{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1569210949,
                "last": 1569210949,
                "now": 1569210949
            },
            "client": {
                "forwarded": "34.204.176.189"
            },
            "token": "jNnEKWkpTU6KplAZ4nsaAV1WuxRREzHa"
        },
        "registry": {
            "com_attachments": {
                "current_url": "&return=aHR0cDovL3d3dy5jb250cm9scG9zdC5ldS9jb250cm9scG9zdC9pbmRleC5waHAvZW4vam91cm5hbD9zdGFydD0xMA%3D%3D"
            }
        },
        "user": {
            "id": 0,
            "name": null,
            "username": null,
            "email": null,
            "password": null,
            "password_clear": "",
            "block": null,
            "sendEmail": 0,
            "registerDate": null,
            "lastvisitDate": null,
            "activation": null,
            "params": null,
            "groups": [],
            "guest": 1,
            "lastResetTime": null,
            "resetCount": null,
            "requireReset": null,
            "aid": 0
        },
        "plg_system_languagefilter": {
            "language": "en-GB"
        }
    }
}

Time

Memory

54 Queries Logged 38.53 ms

1. Query Time: 0.18 ms Query memory: 0.025 MB Memory before query: 1.208 MB Rows returned: 0

   SELECT `data`
   
     FROM `jos_session`
   
     WHERE `session_id` = 'nmvqqc67rrs4b7s8jgpca9nd54'

   Explain

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

   Profile

   Status	Duration
   starting	0.04 ms
   checking permissions	0.00 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	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	0.31 ms
   cleaning up	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:660
   9	Joomla\CMS\Session\Session->_start()	JROOT/libraries/src/Session/Session.php:620
   8	Joomla\CMS\Session\Session->start()	JROOT/libraries/src/Session/Session.php:498
   7	Joomla\CMS\Session\Session->get()	JROOT/libraries/src/Session/Session.php:455
   6	Joomla\CMS\Session\Session->isNew()	JROOT/libraries/src/Application/CMSApplication.php:758
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:135
   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:344
   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: 0.15 ms After last query: 0.27 ms Query memory: 0.022 MB Memory before query: 1.224 MB Rows returned: 0

   SELECT `session_id`
   
     FROM `jos_session`
   
     WHERE `session_id` = 'nmvqqc67rrs4b7s8jgpca9nd54' 
     LIMIT 1

   Explain

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

   Profile

   Status	Duration
   starting	0.03 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.01 ms
   System lock	0.00 ms
   optimizing	0.01 ms
   statistics	0.02 ms
   executing	0.01 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	0.10 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:153
   6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:760
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:135
   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:344
   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: 5.45 ms After last query: 0.07 ms Query memory: 0.004 MB Memory before query: 1.292 MB

   INSERT INTO `jos_session`
   (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
     VALUES 
   ('nmvqqc67rrs4b7s8jgpca9nd54', 1, 1569210949, 0, '', 0)

   Explain

   EXPLAIN not possible on query: INSERT INTO `jos_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES ('nmvqqc67rrs4b7s8jgpca9nd54', 1, 1569210949, 0, '', 0)

   Profile

   Status	Duration
   starting	0.03 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.01 ms
   System lock	0.00 ms
   update	0.07 ms
   end	0.00 ms
   query end	5.28 ms
   closing tables	0.01 ms
   freeing items	0.35 ms
   cleaning up	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:153
   6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:760
   5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:135
   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:344
   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: 0.37 ms After last query: 0.32 ms Query memory: 0.031 MB Memory before query: 1.327 MB Rows returned: 41

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

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_extensions	NULL	ref	extension	extension	82	const	42	1.00	Using where

   Profile

   Status	Duration
   starting	0.03 ms
   checking permissions	0.00 ms
   Opening tables	0.02 ms
   init	0.02 ms
   System lock	0.01 ms
   optimizing	0.01 ms
   statistics	0.04 ms
   preparing	0.01 ms
   executing	0.00 ms
   Sending data	0.13 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	0.37 ms
   cleaning up	0.02 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:196
   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: 0.15 ms After last query: 0.30 ms Query memory: 0.023 MB Memory before query: 1.360 MB Rows returned: 9

   SELECT id, rules
   
     FROM `jos_viewlevels`

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_viewlevels	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	9	100.00	NULL

   Profile

   Status	Duration
   starting	0.02 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.01 ms
   System lock	0.00 ms
   optimizing	0.00 ms
   statistics	0.01 ms
   preparing	0.01 ms
   executing	0.00 ms
   Sending data	0.03 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	0.10 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:321
   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:196
   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: 0.17 ms After last query: 0.07 ms Query memory: 0.022 MB Memory before query: 1.374 MB Rows returned: 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
   
     WHERE a.id = 1

   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	1	100.00	Using where; Using index

   Profile

   Status	Duration
   starting	0.03 ms
   checking permissions	0.00 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.01 ms
   System lock	0.00 ms
   optimizing	0.01 ms
   statistics	0.04 ms
   preparing	0.01 ms
   executing	0.00 ms
   Sending data	0.01 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	0.13 ms
   cleaning up	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:321
   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:196
   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: 0.58 ms After last query: 0.10 ms Query memory: 0.039 MB Memory before query: 1.396 MB Rows returned: 99

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

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_extensions	NULL	ref	extension	extension	82	const	121	0.43	Using index condition; Using where; Using filesort

   Profile

   Status	Duration
   starting	0.05 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.02 ms
   System lock	0.00 ms
   optimizing	0.01 ms
   statistics	0.03 ms
   preparing	0.01 ms
   Sorting result	0.00 ms
   executing	0.00 ms
   Sending data	0.01 ms
   Creating sort index	0.36 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	0.35 ms
   cleaning up	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:354
   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:359
   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:196
   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: 0.19 ms After last query: 0.29 ms Query memory: 0.025 MB Memory before query: 1.461 MB Rows returned: 3

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

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_languages	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	3	33.33	Using where; Using filesort

   Profile

   Status	Duration
   starting	0.02 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.02 ms
   System lock	0.00 ms
   optimizing	0.01 ms
   statistics	0.01 ms
   preparing	0.01 ms
   Sorting result	0.00 ms
   executing	0.00 ms
   Sending data	0.01 ms
   Creating sort index	0.04 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	1.96 ms
   cleaning up	0.01 ms

   Call Stack

   #	Caller	File and line number
   7	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   6	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/LanguageHelper.php:150
   5	Joomla\CMS\Language\LanguageHelper::getLanguages()	JROOT/libraries/src/Language/LanguageHelper.php:67
   4	Joomla\CMS\Language\LanguageHelper::detectLanguage()	JROOT/libraries/src/Application/SiteApplication.php:653
   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:196
   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: 0.19 ms After last query: 1.92 ms Query memory: 0.023 MB Memory before query: 1.912 MB Rows returned: 2

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

   Explain

   id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
   1	SIMPLE	jos_extensions	NULL	ref	extension	extension	82	const	2	2.50	Using where

   Profile

   Status	Duration
   starting	0.03 ms
   checking permissions	0.00 ms
   Opening tables	0.01 ms
   init	0.01 ms
   System lock	0.00 ms
   optimizing	0.01 ms
   statistics	0.03 ms
   preparing	0.01 ms
   executing	0.00 ms
   Sending data	0.02 ms
   end	0.00 ms
   query end	0.00 ms
   closing tables	0.00 ms
   freeing items	3.02 ms
   cleaning up	0.02 ms

   Call Stack

   #	Caller	File and line number
   10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
   9	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/LanguageHelper.php:209
   8	Joomla\CMS\Language\LanguageHelper::getInstalledLanguages()	JROOT/plugins/system/languagefilter/languagefilter.php:110
   7	PlgSystemLanguageFilter->__construct()	JROOT/libraries/src/Plugin/PluginHelper.php:283
   6	Joomla\CMS\Plugin\PluginHelper::import()	JROOT/libraries/src/Plugin/PluginHelper.php:182
   5	Joomla\CMS\Plugin\PluginHelper::importPlugin()	JROOT/libraries/src/Application/CMSApplication.php:625
   4	Joomla\CMS\Application\CMSApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:686
   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:196
   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: 4.58 ms After last query: 2.98 ms Query memory: 0.521 MB Memory before query: 2.050 MB Rows returned: 441

    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	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	m	NULL	range	idx_client_id_parent_id_alias_language	idx_client_id_parent_id_alias_language	5	NULL	905	10.00	Using index condition; Using where; Using filesort
    1	SIMPLE	e	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.m.component_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.05 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.05 ms
    preparing	0.01 ms
    Sorting result	0.01 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	4.30 ms
    end	0.01 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	3.72 ms
    cleaning up	0.02 ms

    Call Stack

    #	Caller	File and line number
    23	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    22	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Menu/SiteMenu.php:93
    21	Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()	Same as call in the line below.
    20	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    19	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Menu/SiteMenu.php:101
    18	Joomla\CMS\Menu\SiteMenu->load()	JROOT/libraries/src/Menu/AbstractMenu.php:76
    17	Joomla\CMS\Menu\AbstractMenu->__construct()	JROOT/libraries/src/Menu/SiteMenu.php:62
    16	Joomla\CMS\Menu\SiteMenu->__construct()	JROOT/libraries/src/Menu/AbstractMenu.php:131
    15	Joomla\CMS\Menu\AbstractMenu::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:375
    14	Joomla\CMS\Application\CMSApplication->getMenu()	JROOT/libraries/src/Application/SiteApplication.php:275
    13	Joomla\CMS\Application\SiteApplication->getMenu()	JROOT/libraries/src/Router/SiteRouter.php:64
    12	Joomla\CMS\Router\SiteRouter->__construct()	JROOT/libraries/src/Router/Router.php:189
    11	Joomla\CMS\Router\Router::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:491
    10	Joomla\CMS\Application\CMSApplication::getRouter()	JROOT/libraries/src/Application/SiteApplication.php:403
    9	Joomla\CMS\Application\SiteApplication::getRouter()	JROOT/plugins/system/languagefilter/languagefilter.php:145
    8	PlgSystemLanguageFilter->onAfterInitialise()	JROOT/libraries/joomla/event/event.php:70
    7	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    6	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    5	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:626
    4	Joomla\CMS\Application\CMSApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:686
    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:196
    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.]

    ---

11. Query Time: 0.22 ms After last query: 3.84 ms Query memory: 0.025 MB Memory before query: 3.877 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	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_extensions	NULL	ref	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.05 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    15	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1662
    14	JDatabaseDriver->loadObject()	JROOT/libraries/src/Helper/LibraryHelper.php:167
    13	Joomla\CMS\Helper\LibraryHelper::Joomla\CMS\Helper\{closure}()	Same as call in the line below.
    12	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    11	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Helper/LibraryHelper.php:175
    10	Joomla\CMS\Helper\LibraryHelper::loadLibrary()	JROOT/libraries/src/Helper/LibraryHelper.php:43
    9	Joomla\CMS\Helper\LibraryHelper::getLibrary()	JROOT/libraries/src/Helper/LibraryHelper.php:90
    8	Joomla\CMS\Helper\LibraryHelper::getParams()	JROOT/libraries/src/Version.php:321
    7	Joomla\CMS\Version->getMediaVersion()	JROOT/libraries/src/Factory.php:778
    6	Joomla\CMS\Factory::createDocument()	JROOT/libraries/src/Factory.php:234
    5	Joomla\CMS\Factory::getDocument()	JROOT/libraries/src/Application/WebApplication.php:1129
    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:196
    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.]

    ---

12. Query Time: 4.19 ms After last query: 0.09 ms Query memory: 0.005 MB Memory before query: 3.868 MB

    UPDATE `jos_extensions`
    
      SET `params` = '{\"mediaversion\":\"2b47c8dbe624d61a8ded78d4b9d4c03c\"}'
    
      WHERE `type` = 'library' 
      AND `element` = 'joomla'

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.04 ms
    updating	0.04 ms
    end	0.01 ms
    query end	4.00 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:1129
    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:196
    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.]

    ---

13. Query Time: 0.27 ms After last query: 0.31 ms Query memory: 0.021 MB Memory before query: 3.908 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	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	s	NULL	ALL	idx_template,idx_client_id,idx_client_id_home	NO INDEX KEY COULD BE USED	NULL	NULL	5	60.00	Using where
    1	SIMPLE	e	NULL	ref	element_clientid,element_folder_clientid,extension	element_clientid	403	controlpost.s.template,const	1	4.51	Using index condition; Using where

    Profile

    Status	Duration
    starting	0.04 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.05 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.05 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    6	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    5	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Application/SiteApplication.php:486
    4	Joomla\CMS\Application\SiteApplication->getTemplate()	JROOT/libraries/src/Application/SiteApplication.php:168
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
    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.]

    ---

14. Query Time: 0.65 ms After last query: 0.90 ms Query memory: 0.032 MB Memory before query: 4.069 MB Rows returned: 41

    SELECT `id`,`name`,`rules`,`parent_id`
    
      FROM `jos_assets`
    
      WHERE `name` IN ('root.1','com_actionlogs','com_acymailing','com_admin','com_admirorgallery','com_ajax','com_associations','com_attachments','com_banners','com_cache','com_categories','com_checkin','com_chronoforms','com_config','com_contact','com_content','com_contenthistory','com_cpanel','com_djimageslider','com_fields','com_finder','com_installer','com_jalang','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')

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_assets	NULL	range	idx_asset_name	idx_asset_name	202	NULL	42	100.00	Using index condition

    Profile

    Status	Duration
    starting	0.04 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.03 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.14 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.34 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 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/Access/Access.php:429
    18	Joomla\CMS\Access\Access::preloadComponents()	JROOT/libraries/src/Access/Access.php:213
    17	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:531
    16	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
    15	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
    14	Joomla\CMS\User\User->authorise()	JROOT/components/com_content/models/category.php:139
    13	ContentModelCategory->populateState()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:440
    12	Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()	JROOT/libraries/src/MVC/View/CategoryView.php:116
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

15. Query Time: 0.56 ms After last query: 0.14 ms Query memory: 0.102 MB Memory before query: 4.121 MB Rows returned: 442

    SELECT `id`,`name`,`rules`,`parent_id`
    
      FROM `jos_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	jos_assets	NULL	ALL	idx_asset_name,idx_parent_id	NO INDEX KEY COULD BE USED	NULL	NULL	535	21.35	Using where

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.04 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.41 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 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/Access/Access.php:359
    18	Joomla\CMS\Access\Access::preloadPermissions()	JROOT/libraries/src/Access/Access.php:226
    17	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:540
    16	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
    15	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
    14	Joomla\CMS\User\User->authorise()	JROOT/components/com_content/models/category.php:139
    13	ContentModelCategory->populateState()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:440
    12	Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()	JROOT/libraries/src/MVC/View/CategoryView.php:116
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

16. Query Time: 1.03 ms After last query: 0.83 ms Query memory: 0.040 MB Memory before query: 4.498 MB Rows returned: 8

    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 `jos_content` AS `i`
    
      WHERE i.`catid` = c.id 
      AND i.state = 1 
      AND (i.language = '*' OR i.language = 'en-GB')) AS numitems
    
      FROM `jos_categories` AS `s`
    
      INNER JOIN `jos_categories` AS `c` 
      ON (s.lft < c.lft 
      AND c.lft < s.rgt 
      AND c.language IN ('en-GB','*')) 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 = 112
    
      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	ALL	cat_idx,idx_left_right,idx_language	NO INDEX KEY COULD BE USED	NULL	NULL	275	21.32	Using where
    2	DEPENDENT SUBQUERY	i	NULL	ref	idx_state,idx_catid,idx_language	idx_catid	4	controlpost.c.id	4	39.13	Using index condition; Using where

    Profile

    Status	Duration
    starting	0.10 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.05 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.07 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    optimizing	0.01 ms
    statistics	0.04 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.24 ms
    executing	0.00 ms
    Sending data	0.02 ms
    executing	0.00 ms
    Sending data	0.01 ms
    executing	0.00 ms
    Sending data	0.06 ms
    executing	0.00 ms
    Sending data	0.07 ms
    executing	0.00 ms
    Sending data	0.03 ms
    executing	0.00 ms
    Sending data	0.05 ms
    executing	0.00 ms
    Sending data	0.06 ms
    executing	0.00 ms
    Sending data	0.04 ms
    end	0.00 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	0.03 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
    15	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
    14	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/models/category.php:355
    13	ContentModelCategory->getCategory()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:122
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

17. Query Time: 6.06 ms After last query: 0.54 ms Query memory: 0.047 MB Memory before query: 4.568 MB Rows returned: 8

    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 jos_content AS a
    
      LEFT JOIN jos_categories AS c 
      ON c.id = a.catid
    
      LEFT JOIN jos_users AS ua 
      ON ua.id = a.created_by
    
      LEFT JOIN jos_users AS uam 
      ON uam.id = a.modified_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 c.published = 1 
      AND a.state = 1 
      AND (a.catid = 112 OR a.catid IN (
    SELECT sub.id
    
      FROM jos_categories as sub
    
      INNER JOIN jos_categories as this 
      ON sub.lft > this.lft 
      AND sub.rgt < this.rgt
    
      WHERE this.id = 112)) 
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2019-09-23 03:55:49') 
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2019-09-23 03:55:49') 
      AND a.language IN ('en-GB','*')
    
      ORDER BY    
      CASE WHEN a.publish_up = '0000-00-00 00:00:00' THEN a.created ELSE a.publish_up END  DESC ,  a.created   
      LIMIT 10, 8

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	PRIMARY	c	NULL	ALL	PRIMARY	NO INDEX KEY COULD BE USED	NULL	NULL	275	10.00	Using where; Using temporary; Using filesort
    1	PRIMARY	a	NULL	ref	idx_state,idx_catid,idx_language	idx_catid	4	controlpost.c.id	4	6.26	Using index condition; Using where
    1	PRIMARY	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	Using where
    1	PRIMARY	uam	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.modified_by	1	100.00	Using where
    1	PRIMARY	parent	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.c.parent_id	1	100.00	Using where
    1	PRIMARY	v	NULL	ALL	PRIMARY	NO INDEX KEY COULD BE USED	NULL	NULL	1	100.00	Using where; Using join buffer (Block Nested Loop)
    2	SUBQUERY	this	NULL	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	NULL
    2	SUBQUERY	sub	NULL	range	PRIMARY,idx_left_right	idx_left_right	4	NULL	27	33.33	Using where; Using index

    Profile

    Status	Duration
    starting	0.15 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
    checking permissions	0.00 ms
    Opening tables	0.03 ms
    init	0.11 ms
    System lock	0.01 ms
    optimizing	0.02 ms
    statistics	0.08 ms
    preparing	0.05 ms
    Creating tmp table	0.07 ms
    Sorting result	0.01 ms
    optimizing	0.01 ms
    statistics	0.06 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.12 ms
    executing	0.00 ms
    Sending data	4.89 ms
    Creating sort index	0.19 ms
    end	0.00 ms
    query end	0.01 ms
    removing tmp table	0.03 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    removing tmp table	0.00 ms
    freeing items	0.03 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    17	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
    16	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
    15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/components/com_content/models/articles.php:576
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

18. Query Time: 0.24 ms After last query: 0.31 ms Query memory: 0.036 MB Memory before query: 4.685 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` = 1189 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.03 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.04 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

19. Query Time: 0.19 ms After last query: 0.12 ms Query memory: 0.036 MB Memory before query: 4.705 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` = 278 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

20. Query Time: 0.18 ms After last query: 0.11 ms Query memory: 0.036 MB Memory before query: 4.726 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` = 277 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

21. Query Time: 0.18 ms After last query: 0.10 ms Query memory: 0.036 MB Memory before query: 4.747 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` = 276 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

22. Query Time: 0.17 ms After last query: 0.10 ms Query memory: 0.036 MB Memory before query: 4.767 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` = 275 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

23. Query Time: 0.16 ms After last query: 0.10 ms Query memory: 0.036 MB Memory before query: 4.788 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` = 274 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

24. Query Time: 0.15 ms After last query: 0.09 ms Query memory: 0.036 MB Memory before query: 4.809 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` = 273 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

25. Query Time: 0.16 ms After last query: 0.09 ms Query memory: 0.036 MB Memory before query: 4.829 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` = 272 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.03 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    17	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    16	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
    15	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/models/articles.php:706
    14	ContentModelArticles->getItems()	JROOT/components/com_content/models/category.php:253
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

26. Query Time: 3.39 ms After last query: 0.16 ms Query memory: 0.026 MB Memory before query: 4.902 MB Rows returned: 1

    SELECT COUNT(*)
    
      FROM jos_content AS a
    
      LEFT JOIN jos_categories AS c 
      ON c.id = a.catid
    
      LEFT JOIN jos_users AS ua 
      ON ua.id = a.created_by
    
      LEFT JOIN jos_users AS uam 
      ON uam.id = a.modified_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 c.published = 1 
      AND a.state = 1 
      AND (a.catid = 112 OR a.catid IN (
    SELECT sub.id
    
      FROM jos_categories as sub
    
      INNER JOIN jos_categories as this 
      ON sub.lft > this.lft 
      AND sub.rgt < this.rgt
    
      WHERE this.id = 112)) 
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2019-09-23 03:55:49') 
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2019-09-23 03:55:49') 
      AND a.language IN ('en-GB','*')

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	PRIMARY	c	NULL	ALL	PRIMARY	NO INDEX KEY COULD BE USED	NULL	NULL	275	10.00	Using where
    1	PRIMARY	a	NULL	ref	idx_state,idx_catid,idx_language	idx_catid	4	controlpost.c.id	4	6.26	Using index condition; Using where
    1	PRIMARY	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	Using where; Using index
    1	PRIMARY	uam	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.modified_by	1	100.00	Using where; Using index
    1	PRIMARY	parent	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.c.parent_id	1	100.00	Using where; Using index
    1	PRIMARY	v	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.id	1	100.00	Using where; Using index
    2	SUBQUERY	this	NULL	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	NULL
    2	SUBQUERY	sub	NULL	range	PRIMARY,idx_left_right	idx_left_right	4	NULL	27	33.33	Using where; Using index

    Profile

    Status	Duration
    starting	0.06 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
    checking permissions	0.00 ms
    Opening tables	0.02 ms
    init	0.04 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.07 ms
    preparing	0.02 ms
    optimizing	0.01 ms
    statistics	0.05 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.11 ms
    executing	0.00 ms
    Sending data	2.81 ms
    end	0.01 ms
    query end	0.01 ms
    closing tables	0.01 ms
    freeing items	0.01 ms
    removing tmp table	0.00 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
    17	JDatabaseDriver->loadResult()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:340
    16	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getListCount()	JROOT/libraries/src/MVC/Model/ListModel.php:282
    15	Joomla\CMS\MVC\Model\ListModel->getTotal()	JROOT/libraries/src/MVC/Model/ListModel.php:232
    14	Joomla\CMS\MVC\Model\ListModel->getPagination()	JROOT/components/com_content/models/category.php:265
    13	ContentModelCategory->getItems()	JROOT/libraries/src/MVC/View/HtmlView.php:425
    12	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/libraries/src/MVC/View/CategoryView.php:144
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

27. Query Time: 0.22 ms After last query: 0.16 ms Query memory: 0.035 MB Memory before query: 4.907 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.category' 
      AND `m`.`content_item_id` = 112 
      AND `t`.`published` = 1 
      AND t.access IN (1,1)

    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	controlpost.m.tag_id	1	100.00	Using where

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.04 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	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/Helper/TagsHelper.php:454
    12	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/libraries/src/MVC/View/CategoryView.php:229
    11	Joomla\CMS\MVC\View\CategoryView->commonCategoryDisplay()	JROOT/components/com_content/views/category/view.html.php:75
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

28. Query Time: 0.55 ms After last query: 1.01 ms Query memory: 0.039 MB Memory before query: 5.141 MB Rows returned: 3

    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 `s`
    
      INNER JOIN `jos_categories` AS `c` 
      ON (s.lft < c.lft 
      AND c.lft < s.rgt 
      AND c.language IN ('en-GB','*')) 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 = 99
    
      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	Using filesort
    1	SIMPLE	c	NULL	ALL	cat_idx,idx_access,idx_left_right,idx_language	NO INDEX KEY COULD BE USED	NULL	NULL	275	21.15	Using where

    Profile

    Status	Duration
    starting	0.07 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.02 ms
    init	0.03 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.07 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.22 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 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/Categories/Categories.php:324
    19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
    18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
    17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
    16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
    15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:135
    14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

29. Query Time: 0.59 ms After last query: 0.17 ms Query memory: 0.037 MB Memory before query: 5.163 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 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 (99,0,112)) 
      AND a.access IN (1,1) 
      AND (a.group_id = 0 OR g.access IN (1,1)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1) 
      AND a.language in ('*','en-GB')
    
      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_language	idx_state	1	const	1	100.00	Using index condition; Using where; Using temporary; Using filesort
    1	SIMPLE	l	NULL	eq_ref	idx_langcode	idx_langcode	28	controlpost.a.language	1	100.00	Using where
    1	SIMPLE	uc	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.checked_out	1	100.00	NULL
    1	SIMPLE	ag	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.access	1	100.00	Using where
    1	SIMPLE	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_user_id	1	100.00	Using where
    1	SIMPLE	g	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.group_id	1	100.00	Using where
    1	SIMPLE	fc	NULL	ref	PRIMARY	PRIMARY	4	controlpost.a.id	1	100.00	Using where; Using index; Distinct

    Profile

    Status	Duration
    starting	0.08 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	0.02 ms
    init	0.04 ms
    System lock	0.02 ms
    optimizing	0.02 ms
    statistics	0.09 ms
    preparing	0.02 ms
    Creating tmp table	0.04 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.12 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    removing tmp table	0.02 ms
    query end	0.00 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	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/MVC/Model/BaseDatabaseModel.php:308
    17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
    16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
    15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:135
    14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

30. Query Time: 0.16 ms After last query: 1.62 ms Query memory: 0.025 MB Memory before query: 5.326 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 1189

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.01 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

31. Query Time: 0.24 ms After last query: 0.48 ms Query memory: 0.033 MB Memory before query: 5.380 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=1189 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.03 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.03 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

32. Query Time: 0.54 ms After last query: 0.39 ms Query memory: 0.039 MB Memory before query: 5.394 MB Rows returned: 3

    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 `s`
    
      INNER JOIN `jos_categories` AS `c` 
      ON (s.lft < c.lft 
      AND c.lft < s.rgt 
      AND c.language IN ('en-GB','*')) 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 = 123
    
      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	Using filesort
    1	SIMPLE	c	NULL	ALL	cat_idx,idx_access,idx_left_right,idx_language	NO INDEX KEY COULD BE USED	NULL	NULL	275	21.40	Using where

    Profile

    Status	Duration
    starting	0.06 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.03 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.07 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.24 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 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/Categories/Categories.php:324
    19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
    18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
    17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
    16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
    15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:135
    14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

33. Query Time: 0.52 ms After last query: 0.10 ms Query memory: 0.038 MB Memory before query: 5.406 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 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 (123,0,112)) 
      AND a.access IN (1,1) 
      AND (a.group_id = 0 OR g.access IN (1,1)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1) 
      AND a.language in ('*','en-GB')
    
      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_language	idx_state	1	const	1	100.00	Using index condition; Using where; Using temporary; Using filesort
    1	SIMPLE	l	NULL	eq_ref	idx_langcode	idx_langcode	28	controlpost.a.language	1	100.00	Using where
    1	SIMPLE	uc	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.checked_out	1	100.00	NULL
    1	SIMPLE	ag	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.access	1	100.00	Using where
    1	SIMPLE	ua	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_user_id	1	100.00	Using where
    1	SIMPLE	g	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.group_id	1	100.00	Using where
    1	SIMPLE	fc	NULL	ref	PRIMARY	PRIMARY	4	controlpost.a.id	1	100.00	Using where; Using index; Distinct

    Profile

    Status	Duration
    starting	0.08 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	0.02 ms
    init	0.04 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.09 ms
    preparing	0.02 ms
    Creating tmp table	0.03 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.10 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    removing tmp table	0.02 ms
    query end	0.00 ms
    closing tables	0.01 ms
    freeing items	0.02 ms
    cleaning up	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/MVC/Model/BaseDatabaseModel.php:308
    17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
    16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
    15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:135
    14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
    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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

34. Query Time: 0.13 ms After last query: 0.24 ms Query memory: 0.025 MB Memory before query: 5.418 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 278

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

35. Query Time: 0.21 ms After last query: 0.27 ms Query memory: 0.033 MB Memory before query: 5.440 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=278 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.03 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

36. Query Time: 0.12 ms After last query: 0.43 ms Query memory: 0.025 MB Memory before query: 5.444 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 277

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.00 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

37. Query Time: 0.22 ms After last query: 0.21 ms Query memory: 0.033 MB Memory before query: 5.459 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=277 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.04 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

38. Query Time: 0.12 ms After last query: 0.42 ms Query memory: 0.025 MB Memory before query: 5.464 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 276

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.00 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

39. Query Time: 0.21 ms After last query: 0.23 ms Query memory: 0.033 MB Memory before query: 5.478 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=276 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.03 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

40. Query Time: 0.14 ms After last query: 0.43 ms Query memory: 0.025 MB Memory before query: 5.482 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 275

    Explain

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

    Profile

    Status	Duration
    starting	0.04 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.00 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

41. Query Time: 0.18 ms After last query: 0.22 ms Query memory: 0.033 MB Memory before query: 5.497 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=275 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.01 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

42. Query Time: 0.13 ms After last query: 0.43 ms Query memory: 0.025 MB Memory before query: 5.502 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 274

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

43. Query Time: 0.19 ms After last query: 0.22 ms Query memory: 0.033 MB Memory before query: 5.517 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=274 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.01 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

44. Query Time: 0.11 ms After last query: 0.43 ms Query memory: 0.025 MB Memory before query: 5.521 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 273

    Explain

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

    Profile

    Status	Duration
    starting	0.01 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.00 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

45. Query Time: 0.19 ms After last query: 0.20 ms Query memory: 0.033 MB Memory before query: 5.535 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=273 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.01 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 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/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

46. Query Time: 0.12 ms After last query: 0.40 ms Query memory: 0.025 MB Memory before query: 5.540 MB Rows returned: 1

    SELECT created_by, catid
    
      FROM jos_content
    
      WHERE id = 272

    Explain

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

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    15	JDatabaseDriver->loadObjectList()	JROOT/plugins/attachments/attachments_for_content/attachments_for_content.php:809
    14	AttachmentsPlugin_Com_Content->attachmentsHiddenForParent()	JROOT/plugins/content/attachments/attachments.php:202
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

47. Query Time: 0.18 ms After last query: 0.20 ms Query memory: 0.033 MB Memory before query: 5.554 MB Rows returned: 0

    SELECT a.*, u.name as creator_name
    
      FROM jos_attachments AS a
    
      LEFT JOIN jos_users AS u 
      ON u.id = a.created_by
    
      WHERE a.parent_id=272 
      AND a.state = 1 
      AND a.parent_type='com_content' 
      AND a.parent_entity='article' 
      AND a.access IN (1)
    
      ORDER BY filename

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	a	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	14.29	Using where; Using filesort
    1	SIMPLE	u	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a.created_by	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.01 ms
    preparing	0.01 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    18	JDatabaseDriver->loadObjectList()	JROOT/components/com_attachments/models/attachments.php:436
    17	AttachmentsModelAttachments->getAttachmentsList()	JROOT/components/com_attachments/models/attachments.php:514
    16	AttachmentsModelAttachments->someVisible()	JROOT/components/com_attachments/controllers/attachments.php:98
    15	AttachmentsControllerAttachments->displayString()	JROOT/plugins/attachments/attachments_plugin_framework/attachments_plugin.php:911
    14	AttachmentsPlugin->insertAttachmentsList()	JROOT/plugins/content/attachments/attachments.php:218
    13	plgContentAttachments->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/category/view.html.php:113
    10	ContentViewCategory->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
    9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
    8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
    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:196
    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.]

    ---

48. Query Time: 1.14 ms After last query: 3.72 ms Query memory: 0.022 MB Memory before query: 5.615 MB Rows returned: 4

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

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_menu	NULL	ref	idx_client_id_parent_id_alias_language	idx_client_id_parent_id_alias_language	1	const	906	1.00	Using where

    Profile

    Status	Duration
    starting	0.03 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.03 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.95 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.02 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    9	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/Multilanguage.php:107
    8	Joomla\CMS\Language\Multilanguage::getSiteHomePages()	JROOT/plugins/system/languagefilter/languagefilter.php:751
    7	PlgSystemLanguageFilter->onAfterDispatch()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/SiteApplication.php:199
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
    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.]

    ---

49. Query Time: 0.27 ms After last query: 0.20 ms Query memory: 0.023 MB Memory before query: 5.692 MB Rows returned: 3

    SELECT `c2`.`language`,`c2`.`id`
    
      FROM `jos_menu` AS `c`
    
      INNER JOIN `jos_associations` AS `a` 
      ON a.id = c.`id` 
      AND a.context='com_menus.item'
    
      INNER JOIN `jos_associations` AS `a2` 
      ON `a`.`key` = `a2`.`key`
    
      INNER JOIN `jos_menu` AS `c2` 
      ON a2.id = c2.`id`
    
      WHERE c.id = 846

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	c	NULL	const	PRIMARY	PRIMARY	4	const	1	100.00	Using index
    1	SIMPLE	a	NULL	const	PRIMARY,idx_key	PRIMARY	206	const,const	1	100.00	NULL
    1	SIMPLE	a2	NULL	ref	idx_key	idx_key	128	const	3	100.00	Using index
    1	SIMPLE	c2	NULL	eq_ref	PRIMARY	PRIMARY	4	controlpost.a2.id	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.04 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.02 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.07 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.03 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	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/Language/Associations.php:115
    9	Joomla\CMS\Language\Associations::getAssociations()	JROOT/administrator/components/com_menus/helpers/menus.php:321
    8	MenusHelper::getAssociations()	JROOT/plugins/system/languagefilter/languagefilter.php:768
    7	PlgSystemLanguageFilter->onAfterDispatch()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/SiteApplication.php:199
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
    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.]

    ---

50. Query Time: 0.26 ms After last query: 0.18 ms Query memory: 0.023 MB Memory before query: 5.701 MB Rows returned: 3

    SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id`
    
      FROM `jos_categories` AS `c`
    
      INNER JOIN `jos_associations` AS `a` 
      ON a.id = c.`id` 
      AND a.context='com_categories.item'
    
      INNER JOIN `jos_associations` AS `a2` 
      ON `a`.`key` = `a2`.`key`
    
      INNER JOIN `jos_categories` AS `c2` 
      ON a2.id = c2.`id` 
      AND c2.extension = 'com_content'
    
      WHERE c.id = 112 
      AND c.extension = 'com_content'

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	c	NULL	const	PRIMARY,cat_idx	PRIMARY	4	const	1	100.00	NULL
    1	SIMPLE	a	NULL	const	PRIMARY,idx_key	PRIMARY	206	const,const	1	100.00	NULL
    1	SIMPLE	a2	NULL	ref	idx_key	idx_key	128	const	3	100.00	Using index
    1	SIMPLE	c2	NULL	eq_ref	PRIMARY,cat_idx	PRIMARY	4	controlpost.a2.id	1	54.55	Using where

    Profile

    Status	Duration
    starting	0.04 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.02 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.07 ms
    preparing	0.01 ms
    executing	0.00 ms
    Sending data	0.02 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    13	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    12	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/Associations.php:115
    11	Joomla\CMS\Language\Associations::getAssociations()	JROOT/administrator/components/com_categories/helpers/categories.php:113
    10	CategoriesHelper::getAssociations()	JROOT/administrator/components/com_categories/helpers/association.php:44
    9	CategoryHelperAssociation::getCategoryAssociations()	JROOT/components/com_content/helpers/association.php:91
    8	ContentHelperAssociation::getAssociations()	JROOT/plugins/system/languagefilter/languagefilter.php:783
    7	PlgSystemLanguageFilter->onAfterDispatch()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/SiteApplication.php:199
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
    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.]

    ---

51. Query Time: 0.13 ms After last query: 0.05 ms Query memory: 0.023 MB Memory before query: 5.707 MB Rows returned: 1

    SELECT `published`
    
      FROM `jos_categories`
    
      WHERE access IN (1,1) 
      AND `id` = 390

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_categories	NULL	const	PRIMARY,idx_access	PRIMARY	4	const	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
    11	JDatabaseDriver->loadResult()	JROOT/administrator/components/com_categories/helpers/categories.php:132
    10	CategoriesHelper::getAssociations()	JROOT/administrator/components/com_categories/helpers/association.php:44
    9	CategoryHelperAssociation::getCategoryAssociations()	JROOT/components/com_content/helpers/association.php:91
    8	ContentHelperAssociation::getAssociations()	JROOT/plugins/system/languagefilter/languagefilter.php:783
    7	PlgSystemLanguageFilter->onAfterDispatch()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/SiteApplication.php:199
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
    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.]

    ---

52. Query Time: 0.11 ms After last query: 0.03 ms Query memory: 0.023 MB Memory before query: 5.713 MB Rows returned: 1

    SELECT `published`
    
      FROM `jos_categories`
    
      WHERE access IN (1,1) 
      AND `id` = 481

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_categories	NULL	const	PRIMARY,idx_access	PRIMARY	4	const	1	100.00	NULL

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.01 ms
    statistics	0.02 ms
    preparing	0.00 ms
    executing	0.00 ms
    Sending data	0.00 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
    11	JDatabaseDriver->loadResult()	JROOT/administrator/components/com_categories/helpers/categories.php:132
    10	CategoriesHelper::getAssociations()	JROOT/administrator/components/com_categories/helpers/association.php:44
    9	CategoryHelperAssociation::getCategoryAssociations()	JROOT/components/com_content/helpers/association.php:91
    8	ContentHelperAssociation::getAssociations()	JROOT/plugins/system/languagefilter/languagefilter.php:783
    7	PlgSystemLanguageFilter->onAfterDispatch()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/SiteApplication.php:199
    3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
    2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
    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.]

    ---

53. Query Time: 1.57 ms After last query: 0.42 ms Query memory: 0.027 MB Memory before query: 5.759 MB Rows returned: 6

    SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid
    
      FROM jos_modules AS m
    
      LEFT JOIN jos_modules_menu AS mm 
      ON mm.moduleid = m.id
    
      LEFT JOIN jos_extensions AS e 
      ON e.element = m.module 
      AND e.client_id = m.client_id
    
      WHERE m.published = 1 
      AND e.enabled = 1 
      AND (m.publish_up = '0000-00-00 00:00:00' OR m.publish_up <= '2019-09-23 03:55:49') 
      AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2019-09-23 03:55:49') 
      AND m.access IN (1,1) 
      AND m.client_id = 0 
      AND (mm.menuid = 846 OR mm.menuid <= 0) 
      AND m.language IN ('en-GB','*')
    
      ORDER BY m.position, m.ordering

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	m	NULL	range	PRIMARY,published,newsfeeds,idx_language	published	6	NULL	244	0.58	Using index condition; Using where; Using filesort
    1	SIMPLE	e	NULL	ref	element_clientid,element_folder_clientid	element_clientid	403	controlpost.m.module,const	1	10.00	Using index condition; Using where
    1	SIMPLE	mm	NULL	ref	PRIMARY	PRIMARY	4	controlpost.m.id	6	40.00	Using where; Using index

    Profile

    Status	Duration
    starting	0.05 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.03 ms
    System lock	0.01 ms
    optimizing	0.01 ms
    statistics	0.08 ms
    preparing	0.02 ms
    Sorting result	0.00 ms
    executing	0.00 ms
    Sending data	0.01 ms
    Creating sort index	1.25 ms
    end	0.00 ms
    query end	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
    15	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    14	JDatabaseDriver->loadObjectList()	Same as call in the line below.
    13	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    12	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Helper/ModuleHelper.php:432
    11	Joomla\CMS\Helper\ModuleHelper::getModuleList()	JROOT/libraries/src/Helper/ModuleHelper.php:362
    10	Joomla\CMS\Helper\ModuleHelper::load()	JROOT/libraries/src/Helper/ModuleHelper.php:87
    9	Joomla\CMS\Helper\ModuleHelper::getModules()	JROOT/libraries/src/Document/HtmlDocument.php:581
    8	Joomla\CMS\Document\HtmlDocument->countModules()	JROOT/templates/controlpost/index.php:184
    7	require JROOT/templates/controlpost/index.php	JROOT/libraries/src/Document/HtmlDocument.php:658
    6	Joomla\CMS\Document\HtmlDocument->_loadTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:720
    5	Joomla\CMS\Document\HtmlDocument->_fetchTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:535
    4	Joomla\CMS\Document\HtmlDocument->parse()	JROOT/libraries/src/Application/CMSApplication.php:1030
    3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
    2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
    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.]

    ---

54. Query Time: 0.20 ms After last query: 4.08 ms Query memory: 0.030 MB Memory before query: 6.203 MB Rows returned: 98

    SELECT * 
      FROM jos_acymailing_config

    Explain

    id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
    1	SIMPLE	jos_acymailing_config	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	98	100.00	NULL

    Profile

    Status	Duration
    starting	0.02 ms
    checking permissions	0.00 ms
    Opening tables	0.01 ms
    init	0.01 ms
    System lock	0.00 ms
    optimizing	0.00 ms
    statistics	0.01 ms
    preparing	0.02 ms
    executing	0.00 ms
    Sending data	0.04 ms
    end	0.00 ms
    query end	0.00 ms
    closing tables	0.00 ms
    freeing items	0.01 ms
    cleaning up	0.01 ms

    Call Stack

    #	Caller	File and line number
    12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
    11	JDatabaseDriver->loadObjectList()	JROOT/administrator/components/com_acymailing/classes/cpanel.php:17
    10	cpanelClass->load()	JROOT/administrator/components/com_acymailing/helpers/helper.php:454
    9	acymailing_config()	JROOT/administrator/components/com_acymailing/helpers/helper.php:1128
    8	include_once JROOT/administrator/components/com_acymailing/helpers/helper.php	JROOT/plugins/system/regacymailing/regacymailing.php:139
    7	plgSystemRegacymailing->onAfterRender()	JROOT/libraries/joomla/event/event.php:70
    6	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
    5	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
    4	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:1050
    3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
    2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
    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.]

    ---