Certified LOPA Specialist

Requirements for CLS^®

Layers of protection analysis (LOPA) enhances the results of PHA studies by providing more objective estimates of the risks of hazard scenarios. Such risk estimates play a critical role in decisions on the adequacy of the safety of processes. Consequently, it is essential that individuals who lead LOPA studies meet a standard for competence. Three increasing levels of competency are offered: Practitioner, Specialist and Expert.

This certification is intended for a process safety professional who routinely acts as the team leader for LOPA studies. A Specialist has a minimum of five years of relevant experience and conducts studies regularly. This professional has in-depth knowledge and abilities to lead LOPA studies for such purposes as safety integrity level (SIL) determination.

Primacert expects that a Certified LOPA Specialist using the designation CLS^® can demonstrate competency by meeting the following requirements:

Academic Qualifications

A degree from an accredited university or college in a relevant technical discipline. At a minimum, degree includes three years relevant, full-time tertiary education.

Experience

A minimum of five years of recent and relevant work experience.
Relevant work experience must include facilitating a minimum of two LOPA studies within the last year.

Work Product

A report that contains the study worksheets from a substantial LOPA study facilitated within the last year by the applicant must be submitted. The LOPA procedure and any associated guidelines used must also be submitted to facilitate review of the work product.

Training

In addition to the training required for the practitioner level, successful completion within the last three years of a training course that addresses the application of LOPA to the determination of safety integrity levels, such as Primatech's Safety Integrity Level (SIL) Determination Using LOPA and Other Methods to Comply with IEC 61511 and ISA 84.

References

Two references from supervisor / manager / peer who can attest to academic qualifications, work experience, professional ethics, and responsibility for work products. Additionally, two references from individuals who were members of a team for a LOPA study facilitated by the applicant within the last year who can rate leadership skills.

Examination

Successful completion of the Primacert examination for CLS^®.
For a list of examination topics, see LOPA Examination Topics.

Recertification

Certification is valid for three years.
For recertification requirements, see Recertification Requirements for CLS^®.

Apply Now

Other Certifications

Certified PHA Practitioner (CPP^®)

Certified PHA Specialist (CPS^®)

Certified PHA Expert (CPE^®)

Certified LOPA Practitioner (CLP^®)

Certified LOPA Expert (CLE^®)

Certified DHA Practitioner (CDP^®)

Certified DHA Specialist (CDS^®)

Certified DHA Expert (CDE^®)

Certified Audit Practitioner (CAP^®)

Certified Audit Specialist (CAS^®)

Certified Audit Expert (CAE^℠)

Certified Process Safety Practitioner (CPSP^®)

Certified Process Safety Specialist (CPSS^®)

Certified Process Safety Manager (CPSM^®)

Certified Process Safety Expert (CPSE^®)

Certified Procedure Writer (CPW^®)

Joomla! Debug Console

Session

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Profile Information

Time

Memory

Time: 16.60 ms / 16.60 ms Memory: 2.135 MB / 2.51 MB Application: afterLoad

Time: 42.39 ms / 58.98 ms Memory: 3.695 MB / 6.21 MB Application: afterInitialise

Time: 10.60 ms / 69.59 ms Memory: 1.013 MB / 7.22 MB Application: afterRoute

Time: 4.18 ms / 73.76 ms Memory: 0.228 MB / 7.45 MB Application: beforeRenderComponent com_content

Time: 4.31 ms / 78.07 ms Memory: 0.455 MB / 7.91 MB Application: Before Access::preloadComponents (all components)

Time: 0.85 ms / 78.92 ms Memory: 0.055 MB / 7.96 MB Application: After Access::preloadComponents (all components)

Time: 0.02 ms / 78.94 ms Memory: -0.003 MB / 7.96 MB Application: Before Access::preloadPermissions (com_content)

Time: 0.61 ms / 79.56 ms Memory: 0.063 MB / 8.02 MB Application: After Access::preloadPermissions (com_content)

Time: 0.02 ms / 79.58 ms Memory: -0.002 MB / 8.02 MB Application: Before Access::getAssetRules (id:55 name:com_content.article.18)

Time: 0.43 ms / 80.01 ms Memory: 0.028 MB / 8.05 MB Application: After Access::getAssetRules (id:55 name:com_content.article.18)

Time: 28.28 ms / 108.29 ms Memory: 1.611 MB / 9.66 MB Application: beforeRenderModule mod_custom (Other Certifications )

Time: 0.51 ms / 108.80 ms Memory: 0.025 MB / 9.68 MB Application: afterRenderModule mod_custom (Other Certifications )

Time: 0.03 ms / 108.83 ms Memory: -0.001 MB / 9.68 MB Application: beforeRenderModule mod_custom (CPP)

Time: 0.15 ms / 108.98 ms Memory: 0.003 MB / 9.68 MB Application: afterRenderModule mod_custom (CPP)

Time: 0.02 ms / 109.00 ms Memory: -0.001 MB / 9.68 MB Application: beforeRenderModule mod_custom (CPS)

Time: 0.14 ms / 109.14 ms Memory: 0.003 MB / 9.69 MB Application: afterRenderModule mod_custom (CPS)

Time: 0.02 ms / 109.17 ms Memory: -0.001 MB / 9.68 MB Application: beforeRenderModule mod_custom (CPE)

Time: 0.14 ms / 109.30 ms Memory: 0.004 MB / 9.69 MB Application: afterRenderModule mod_custom (CPE)

Time: 0.02 ms / 109.33 ms Memory: -0.001 MB / 9.69 MB Application: beforeRenderModule mod_custom (CLP)

Time: 0.14 ms / 109.46 ms Memory: 0.003 MB / 9.69 MB Application: afterRenderModule mod_custom (CLP)

Time: 0.02 ms / 109.48 ms Memory: -0.001 MB / 9.69 MB Application: beforeRenderModule mod_custom (CLE)

Time: 0.13 ms / 109.62 ms Memory: 0.003 MB / 9.69 MB Application: afterRenderModule mod_custom (CLE)

Time: 0.02 ms / 109.64 ms Memory: -0.001 MB / 9.69 MB Application: beforeRenderModule mod_custom (CDP)

Time: 0.13 ms / 109.77 ms Memory: 0.003 MB / 9.69 MB Application: afterRenderModule mod_custom (CDP)

Time: 0.02 ms / 109.79 ms Memory: -0.001 MB / 9.69 MB Application: beforeRenderModule mod_custom (CDS)

Time: 0.19 ms / 109.98 ms Memory: 0.003 MB / 9.70 MB Application: afterRenderModule mod_custom (CDS)

Time: 0.03 ms / 110.00 ms Memory: -0.001 MB / 9.70 MB Application: beforeRenderModule mod_custom (CDE)

Time: 0.18 ms / 110.19 ms Memory: 0.003 MB / 9.70 MB Application: afterRenderModule mod_custom (CDE)

Time: 0.02 ms / 110.21 ms Memory: -0.001 MB / 9.70 MB Application: beforeRenderModule mod_custom (CAP)

Time: 0.14 ms / 110.35 ms Memory: 0.003 MB / 9.70 MB Application: afterRenderModule mod_custom (CAP)

Time: 0.02 ms / 110.37 ms Memory: -0.001 MB / 9.70 MB Application: beforeRenderModule mod_custom (CAS)

Time: 0.17 ms / 110.53 ms Memory: 0.003 MB / 9.70 MB Application: afterRenderModule mod_custom (CAS)

Time: 0.02 ms / 110.56 ms Memory: -0.001 MB / 9.70 MB Application: beforeRenderModule mod_custom (CAE)

Time: 0.14 ms / 110.69 ms Memory: 0.006 MB / 9.71 MB Application: afterRenderModule mod_custom (CAE)

Time: 0.02 ms / 110.71 ms Memory: -0.001 MB / 9.71 MB Application: beforeRenderModule mod_custom (CPSP)

Time: 0.15 ms / 110.87 ms Memory: 0.003 MB / 9.71 MB Application: afterRenderModule mod_custom (CPSP)

Time: 0.02 ms / 110.89 ms Memory: -0.001 MB / 9.71 MB Application: beforeRenderModule mod_custom (CPSS)

Time: 0.14 ms / 111.02 ms Memory: 0.003 MB / 9.71 MB Application: afterRenderModule mod_custom (CPSS)

Time: 0.02 ms / 111.05 ms Memory: -0.001 MB / 9.71 MB Application: beforeRenderModule mod_custom (CPSM)

Time: 0.13 ms / 111.18 ms Memory: 0.003 MB / 9.71 MB Application: afterRenderModule mod_custom (CPSM)

Time: 0.02 ms / 111.20 ms Memory: -0.001 MB / 9.71 MB Application: beforeRenderModule mod_custom (CPSE)

Time: 0.13 ms / 111.33 ms Memory: 0.003 MB / 9.71 MB Application: afterRenderModule mod_custom (CPSE)

Time: 0.02 ms / 111.35 ms Memory: -0.001 MB / 9.71 MB Application: beforeRenderModule mod_custom (CPW)

Time: 0.13 ms / 111.48 ms Memory: 0.003 MB / 9.72 MB Application: afterRenderModule mod_custom (CPW)

Time: 6.19 ms / 117.68 ms Memory: 0.442 MB / 10.16 MB Application: afterRenderComponent com_content

Time: 1.22 ms / 118.90 ms Memory: 0.097 MB / 10.26 MB Application: afterDispatch

Time: 0.65 ms / 119.55 ms Memory: 0.040 MB / 10.30 MB Application: beforeRenderModule mod_breadcrumbs (Breadcrumbs)

Time: 1.25 ms / 120.80 ms Memory: 0.141 MB / 10.44 MB Application: afterRenderModule mod_breadcrumbs (Breadcrumbs)

Time: 0.06 ms / 120.86 ms Memory: -0.004 MB / 10.43 MB Application: beforeRenderModule mod_menu (Top Nav)

Time: 12.39 ms / 133.26 ms Memory: 0.375 MB / 10.81 MB Application: afterRenderModule mod_menu (Top Nav)

Time: 1.88 ms / 135.14 ms Memory: 0.106 MB / 10.91 MB Application: afterRender

Database queries total: 16.80 ms

Memory Usage

Database Queries

19 Queries Logged 16.80 ms

Query Time: 0.42 ms Query memory: 0.023 MB Memory before query: 4.220 MB Rows returned: 1

SELECT `data`

  FROM `joom_session`

  WHERE `session_id` = X'6b396970737069666769717630756c6365656138716968726a65'

Explain

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

Profile

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

Call Stack

#	Caller	File and line number
16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
15	JDatabaseDriver->loadResult()	JROOT/libraries/joomla/session/storage/database.php:45
14	JSessionStorageDatabase->read()	Same as call in the line below.
13	session_start()	JROOT/libraries/joomla/session/handler/native.php:260
12	JSessionHandlerNative->doSessionStart()	JROOT/libraries/joomla/session/handler/native.php:50
11	JSessionHandlerNative->start()	JROOT/libraries/joomla/session/handler/joomla.php:88
10	JSessionHandlerJoomla->start()	JROOT/libraries/src/Session/Session.php:661
9	Joomla\CMS\Session\Session->_start()	JROOT/libraries/src/Session/Session.php:621
8	Joomla\CMS\Session\Session->start()	JROOT/libraries/src/Session/Session.php:499
7	Joomla\CMS\Session\Session->get()	JROOT/libraries/src/Session/Session.php:456
6	Joomla\CMS\Session\Session->isNew()	JROOT/libraries/src/Application/CMSApplication.php:826
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:136
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:386
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:48

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

Query Time: 0.53 ms After last query: 3.08 ms Query memory: 0.024 MB Memory before query: 4.553 MB Rows returned: 37

SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`

  FROM `joom_extensions`

  WHERE `type` = 'component' 
  AND `state` = 0 
  AND `enabled` = 1

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joom_extensions	NULL	ref	extension	extension	82	const	37	1.00	Using where

Profile

Status	Duration
starting	0.06 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.06 ms
preparing	0.04 ms
executing	0.17 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
11	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Component/ComponentHelper.php:445
10	Joomla\CMS\Component\ComponentHelper::Joomla\CMS\Component\{closure}()	Same as call in the line below.
9	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
8	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Component/ComponentHelper.php:453
7	Joomla\CMS\Component\ComponentHelper::load()	JROOT/libraries/src/Component/ComponentHelper.php:519
6	Joomla\CMS\Component\ComponentHelper::getComponents()	JROOT/libraries/src/Component/ComponentHelper.php:44
5	Joomla\CMS\Component\ComponentHelper::getComponent()	JROOT/libraries/src/Component/ComponentHelper.php:103
4	Joomla\CMS\Component\ComponentHelper::getParams()	JROOT/libraries/src/Application/SiteApplication.php:594
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.24 ms After last query: 2.00 ms Query memory: 0.021 MB Memory before query: 4.745 MB Rows returned: 4

SELECT id, rules

  FROM `joom_viewlevels`

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joom_viewlevels	NULL	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	4	100.00	NULL

Profile

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

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1506
9	JDatabaseDriver->loadAssocList()	JROOT/libraries/src/Access/Access.php:1063
8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT/libraries/src/User/User.php:458
7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT/libraries/src/Plugin/PluginHelper.php:318
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.31 ms After last query: 0.09 ms Query memory: 0.021 MB Memory before query: 4.756 MB Rows returned: 1

SELECT b.id

  FROM joom_usergroups AS a

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

  WHERE a.id = 1

Explain

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

Profile

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

Call Stack

#	Caller	File and line number
11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1550
10	JDatabaseDriver->loadColumn()	JROOT/libraries/src/Access/Access.php:980
9	Joomla\CMS\Access\Access::getGroupsByUser()	JROOT/libraries/src/Access/Access.php:1095
8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT/libraries/src/User/User.php:458
7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT/libraries/src/Plugin/PluginHelper.php:318
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.88 ms After last query: 0.64 ms Query memory: 0.030 MB Memory before query: 4.825 MB Rows returned: 81

SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id`

  FROM joom_extensions

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

  ORDER BY ordering

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joom_extensions	NULL	ref	extension	extension	82	const	100	0.50	Using where; Using filesort

Profile

Status	Duration
starting	0.09 ms
Executing hook on transaction	0.01 ms
starting	0.01 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.04 ms
preparing	0.02 ms
executing	0.52 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.02 ms

Call Stack

#	Caller	File and line number
11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
10	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Plugin/PluginHelper.php:351
9	Joomla\CMS\Plugin\PluginHelper::Joomla\CMS\Plugin\{closure}()	Same as call in the line below.
8	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
7	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Plugin/PluginHelper.php:356
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 1.35 ms After last query: 17.69 ms Query memory: 0.112 MB Memory before query: 6.395 MB Rows returned: 73

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 joom_menu AS m

  LEFT JOIN joom_extensions AS e 
  ON m.component_id = e.extension_id

  WHERE m.published = 1 
  AND m.parent_id > 0 
  AND m.client_id = 0

  ORDER BY m.lft

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	m	NULL	ALL	idx_client_id_parent_id_alias_language	NO INDEX KEY COULD BE USED	NULL	NULL	100	7.40	Using where; Using filesort
1	SIMPLE	e	NULL	eq_ref	PRIMARY	PRIMARY	4	primacertsite.m.component_id	1	100.00	Using where

Profile

Status	Duration
starting	0.12 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
Opening tables	0.06 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.08 ms
preparing	0.04 ms
executing	0.84 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.02 ms

Call Stack

#	Caller	File and line number
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Menu/SiteMenu.php:93
17	Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()	Same as call in the line below.
16	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
15	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Menu/SiteMenu.php:101
14	Joomla\CMS\Menu\SiteMenu->load()	JROOT/libraries/src/Menu/AbstractMenu.php:78
13	Joomla\CMS\Menu\AbstractMenu->__construct()	JROOT/libraries/src/Menu/SiteMenu.php:62
12	Joomla\CMS\Menu\SiteMenu->__construct()	JROOT/libraries/src/Menu/AbstractMenu.php:142
11	Joomla\CMS\Menu\AbstractMenu::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:417
10	Joomla\CMS\Application\CMSApplication->getMenu()	JROOT/libraries/src/Application/SiteApplication.php:275
9	Joomla\CMS\Application\SiteApplication->getMenu()	JROOT/libraries/src/Router/SiteRouter.php:65
8	Joomla\CMS\Router\SiteRouter->__construct()	JROOT/libraries/src/Router/Router.php:189
7	Joomla\CMS\Router\Router::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:533
6	Joomla\CMS\Application\CMSApplication::getRouter()	JROOT/libraries/src/Application/SiteApplication.php:403
5	Joomla\CMS\Application\SiteApplication::getRouter()	JROOT/libraries/src/Application/CMSApplication.php:1141
4	Joomla\CMS\Application\CMSApplication->route()	JROOT/libraries/src/Application/SiteApplication.php:796
3	Joomla\CMS\Application\SiteApplication->route()	JROOT/libraries/src/Application/SiteApplication.php:218
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.42 ms After last query: 7.65 ms Query memory: 0.022 MB Memory before query: 7.256 MB Rows returned: 1

SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled`

  FROM `joom_extensions`

  WHERE `type` = 'library' 
  AND `element` = 'joomla'

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joom_extensions	NULL	ref	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	100.00	NULL

Profile

Status	Duration
starting	0.07 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
executing	0.04 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
15	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1662
14	JDatabaseDriver->loadObject()	JROOT/libraries/src/Helper/LibraryHelper.php:167
13	Joomla\CMS\Helper\LibraryHelper::Joomla\CMS\Helper\{closure}()	Same as call in the line below.
12	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
11	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Helper/LibraryHelper.php:175
10	Joomla\CMS\Helper\LibraryHelper::loadLibrary()	JROOT/libraries/src/Helper/LibraryHelper.php:43
9	Joomla\CMS\Helper\LibraryHelper::getLibrary()	JROOT/libraries/src/Helper/LibraryHelper.php:90
8	Joomla\CMS\Helper\LibraryHelper::getParams()	JROOT/libraries/src/Version.php:321
7	Joomla\CMS\Version->getMediaVersion()	JROOT/libraries/src/Factory.php:778
6	Joomla\CMS\Factory::createDocument()	JROOT/libraries/src/Factory.php:234
5	Joomla\CMS\Factory::getDocument()	JROOT/libraries/src/Application/WebApplication.php:1137
4	Joomla\CMS\Application\WebApplication->loadDocument()	JROOT/libraries/src/Application/SiteApplication.php:133
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.32 ms After last query: 0.17 ms Query memory: 0.005 MB Memory before query: 7.246 MB

UPDATE `joom_extensions`

  SET `params` = '{\"mediaversion\":\"ed83a26f8c973a4bea91c5fcc23dec70\"}'

  WHERE `type` = 'library' 
  AND `element` = 'joomla'

Explain

EXPLAIN not possible on query: UPDATE `joom_extensions` SET `params` = '{\"mediaversion\":\"ed83a26f8c973a4bea91c5fcc23dec70\"}' WHERE `type` = 'library' AND `element` = 'joomla'

Profile

Status	Duration
starting	0.04 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.00 ms
Opening tables	0.02 ms
init	0.01 ms
System lock	0.06 ms
updating	0.04 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.04 ms
cleaning up	0.02 ms

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Helper/LibraryHelper.php:117
9	Joomla\CMS\Helper\LibraryHelper::saveParams()	JROOT/libraries/src/Version.php:372
8	Joomla\CMS\Version->setMediaVersion()	JROOT/libraries/src/Version.php:331
7	Joomla\CMS\Version->getMediaVersion()	JROOT/libraries/src/Factory.php:778
6	Joomla\CMS\Factory::createDocument()	JROOT/libraries/src/Factory.php:234
5	Joomla\CMS\Factory::getDocument()	JROOT/libraries/src/Application/WebApplication.php:1137
4	Joomla\CMS\Application\WebApplication->loadDocument()	JROOT/libraries/src/Application/SiteApplication.php:133
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.31 ms After last query: 1.77 ms Query memory: 0.020 MB Memory before query: 7.433 MB Rows returned: 1

SELECT *

  FROM joom_languages

  WHERE published=1

  ORDER BY ordering ASC

Explain

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

Profile

Status	Duration
starting	0.04 ms
Executing hook on transaction	0.01 ms
starting	0.01 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.01 ms
preparing	0.02 ms
executing	0.05 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
7	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
6	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Language/LanguageHelper.php:150
5	Joomla\CMS\Language\LanguageHelper::getLanguages()	JROOT/libraries/src/Application/SiteApplication.php:330
4	Joomla\CMS\Application\SiteApplication->getParams()	JROOT/libraries/src/Application/SiteApplication.php:138
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.45 ms After last query: 0.21 ms Query memory: 0.019 MB Memory before query: 7.445 MB Rows returned: 7

SELECT id, home, template, s.params

  FROM joom_template_styles as s

  LEFT JOIN joom_extensions as e 
  ON e.element=s.template 
  AND e.type='template' 
  AND e.client_id=s.client_id

  WHERE s.client_id = 0 
  AND e.enabled = 1

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	e	NULL	ref	element_clientid,element_folder_clientid,extension	extension	82	const	10	1.00	Using index condition; Using where
1	SIMPLE	s	NULL	ref	idx_template,idx_client_id,idx_client_id_home	idx_template	202	primacertsite.e.element	1	70.00	Using index condition; Using where

Profile

Status	Duration
starting	0.05 ms
Executing hook on transaction	0.00 ms
starting	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.03 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.02 ms
executing	0.11 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
6	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
5	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Application/SiteApplication.php:486
4	Joomla\CMS\Application\SiteApplication->getTemplate()	JROOT/libraries/src/Application/SiteApplication.php:168
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.67 ms After last query: 4.59 ms Query memory: 0.027 MB Memory before query: 7.909 MB Rows returned: 37

SELECT `id`,`name`,`rules`,`parent_id`

  FROM `joom_assets`

  WHERE `name` IN ('root.1','com_actionlogs','com_admin','com_ajax','com_associations','com_banners','com_cache','com_categories','com_cert','com_checkin','com_config','com_contact','com_content','com_contenthistory','com_cpanel','com_fields','com_finder','com_installer','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_rssimple','com_search','com_tags','com_templates','com_users','com_weblinks','com_wrapper')

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joom_assets	NULL	ALL	idx_asset_name	NO INDEX KEY COULD BE USED	NULL	NULL	126	30.16	Using where

Profile

Status	Duration
starting	0.07 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.01 ms
Opening tables	0.04 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.13 ms
preparing	0.02 ms
executing	0.22 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.03 ms

Call Stack

#	Caller	File and line number
18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
17	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Access/Access.php:429
16	Joomla\CMS\Access\Access::preloadComponents()	JROOT/libraries/src/Access/Access.php:213
15	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:531
14	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
13	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
12	Joomla\CMS\User\User->authorise()	JROOT/components/com_content/models/article.php:58
11	ContentModelArticle->populateState()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:457
10	Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()	JROOT/components/com_content/models/article.php:251
9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:113
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.45 ms After last query: 0.16 ms Query memory: 0.029 MB Memory before query: 7.958 MB Rows returned: 63

SELECT `id`,`name`,`rules`,`parent_id`

  FROM `joom_assets`

  WHERE `name` LIKE 'com_content.%' OR `name` = 'com_content' OR `parent_id` = 0

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joom_assets	NULL	ALL	idx_asset_name,idx_parent_id	NO INDEX KEY COULD BE USED	NULL	NULL	126	26.67	Using where

Profile

Status	Duration
starting	0.04 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.05 ms
preparing	0.02 ms
executing	0.16 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
17	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Access/Access.php:359
16	Joomla\CMS\Access\Access::preloadPermissions()	JROOT/libraries/src/Access/Access.php:226
15	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:540
14	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
13	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
12	Joomla\CMS\User\User->authorise()	JROOT/components/com_content/models/article.php:58
11	ContentModelArticle->populateState()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:457
10	Joomla\CMS\MVC\Model\BaseDatabaseModel->getState()	JROOT/components/com_content/models/article.php:251
9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:113
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 2.12 ms After last query: 1.17 ms Query memory: 0.031 MB Memory before query: 8.086 MB Rows returned: 31

SHOW FULL COLUMNS 
  FROM `joom_content`

Explain

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

Profile

Status	Duration
starting	0.05 ms
Executing hook on transaction	0.00 ms
starting	0.05 ms
checking permissions	0.01 ms
checking permissions	0.00 ms
Opening tables	0.53 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.13 ms
preparing	0.03 ms
Creating tmp table	0.05 ms
executing	0.07 ms
checking permissions	0.07 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.02 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.02 ms
checking permissions	0.03 ms
checking permissions	0.02 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.02 ms
checking permissions	0.02 ms
checking permissions	0.02 ms
checking permissions	0.03 ms
checking permissions	0.03 ms
checking permissions	0.02 ms
checking permissions	0.02 ms
checking permissions	0.03 ms
checking permissions	0.02 ms
checking permissions	0.03 ms
checking permissions	0.02 ms
checking permissions	0.07 ms
checking permissions	0.03 ms
checking permissions	0.10 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.05 ms
cleaning up	0.02 ms

Call Stack

#	Caller	File and line number
16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
15	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/database/driver/mysqli.php:448
14	JDatabaseDriverMysqli->getTableColumns()	JROOT/libraries/src/Table/Table.php:261
13	Joomla\CMS\Table\Table->getFields()	JROOT/libraries/src/Table/Table.php:180
12	Joomla\CMS\Table\Table->__construct()	JROOT/libraries/src/Table/Content.php:39
11	Joomla\CMS\Table\Content->__construct()	JROOT/libraries/src/Table/Table.php:328
10	Joomla\CMS\Table\Table::getInstance()	JROOT/components/com_content/models/article.php:253
9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:113
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 4.53 ms After last query: 2.67 ms Query memory: 0.005 MB Memory before query: 8.320 MB

UPDATE joom_content

  SET `hits` = (`hits` + 1)

  WHERE `id` = '18'

Explain

EXPLAIN not possible on query: UPDATE joom_content SET `hits` = (`hits` + 1) WHERE `id` = '18'

Profile

Status	Duration
starting	0.04 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.00 ms
Opening tables	0.03 ms
init	0.01 ms
System lock	0.05 ms
updating	0.13 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	4.15 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
11	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Table/Table.php:1264
10	Joomla\CMS\Table\Table->hit()	JROOT/components/com_content/models/article.php:254
9	ContentModelArticle->hit()	JROOT/components/com_content/controller.php:113
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.65 ms After last query: 1.60 ms Query memory: 0.023 MB Memory before query: 8.442 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 joom_content AS a

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

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

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

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

  WHERE a.id = 18 
  AND c.published > 0 
  AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2026-01-29 10:34:01') 
  AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2026-01-29 10:34:01') 
  AND (a.state = 1 OR a.state =2)

Explain

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

Profile

Status	Duration
starting	0.15 ms
Executing hook on transaction	0.01 ms
starting	0.01 ms
checking permissions	0.01 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.09 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.03 ms
statistics	0.11 ms
preparing	0.02 ms
executing	0.03 ms
end	0.00 ms
query end	0.03 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1662
13	JDatabaseDriver->loadObject()	JROOT/components/com_content/models/article.php:151
12	ContentModelArticle->getItem()	JROOT/libraries/src/MVC/View/HtmlView.php:425
11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_content/views/article/view.html.php:42
10	ContentViewArticle->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:664
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.49 ms After last query: 1.74 ms Query memory: 0.022 MB Memory before query: 8.622 MB Rows returned: 0

SELECT `m`.`tag_id`,`t`.*

  FROM `joom_contentitem_tag_map` AS m 

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

  WHERE `m`.`type_alias` = 'com_content.article' 
  AND `m`.`content_item_id` = 18 
  AND `t`.`published` = 1 
  AND t.access IN (1,1)

Explain

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

Profile

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

Call Stack

#	Caller	File and line number
13	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
12	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Helper/TagsHelper.php:454
11	Joomla\CMS\Helper\TagsHelper->getItemTags()	JROOT/components/com_content/views/article/view.html.php:184
10	ContentViewArticle->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:664
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.68 ms After last query: 6.29 ms Query memory: 0.027 MB Memory before query: 9.109 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 `joom_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1) 
  AND c.published = 1 
  AND s.id = 8

  ORDER BY c.lft

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	NULL	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	Using filesort
1	SIMPLE	c	NULL	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	3	88.89	Using index condition; Using where

Profile

Status	Duration
starting	0.14 ms
Executing hook on transaction	0.01 ms
starting	0.01 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.07 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.13 ms
preparing	0.04 ms
executing	0.10 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.02 ms

Call Stack

#	Caller	File and line number
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:140
16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:194
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
13	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
12	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
11	JEventDispatcher->trigger()	JROOT/components/com_content/views/article/view.html.php:193
10	ContentViewArticle->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:664
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 0.78 ms After last query: 0.51 ms Query memory: 0.025 MB Memory before query: 9.154 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 joom_fields AS a

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

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

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

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

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

  LEFT JOIN `joom_fields_categories` AS fc 
  ON fc.field_id = a.id

  WHERE a.context = 'com_content.article' 
  AND (fc.category_id IS NULL OR fc.category_id IN (8,0)) 
  AND a.access IN (1,1) 
  AND (a.group_id = 0 OR g.access IN (1,1)) 
  AND a.state = 1 
  AND (a.group_id = 0 OR g.state = 1)

  ORDER BY a.ordering ASC

Explain

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

Profile

Status	Duration
starting	0.12 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.09 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.03 ms
statistics	0.13 ms
preparing	0.03 ms
Creating tmp table	0.10 ms
executing	0.09 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.02 ms
closing tables	0.01 ms
freeing items	0.03 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:322
17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:194
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
14	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
13	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
12	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
11	JEventDispatcher->trigger()	JROOT/components/com_content/views/article/view.html.php:193
10	ContentViewArticle->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:664
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

Query Time: 1.21 ms After last query: 4.25 ms Query memory: 0.028 MB Memory before query: 9.620 MB Rows returned: 19

SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid

  FROM joom_modules AS m

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

  LEFT JOIN joom_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 <= '2026-01-29 10:34:01') 
  AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2026-01-29 10:34:01') 
  AND m.access IN (1,1) 
  AND m.client_id = 0 
  AND (mm.menuid = 120 OR mm.menuid <= 0)

  ORDER BY m.position, m.ordering

Explain

id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	m	NULL	ALL	PRIMARY,published,newsfeeds	NO INDEX KEY COULD BE USED	NULL	NULL	44	2.27	Using where; Using filesort
1	SIMPLE	e	NULL	ref	element_clientid,element_folder_clientid	element_clientid	403	primacertsite.m.module,const	1	10.00	Using index condition; Using where
1	SIMPLE	mm	NULL	ref	PRIMARY	PRIMARY	4	primacertsite.m.id	7	40.00	Using where; Using index

Profile

Status	Duration
starting	0.10 ms
Executing hook on transaction	0.00 ms
starting	0.01 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.06 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.03 ms
statistics	0.08 ms
preparing	0.04 ms
executing	0.70 ms
end	0.01 ms
query end	0.00 ms
waiting for handler commit	0.01 ms
closing tables	0.03 ms
freeing items	0.03 ms
cleaning up	0.02 ms

Call Stack

#	Caller	File and line number
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	Same as call in the line below.
19	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
18	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Helper/ModuleHelper.php:441
17	Joomla\CMS\Helper\ModuleHelper::getModuleList()	JROOT/libraries/src/Helper/ModuleHelper.php:371
16	Joomla\CMS\Helper\ModuleHelper::load()	JROOT/libraries/src/Helper/ModuleHelper.php:87
15	Joomla\CMS\Helper\ModuleHelper::getModules()	JROOT/plugins/content/loadmodule/loadmodule.php:169
14	PlgContentLoadmodule->_load()	JROOT/plugins/content/loadmodule/loadmodule.php:81
13	PlgContentLoadmodule->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
12	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
11	JEventDispatcher->trigger()	JROOT/components/com_content/views/article/view.html.php:193
10	ContentViewArticle->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:664
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_content/controller.php:118
8	ContentController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:702
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_content/content.php:43
6	require_once JROOT/components/com_content/content.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:51

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

17 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

2 × SELECT `id`,`name`,`rules`,`parent_id` 
  FROM `joom_assets`

2 × SELECT `extension_id` AS `id`,`element` AS `option`,`params`,`enabled` 
  FROM `joom_extensions`

1 × SELECT `data` 
  FROM `joom_session`

1 × SELECT id, rules 
  FROM `joom_viewlevels

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

1 × SELECT `folder` AS `type`,`element` AS `name`,`params` AS `params`,`extension_id` AS `id` 
  FROM joom_extensions

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 joom_menu AS m 
  LEFT JOIN joom_extensions AS e 
  ON m.component_id = e.extension_id

```
1 × SELECT * 
  FROM joom_languages
```

1 × SELECT id, home, template, s.params 
  FROM joom_template_styles as s 
  LEFT JOIN joom_extensions as e 
  ON e.element=s.template 
  AND e.type='template' 
  AND e.client_id=s.client_id

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 joom_content AS a 
  INNER JOIN joom_categories AS c 
  on c.id = a.catid 
  LEFT JOIN joom_users AS u 
  on u.id = a.created_by 
  LEFT JOIN joom_categories as parent 
  ON parent.id = c.parent_id 
  LEFT JOIN joom_content_rating AS v 
  ON a.id = v.content_id

1 × SELECT `m`.`tag_id`,`t`.* 
  FROM `joom_contentitem_tag_map` AS m  
  INNER JOIN `joom_tags` AS t  
  ON `m`.`tag_id` = `t`.`id`

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

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 joom_fields AS a 
  LEFT JOIN `joom_languages` AS l 
  ON l.lang_code = a.language 
  LEFT JOIN joom_users AS uc 
  ON uc.id=a.checked_out 
  LEFT JOIN joom_viewlevels AS ag 
  ON ag.id = a.access 
  LEFT JOIN joom_users AS ua 
  ON ua.id = a.created_user_id 
  LEFT JOIN joom_fields_groups AS g 
  ON g.id = a.group_id 
  LEFT JOIN `joom_fields_categories` AS fc 
  ON fc.field_id = a.id

1 × SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid 
  FROM joom_modules AS m 
  LEFT JOIN joom_modules_menu AS mm 
  ON mm.moduleid = m.id 
  LEFT JOIN joom_extensions AS e 
  ON e.element = m.module 
  AND e.client_id = m.client_id

OTHER Tables:

1 × UPDATE `joom_extensions` 
  SET `params` = '{\"mediaversion\":\"ed83a26f8c973a4bea91c5fcc23dec70\"}'

1 × SHOW FULL COLUMNS 
  FROM `joom_content

1 × UPDATE joom_content 
  SET `hits` = (`hits` + 1)

Certified LOPA Specialist

Requirements for CLS®

Academic Qualifications

Experience

Work Product

Training

References

Examination

Recertification

Other Certifications

Joomla! Debug Console

Session

Profile Information

Time

Memory

Memory Usage

Database Queries

19 Queries Logged 16.80 ms

17 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

OTHER Tables:

Requirements for CLS^®