Clive Ruggles

Archaeoastronomy

… is the study of beliefs and practices relating to the sky in the past, especially in prehistory, and the uses to which people's know- ledge of the skies was put.

Journals

Professional bodies

Free software tools

Basic declination calculator

HORIZON
by Andrew Smith

See the Tools page for more info

Books

Springer Handbook (2014):

Ocarina Books publishes and distributes books relating to archaeo- and ethnoastronomy

Publications

This list of my books and selected papers and articles contains links and downloadable copies where available.

Astronomical heritage

Portal to the Heritage of Astronomy

Read more on the UNESCO–IAU Portal to the Heritage of Astronomy and about astronomical heritage in general

Free downloads

ICOMOS–IAU Thematic Studies on Astronomical Heritage
	No. 1 (2010): See here for more information or click here to download a copy directly (46 Mb)
	No. 2 (2017): See here for more information or click here to download a copy (19 Mb)

	Astronomical World Heritage Download a copy of an article published in A&G (Aug 2019 issue)
	Stonehenge and Ancient Astronomy Download a copy of the Royal Astronomical Society’s factsheet

Alice Ruggles Trust

Alice Ruggles 1991–2016 If you are looking for things related to Alice and/or information about stalking, please visit the Alice Ruggles Trust website

Joomla! Debug Console

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Profile Information

Time

Memory

Time: 34.79 ms / 34.79 ms Memory: 2.619 MB / 2.99 MB Application: afterLoad

Time: 128.26 ms / 163.04 ms Memory: 4.725 MB / 7.71 MB Application: afterInitialise

Time: 11.41 ms / 174.45 ms Memory: 0.630 MB / 8.34 MB Application: afterRoute

Time: 42.10 ms / 216.56 ms Memory: 0.274 MB / 8.62 MB Application: beforeRenderComponent com_users

Time: 28.12 ms / 244.67 ms Memory: 1.485 MB / 10.10 MB Application: afterRenderComponent com_users

Time: 0.79 ms / 245.46 ms Memory: 0.005 MB / 10.11 MB Application: afterDispatch

Time: 4.64 ms / 250.10 ms Memory: 0.151 MB / 10.26 MB Application: beforeRenderModule mod_custom (Astronomical heritage)

Time: 0.88 ms / 250.98 ms Memory: 0.041 MB / 10.30 MB Application: afterRenderModule mod_custom (Astronomical heritage)

Time: 0.03 ms / 251.01 ms Memory: -0.002 MB / 10.30 MB Application: beforeRenderModule mod_custom (Free downloads)

Time: 0.29 ms / 251.30 ms Memory: 0.004 MB / 10.30 MB Application: afterRenderModule mod_custom (Free downloads)

Time: 0.03 ms / 251.33 ms Memory: 0.007 MB / 10.31 MB Application: beforeRenderModule mod_custom (Alice Ruggles Trust)

Time: 0.25 ms / 251.58 ms Memory: 0.003 MB / 10.31 MB Application: afterRenderModule mod_custom (Alice Ruggles Trust)

Time: 0.05 ms / 251.63 ms Memory: -0.000 MB / 10.31 MB Application: beforeRenderModule mod_custom (Archaeoastronomy)

Time: 0.26 ms / 251.88 ms Memory: 0.003 MB / 10.31 MB Application: afterRenderModule mod_custom (Archaeoastronomy)

Time: 0.02 ms / 251.91 ms Memory: -0.001 MB / 10.31 MB Application: beforeRenderModule mod_custom (Publications)

Time: 0.24 ms / 252.15 ms Memory: 0.003 MB / 10.32 MB Application: afterRenderModule mod_custom (Publications)

Time: 0.06 ms / 252.21 ms Memory: 0.008 MB / 10.32 MB Application: beforeRenderModule mod_menu (Main Menu)

Time: 2.37 ms / 254.58 ms Memory: 0.106 MB / 10.43 MB Application: afterRenderModule mod_menu (Main Menu)

Time: 0.05 ms / 254.63 ms Memory: -0.004 MB / 10.43 MB Application: beforeRenderModule mod_custom (Headertext)

Time: 0.28 ms / 254.91 ms Memory: 0.004 MB / 10.43 MB Application: afterRenderModule mod_custom (Headertext)

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Database queries total: 83.87 ms

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	jms_session	const	PRIMARY	PRIMARY	194	const	1

#	Caller	File and line number
16	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1740
15	JDatabaseDriver->loadResult()	JROOT\libraries\joomla\session\storage\database.php:45
14	JSessionStorageDatabase->read()	Same as call in the line below.
13	session_start()	JROOT\libraries\joomla\session\handler\native.php:260
12	JSessionHandlerNative->doSessionStart()	JROOT\libraries\joomla\session\handler\native.php:50
11	JSessionHandlerNative->start()	JROOT\libraries\joomla\session\handler\joomla.php:88
10	JSessionHandlerJoomla->start()	JROOT\libraries\src\Session\Session.php:661
9	Joomla\CMS\Session\Session->_start()	JROOT\libraries\src\Session\Session.php:621
8	Joomla\CMS\Session\Session->start()	JROOT\libraries\src\Session\Session.php:499
7	Joomla\CMS\Session\Session->get()	JROOT\libraries\src\Session\Session.php:456
6	Joomla\CMS\Session\Session->isNew()	JROOT\libraries\src\Application\CMSApplication.php:826
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT\libraries\src\Application\CMSApplication.php:136
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT\libraries\src\Application\SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT\libraries\src\Application\CMSApplication.php:386
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT\libraries\src\Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT\index.php:46

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

#	Caller	File and line number
9	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1740
8	JDatabaseDriver->loadResult()	JROOT\libraries\src\Session\MetadataManager.php:74
7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT\libraries\src\Application\CMSApplication.php:154
6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT\libraries\src\Application\CMSApplication.php:828
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT\libraries\src\Application\CMSApplication.php:136
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT\libraries\src\Application\SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT\libraries\src\Application\CMSApplication.php:386
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT\libraries\src\Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT\index.php:46

EXPLAIN not possible on query: INSERT INTO `jms_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (X'7233346c32303337756a64656563713776336d69693467377361', 1, 1701847249, 0, '', 0)

Profile

Status	Duration
Starting	0.07 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init for update	0.02 ms
Update	0.14 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	36.84 ms
Writing to binlog	0.01 ms
Commit	0.01 ms
closing tables	0.01 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.09 ms
Reset for next command	0.01 ms

Call Stack

#	Caller	File and line number
8	JDatabaseDriverMysqli->execute()	JROOT\libraries\src\Session\MetadataManager.php:116
7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT\libraries\src\Application\CMSApplication.php:154
6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT\libraries\src\Application\CMSApplication.php:828
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT\libraries\src\Application\CMSApplication.php:136
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT\libraries\src\Application\SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT\libraries\src\Application\CMSApplication.php:386
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT\libraries\src\Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT\index.php:46

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

Query Time: 2.03 ms After last query: 7.90 ms Query memory: 0.024 MB Memory before query: 4.881 MB Rows returned: 32

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

  FROM `jms_extensions`

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

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	jms_extensions	ref	extension	extension	82	const	38	Using index condition; Using where

Profile

Status	Duration
Starting	0.07 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.03 ms
Optimizing	0.03 ms
Statistics	0.09 ms
Preparing	0.04 ms
Executing	0.01 ms
Sending data	0.43 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.01 ms
Freeing items	0.01 ms
Updating status	0.09 ms
Reset for next command	0.01 ms

Call Stack

#	Caller	File and line number
12	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1701
11	JDatabaseDriver->loadObjectList()	JROOT\libraries\src\Component\ComponentHelper.php:445
10	Joomla\CMS\Component\ComponentHelper::Joomla\CMS\Component\{closure}()	Same as call in the line below.
9	call_user_func_array()	JROOT\libraries\src\Cache\Controller\CallbackController.php:173
8	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT\libraries\src\Component\ComponentHelper.php:453
7	Joomla\CMS\Component\ComponentHelper::load()	JROOT\libraries\src\Component\ComponentHelper.php:519
6	Joomla\CMS\Component\ComponentHelper::getComponents()	JROOT\libraries\src\Component\ComponentHelper.php:44
5	Joomla\CMS\Component\ComponentHelper::getComponent()	JROOT\libraries\src\Component\ComponentHelper.php:103
4	Joomla\CMS\Component\ComponentHelper::getParams()	JROOT\libraries\src\Application\SiteApplication.php:594
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT\libraries\src\Application\SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT\libraries\src\Application\CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT\index.php:49

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

Query Time: 0.78 ms After last query: 4.00 ms Query memory: 0.021 MB Memory before query: 5.068 MB Rows returned: 5

SELECT id, rules

  FROM `jms_viewlevels`

Explain

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

Profile

Status	Duration
Starting	0.05 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.02 ms
Optimizing	0.01 ms
Statistics	0.02 ms
Preparing	0.02 ms
Executing	0.00 ms
Sending data	0.06 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.09 ms
Reset for next command	0.01 ms

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1506
9	JDatabaseDriver->loadAssocList()	JROOT\libraries\src\Access\Access.php:1063
8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT\libraries\src\User\User.php:466
7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT\libraries\src\Plugin\PluginHelper.php:318
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT\libraries\src\Plugin\PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT\libraries\src\Plugin\PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT\libraries\src\Application\SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT\libraries\src\Application\SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT\libraries\src\Application\CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT\index.php:49

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

Query Time: 1.00 ms After last query: 0.18 ms Query memory: 0.021 MB Memory before query: 5.080 MB Rows returned: 2

SELECT b.id

  FROM jms_usergroups AS a

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

  WHERE a.id = 9

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	a	const	PRIMARY	PRIMARY	4	const	1
1	SIMPLE	b	range	idx_usergroup_nested_set_lookup	idx_usergroup_nested_set_lookup	4	NULL	2	Using where; Using index

Profile

Status	Duration
Starting	0.07 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.03 ms
Optimizing	0.03 ms
Statistics	0.10 ms
Preparing	0.01 ms
Unlocking tables	0.01 ms
Preparing	0.04 ms
Executing	0.01 ms
Sending data	0.05 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.09 ms
Reset for next command	0.01 ms

Call Stack

#	Caller	File and line number
11	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1550
10	JDatabaseDriver->loadColumn()	JROOT\libraries\src\Access\Access.php:980
9	Joomla\CMS\Access\Access::getGroupsByUser()	JROOT\libraries\src\Access\Access.php:1095
8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT\libraries\src\User\User.php:466
7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT\libraries\src\Plugin\PluginHelper.php:318
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT\libraries\src\Plugin\PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT\libraries\src\Plugin\PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT\libraries\src\Application\SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT\libraries\src\Application\SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT\libraries\src\Application\CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT\index.php:49

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

Query Time: 1.79 ms After last query: 1.50 ms Query memory: 0.024 MB Memory before query: 5.149 MB Rows returned: 43

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

  FROM jms_extensions

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

  ORDER BY ordering

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	jms_extensions	ALL	extension	NO INDEX KEY COULD BE USED	NULL	NULL	209	Using where; Using filesort

Profile

Status	Duration
Starting	0.09 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.04 ms
Optimizing	0.03 ms
Statistics	0.08 ms
Preparing	0.03 ms
Sorting result	0.01 ms
Executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.66 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.09 ms
Reset for next command	0.01 ms

Call Stack

#	Caller	File and line number
11	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1701
10	JDatabaseDriver->loadObjectList()	JROOT\libraries\src\Plugin\PluginHelper.php:351
9	Joomla\CMS\Plugin\PluginHelper::Joomla\CMS\Plugin\{closure}()	Same as call in the line below.
8	call_user_func_array()	JROOT\libraries\src\Cache\Controller\CallbackController.php:173
7	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT\libraries\src\Plugin\PluginHelper.php:356
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT\libraries\src\Plugin\PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT\libraries\src\Plugin\PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT\libraries\src\Application\SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT\libraries\src\Application\SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT\libraries\src\Application\CMSApplication.php:225
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT\index.php:49

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

Query Time: 1.74 ms After last query: 29.42 ms Query memory: 0.043 MB Memory before query: 7.899 MB Rows returned: 9

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 jms_menu AS m

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

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

  ORDER BY m.lft

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	m	ref	idx_client_id_parent_id_alias_language	idx_client_id_parent_id_alias_language	1	const	9	Using index condition; Using where; Using filesort
1	SIMPLE	e	eq_ref	PRIMARY	PRIMARY	4	jms_ruggles_clive.m.component_id	1	Using where

Profile

Status	Duration
Starting	0.12 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.05 ms
Optimizing	0.03 ms
Statistics	0.09 ms
Preparing	0.05 ms
Sorting result	0.02 ms
Executing	0.00 ms
Sending data	0.03 ms
Creating sort index	0.28 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.10 ms
Reset for next command	0.01 ms

Call Stack

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

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

Query Time: 1.05 ms After last query: 7.71 ms Query memory: 0.023 MB Memory before query: 8.378 MB Rows returned: 1

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

  FROM `jms_extensions`

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

Explain

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

Profile

Status	Duration
Starting	0.07 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.00 ms
table lock	0.01 ms
init	0.03 ms
Optimizing	0.03 ms
Statistics	0.12 ms
Preparing	0.04 ms
Executing	0.00 ms
Sending data	0.07 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.10 ms
Reset for next command	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:49

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

Query Time: 31.55 ms After last query: 0.27 ms Query memory: 0.005 MB Memory before query: 8.369 MB

UPDATE `jms_extensions`

  SET `params` = '{\"mediaversion\":\"0926045fd9afe5b9abbf251e025946c6\"}'

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

Explain

EXPLAIN not possible on query: UPDATE `jms_extensions` SET `params` = '{\"mediaversion\":\"0926045fd9afe5b9abbf251e025946c6\"}' WHERE `type` = 'library' AND `element` = 'joomla'

Profile

Status	Duration
Starting	0.06 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.00 ms
table lock	0.01 ms
init for update	0.12 ms
Updating	0.12 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	30.57 ms
Writing to binlog	0.01 ms
Commit	0.01 ms
closing tables	0.01 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.01 ms
Freeing items	0.01 ms
Updating status	0.10 ms
Reset for next command	0.01 ms

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT\libraries\src\Helper\LibraryHelper.php:117
9	Joomla\CMS\Helper\LibraryHelper::saveParams()	JROOT\libraries\src\Version.php:372
8	Joomla\CMS\Version->setMediaVersion()	JROOT\libraries\src\Version.php:331
7	Joomla\CMS\Version->getMediaVersion()	JROOT\libraries\src\Factory.php:778
6	Joomla\CMS\Factory::createDocument()	JROOT\libraries\src\Factory.php:234
5	Joomla\CMS\Factory::getDocument()	JROOT\libraries\src\Application\WebApplication.php: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:49

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

Query Time: 1.04 ms After last query: 5.46 ms Query memory: 0.019 MB Memory before query: 8.604 MB Rows returned: 1

SELECT *

  FROM jms_languages

  WHERE published=1

  ORDER BY ordering ASC

Explain

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

Profile

Status	Duration
Starting	0.06 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.04 ms
Optimizing	0.03 ms
Statistics	0.03 ms
Preparing	0.03 ms
Sorting result	0.01 ms
Executing	0.00 ms
Sending data	0.02 ms
Creating sort index	0.09 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.10 ms
Reset for next command	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:49

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

Query Time: 1.23 ms After last query: 0.57 ms Query memory: 0.019 MB Memory before query: 8.612 MB Rows returned: 3

SELECT id, home, template, s.params

  FROM jms_template_styles as s

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

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

Explain

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

Profile

Status	Duration
Starting	0.09 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.04 ms
Optimizing	0.04 ms
Statistics	0.14 ms
Preparing	0.06 ms
Executing	0.01 ms
Sending data	0.14 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.01 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.10 ms
Reset for next command	0.02 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:49

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

Query Time: 2.14 ms After last query: 30.40 ms Query memory: 0.024 MB Memory before query: 10.229 MB Rows returned: 7

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

  FROM jms_modules AS m

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

  LEFT JOIN jms_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 <= '2023-12-06 07:20:49') 
  AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2023-12-06 07:20:49') 
  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

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	m	ref	PRIMARY,published,newsfeeds	published	1	const	10	Using index condition; Using where; Using filesort
1	SIMPLE	mm	ref	PRIMARY	PRIMARY	4	jms_ruggles_clive.m.id	1	Using where; Using index
1	SIMPLE	e	ref	element_clientid,element_folder_clientid	element_clientid	403	jms_ruggles_clive.m.module,const	1	Using index condition; Using where

Profile

Status	Duration
Starting	0.15 ms
checking permissions	0.01 ms
Opening tables	0.03 ms
After opening tables	0.01 ms
System lock	0.01 ms
table lock	0.01 ms
init	0.07 ms
Optimizing	0.07 ms
Statistics	0.15 ms
Preparing	0.09 ms
Sorting result	0.03 ms
Executing	0.01 ms
Sending data	0.02 ms
Creating sort index	0.40 ms
End of update loop	0.01 ms
Query end	0.00 ms
Commit	0.01 ms
closing tables	0.00 ms
Unlocking tables	0.00 ms
closing tables	0.01 ms
Starting cleanup	0.00 ms
Freeing items	0.01 ms
Updating status	0.10 ms
Reset for next command	0.02 ms

Call Stack

#	Caller	File and line number
15	JDatabaseDriverMysqli->execute()	JROOT\libraries\joomla\database\driver.php:1701
14	JDatabaseDriver->loadObjectList()	Same as call in the line below.
13	call_user_func_array()	JROOT\libraries\src\Cache\Controller\CallbackController.php:173
12	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT\libraries\src\Helper\ModuleHelper.php:441
11	Joomla\CMS\Helper\ModuleHelper::getModuleList()	JROOT\libraries\src\Helper\ModuleHelper.php:371
10	Joomla\CMS\Helper\ModuleHelper::load()	JROOT\libraries\src\Helper\ModuleHelper.php:87
9	Joomla\CMS\Helper\ModuleHelper::getModules()	JROOT\libraries\src\Document\HtmlDocument.php:601
8	Joomla\CMS\Document\HtmlDocument->countModules()	JROOT\templates\cliveruggles.com\index.php:108
7	require JROOT\templates\cliveruggles.com\index.php	JROOT\libraries\src\Document\HtmlDocument.php:678
6	Joomla\CMS\Document\HtmlDocument->_loadTemplate()	JROOT\libraries\src\Document\HtmlDocument.php:740
5	Joomla\CMS\Document\HtmlDocument->_fetchTemplate()	JROOT\libraries\src\Document\HtmlDocument.php:555
4	Joomla\CMS\Document\HtmlDocument->parse()	JROOT\libraries\src\Application\CMSApplication.php:1098
3	Joomla\CMS\Application\CMSApplication->render()	JROOT\libraries\src\Application\SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT\libraries\src\Application\CMSApplication.php:231
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT\index.php:49

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

12 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

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

1 × SELECT `data`
 
  FROM `jms_session`

1 × SELECT `session_id`
 
  FROM `jms_session`

1 × SELECT id, rules
 
  FROM `jms_viewlevels

1 × SELECT b.id
 
  FROM jms_usergroups AS a
 
  LEFT JOIN jms_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 jms_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 jms_menu AS m
 
  LEFT JOIN jms_extensions AS e 
  ON m.component_id = e.extension_id

```
1 × SELECT *
 
  FROM jms_languages
```

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

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

OTHER Tables:

1 × INSERT INTO `jms_session`
 (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) 
  VALUES 
 (X'7233346c32303337756a64656563713776336d69693467377361', 1, 1701847249, 0, '', 0

1 × UPDATE `jms_extensions`
 
  SET `params` = '{\"mediaversion\":\"0926045fd9afe5b9abbf251e025946c6\"}'

Clive Ruggles

Archaeoastronomy

Free software tools

Books

Publications

Astronomical heritage

Free downloads

Alice Ruggles Trust

Joomla! Debug Console

Session

Profile Information

Time

Memory

Memory Usage

Database Queries

13 Queries Logged 83.87 ms

12 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

OTHER Tables: