permissions	0.02 ms
    Executing	0.05 ms
    Sending data	0.19 ms
    End of update loop	0.02 ms
    Query end	0.01 ms
    closing tables	0.01 ms
    Removing tmp table	0.11 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	0.12 ms
    Updating status	0.04 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    15	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/database/driver/mysqli.php:440
    14	JDatabaseDriverMysqli->getTableColumns()	JROOT/libraries/joomla/table/table.php:244
    13	JTable->getFields()	JROOT/libraries/joomla/table/table.php:163
    12	JTable->__construct()	JROOT/libraries/legacy/table/content.php:33
    11	JTableContent->__construct()	JROOT/libraries/joomla/table/table.php:311
    10	JTable::getInstance()	JROOT/components/com_content/models/article.php:250
    9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:109
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

18. Query Time: 1.23 ms After last query: 3.68 ms Query memory: 0.006 MB Memory before query: 5.781 MB Rows returned: 1

    SELECT *
    
      FROM jos_content
    
      WHERE `id` = '1839'

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_content	const	PRIMARY	PRIMARY	4	const	1	100.00

    Profile

    Status	Duration
    Starting	0.18 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.08 ms
    checking permissions	0.01 ms
    Opening tables	0.04 ms
    After opening tables	0.02 ms
    System lock	0.01 ms
    table lock	0.01 ms
    Waiting for query cache lock	0.03 ms
    init	0.07 ms
    Optimizing	0.03 ms
    Statistics	0.14 ms
    Preparing	0.01 ms
    Unlocking tables	0.01 ms
    Preparing	0.02 ms
    Executing	0.01 ms
    Sending data	0.07 ms
    End of update loop	0.01 ms
    Query end	0.01 ms
    Commit	0.01 ms
    Query end	0.01 ms
    closing tables	0.01 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.01 ms
    Starting cleanup	0.01 ms
    Freeing items	0.15 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	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1445
    11	JDatabaseDriver->loadAssoc()	JROOT/libraries/joomla/table/table.php:729
    10	JTable->load()	JROOT/components/com_content/models/article.php:251
    9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:109
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

19. Query Time: 2.70 ms After last query: 0.18 ms Query memory: 0.005 MB Memory before query: 5.788 MB

    UPDATE jos_content
    
      SET `hits` = (`hits` + 1)
    
      WHERE `id` = '1839'

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_content	range	PRIMARY	PRIMARY	4	NULL	1	100.00	Using where

    Profile

    Status	Duration
    Starting	0.18 ms
    checking permissions	0.02 ms
    Opening tables	0.03 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    table lock	0.01 ms
    init for update	0.10 ms
    Updating	0.16 ms
    End of update loop	0.02 ms
    Waiting for query cache lock	0.01 ms
    End of update loop	0.05 ms
    Query end	0.01 ms
    Commit	1.38 ms
    Query end	0.03 ms
    closing tables	0.01 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.05 ms
    Starting cleanup	0.01 ms
    Freeing items	0.12 ms
    Updating status	0.03 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/table/table.php:1240
    10	JTable->hit()	JROOT/components/com_content/models/article.php:252
    9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:109
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

20. Query Time: 1.49 ms After last query: 2.75 ms Query memory: 0.007 MB Memory before query: 5.903 MB Rows returned: 1

    SELECT a.id, a.asset_id, a.title, a.alias, a.introtext, a.fulltext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, 
      CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, a.images, a.urls, a.attribs, a.version, a.ordering, a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference,c.title AS category_title, c.alias AS category_alias, c.access AS category_access,u.name AS author,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count
    
      FROM jos_content AS a
    
      INNER JOIN jos_categories AS c 
      on c.id = a.catid
    
      LEFT JOIN jos_users AS u 
      on u.id = a.created_by
    
      LEFT JOIN jos_categories as parent 
      ON parent.id = c.parent_id
    
      LEFT JOIN jos_content_rating AS v 
      ON a.id = v.content_id
    
      WHERE a.id = 1839 
      AND c.published > 0

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	const	PRIMARY,idx_catid	PRIMARY	4	const	1	100.00
    1	SIMPLE	c	const	PRIMARY	PRIMARY	4	const	1	100.00
    1	SIMPLE	u	const	PRIMARY	PRIMARY	4	const	0	0.00	Unique row not found
    1	SIMPLE	parent	const	PRIMARY	PRIMARY	4	const	1	100.00
    1	SIMPLE	v	const	PRIMARY	PRIMARY	4	const	0	0.00	Unique row not found

    Profile

    Status	Duration
    Starting	0.13 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.25 ms
    checking permissions	0.01 ms
    Opening tables	0.08 ms
    After opening tables	0.01 ms
    System lock	0.01 ms
    table lock	0.01 ms
    Waiting for query cache lock	0.05 ms
    init	0.10 ms
    Optimizing	0.06 ms
    Statistics	0.20 ms
    Preparing	0.05 ms
    Unlocking tables	0.01 ms
    Preparing	0.03 ms
    Executing	0.01 ms
    Sending data	0.07 ms
    End of update loop	0.01 ms
    Query end	0.01 ms
    Commit	0.01 ms
    Query end	0.01 ms
    closing tables	0.01 ms
    Unlocking tables	0.01 ms
    closing tables	0.02 ms
    Query end	0.01 ms
    Starting cleanup	0.01 ms
    Freeing items	0.10 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
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1642
    13	JDatabaseDriver->loadObject()	JROOT/components/com_content/models/article.php:148
    12	ContentModelArticle->getItem()	JROOT/libraries/legacy/view/legacy.php:422
    11	JViewLegacy->get()	JROOT/components/com_content/views/article/view.html.php:42
    10	ContentViewArticle->display()	JROOT/libraries/legacy/controller/legacy.php:671
    9	JControllerLegacy->display()	JROOT/components/com_content/controller.php:113
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

21. Query Time: 1.11 ms After last query: 2.55 ms Query memory: 0.010 MB Memory before query: 6.002 MB Rows returned: 11

    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 jos_categories as c
    
      LEFT JOIN jos_categories AS s 
      ON (s.lft <= c.lft 
      AND s.rgt >= c.rgt) OR (s.lft > c.lft 
      AND s.rgt < c.rgt)
    
      WHERE (c.extension='com_content' OR c.extension='system') 
      AND c.access IN (1,1,2,3,6) 
      AND c.published = 1 
      AND s.id=12
    
      GROUP BY 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
    
      ORDER BY c.lft

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00
    1	SIMPLE	c	ALL	cat_idx,idx_access,idx_left_right	NO INDEX KEY COULD BE USED	NULL	NULL	51	90.20	Using where; Using filesort

    Profile

    Status	Duration
    Starting	0.14 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.02 ms
    checking privileges on cached	0.01 ms
    checking permissions	0.01 ms
    Sending cached result to clien	0.48 ms
    Updating status	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    22	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    21	JDatabaseDriver->loadObjectList()	JROOT/libraries/legacy/categories/categories.php:301
    20	JCategories->_load()	JROOT/libraries/legacy/categories/categories.php:182
    19	JCategories->get()	JROOT/components/com_content/router.php:70
    18	ContentRouter->getCategorySegment()	JROOT/libraries/cms/component/router/view.php:117
    17	JComponentRouterView->getPath()	JROOT/libraries/cms/component/router/rules/menu.php:82
    16	JComponentRouterRulesMenu->preprocess()	JROOT/libraries/cms/component/router/view.php:219
    15	JComponentRouterView->preprocess()	JROOT/libraries/cms/router/site.php:660
    14	JRouterSite->processBuildRules()	JROOT/libraries/cms/router/router.php:267
    13	JRouter->build()	JROOT/libraries/cms/router/site.php:149
    12	JRouterSite->build()	JROOT/libraries/joomla/application/route.php:62
    11	JRoute::_()	JROOT/components/com_content/views/article/view.html.php:71
    10	ContentViewArticle->display()	JROOT/libraries/legacy/controller/legacy.php:671
    9	JControllerLegacy->display()	JROOT/components/com_content/controller.php:113
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

22. Query Time: 0.29 ms After last query: 1.12 ms Query memory: 0.006 MB Memory before query: 6.312 MB Rows returned: 0

    SELECT `m`.`tag_id`,`t`.*
    
      FROM `jos_contentitem_tag_map` AS m 
    
      INNER JOIN `jos_tags` AS t  
      ON `m`.`tag_id` = `t`.`id`
    
      WHERE `m`.`type_alias` = 'com_content.article' 
      AND `m`.`content_item_id` = 1839 
      AND `t`.`published` = 1 
      AND t.access IN (1,1,2,3,6)

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	m	ALL	idx_tag_type	NO INDEX KEY COULD BE USED	NULL	NULL	22	100.00	Using where
    1	SIMPLE	t	eq_ref	PRIMARY,tag_idx,idx_access	PRIMARY	4	elzenzo_2.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    Starting	0.10 ms
    Waiting for query cache lock	0.01 ms
    starting	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	0.08 ms
    Updating status	0.01 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    13	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    12	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/helper/tags.php:450
    11	JHelperTags->getItemTags()	JROOT/components/com_content/views/article/view.html.php:180
    10	ContentViewArticle->display()	JROOT/libraries/legacy/controller/legacy.php:671
    9	JControllerLegacy->display()	JROOT/components/com_content/controller.php:113
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

23. Query Time: 0.39 ms After last query: 10.52 ms Query memory: 0.009 MB Memory before query: 6.819 MB Rows returned: 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
    
      LEFT JOIN `jos_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 (12,0)) 
      AND a.access IN (1,1,2,3,6) 
      AND (a.group_id = 0 OR g.access IN (1,1,2,3,6)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)
    
      GROUP BY a.id, l.title, l.image, uc.name, ag.title, ua.name, g.title, g.access, g.state
    
      ORDER BY a.ordering

    Explain

    id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	ref	idx_state,idx_access,idx_context	idx_state	1	const	1	100.00	Using where; Using temporary; Using filesort
    1	SIMPLE	l	eq_ref	idx_langcode	idx_langcode	28	elzenzo_2.a.language	1	100.00	Using where
    1	SIMPLE	uc	eq_ref	PRIMARY	PRIMARY	4	elzenzo_2.a.checked_out	1	100.00
    1	SIMPLE	ag	eq_ref	PRIMARY	PRIMARY	4	elzenzo_2.a.access	1	100.00	Using where
    1	SIMPLE	ua	eq_ref	PRIMARY	PRIMARY	4	elzenzo_2.a.created_user_id	1	100.00	Using where
    1	SIMPLE	g	eq_ref	PRIMARY	PRIMARY	4	elzenzo_2.a.group_id	1	100.00	Using where
    1	SIMPLE	fc	ref	PRIMARY	PRIMARY	4	elzenzo_2.a.id	1	100.00	Using where; Using index

    Profile

    Status	Duration
    Starting	0.14 ms
    Waiting for query cache lock	0.01 ms
    starting	0.01 ms
    Checking query cache for query	0.02 ms
    checking privileges on cached	0.01 ms
    checking permissions	0.02 ms
    Sending cached result to clien	0.10 ms
    Updating status	0.02 ms
    Reset for next command	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1681
    18	JDatabaseDriver->loadObjectList()	JROOT/libraries/legacy/model/legacy.php:307
    17	JModelLegacy->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
    16	FieldsModelFields->_getList()	JROOT/libraries/legacy/model/list.php:186
    15	JModelList->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:134
    14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:378
    13	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
    12	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    11	JEventDispatcher->trigger()	JROOT/components/com_content/views/article/view.html.php:190
    10	ContentViewArticle->display()	JROOT/libraries/legacy/controller/legacy.php:671
    9	JControllerLegacy->display()	JROOT/components/com_content/controller.php:113
    8	ContentController->display()	JROOT/libraries/legacy/controller/legacy.php:709
    7	JControllerLegacy->execute()	JROOT/components/com_content/content.php:39
    6	require_once JROOT/components/com_content/content.php	JROOT/libraries/cms/component/helper.php:394
    5	JComponentHelper::executeComponent()	JROOT/libraries/cms/component/helper.php:369
    4	JComponentHelper::renderComponent()	JROOT/libraries/cms/application/site.php:191
    3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
    2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:265
    1	JApplicationCms->execute()	JROOT/index.php:49

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

    ---

21 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

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

2. 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 jos_categories as c 
     LEFT JOIN jos_categories AS s 
     ON (s.lft <= c.lft 
     AND s.rgt >= c.rgt) OR (s.lft > c.lft 
     AND s.rgt < c.rgt)

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

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

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 id, rules 
     FROM `jos_viewlevels

7. 1 × SELECT `folder` AS `type`,`element` AS `name`,`params` 
     FROM jos_extensions

8. 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

9. 1 × SELECT `alias`,`catid` 
     FROM `jos_content`

10. 1 × SELECT * 
      FROM jos_languages

11. 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

12. 1 × SELECT `id`,`name`,`rules`,`parent_id` 
      FROM `jos_assets`

13. 1 × SELECT * 
      FROM jos_content

14. 1 × SELECT a.id, a.asset_id, a.title, a.alias, a.introtext, a.fulltext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, 
      CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, a.images, a.urls, a.attribs, a.version, a.ordering, a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference,c.title AS category_title, c.alias AS category_alias, c.access AS category_access,u.name AS author,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count 
      FROM jos_content AS a 
      INNER JOIN jos_categories AS c 
      on c.id = a.catid 
      LEFT JOIN jos_users AS u 
      on u.id = a.created_by 
      LEFT JOIN jos_categories as parent 
      ON parent.id = c.parent_id 
      LEFT JOIN jos_content_rating AS v 
      ON a.id = v.content_id

15. 1 × SELECT `m`.`tag_id`,`t`.* 
      FROM `jos_contentitem_tag_map` AS m  
      INNER JOIN `jos_tags` AS t  
      ON `m`.`tag_id` = `t`.`id`

16. 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 
      LEFT JOIN `jos_fields_categories` AS fc 
      ON fc.field_id = a.id

OTHER Tables:

1. 1 × DELETE  
     FROM `jos_session`

2. 1 × INSERT INTO `jos_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES  ('cad9da9f8e013581727af4f559a41797', 1, '1771302633', 0, '', 0

3. 1 × UPDATE `jos_extensions` 
     SET `params` = '{\"mediaversion\":\"c55fb0024271d6a67233fde12bdbe846\"}'

4. 1 × SHOW FULL COLUMNS 
     FROM `jos_content

5. 1 × UPDATE jos_content 
     SET `hits` = (`hits` + 1)