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M4ALL

Measures of Central Tendency

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Interactive Exercises
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Welcome

Analysing data is one of the key aspects of Data Science. We often want to find ways of representing the average of a data set. Here we explore such ways know as methods of central tendency

© 2020 Maths Figured Out - in partnership with Plymouth University. All rights reserved.

Joomla! Debug Console

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Profile Information

Time

Memory

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Time: 176.46 ms / 221.28 ms Memory: 2.650 MB / 3.53 MB Application: afterInitialise
Time: 28.62 ms / 249.90 ms Memory: 0.393 MB / 3.93 MB Application: afterRoute
Time: 7.30 ms / 257.19 ms Memory: 0.115 MB / 4.04 MB Application: beforeRenderComponent com_content
Time: 6.26 ms / 263.46 ms Memory: 0.047 MB / 4.09 MB Application: Before Access::preloadComponents (all components)
Time: 1.30 ms / 264.76 ms Memory: 0.054 MB / 4.14 MB Application: After Access::preloadComponents (all components)
Time: 0.03 ms / 264.79 ms Memory: -0.004 MB / 4.14 MB Application: Before Access::preloadPermissions (com_content)
Time: 1.07 ms / 265.87 ms Memory: 0.143 MB / 4.28 MB Application: After Access::preloadPermissions (com_content)
Time: 0.03 ms / 265.89 ms Memory: -0.011 MB / 4.27 MB Application: Before Access::getAssetRules (id:531 name:com_content.article.215)
Time: 1.02 ms / 266.91 ms Memory: 0.080 MB / 4.35 MB Application: After Access::getAssetRules (id:531 name:com_content.article.215)
Time: 287.78 ms / 554.69 ms Memory: 6.224 MB / 10.58 MB Application: beforeRenderModule mod_m4all (Lesson sections (M4ALL))
Time: 5.75 ms / 560.44 ms Memory: 0.151 MB / 10.73 MB Application: afterRenderModule mod_m4all (Lesson sections (M4ALL))
Time: 2.02 ms / 562.46 ms Memory: 0.012 MB / 10.74 MB Application: beforeRenderModule mod_m4all (Lesson content (M4ALL))
Time: 0.32 ms / 562.78 ms Memory: 0.012 MB / 10.75 MB Application: afterRenderModule mod_m4all (Lesson content (M4ALL))
Time: 15.10 ms / 577.89 ms Memory: 0.107 MB / 10.86 MB Application: afterRenderComponent com_content
Time: 14.42 ms / 592.31 ms Memory: 0.089 MB / 10.95 MB Application: afterDispatch
Time: 10.56 ms / 602.86 ms Memory: 0.053 MB / 11.00 MB Application: beforeRenderModule mod_m4all (Profile main code (M4ALL))
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Time: 0.28 ms / 604.87 ms Memory: 0.006 MB / 11.03 MB Application: afterRenderModule mod_m4all (Profile button (M4ALL))
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Database queries total: 39.32 ms

Memory Usage

11.78 MB (12,350,120 Bytes)

Database Queries

35 Queries Logged 39.32 ms


4 duplicate found!

2 duplicates: #29  #30
2 duplicates: #33  #35
  1. Query Time: 0.99 ms Query memory: 0.023 MB Memory before query: 1.362 MB Rows returned: 0
    SELECT `data`

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    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_sessionconstPRIMARYPRIMARY194const1
    Profile
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    System lock0.02 ms
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    init0.05 ms
    Optimizing0.04 ms
    Statistics0.26 ms
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    Query end0.01 ms
    Commit0.02 ms
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    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.02 ms
    Call Stack
    #CallerFile and line number
    16JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1740
    15JDatabaseDriver->loadResult()JROOT/libraries/joomla/session/storage/database.php:45
    14JSessionStorageDatabase->read()Same as call in the line below.
    13session_start()JROOT/libraries/joomla/session/handler/native.php:260
    12JSessionHandlerNative->doSessionStart()JROOT/libraries/joomla/session/handler/native.php:50
    11JSessionHandlerNative->start()JROOT/libraries/joomla/session/handler/joomla.php:88
    10JSessionHandlerJoomla->start()JROOT/libraries/src/Session/Session.php:660
    9Joomla\CMS\Session\Session->_start()JROOT/libraries/src/Session/Session.php:620
    8Joomla\CMS\Session\Session->start()JROOT/libraries/src/Session/Session.php:498
    7Joomla\CMS\Session\Session->get()JROOT/libraries/src/Session/Session.php:455
    6Joomla\CMS\Session\Session->isNew()JROOT/libraries/src/Application/CMSApplication.php:854
    5Joomla\CMS\Application\CMSApplication->loadSession()JROOT/libraries/src/Application/CMSApplication.php:136
    4Joomla\CMS\Application\CMSApplication->__construct()JROOT/libraries/src/Application/SiteApplication.php:66
    3Joomla\CMS\Application\SiteApplication->__construct()JROOT/libraries/src/Application/CMSApplication.php:414
    2Joomla\CMS\Application\CMSApplication::getInstance()JROOT/libraries/src/Factory.php:140
    1Joomla\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: 0.40 ms After last query: 2.32 ms Query memory: 0.020 MB Memory before query: 1.376 MB Rows returned: 0
    SELECT `session_id`

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    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_sessionconstPRIMARYPRIMARY194const1Using index
    Profile
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    After opening tables0.01 ms
    System lock0.00 ms
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    init0.02 ms
    Optimizing0.01 ms
    Statistics0.04 ms
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    Executing0.01 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.00 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    9JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1740
    8JDatabaseDriver->loadResult()JROOT/libraries/src/Session/MetadataManager.php:74
    7Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()JROOT/libraries/src/Application/CMSApplication.php:154
    6Joomla\CMS\Application\CMSApplication->checkSession()JROOT/libraries/src/Application/CMSApplication.php:856
    5Joomla\CMS\Application\CMSApplication->loadSession()JROOT/libraries/src/Application/CMSApplication.php:136
    4Joomla\CMS\Application\CMSApplication->__construct()JROOT/libraries/src/Application/SiteApplication.php:66
    3Joomla\CMS\Application\SiteApplication->__construct()JROOT/libraries/src/Application/CMSApplication.php:414
    2Joomla\CMS\Application\CMSApplication::getInstance()JROOT/libraries/src/Factory.php:140
    1Joomla\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: 1.12 ms After last query: 0.14 ms Query memory: 0.004 MB Memory before query: 1.381 MB
    INSERT INTO `xu8po_session`
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    Explain
    EXPLAIN not possible on query: INSERT INTO `xu8po_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (X'6361643733336563303631383662396230656263376362373739346666613861', 1, 1745061594, 0, '', 0)
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    After opening tables0.00 ms
    System lock0.00 ms
    table lock0.00 ms
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    Update0.23 ms
    Waiting for query cache lock0.01 ms
    Update0.00 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.60 ms
    Query end0.01 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    8JDatabaseDriverMysqli->execute()JROOT/libraries/src/Session/MetadataManager.php:116
    7Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()JROOT/libraries/src/Application/CMSApplication.php:154
    6Joomla\CMS\Application\CMSApplication->checkSession()JROOT/libraries/src/Application/CMSApplication.php:856
    5Joomla\CMS\Application\CMSApplication->loadSession()JROOT/libraries/src/Application/CMSApplication.php:136
    4Joomla\CMS\Application\CMSApplication->__construct()JROOT/libraries/src/Application/SiteApplication.php:66
    3Joomla\CMS\Application\SiteApplication->__construct()JROOT/libraries/src/Application/CMSApplication.php:414
    2Joomla\CMS\Application\CMSApplication::getInstance()JROOT/libraries/src/Factory.php:140
    1Joomla\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: 1.43 ms After last query: 8.05 ms Query memory: 0.024 MB Memory before query: 1.476 MB Rows returned: 36
    SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`

      FROM `xu8po_extensions`

      WHERE `type` = 'component' 
      AND `state` = 0 
      AND `enabled` = 1
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_extensionsrefextensionextension82const37Using index condition; Using where
    Profile
    StatusDuration
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    checking permissions0.01 ms
    Opening tables0.07 ms
    After opening tables0.02 ms
    System lock0.01 ms
    table lock0.02 ms
    init0.07 ms
    Optimizing0.06 ms
    Statistics0.36 ms
    Preparing0.06 ms
    Executing0.01 ms
    Sending data0.32 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.03 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.02 ms
    Updating status0.04 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    12JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    11JDatabaseDriver->loadObjectList()JROOT/libraries/src/Component/ComponentHelper.php:445
    10Joomla\CMS\Component\ComponentHelper::Joomla\CMS\Component\{closure}()Same as call in the line below.
    9call_user_func_array()JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    8Joomla\CMS\Cache\Controller\CallbackController->get()JROOT/libraries/src/Component/ComponentHelper.php:453
    7Joomla\CMS\Component\ComponentHelper::load()JROOT/libraries/src/Component/ComponentHelper.php:519
    6Joomla\CMS\Component\ComponentHelper::getComponents()JROOT/libraries/src/Component/ComponentHelper.php:44
    5Joomla\CMS\Component\ComponentHelper::getComponent()JROOT/libraries/src/Component/ComponentHelper.php:103
    4Joomla\CMS\Component\ComponentHelper::getParams()JROOT/libraries/src/Application/SiteApplication.php:594
    3Joomla\CMS\Application\SiteApplication->initialiseApp()JROOT/libraries/src/Application/SiteApplication.php:212
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.69 ms After last query: 5.79 ms Query memory: 0.021 MB Memory before query: 1.504 MB Rows returned: 5
    SELECT id, rules

      FROM `xu8po_viewlevels`
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_viewlevelsALLNULLNO INDEX KEY COULD BE USEDNULLNULL5
    Profile
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    Starting0.11 ms
    checking permissions0.01 ms
    Opening tables0.10 ms
    After opening tables0.02 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.03 ms
    Optimizing0.02 ms
    Statistics0.03 ms
    Preparing0.03 ms
    Executing0.02 ms
    Sending data0.10 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.03 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    10JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1506
    9JDatabaseDriver->loadAssocList()JROOT/libraries/src/Access/Access.php:1063
    8Joomla\CMS\Access\Access::getAuthorisedViewLevels()JROOT/libraries/src/User/User.php:458
    7Joomla\CMS\User\User->getAuthorisedViewLevels()JROOT/libraries/src/Plugin/PluginHelper.php:318
    6Joomla\CMS\Plugin\PluginHelper::load()JROOT/libraries/src/Plugin/PluginHelper.php:87
    5Joomla\CMS\Plugin\PluginHelper::getPlugin()JROOT/libraries/src/Plugin/PluginHelper.php:129
    4Joomla\CMS\Plugin\PluginHelper::isEnabled()JROOT/libraries/src/Application/SiteApplication.php:604
    3Joomla\CMS\Application\SiteApplication->initialiseApp()JROOT/libraries/src/Application/SiteApplication.php:212
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.51 ms After last query: 0.19 ms Query memory: 0.021 MB Memory before query: 1.516 MB Rows returned: 2
    SELECT b.id

      FROM xu8po_usergroups AS a

      LEFT JOIN xu8po_usergroups AS b 
      ON b.lft <= a.lft 
      AND b.rgt >= a.rgt

      WHERE a.id = 9
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEaconstPRIMARYPRIMARY4const1
    1SIMPLEbrangeidx_usergroup_nested_set_lookupidx_usergroup_nested_set_lookup4NULL2Using where; Using index
    Profile
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    Opening tables0.03 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.02 ms
    Optimizing0.02 ms
    Statistics0.09 ms
    Preparing0.00 ms
    Unlocking tables0.00 ms
    Preparing0.02 ms
    Executing0.00 ms
    Sending data0.03 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.01 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.04 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.02 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    11JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1550
    10JDatabaseDriver->loadColumn()JROOT/libraries/src/Access/Access.php:980
    9Joomla\CMS\Access\Access::getGroupsByUser()JROOT/libraries/src/Access/Access.php:1095
    8Joomla\CMS\Access\Access::getAuthorisedViewLevels()JROOT/libraries/src/User/User.php:458
    7Joomla\CMS\User\User->getAuthorisedViewLevels()JROOT/libraries/src/Plugin/PluginHelper.php:318
    6Joomla\CMS\Plugin\PluginHelper::load()JROOT/libraries/src/Plugin/PluginHelper.php:87
    5Joomla\CMS\Plugin\PluginHelper::getPlugin()JROOT/libraries/src/Plugin/PluginHelper.php:129
    4Joomla\CMS\Plugin\PluginHelper::isEnabled()JROOT/libraries/src/Application/SiteApplication.php:604
    3Joomla\CMS\Application\SiteApplication->initialiseApp()JROOT/libraries/src/Application/SiteApplication.php:212
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.65 ms After last query: 2.03 ms Query memory: 0.035 MB Memory before query: 1.537 MB Rows returned: 132
    SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id`

      FROM xu8po_extensions

      WHERE enabled = 1 
      AND type = 'plugin' 
      AND state IN (0,1) 
      AND access IN (1,1,5)

      ORDER BY ordering
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_extensionsALLextensionNO INDEX KEY COULD BE USEDNULLNULL254Using where; Using filesort
    Profile
    StatusDuration
    Starting0.21 ms
    checking permissions0.01 ms
    Opening tables0.03 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.07 ms
    Optimizing0.03 ms
    Statistics0.08 ms
    Preparing0.03 ms
    Sorting result0.01 ms
    Executing0.00 ms
    Sending data0.01 ms
    Creating sort index0.91 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.02 ms
    Freeing items0.02 ms
    Updating status0.04 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    11JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    10JDatabaseDriver->loadObjectList()JROOT/libraries/src/Plugin/PluginHelper.php:351
    9Joomla\CMS\Plugin\PluginHelper::Joomla\CMS\Plugin\{closure}()Same as call in the line below.
    8call_user_func_array()JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    7Joomla\CMS\Cache\Controller\CallbackController->get()JROOT/libraries/src/Plugin/PluginHelper.php:356
    6Joomla\CMS\Plugin\PluginHelper::load()JROOT/libraries/src/Plugin/PluginHelper.php:87
    5Joomla\CMS\Plugin\PluginHelper::getPlugin()JROOT/libraries/src/Plugin/PluginHelper.php:129
    4Joomla\CMS\Plugin\PluginHelper::isEnabled()JROOT/libraries/src/Application/SiteApplication.php:604
    3Joomla\CMS\Application\SiteApplication->initialiseApp()JROOT/libraries/src/Application/SiteApplication.php:212
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.31 ms After last query: 109.16 ms Query memory: 0.048 MB Memory before query: 3.561 MB Rows returned: 16
    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 xu8po_menu AS m

      LEFT JOIN xu8po_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
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEmrefidx_client_id_parent_id_alias_languageidx_client_id_parent_id_alias_language1const53Using index condition; Using where; Using filesort
    1SIMPLEeeq_refPRIMARYPRIMARY4mathsfiguredout_db.m.component_id1Using where
    Profile
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    checking permissions0.01 ms
    Opening tables0.11 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.06 ms
    Optimizing0.05 ms
    Statistics0.13 ms
    Preparing0.05 ms
    Sorting result0.02 ms
    Executing0.01 ms
    Sending data0.03 ms
    Creating sort index0.43 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.03 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.05 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    19JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    18JDatabaseDriver->loadObjectList()JROOT/libraries/src/Menu/SiteMenu.php:93
    17Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()Same as call in the line below.
    16call_user_func_array()JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    15Joomla\CMS\Cache\Controller\CallbackController->get()JROOT/libraries/src/Menu/SiteMenu.php:101
    14Joomla\CMS\Menu\SiteMenu->load()JROOT/libraries/src/Menu/AbstractMenu.php:78
    13Joomla\CMS\Menu\AbstractMenu->__construct()JROOT/libraries/src/Menu/SiteMenu.php:62
    12Joomla\CMS\Menu\SiteMenu->__construct()JROOT/libraries/src/Menu/AbstractMenu.php:142
    11Joomla\CMS\Menu\AbstractMenu::getInstance()JROOT/libraries/src/Application/CMSApplication.php:445
    10Joomla\CMS\Application\CMSApplication->getMenu()JROOT/libraries/src/Application/SiteApplication.php:275
    9Joomla\CMS\Application\SiteApplication->getMenu()JROOT/libraries/src/Router/SiteRouter.php:65
    8Joomla\CMS\Router\SiteRouter->__construct()JROOT/libraries/src/Router/Router.php:189
    7Joomla\CMS\Router\Router::getInstance()JROOT/libraries/src/Application/CMSApplication.php:561
    6Joomla\CMS\Application\CMSApplication::getRouter()JROOT/libraries/src/Application/SiteApplication.php:403
    5Joomla\CMS\Application\SiteApplication::getRouter()JROOT/libraries/src/Application/CMSApplication.php:1169
    4Joomla\CMS\Application\CMSApplication->route()JROOT/libraries/src/Application/SiteApplication.php:796
    3Joomla\CMS\Application\SiteApplication->route()JROOT/libraries/src/Application/SiteApplication.php:218
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.08 ms After last query: 10.76 ms Query memory: 0.023 MB Memory before query: 3.784 MB Rows returned: 3
    SELECT id, home, template, s.params

      FROM xu8po_template_styles as s

      LEFT JOIN xu8po_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
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEsrefidx_template,idx_client_id,idx_client_id_homeidx_client_id1const3
    1SIMPLEerefelement_clientid,element_folder_clientid,extensionelement_clientid403mathsfiguredout_db.s.template,const1Using index condition; Using where
    Profile
    StatusDuration
    Starting0.22 ms
    checking permissions0.01 ms
    Opening tables0.07 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.05 ms
    Optimizing0.04 ms
    Statistics0.17 ms
    Preparing0.05 ms
    Executing0.00 ms
    Sending data0.13 ms
    End of update loop0.01 ms
    Query end0.04 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.05 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    16JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    15JDatabaseDriver->loadObjectList()JROOT/libraries/src/Application/SiteApplication.php:486
    14Joomla\CMS\Application\SiteApplication->getTemplate()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ThemeLoader.php:94
    13YOOtheme\Theme\Joomla\ThemeLoader::getTemplate()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ThemeLoader.php:38
    12YOOtheme\Theme\Joomla\ThemeLoader::initTheme()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    11YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    10YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    9YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    8YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    7YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    6JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    5Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/libraries/src/Application/CMSApplication.php:1218
    4Joomla\CMS\Application\CMSApplication->route()JROOT/libraries/src/Application/SiteApplication.php:796
    3Joomla\CMS\Application\SiteApplication->route()JROOT/libraries/src/Application/SiteApplication.php:218
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\CMS\Application\CMSApplication->execute()JROOT/index.php:49
    [Add xdebug.file_link_format directive to your php.ini file to have links for files.]
  10. Query Time: 0.84 ms After last query: 12.41 ms Query memory: 0.022 MB Memory before query: 3.945 MB Rows returned: 1
    SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`

      FROM `xu8po_extensions`

      WHERE `type` = 'library' 
      AND `element` = 'joomla'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_extensionsrefelement_clientid,element_folder_clientid,extensionextension484const,const1Using index condition
    Profile
    StatusDuration
    Starting0.15 ms
    checking permissions0.02 ms
    Opening tables0.03 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.06 ms
    Optimizing0.03 ms
    Statistics0.12 ms
    Preparing0.03 ms
    Executing0.00 ms
    Sending data0.08 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.01 ms
    closing tables0.01 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.09 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    15JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1662
    14JDatabaseDriver->loadObject()JROOT/libraries/src/Helper/LibraryHelper.php:167
    13Joomla\CMS\Helper\LibraryHelper::Joomla\CMS\Helper\{closure}()Same as call in the line below.
    12call_user_func_array()JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    11Joomla\CMS\Cache\Controller\CallbackController->get()JROOT/libraries/src/Helper/LibraryHelper.php:175
    10Joomla\CMS\Helper\LibraryHelper::loadLibrary()JROOT/libraries/src/Helper/LibraryHelper.php:43
    9Joomla\CMS\Helper\LibraryHelper::getLibrary()JROOT/libraries/src/Helper/LibraryHelper.php:90
    8Joomla\CMS\Helper\LibraryHelper::getParams()JROOT/libraries/src/Version.php:321
    7Joomla\CMS\Version->getMediaVersion()JROOT/libraries/src/Factory.php:778
    6Joomla\CMS\Factory::createDocument()JROOT/libraries/src/Factory.php:234
    5Joomla\CMS\Factory::getDocument()JROOT/libraries/src/Application/WebApplication.php:1131
    4Joomla\CMS\Application\WebApplication->loadDocument()JROOT/libraries/src/Application/SiteApplication.php:133
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.00 ms After last query: 0.24 ms Query memory: 0.005 MB Memory before query: 3.936 MB
    UPDATE `xu8po_extensions`

      SET `params` = '{\"mediaversion\":\"d9a12f3fdc4b8f1215bca32d79eaa618\"}'

      WHERE `type` = 'library' 
      AND `element` = 'joomla'
    Explain
    EXPLAIN not possible on query: UPDATE `xu8po_extensions` SET `params` = '{\"mediaversion\":\"d9a12f3fdc4b8f1215bca32d79eaa618\"}' WHERE `type` = 'library' AND `element` = 'joomla'
    Profile
    StatusDuration
    Starting0.05 ms
    checking permissions0.01 ms
    Opening tables0.02 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init for update0.09 ms
    Updating0.13 ms
    End of update loop0.01 ms
    Waiting for query cache lock0.00 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.52 ms
    Query end0.01 ms
    closing tables0.01 ms
    Unlocking tables0.01 ms
    closing tables0.01 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    10JDatabaseDriverMysqli->execute()JROOT/libraries/src/Helper/LibraryHelper.php:117
    9Joomla\CMS\Helper\LibraryHelper::saveParams()JROOT/libraries/src/Version.php:372
    8Joomla\CMS\Version->setMediaVersion()JROOT/libraries/src/Version.php:331
    7Joomla\CMS\Version->getMediaVersion()JROOT/libraries/src/Factory.php:778
    6Joomla\CMS\Factory::createDocument()JROOT/libraries/src/Factory.php:234
    5Joomla\CMS\Factory::getDocument()JROOT/libraries/src/Application/WebApplication.php:1131
    4Joomla\CMS\Application\WebApplication->loadDocument()JROOT/libraries/src/Application/SiteApplication.php:133
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.71 ms After last query: 3.54 ms Query memory: 0.019 MB Memory before query: 4.030 MB Rows returned: 1
    SELECT *

      FROM xu8po_languages

      WHERE published=1

      ORDER BY ordering ASC
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_languagesALLNULLNO INDEX KEY COULD BE USEDNULLNULL1Using where; Using filesort
    Profile
    StatusDuration
    Starting0.16 ms
    checking permissions0.01 ms
    Opening tables0.06 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.04 ms
    Optimizing0.02 ms
    Statistics0.03 ms
    Preparing0.02 ms
    Sorting result0.01 ms
    Executing0.00 ms
    Sending data0.01 ms
    Creating sort index0.12 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    7JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    6JDatabaseDriver->loadObjectList()JROOT/libraries/src/Language/LanguageHelper.php:150
    5Joomla\CMS\Language\LanguageHelper::getLanguages()JROOT/libraries/src/Application/SiteApplication.php:330
    4Joomla\CMS\Application\SiteApplication->getParams()JROOT/libraries/src/Application/SiteApplication.php:138
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.09 ms After last query: 6.71 ms Query memory: 0.027 MB Memory before query: 4.093 MB Rows returned: 36
    SELECT `id`,`name`,`rules`,`parent_id`

      FROM `xu8po_assets`

      WHERE `name` IN ('root.1','com_actionlogs','com_admin','com_ajax','com_akeeba','com_associations','com_cache','com_categories','com_checkin','com_config','com_contact','com_content','com_contenthistory','com_cpanel','com_fields','com_finder','com_installer','com_joomlaquiz','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_regularlabsmanager','com_search','com_tags','com_templates','com_users','com_wrapper')
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_assetsrangeidx_asset_nameidx_asset_name202NULL37Using index condition
    Profile
    StatusDuration
    Starting0.13 ms
    checking permissions0.01 ms
    Opening tables0.08 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.07 ms
    Optimizing0.02 ms
    Statistics0.16 ms
    Preparing0.03 ms
    Executing0.01 ms
    Sending data0.32 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    18JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    17JDatabaseDriver->loadObjectList()JROOT/libraries/src/Access/Access.php:429
    16Joomla\CMS\Access\Access::preloadComponents()JROOT/libraries/src/Access/Access.php:213
    15Joomla\CMS\Access\Access::preload()JROOT/libraries/src/Access/Access.php:531
    14Joomla\CMS\Access\Access::getAssetRules()JROOT/libraries/src/Access/Access.php:183
    13Joomla\CMS\Access\Access::check()JROOT/libraries/src/User/User.php:398
    12Joomla\CMS\User\User->authorise()JROOT/components/com_content/models/article.php:58
    11ContentModelArticle->populateState()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:457
    10Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()JROOT/components/com_content/models/article.php:251
    9ContentModelArticle->hit()JROOT/components/com_content/controller.php:113
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.75 ms After last query: 0.20 ms Query memory: 0.038 MB Memory before query: 4.140 MB Rows returned: 145
    SELECT `id`,`name`,`rules`,`parent_id`

      FROM `xu8po_assets`

      WHERE `name` LIKE 'com_content.%' OR `name` = 'com_content' OR `parent_id` = 0
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_assetsALLidx_asset_name,idx_parent_idNO INDEX KEY COULD BE USEDNULLNULL422Using where
    Profile
    StatusDuration
    Starting0.05 ms
    checking permissions0.00 ms
    Opening tables0.01 ms
    After opening tables0.00 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.02 ms
    Optimizing0.02 ms
    Statistics0.09 ms
    Preparing0.02 ms
    Executing0.00 ms
    Sending data0.32 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    18JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    17JDatabaseDriver->loadObjectList()JROOT/libraries/src/Access/Access.php:359
    16Joomla\CMS\Access\Access::preloadPermissions()JROOT/libraries/src/Access/Access.php:226
    15Joomla\CMS\Access\Access::preload()JROOT/libraries/src/Access/Access.php:540
    14Joomla\CMS\Access\Access::getAssetRules()JROOT/libraries/src/Access/Access.php:183
    13Joomla\CMS\Access\Access::check()JROOT/libraries/src/User/User.php:398
    12Joomla\CMS\User\User->authorise()JROOT/components/com_content/models/article.php:58
    11ContentModelArticle->populateState()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:457
    10Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()JROOT/components/com_content/models/article.php:251
    9ContentModelArticle->hit()JROOT/components/com_content/controller.php:113
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.23 ms After last query: 2.75 ms Query memory: 0.031 MB Memory before query: 4.355 MB Rows returned: 31
    SHOW FULL COLUMNS 
      FROM `xu8po_content`
    Explain
    EXPLAIN not possible on query: SHOW FULL COLUMNS FROM `xu8po_content`
    Profile
    StatusDuration
    Starting0.06 ms
    checking permissions0.01 ms
    closing tables0.00 ms
    checking permissions0.00 ms
    Opening tables0.38 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.01 ms
    Optimizing0.01 ms
    Statistics0.01 ms
    Preparing0.01 ms
    Executing0.00 ms
    Filling schema table0.01 ms
    Opening tables0.08 ms
    After opening tables0.01 ms
    checking permissions0.17 ms
    closing tables0.02 ms
    checking permissions0.01 ms
    Executing0.00 ms
    Sending data0.12 ms
    End of update loop0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Removing tmp table0.11 ms
    closing tables0.01 ms
    Unlocking tables0.00 ms
    closing tables0.00 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.00 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    16JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    15JDatabaseDriver->loadObjectList()JROOT/libraries/joomla/database/driver/mysqli.php:448
    14JDatabaseDriverMysqli->getTableColumns()JROOT/libraries/src/Table/Table.php:253
    13Joomla\CMS\Table\Table->getFields()JROOT/libraries/src/Table/Table.php:172
    12Joomla\CMS\Table\Table->__construct()JROOT/libraries/src/Table/Content.php:39
    11Joomla\CMS\Table\Content->__construct()JROOT/libraries/src/Table/Table.php:320
    10Joomla\CMS\Table\Table::getInstance()JROOT/components/com_content/models/article.php:253
    9ContentModelArticle->hit()JROOT/components/com_content/controller.php:113
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.27 ms After last query: 6.45 ms Query memory: 0.005 MB Memory before query: 4.409 MB
    UPDATE xu8po_content

      SET `hits` = (`hits` + 1)

      WHERE `id` = '215'
    Explain
    EXPLAIN not possible on query: UPDATE xu8po_content SET `hits` = (`hits` + 1) WHERE `id` = '215'
    Profile
    StatusDuration
    Starting0.14 ms
    checking permissions0.01 ms
    Opening tables0.05 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init for update0.14 ms
    Updating0.17 ms
    End of update loop0.01 ms
    Waiting for query cache lock0.01 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.47 ms
    Query end0.01 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.02 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    11JDatabaseDriverMysqli->execute()JROOT/libraries/src/Table/Table.php:1256
    10Joomla\CMS\Table\Table->hit()JROOT/components/com_content/models/article.php:254
    9ContentModelArticle->hit()JROOT/components/com_content/controller.php:113
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.29 ms After last query: 3.98 ms Query memory: 0.024 MB Memory before query: 4.502 MB Rows returned: 1
    SELECT a.id, a.asset_id, a.title, a.alias, a.introtext, a.fulltext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, 
      CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, a.images, a.urls, a.attribs, a.version, a.ordering, a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference,c.title AS category_title, c.alias AS category_alias, c.access AS category_access,u.name AS author,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count

      FROM xu8po_content AS a

      INNER JOIN xu8po_categories AS c 
      on c.id = a.catid

      LEFT JOIN xu8po_users AS u 
      on u.id = a.created_by

      LEFT JOIN xu8po_categories as parent 
      ON parent.id = c.parent_id

      LEFT JOIN xu8po_content_rating AS v 
      ON a.id = v.content_id

      WHERE a.id = 215 
      AND c.published > 0 
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2025-04-19 11:19:54') 
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2025-04-19 11:19:54') 
      AND (a.state = 1 OR a.state =2)
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEaconstPRIMARY,idx_state,idx_catidPRIMARY4const1
    1SIMPLEcconstPRIMARYPRIMARY4const1
    1SIMPLEuconstPRIMARYPRIMARY4const1
    1SIMPLEparentconstPRIMARYPRIMARY4const1
    1SIMPLEvconstPRIMARYPRIMARY4const0Unique row not found
    Profile
    StatusDuration
    Starting0.26 ms
    checking permissions0.01 ms
    Opening tables0.19 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.02 ms
    init0.15 ms
    Optimizing0.11 ms
    Statistics0.23 ms
    Preparing0.01 ms
    Unlocking tables0.01 ms
    Preparing0.02 ms
    Executing0.00 ms
    Sending data0.04 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    14JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1662
    13JDatabaseDriver->loadObject()JROOT/components/com_content/models/article.php:151
    12ContentModelArticle->getItem()JROOT/libraries/src/MVC/View/HtmlView.php:425
    11Joomla\CMS\MVC\View\HtmlView->get()JROOT/components/com_content/views/article/view.html.php:42
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.36 ms After last query: 5.18 ms Query memory: 0.028 MB Memory before query: 4.537 MB Rows returned: 2
    SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,
				c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,
				c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,
				c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
      CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug

      FROM `xu8po_categories` AS `s`

      INNER JOIN `xu8po_categories` AS `c` 
      ON (s.lft <= c.lft 
      AND c.lft < s.rgt) OR (c.lft < s.lft 
      AND s.rgt < c.rgt)

      WHERE (c.extension='com_content' OR c.extension='system') 
      AND c.access IN (1,1,5) 
      AND c.published = 1 
      AND s.id = 9

      ORDER BY c.lft
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEsconstPRIMARY,idx_left_rightPRIMARY4const1
    1SIMPLEcrange|filtercat_idx,idx_access,idx_left_rightcat_idx|idx_left_right207|4NULL7 (26%)Using index condition; Using where; Using filesort; Using rowid filter
    Profile
    StatusDuration
    Starting0.23 ms
    checking permissions0.01 ms
    Opening tables0.04 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.12 ms
    Optimizing0.06 ms
    Statistics0.25 ms
    Preparing0.01 ms
    Unlocking tables0.00 ms
    Preparing0.05 ms
    Sorting result0.03 ms
    Executing0.00 ms
    Sending data0.08 ms
    Creating sort index0.20 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    24JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    23JDatabaseDriver->loadObjectList()JROOT/libraries/src/Categories/Categories.php:324
    22Joomla\CMS\Categories\Categories->_load()JROOT/libraries/src/Categories/Categories.php:184
    21Joomla\CMS\Categories\Categories->get()JROOT/components/com_content/router.php:72
    20ContentRouter->getCategorySegment()Same as call in the line below.
    19call_user_func_array()JROOT/libraries/src/Component/Router/RouterView.php:120
    18Joomla\CMS\Component\Router\RouterView->getPath()JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
    17Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()JROOT/libraries/src/Component/Router/RouterView.php:222
    16Joomla\CMS\Component\Router\RouterView->preprocess()JROOT/libraries/src/Router/SiteRouter.php:676
    15Joomla\CMS\Router\SiteRouter->processBuildRules()JROOT/libraries/src/Router/Router.php:266
    14Joomla\CMS\Router\Router->build()JROOT/libraries/src/Router/SiteRouter.php:155
    13Joomla\CMS\Router\SiteRouter->build()JROOT/libraries/src/Router/Route.php:144
    12Joomla\CMS\Router\Route::link()JROOT/libraries/src/Router/Route.php:93
    11Joomla\CMS\Router\Route::_()JROOT/components/com_content/views/article/view.html.php:71
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.79 ms After last query: 1.58 ms Query memory: 0.022 MB Memory before query: 4.624 MB Rows returned: 1
    SELECT `m`.`tag_id`,`t`.*

      FROM `xu8po_contentitem_tag_map` AS m 

      INNER JOIN `xu8po_tags` AS t  
      ON `m`.`tag_id` = `t`.`id`

      WHERE `m`.`type_alias` = 'com_content.article' 
      AND `m`.`content_item_id` = 215 
      AND `t`.`published` = 1 
      AND t.access IN (1,1,5)
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEtALLPRIMARY,tag_idx,idx_accessNO INDEX KEY COULD BE USEDNULLNULL21Using where
    1SIMPLEmrefidx_tag_typeidx_tag_type4mathsfiguredout_db.t.id3Using index condition; Using where
    Profile
    StatusDuration
    Starting0.09 ms
    checking permissions0.01 ms
    Opening tables0.06 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.05 ms
    Optimizing0.03 ms
    Statistics0.10 ms
    Preparing0.04 ms
    Executing0.01 ms
    Sending data0.21 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.01 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    13JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    12JDatabaseDriver->loadObjectList()JROOT/libraries/src/Helper/TagsHelper.php:454
    11Joomla\CMS\Helper\TagsHelper->getItemTags()JROOT/components/com_content/views/article/view.html.php:184
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 3.22 ms After last query: 133.10 ms Query memory: 0.027 MB Memory before query: 5.987 MB Rows returned: 5
    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 xu8po_fields AS a

      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language

      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out

      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access

      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id

      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id

      LEFT JOIN `xu8po_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 (9,0)) 
      AND a.access IN (1,1,5) 
      AND (a.group_id = 0 OR g.access IN (1,1,5)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)

      ORDER BY a.ordering ASC
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEaALLidx_state,idx_access,idx_contextNO INDEX KEY COULD BE USEDNULLNULL35Using where; Using temporary; Using filesort
    1SIMPLEleq_refidx_langcodeidx_langcode28mathsfiguredout_db.a.language1Using where
    1SIMPLEuceq_refPRIMARYPRIMARY4mathsfiguredout_db.a.checked_out1
    1SIMPLEageq_refPRIMARYPRIMARY4mathsfiguredout_db.a.access1Using where
    1SIMPLEuaeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.created_user_id1Using where
    1SIMPLEgeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.group_id1Using where
    1SIMPLEfcrefPRIMARYPRIMARY4mathsfiguredout_db.a.id1Using where; Using index; Distinct
    Profile
    StatusDuration
    Starting0.32 ms
    checking permissions0.03 ms
    Opening tables0.21 ms
    After opening tables0.06 ms
    System lock0.01 ms
    table lock0.02 ms
    init0.12 ms
    Optimizing0.08 ms
    Statistics0.27 ms
    Preparing0.09 ms
    Creating tmp table0.13 ms
    Sorting result0.04 ms
    Executing0.01 ms
    Sending data1.18 ms
    Creating sort index0.15 ms
    Removing tmp table0.13 ms
    Creating sort index0.02 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.04 ms
    Query end0.02 ms
    Starting cleanup0.00 ms
    Freeing items0.02 ms
    Updating status0.04 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    19JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    18JDatabaseDriver->loadObjectList()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    17Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()JROOT/administrator/components/com_fields/models/fields.php:333
    16FieldsModelFields->_getList()JROOT/libraries/src/MVC/Model/ListModel.php:189
    15Joomla\CMS\MVC\Model\ListModel->getItems()JROOT/administrator/components/com_fields/helpers/fields.php:136
    14FieldsHelper::getFields()JROOT/plugins/system/fields/fields.php:495
    13PlgSystemFields->onContentPrepare()JROOT/libraries/joomla/event/event.php:70
    12JEvent->update()JROOT/libraries/joomla/event/dispatcher.php:160
    11JEventDispatcher->trigger()JROOT/components/com_content/views/article/view.html.php:193
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.68 ms After last query: 6.28 ms Query memory: 0.071 MB Memory before query: 6.116 MB Rows returned: 8
    SELECT `field_id`,`value`

      FROM `xu8po_fields_values`

      WHERE `field_id` IN (42,58,43,59,57) 
      AND `item_id` = '215'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_fields_valuesrefidx_field_id,idx_item_ididx_item_id766const8Using where
    Profile
    StatusDuration
    Starting0.12 ms
    checking permissions0.01 ms
    Opening tables0.05 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.04 ms
    Optimizing0.03 ms
    Statistics0.12 ms
    Preparing0.03 ms
    Executing0.00 ms
    Sending data1.08 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    17JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    16JDatabaseDriver->loadObjectList()JROOT/administrator/components/com_fields/models/field.php:680
    15FieldsModelField->getFieldValues()JROOT/administrator/components/com_fields/helpers/fields.php:158
    14FieldsHelper::getFields()JROOT/plugins/system/fields/fields.php:495
    13PlgSystemFields->onContentPrepare()JROOT/libraries/joomla/event/event.php:70
    12JEvent->update()JROOT/libraries/joomla/event/dispatcher.php:160
    11JEventDispatcher->trigger()JROOT/components/com_content/views/article/view.html.php:193
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.99 ms After last query: 28.17 ms Query memory: 0.031 MB Memory before query: 6.739 MB Rows returned: 56
    SELECT a.id, a.title, a.catid, a.language, 
      CASE WHEN CHAR_LENGTH(a.alias) != 0 THEN CONCAT_WS(':', a.id, a.alias) ELSE a.id END as slug, 
      CASE WHEN CHAR_LENGTH(cc.alias) != 0 THEN CONCAT_WS(':', cc.id, cc.alias) ELSE cc.id END as catslug

      FROM xu8po_content AS a

      LEFT JOIN xu8po_categories AS cc 
      ON cc.id = a.catid

      WHERE a.catid = 9 
      AND a.state = 1 
      AND a.access IN (1,1,5)  
      AND (a.state = 1 OR a.state = -1) 
      AND (publish_up = '0000-00-00 00:00:00' OR publish_up <= '2025-04-19 11:19:54') 
      AND (publish_down = '0000-00-00 00:00:00' OR publish_down >= '2025-04-19 11:19:54')

      ORDER BY a.title
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEaALLidx_access,idx_state,idx_catidNO INDEX KEY COULD BE USEDNULLNULL84Using where; Using filesort
    1SIMPLEccconstPRIMARYPRIMARY4const1
    Profile
    StatusDuration
    Starting0.36 ms
    checking permissions0.01 ms
    Opening tables0.06 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.11 ms
    Optimizing0.10 ms
    Statistics0.21 ms
    Preparing0.07 ms
    Sorting result0.02 ms
    Executing0.01 ms
    Sending data0.02 ms
    Creating sort index0.70 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.01 ms
    Freeing items0.02 ms
    Updating status0.05 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    15JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    14JDatabaseDriver->loadObjectList()JROOT/plugins/content/pagenavigation/pagenavigation.php:161
    13PlgContentPagenavigation->onContentBeforeDisplay()JROOT/libraries/joomla/event/event.php:70
    12JEvent->update()JROOT/libraries/joomla/event/dispatcher.php:160
    11JEventDispatcher->trigger()JROOT/components/com_content/views/article/view.html.php:199
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.28 ms After last query: 5.40 ms Query memory: 0.462 MB Memory before query: 6.757 MB Rows returned: 1
    SELECT custom_data 
      FROM xu8po_extensions 
      WHERE element = 'yootheme' 
      AND folder = 'system' 
      LIMIT 1
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_extensionsrefelement_clientid,element_folder_clientidelement_folder_clientid804const,const1Using index condition
    Profile
    StatusDuration
    Starting0.12 ms
    checking permissions0.01 ms
    Opening tables0.03 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.04 ms
    Optimizing0.03 ms
    Statistics0.12 ms
    Preparing0.04 ms
    Executing0.01 ms
    Sending data0.58 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.01 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.02 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    36JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1465
    35JDatabaseDriver->loadAssoc()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Database.php:39
    34YOOtheme\Joomla\Database->fetchAssoc()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Storage.php:23
    33YOOtheme\Joomla\Storage->__construct()Same as call in the line below.
    32ReflectionClass->newInstanceArgs()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:181
    31YOOtheme\Container\Service->resolveClass()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:154
    30YOOtheme\Container\Service->resolveInstance()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:327
    29YOOtheme\Container->resolve()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:92
    28YOOtheme\Container->get()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:408
    27YOOtheme\Container->resolveDependencies()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:358
    26YOOtheme\Container->resolveArguments()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:179
    25YOOtheme\Container\Service->resolveClass()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:154
    24YOOtheme\Container\Service->resolveInstance()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:327
    23YOOtheme\Container->resolve()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:92
    22YOOtheme\Container->get()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:408
    21YOOtheme\Container->resolveDependencies()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:358
    20YOOtheme\Container->resolveArguments()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:274
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 2.40 ms After last query: 37.64 ms Query memory: 0.037 MB Memory before query: 9.202 MB Rows returned: 2
    SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note

      FROM xu8po_fields AS a

      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language

      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out

      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access

      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id

      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id

      WHERE a.context = 'com_users.user' 
      AND a.access IN (1,1,5) 
      AND (a.group_id = 0 OR g.access IN (1,1,5)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)

      ORDER BY a.ordering ASC
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEarefidx_state,idx_access,idx_contextidx_context766const3Using where; Using temporary; Using filesort
    1SIMPLEleq_refidx_langcodeidx_langcode28mathsfiguredout_db.a.language1Using where
    1SIMPLEuceq_refPRIMARYPRIMARY4mathsfiguredout_db.a.checked_out1
    1SIMPLEageq_refPRIMARYPRIMARY4mathsfiguredout_db.a.access1Using where
    1SIMPLEuaeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.created_user_id1Using where
    1SIMPLEgeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.group_id1Using where
    Profile
    StatusDuration
    Starting0.28 ms
    checking permissions0.01 ms
    Opening tables0.10 ms
    After opening tables0.02 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.11 ms
    Optimizing0.08 ms
    Statistics0.23 ms
    Preparing0.13 ms
    Creating tmp table0.12 ms
    Sorting result0.03 ms
    Executing0.01 ms
    Sending data0.71 ms
    Creating sort index0.14 ms
    Removing tmp table0.12 ms
    Creating sort index0.02 ms
    End of update loop0.01 ms
    Query end0.01 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.01 ms
    Unlocking tables0.00 ms
    closing tables0.03 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.02 ms
    Updating status0.04 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    48JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    47JDatabaseDriver->loadObjectList()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    46Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()JROOT/administrator/components/com_fields/models/fields.php:333
    45FieldsModelFields->_getList()JROOT/libraries/src/MVC/Model/ListModel.php:189
    44Joomla\CMS\MVC\Model\ListModel->getItems()JROOT/administrator/components/com_fields/helpers/fields.php:136
    43FieldsHelper::getFields()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-fields/src/SourceListener.php:32
    42YOOtheme\Builder\Joomla\Fields\SourceListener::initSource()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    41YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    40YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    39YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    38YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/utils/src/Event.php:47
    37YOOtheme\Event::emit()JROOT/templates/yootheme/vendor/yootheme/builder-source/bootstrap.php:53
    36YOOtheme\Application::YOOtheme\Builder\{closure}()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    35YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:154
    34YOOtheme\Container\Service->resolveInstance()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:327
    33YOOtheme\Container->resolve()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:92
    32YOOtheme\Container->get()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:50
    31YOOtheme\Container->__invoke()JROOT/templates/yootheme/vendor/yootheme/application/functions.php:24
    30YOOtheme\app()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:101
    29YOOtheme\Builder\Source\SourceTransform->querySource()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:57
    28YOOtheme\Builder\Source\SourceTransform->__invoke()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:254
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 2.38 ms After last query: 2.52 ms Query memory: 0.064 MB Memory before query: 9.306 MB Rows returned: 21
    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 xu8po_fields AS a

      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language

      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out

      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access

      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id

      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id

      WHERE a.context = 'com_content.article' 
      AND a.access IN (1,1,5) 
      AND (a.group_id = 0 OR g.access IN (1,1,5)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)

      ORDER BY a.ordering ASC
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEaALLidx_state,idx_access,idx_contextNO INDEX KEY COULD BE USEDNULLNULL35Using where; Using temporary; Using filesort
    1SIMPLEleq_refidx_langcodeidx_langcode28mathsfiguredout_db.a.language1Using where
    1SIMPLEuceq_refPRIMARYPRIMARY4mathsfiguredout_db.a.checked_out1
    1SIMPLEageq_refPRIMARYPRIMARY4mathsfiguredout_db.a.access1Using where
    1SIMPLEuaeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.created_user_id1Using where
    1SIMPLEgeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.group_id1Using where
    Profile
    StatusDuration
    Starting0.15 ms
    checking permissions0.02 ms
    Opening tables0.07 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.06 ms
    Optimizing0.04 ms
    Statistics0.12 ms
    Preparing0.04 ms
    Creating tmp table0.07 ms
    Sorting result0.02 ms
    Executing0.00 ms
    Sending data1.20 ms
    Creating sort index0.26 ms
    Removing tmp table0.11 ms
    Creating sort index0.01 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    48JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    47JDatabaseDriver->loadObjectList()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    46Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()JROOT/administrator/components/com_fields/models/fields.php:333
    45FieldsModelFields->_getList()JROOT/libraries/src/MVC/Model/ListModel.php:189
    44Joomla\CMS\MVC\Model\ListModel->getItems()JROOT/administrator/components/com_fields/helpers/fields.php:136
    43FieldsHelper::getFields()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-fields/src/SourceListener.php:32
    42YOOtheme\Builder\Joomla\Fields\SourceListener::initSource()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    41YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    40YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    39YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    38YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/utils/src/Event.php:47
    37YOOtheme\Event::emit()JROOT/templates/yootheme/vendor/yootheme/builder-source/bootstrap.php:53
    36YOOtheme\Application::YOOtheme\Builder\{closure}()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    35YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:154
    34YOOtheme\Container\Service->resolveInstance()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:327
    33YOOtheme\Container->resolve()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:92
    32YOOtheme\Container->get()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:50
    31YOOtheme\Container->__invoke()JROOT/templates/yootheme/vendor/yootheme/application/functions.php:24
    30YOOtheme\app()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:101
    29YOOtheme\Builder\Source\SourceTransform->querySource()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:57
    28YOOtheme\Builder\Source\SourceTransform->__invoke()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:254
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.30 ms After last query: 0.97 ms Query memory: 0.036 MB Memory before query: 9.507 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 xu8po_fields AS a

      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language

      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out

      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access

      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id

      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id

      WHERE a.context = 'com_content.categories' 
      AND a.access IN (1,1,5) 
      AND (a.group_id = 0 OR g.access IN (1,1,5)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)

      ORDER BY a.ordering ASC
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEarefidx_state,idx_access,idx_contextidx_context766const2Using where; Using temporary; Using filesort
    1SIMPLEleq_refidx_langcodeidx_langcode28mathsfiguredout_db.a.language1Using where
    1SIMPLEuceq_refPRIMARYPRIMARY4mathsfiguredout_db.a.checked_out1
    1SIMPLEageq_refPRIMARYPRIMARY4mathsfiguredout_db.a.access1Using where
    1SIMPLEuaeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.created_user_id1Using where
    1SIMPLEgeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.group_id1Using where
    Profile
    StatusDuration
    Starting0.14 ms
    checking permissions0.01 ms
    Opening tables0.06 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.06 ms
    Optimizing0.04 ms
    Statistics0.14 ms
    Preparing0.05 ms
    Creating tmp table0.06 ms
    Sorting result0.01 ms
    Executing0.00 ms
    Sending data0.42 ms
    Creating sort index0.03 ms
    Removing tmp table0.07 ms
    Creating sort index0.01 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    48JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    47JDatabaseDriver->loadObjectList()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    46Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()JROOT/administrator/components/com_fields/models/fields.php:333
    45FieldsModelFields->_getList()JROOT/libraries/src/MVC/Model/ListModel.php:189
    44Joomla\CMS\MVC\Model\ListModel->getItems()JROOT/administrator/components/com_fields/helpers/fields.php:136
    43FieldsHelper::getFields()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-fields/src/SourceListener.php:32
    42YOOtheme\Builder\Joomla\Fields\SourceListener::initSource()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    41YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    40YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    39YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    38YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/utils/src/Event.php:47
    37YOOtheme\Event::emit()JROOT/templates/yootheme/vendor/yootheme/builder-source/bootstrap.php:53
    36YOOtheme\Application::YOOtheme\Builder\{closure}()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    35YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:154
    34YOOtheme\Container\Service->resolveInstance()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:327
    33YOOtheme\Container->resolve()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:92
    32YOOtheme\Container->get()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:50
    31YOOtheme\Container->__invoke()JROOT/templates/yootheme/vendor/yootheme/application/functions.php:24
    30YOOtheme\app()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:101
    29YOOtheme\Builder\Source\SourceTransform->querySource()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:57
    28YOOtheme\Builder\Source\SourceTransform->__invoke()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:254
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.15 ms After last query: 0.16 ms Query memory: 0.036 MB Memory before query: 9.528 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 xu8po_fields AS a

      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language

      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out

      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access

      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id

      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id

      WHERE a.context = 'com_contact.contact' 
      AND a.access IN (1,1,5) 
      AND (a.group_id = 0 OR g.access IN (1,1,5)) 
      AND a.state = 1 
      AND (a.group_id = 0 OR g.state = 1)

      ORDER BY a.ordering ASC
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEarefidx_state,idx_access,idx_contextidx_context766const1Using where; Using temporary; Using filesort
    1SIMPLEleq_refidx_langcodeidx_langcode28mathsfiguredout_db.a.language1Using where
    1SIMPLEuceq_refPRIMARYPRIMARY4mathsfiguredout_db.a.checked_out1
    1SIMPLEageq_refPRIMARYPRIMARY4mathsfiguredout_db.a.access1Using where
    1SIMPLEuaeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.created_user_id1Using where
    1SIMPLEgeq_refPRIMARYPRIMARY4mathsfiguredout_db.a.group_id1Using where
    Profile
    StatusDuration
    Starting0.11 ms
    checking permissions0.01 ms
    Opening tables0.05 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.02 ms
    init0.05 ms
    Optimizing0.05 ms
    Statistics0.11 ms
    Preparing0.04 ms
    Creating tmp table0.06 ms
    Sorting result0.01 ms
    Executing0.00 ms
    Sending data0.34 ms
    Creating sort index0.05 ms
    Removing tmp table0.07 ms
    Creating sort index0.01 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    48JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    47JDatabaseDriver->loadObjectList()JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
    46Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()JROOT/administrator/components/com_fields/models/fields.php:333
    45FieldsModelFields->_getList()JROOT/libraries/src/MVC/Model/ListModel.php:189
    44Joomla\CMS\MVC\Model\ListModel->getItems()JROOT/administrator/components/com_fields/helpers/fields.php:136
    43FieldsHelper::getFields()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-fields/src/SourceListener.php:32
    42YOOtheme\Builder\Joomla\Fields\SourceListener::initSource()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    41YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    40YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    39YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    38YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/utils/src/Event.php:47
    37YOOtheme\Event::emit()JROOT/templates/yootheme/vendor/yootheme/builder-source/bootstrap.php:53
    36YOOtheme\Application::YOOtheme\Builder\{closure}()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    35YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/container/src/Container/Service.php:154
    34YOOtheme\Container\Service->resolveInstance()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:327
    33YOOtheme\Container->resolve()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:92
    32YOOtheme\Container->get()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:50
    31YOOtheme\Container->__invoke()JROOT/templates/yootheme/vendor/yootheme/application/functions.php:24
    30YOOtheme\app()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:101
    29YOOtheme\Builder\Source\SourceTransform->querySource()JROOT/templates/yootheme/vendor/yootheme/builder-source/src/Source/SourceTransform.php:57
    28YOOtheme\Builder\Source\SourceTransform->__invoke()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:254
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 1.17 ms After last query: 31.31 ms Query memory: 0.033 MB Memory before query: 10.538 MB Rows returned: 7
    SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid

      FROM xu8po_modules AS m

      LEFT JOIN xu8po_modules_menu AS mm 
      ON mm.moduleid = m.id

      LEFT JOIN xu8po_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 <= '2025-04-19 11:19:54') 
      AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2025-04-19 11:19:54') 
      AND m.access IN (1,1,5) 
      AND m.client_id = 0 
      AND (mm.menuid = 101 OR mm.menuid <= 0)

      ORDER BY m.position, m.ordering
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEmrefPRIMARY,published,newsfeedspublished1const10Using index condition; Using where; Using filesort
    1SIMPLEmmrefPRIMARYPRIMARY4mathsfiguredout_db.m.id1Using where; Using index
    1SIMPLEerefelement_clientid,element_folder_clientidelement_clientid403mathsfiguredout_db.m.module,const1Using index condition; Using where
    Profile
    StatusDuration
    Starting0.18 ms
    checking permissions0.01 ms
    Opening tables0.07 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.07 ms
    Optimizing0.05 ms
    Statistics0.12 ms
    Preparing0.06 ms
    Sorting result0.02 ms
    Executing0.00 ms
    Sending data0.01 ms
    Creating sort index0.22 ms
    End of update loop0.01 ms
    Query end0.00 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.09 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    35JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    34JDatabaseDriver->loadObjectList()Same as call in the line below.
    33call_user_func_array()JROOT/libraries/src/Cache/Controller/CallbackController.php:173
    32Joomla\CMS\Cache\Controller\CallbackController->get()JROOT/libraries/src/Helper/ModuleHelper.php:441
    31Joomla\CMS\Helper\ModuleHelper::getModuleList()JROOT/libraries/src/Helper/ModuleHelper.php:371
    30Joomla\CMS\Helper\ModuleHelper::load()Same as call in the line below.
    29ReflectionMethod->invoke()JROOT/templates/yootheme/vendor/yootheme/builder-joomla/elements/module/element.php:16
    28YOOtheme\Configuration\Resolver->YOOtheme\{closure}()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:289
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.53 ms After last query: 3.73 ms Query memory: 0.034 MB Memory before query: 10.607 MB Rows returned: 1
    Duplicate queries: #30
    SELECT *

      FROM xu8po_content

      WHERE `id` = '215'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_contentconstPRIMARYPRIMARY4const1
    Profile
    StatusDuration
    Starting0.08 ms
    checking permissions0.01 ms
    Opening tables0.03 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.04 ms
    Optimizing0.02 ms
    Statistics0.07 ms
    Preparing0.00 ms
    Unlocking tables0.01 ms
    Preparing0.02 ms
    Executing0.01 ms
    Sending data0.03 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    37JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1465
    36JDatabaseDriver->loadAssoc()JROOT/libraries/src/Table/Table.php:739
    35Joomla\CMS\Table\Table->load()JROOT/modules/mod_m4all/helper.php:255
    34ModM4AllHelper::getArticle()JROOT/modules/mod_m4all/helper.php:232
    33ModM4AllHelper::getCurrentArticle()JROOT/modules/mod_m4all/helper.php:168
    32ModM4AllHelper::getCurrentLessonData()JROOT/modules/mod_m4all/tmpl/lessonSections.php:4
    31require JROOT/modules/mod_m4all/tmpl/lessonSections.phpJROOT/modules/mod_m4all/mod_m4all.php:9
    30include JROOT/modules/mod_m4all/mod_m4all.phpJROOT/libraries/src/Helper/ModuleHelper.php:200
    29Joomla\CMS\Helper\ModuleHelper::renderModule()JROOT/templates/yootheme/vendor/yootheme/builder-joomla/elements/module/element.php:35
    28YOOtheme\Configuration\Resolver->YOOtheme\{closure}()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:289
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.31 ms After last query: 0.24 ms Query memory: 0.034 MB Memory before query: 10.631 MB Rows returned: 1
    Duplicate queries: #29
    SELECT *

      FROM xu8po_content

      WHERE `id` = '215'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_contentconstPRIMARYPRIMARY4const1
    Profile
    StatusDuration
    Starting0.02 ms
    checking permissions0.00 ms
    Opening tables0.01 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.00 ms
    init0.04 ms
    Optimizing0.01 ms
    Statistics0.05 ms
    Preparing0.00 ms
    Unlocking tables0.00 ms
    Preparing0.01 ms
    Executing0.00 ms
    Sending data0.02 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.00 ms
    Updating status0.02 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    37JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1465
    36JDatabaseDriver->loadAssoc()JROOT/libraries/src/Table/Table.php:739
    35Joomla\CMS\Table\Table->load()JROOT/modules/mod_m4all/helper.php:255
    34ModM4AllHelper::getArticle()JROOT/modules/mod_m4all/helper.php:175
    33ModM4AllHelper::getLessonData()JROOT/modules/mod_m4all/helper.php:169
    32ModM4AllHelper::getCurrentLessonData()JROOT/modules/mod_m4all/tmpl/lessonSections.php:4
    31require JROOT/modules/mod_m4all/tmpl/lessonSections.phpJROOT/modules/mod_m4all/mod_m4all.php:9
    30include JROOT/modules/mod_m4all/mod_m4all.phpJROOT/libraries/src/Helper/ModuleHelper.php:200
    29Joomla\CMS\Helper\ModuleHelper::renderModule()JROOT/templates/yootheme/vendor/yootheme/builder-joomla/elements/module/element.php:35
    28YOOtheme\Configuration\Resolver->YOOtheme\{closure}()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:289
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.32 ms After last query: 0.40 ms Query memory: 0.034 MB Memory before query: 10.680 MB Rows returned: 0
    SELECT `field_id`,`value`

      FROM `xu8po_fields_values`

      WHERE `field_id` IN (60,61) 
      AND `item_id` = '0'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_fields_valuesrefidx_field_id,idx_item_ididx_item_id766const1Using where
    Profile
    StatusDuration
    Starting0.04 ms
    checking permissions0.00 ms
    Opening tables0.01 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.00 ms
    init0.02 ms
    Optimizing0.02 ms
    Statistics0.08 ms
    Preparing0.02 ms
    Executing0.00 ms
    Sending data0.02 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.00 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.00 ms
    Updating status0.02 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    40JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    39JDatabaseDriver->loadObjectList()JROOT/administrator/components/com_fields/models/field.php:680
    38FieldsModelField->getFieldValues()JROOT/administrator/components/com_fields/helpers/fields.php:158
    37FieldsHelper::getFields()JROOT/modules/mod_m4all/helper.php:128
    36ModM4AllHelper::getUserFieldValue()JROOT/modules/mod_m4all/helper.php:68
    35ModM4AllHelper::getUserCourseStreams()JROOT/modules/mod_m4all/helper.php:107
    34ModM4AllHelper::userAjax()JROOT/modules/mod_m4all/helper.php:179
    33ModM4AllHelper::getLessonData()JROOT/modules/mod_m4all/helper.php:169
    32ModM4AllHelper::getCurrentLessonData()JROOT/modules/mod_m4all/tmpl/lessonSections.php:4
    31require JROOT/modules/mod_m4all/tmpl/lessonSections.phpJROOT/modules/mod_m4all/mod_m4all.php:9
    30include JROOT/modules/mod_m4all/mod_m4all.phpJROOT/libraries/src/Helper/ModuleHelper.php:200
    29Joomla\CMS\Helper\ModuleHelper::renderModule()JROOT/templates/yootheme/vendor/yootheme/builder-joomla/elements/module/element.php:35
    28YOOtheme\Configuration\Resolver->YOOtheme\{closure}()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:289
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.27 ms After last query: 0.13 ms Query memory: 0.033 MB Memory before query: 10.698 MB Rows returned: 0
    SELECT *

      FROM xu8po_lesson_progress

      WHERE user_id = 0 
      AND lesson_id = 215
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLENULLNULLNULLNO INDEX KEY COULD BE USEDNULLNULLNULLImpossible WHERE noticed after reading const tables
    Profile
    StatusDuration
    Starting0.03 ms
    checking permissions0.00 ms
    Opening tables0.01 ms
    After opening tables0.00 ms
    System lock0.00 ms
    table lock0.00 ms
    init0.03 ms
    Optimizing0.01 ms
    Statistics0.04 ms
    Preparing0.00 ms
    Executing0.01 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.00 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.00 ms
    Updating status0.02 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    36JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1662
    35JDatabaseDriver->loadObject()JROOT/modules/mod_m4all/helper.php:526
    34ModM4AllHelper::getLessonProgress()JROOT/modules/mod_m4all/helper.php:180
    33ModM4AllHelper::getLessonData()JROOT/modules/mod_m4all/helper.php:169
    32ModM4AllHelper::getCurrentLessonData()JROOT/modules/mod_m4all/tmpl/lessonSections.php:4
    31require JROOT/modules/mod_m4all/tmpl/lessonSections.phpJROOT/modules/mod_m4all/mod_m4all.php:9
    30include JROOT/modules/mod_m4all/mod_m4all.phpJROOT/libraries/src/Helper/ModuleHelper.php:200
    29Joomla\CMS\Helper\ModuleHelper::renderModule()JROOT/templates/yootheme/vendor/yootheme/builder-joomla/elements/module/element.php:35
    28YOOtheme\Configuration\Resolver->YOOtheme\{closure}()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:289
    27YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    26YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    25YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    24YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:274
    23YOOtheme\Builder->applyTransforms()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:95
    22YOOtheme\Builder->load()JROOT/templates/yootheme/vendor/yootheme/builder/src/Builder.php:112
    21YOOtheme\Builder->render()JROOT/templates/yootheme/vendor/yootheme/builder-joomla-source/src/TemplateListener.php:55
    20YOOtheme\Builder\Joomla\Source\TemplateListener::loadTemplate()JROOT/templates/yootheme/vendor/yootheme/container/src/Container.php:277
    19YOOtheme\Container->call()JROOT/templates/yootheme/vendor/yootheme/application/src/Application/EventLoader.php:71
    18YOOtheme\Application\EventLoader::YOOtheme\Application\{closure}()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:115
    17YOOtheme\EventDispatcher->handleDefault()JROOT/templates/yootheme/vendor/yootheme/utils/src/EventDispatcher.php:45
    16YOOtheme\EventDispatcher->dispatch()JROOT/templates/yootheme/vendor/yootheme/platform-joomla/src/Dispatcher.php:48
    15YOOtheme\Joomla\Dispatcher->YOOtheme\Joomla\{closure}()JROOT/libraries/joomla/event/dispatcher.php:165
    14JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    13Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/templates/yootheme/vendor/yootheme/theme-joomla/src/ViewTrait.php:22
    12Viewd400cc7c->loadTemplate()JROOT/libraries/src/MVC/View/HtmlView.php:230
    11Joomla\CMS\MVC\View\HtmlView->display()JROOT/components/com_content/views/article/view.html.php:210
    10ContentViewArticle->display()JROOT/libraries/src/MVC/Controller/BaseController.php:664
    9Joomla\CMS\MVC\Controller\BaseController->display()JROOT/components/com_content/controller.php:118
    8ContentController->display()JROOT/libraries/src/MVC/Controller/BaseController.php:702
    7Joomla\CMS\MVC\Controller\BaseController->execute()JROOT/components/com_content/content.php:43
    6require_once JROOT/components/com_content/content.phpJROOT/libraries/src/Component/ComponentHelper.php:402
    5Joomla\CMS\Component\ComponentHelper::executeComponent()JROOT/libraries/src/Component/ComponentHelper.php:377
    4Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/SiteApplication.php:194
    3Joomla\CMS\Application\SiteApplication->dispatch()JROOT/libraries/src/Application/SiteApplication.php:233
    2Joomla\CMS\Application\SiteApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:225
    1Joomla\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: 0.62 ms After last query: 52.83 ms Query memory: 0.025 MB Memory before query: 11.154 MB Rows returned: 1
    Duplicate queries: #35
    SELECT `alias`

      FROM `xu8po_content`

      WHERE id = '166'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_contentconstPRIMARYPRIMARY4const1
    Profile
    StatusDuration
    Starting0.13 ms
    checking permissions0.01 ms
    Opening tables0.04 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.04 ms
    Optimizing0.02 ms
    Statistics0.08 ms
    Preparing0.00 ms
    Unlocking tables0.01 ms
    Preparing0.02 ms
    Executing0.00 ms
    Sending data0.01 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.01 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.01 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.04 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    19JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1740
    18JDatabaseDriver->loadResult()JROOT/components/com_content/router.php:125
    17ContentRouter->getArticleSegment()Same as call in the line below.
    16call_user_func_array()JROOT/libraries/src/Component/Router/RouterView.php:120
    15Joomla\CMS\Component\Router\RouterView->getPath()JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
    14Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()JROOT/libraries/src/Component/Router/RouterView.php:222
    13Joomla\CMS\Component\Router\RouterView->preprocess()JROOT/libraries/src/Router/SiteRouter.php:676
    12Joomla\CMS\Router\SiteRouter->processBuildRules()JROOT/libraries/src/Router/Router.php:266
    11Joomla\CMS\Router\Router->build()JROOT/libraries/src/Router/SiteRouter.php:155
    10Joomla\CMS\Router\SiteRouter->build()JROOT/libraries/src/Router/Route.php:144
    9Joomla\CMS\Router\Route::link()JROOT/libraries/src/Router/Route.php:93
    8Joomla\CMS\Router\Route::_()JROOT/plugins/system/sef/sef.php:110
    7PlgSystemSef->onAfterRender()JROOT/libraries/joomla/event/event.php:70
    6JEvent->update()JROOT/libraries/joomla/event/dispatcher.php:160
    5JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    4Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/libraries/src/Application/CMSApplication.php:1146
    3Joomla\CMS\Application\CMSApplication->render()JROOT/libraries/src/Application/SiteApplication.php:778
    2Joomla\CMS\Application\SiteApplication->render()JROOT/libraries/src/Application/CMSApplication.php:231
    1Joomla\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: 0.88 ms After last query: 0.10 ms Query memory: 0.026 MB Memory before query: 11.166 MB Rows returned: 2
    SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,
				c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,
				c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,
				c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
      CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug

      FROM `xu8po_categories` AS `s`

      INNER JOIN `xu8po_categories` AS `c` 
      ON (s.lft <= c.lft 
      AND c.lft < s.rgt) OR (c.lft < s.lft 
      AND s.rgt < c.rgt)

      WHERE (c.extension='com_content' OR c.extension='system') 
      AND c.access IN (1,1,5) 
      AND c.published = 1 
      AND s.id = 64

      ORDER BY c.lft
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLEsconstPRIMARY,idx_left_rightPRIMARY4const1
    1SIMPLEcrange|filtercat_idx,idx_access,idx_left_rightcat_idx|idx_left_right207|4NULL7 (27%)Using index condition; Using where; Using filesort; Using rowid filter
    Profile
    StatusDuration
    Starting0.19 ms
    checking permissions0.01 ms
    Opening tables0.04 ms
    After opening tables0.01 ms
    System lock0.01 ms
    table lock0.01 ms
    init0.07 ms
    Optimizing0.03 ms
    Statistics0.14 ms
    Preparing0.01 ms
    Unlocking tables0.00 ms
    Preparing0.03 ms
    Sorting result0.01 ms
    Executing0.00 ms
    Sending data0.05 ms
    Creating sort index0.13 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.02 ms
    Query end0.01 ms
    Starting cleanup0.00 ms
    Freeing items0.01 ms
    Updating status0.03 ms
    Reset for next command0.01 ms
    Call Stack
    #CallerFile and line number
    21JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1701
    20JDatabaseDriver->loadObjectList()JROOT/libraries/src/Categories/Categories.php:324
    19Joomla\CMS\Categories\Categories->_load()JROOT/libraries/src/Categories/Categories.php:184
    18Joomla\CMS\Categories\Categories->get()JROOT/components/com_content/router.php:72
    17ContentRouter->getCategorySegment()Same as call in the line below.
    16call_user_func_array()JROOT/libraries/src/Component/Router/RouterView.php:120
    15Joomla\CMS\Component\Router\RouterView->getPath()JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
    14Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()JROOT/libraries/src/Component/Router/RouterView.php:222
    13Joomla\CMS\Component\Router\RouterView->preprocess()JROOT/libraries/src/Router/SiteRouter.php:676
    12Joomla\CMS\Router\SiteRouter->processBuildRules()JROOT/libraries/src/Router/Router.php:266
    11Joomla\CMS\Router\Router->build()JROOT/libraries/src/Router/SiteRouter.php:155
    10Joomla\CMS\Router\SiteRouter->build()JROOT/libraries/src/Router/Route.php:144
    9Joomla\CMS\Router\Route::link()JROOT/libraries/src/Router/Route.php:93
    8Joomla\CMS\Router\Route::_()JROOT/plugins/system/sef/sef.php:110
    7PlgSystemSef->onAfterRender()JROOT/libraries/joomla/event/event.php:70
    6JEvent->update()JROOT/libraries/joomla/event/dispatcher.php:160
    5JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    4Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/libraries/src/Application/CMSApplication.php:1146
    3Joomla\CMS\Application\CMSApplication->render()JROOT/libraries/src/Application/SiteApplication.php:778
    2Joomla\CMS\Application\SiteApplication->render()JROOT/libraries/src/Application/CMSApplication.php:231
    1Joomla\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: 0.29 ms After last query: 0.12 ms Query memory: 0.025 MB Memory before query: 11.178 MB Rows returned: 1
    Duplicate queries: #33
    SELECT `alias`

      FROM `xu8po_content`

      WHERE id = '166'
    Explain
    idselect_typetabletypepossible_keyskeykey_lenrefrowsExtra
    1SIMPLExu8po_contentconstPRIMARYPRIMARY4const1
    Profile
    StatusDuration
    Starting0.03 ms
    checking permissions0.01 ms
    Opening tables0.02 ms
    After opening tables0.01 ms
    System lock0.00 ms
    table lock0.01 ms
    init0.03 ms
    Optimizing0.01 ms
    Statistics0.03 ms
    Preparing0.02 ms
    Unlocking tables0.01 ms
    Preparing0.01 ms
    Executing0.00 ms
    Sending data0.01 ms
    End of update loop0.00 ms
    Query end0.00 ms
    Commit0.00 ms
    Query end0.00 ms
    closing tables0.00 ms
    Unlocking tables0.00 ms
    closing tables0.00 ms
    Query end0.00 ms
    Starting cleanup0.00 ms
    Freeing items0.00 ms
    Updating status0.02 ms
    Reset for next command0.00 ms
    Call Stack
    #CallerFile and line number
    20JDatabaseDriverMysqli->execute()JROOT/libraries/joomla/database/driver.php:1740
    19JDatabaseDriver->loadResult()JROOT/components/com_content/router.php:125
    18ContentRouter->getArticleSegment()Same as call in the line below.
    17call_user_func_array()JROOT/libraries/src/Component/Router/RouterView.php:120
    16Joomla\CMS\Component\Router\RouterView->getPath()JROOT/libraries/src/Component/Router/Rules/StandardRules.php:246
    15Joomla\CMS\Component\Router\Rules\StandardRules->build()JROOT/libraries/src/Component/Router/RouterView.php:244
    14Joomla\CMS\Component\Router\RouterView->build()JROOT/libraries/src/Router/SiteRouter.php:532
    13Joomla\CMS\Router\SiteRouter->buildSefRoute()JROOT/libraries/src/Router/SiteRouter.php:502
    12Joomla\CMS\Router\SiteRouter->_buildSefRoute()JROOT/libraries/src/Router/Router.php:281
    11Joomla\CMS\Router\Router->build()JROOT/libraries/src/Router/SiteRouter.php:155
    10Joomla\CMS\Router\SiteRouter->build()JROOT/libraries/src/Router/Route.php:144
    9Joomla\CMS\Router\Route::link()JROOT/libraries/src/Router/Route.php:93
    8Joomla\CMS\Router\Route::_()JROOT/plugins/system/sef/sef.php:110
    7PlgSystemSef->onAfterRender()JROOT/libraries/joomla/event/event.php:70
    6JEvent->update()JROOT/libraries/joomla/event/dispatcher.php:160
    5JEventDispatcher->trigger()JROOT/libraries/src/Application/BaseApplication.php:108
    4Joomla\CMS\Application\BaseApplication->triggerEvent()JROOT/libraries/src/Application/CMSApplication.php:1146
    3Joomla\CMS\Application\CMSApplication->render()JROOT/libraries/src/Application/SiteApplication.php:778
    2Joomla\CMS\Application\SiteApplication->render()JROOT/libraries/src/Application/CMSApplication.php:231
    1Joomla\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 Types Logged, Sorted by Occurrences.

SELECT Tables:
  1. 4 × 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 xu8po_fields AS a 
      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language 
      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out 
      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access 
      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id 
      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id
  2. 2 × SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled` 
      FROM `xu8po_extensions`
  3. 2 × SELECT `id`,`name`,`rules`,`parent_id` 
      FROM `xu8po_assets`
  4. 2 × SELECT c.id, c.asset_id, c.access, c.alias, c.checked_out, c.checked_out_time,     c.created_time, c.created_user_id, c.description, c.extension, c.hits, c.language, c.level,     c.lft, c.metadata, c.metadesc, c.metakey, c.modified_time, c.note, c.params, c.parent_id,     c.path, c.published, c.rgt, c.title, c.modified_user_id, c.version, 
      CASE WHEN CHAR_LENGTH(c.alias) != 0 THEN CONCAT_WS(':', c.id, c.alias) ELSE c.id END as slug 
      FROM `xu8po_categories` AS `s` 
      INNER JOIN `xu8po_categories` AS `c` 
      ON (s.lft <= c.lft 
      AND c.lft < s.rgt) OR (c.lft < s.lft 
      AND s.rgt < c.rgt)
  5. 2 × SELECT `field_id`,`value` 
      FROM `xu8po_fields_values`
  6. 2 × SELECT * 
      FROM xu8po_content
  7. 2 × SELECT `alias` 
      FROM `xu8po_content`
  8. 1 × SELECT `data` 
      FROM `xu8po_session`
  9. 1 × SELECT `session_id` 
      FROM `xu8po_session`
  10. 1 × SELECT id, rules 
      FROM `xu8po_viewlevels
  11. 1 × SELECT b.id 
      FROM xu8po_usergroups AS a 
      LEFT JOIN xu8po_usergroups AS b 
      ON b.lft <= a.lft 
      AND b.rgt >= a.rgt
  12. 1 × SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id` 
      FROM xu8po_extensions
  13. 1 × SELECT m.id, m.menutype, m.title, m.alias, m.note, m.path AS route, m.link, m.type, m.level, m.language,`m`.`browserNav`, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component 
      FROM xu8po_menu AS m 
      LEFT JOIN xu8po_extensions AS e 
      ON m.component_id = e.extension_id
  14. 1 × SELECT id, home, template, s.params 
      FROM xu8po_template_styles as s 
      LEFT JOIN xu8po_extensions as e 
      ON e.element=s.template 
      AND e.type='template' 
      AND e.client_id=s.client_id
  15. 1 × SELECT * 
      FROM xu8po_languages
  16. 1 × SELECT a.id, a.asset_id, a.title, a.alias, a.introtext, a.fulltext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, 
      CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, a.checked_out, a.checked_out_time, a.publish_up, a.publish_down, a.images, a.urls, a.attribs, a.version, a.ordering, a.metakey, a.metadesc, a.access, a.hits, a.metadata, a.featured, a.language, a.xreference,c.title AS category_title, c.alias AS category_alias, c.access AS category_access,u.name AS author,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count 
      FROM xu8po_content AS a 
      INNER JOIN xu8po_categories AS c 
      on c.id = a.catid 
      LEFT JOIN xu8po_users AS u 
      on u.id = a.created_by 
      LEFT JOIN xu8po_categories as parent 
      ON parent.id = c.parent_id 
      LEFT JOIN xu8po_content_rating AS v 
      ON a.id = v.content_id
  17. 1 × SELECT `m`.`tag_id`,`t`.* 
      FROM `xu8po_contentitem_tag_map` AS m  
      INNER JOIN `xu8po_tags` AS t  
      ON `m`.`tag_id` = `t`.`id`
  18. 1 × SELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note 
      FROM xu8po_fields AS a 
      LEFT JOIN `xu8po_languages` AS l 
      ON l.lang_code = a.language 
      LEFT JOIN xu8po_users AS uc 
      ON uc.id=a.checked_out 
      LEFT JOIN xu8po_viewlevels AS ag 
      ON ag.id = a.access 
      LEFT JOIN xu8po_users AS ua 
      ON ua.id = a.created_user_id 
      LEFT JOIN xu8po_fields_groups AS g 
      ON g.id = a.group_id 
      LEFT JOIN `xu8po_fields_categories` AS fc 
      ON fc.field_id = a.id
  19. 1 × SELECT a.id, a.title, a.catid, a.language, 
      CASE WHEN CHAR_LENGTH(a.alias) != 0 THEN CONCAT_WS(':', a.id, a.alias) ELSE a.id END as slug, 
      CASE WHEN CHAR_LENGTH(cc.alias) != 0 THEN CONCAT_WS(':', cc.id, cc.alias) ELSE cc.id END as catslug 
      FROM xu8po_content AS a 
      LEFT JOIN xu8po_categories AS cc 
      ON cc.id = a.catid
  20. 1 × SELECT custom_data 
      FROM xu8po_extensions
  21. 1 × SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid 
      FROM xu8po_modules AS m 
      LEFT JOIN xu8po_modules_menu AS mm 
      ON mm.moduleid = m.id 
      LEFT JOIN xu8po_extensions AS e 
      ON e.element = m.module 
      AND e.client_id = m.client_id
  22. 1 × SELECT * 
      FROM xu8po_lesson_progress
OTHER Tables:
  1. 1 × INSERT INTO `xu8po_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
      VALUES  (X'6361643733336563303631383662396230656263376362373739346666613861', 1, 1745061594, 0, '', 0
  2. 1 × UPDATE `xu8po_extensions` 
      SET `params` = '{\"mediaversion\":\"d9a12f3fdc4b8f1215bca32d79eaa618\"}'
  3. 1 × SHOW FULL COLUMNS 
      FROM `xu8po_content
  4. 1 × UPDATE xu8po_content 
      SET `hits` = (`hits` + 1)