Joomla! Debug Console

Session

{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1561375629,
                "last": 1561375629,
                "now": 1561375629
            },
            "token": "ryrQxV5TqHWvvBPpS6C0tdbNQLGtjaA3"
        },
        "registry": {},
        "user": {
            "id": 0,
            "name": null,
            "username": null,
            "email": null,
            "password": null,
            "password_clear": "",
            "block": null,
            "sendEmail": 0,
            "registerDate": null,
            "lastvisitDate": null,
            "activation": null,
            "params": null,
            "groups": [],
            "guest": 1,
            "lastResetTime": null,
            "resetCount": null,
            "requireReset": null,
            "aid": 0
        }
    }
}

Profile Information

Memory Usage

Database Queries

14 Queries Logged 212.96 ms

Query Time: 0.36 ms Query memory: 0.019 MB Memory before query: 2.978 MB Rows returned: 0

SELECT `data`

  FROM `qerl4_session`

  WHERE `session_id` = '3k6scq2ita7e31lq8ee73qe0d6'

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	qerl4_session	const	PRIMARY	PRIMARY	766	const	1

Profile

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

Call Stack

#	Caller	File and line number
14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1728
13	JDatabaseDriver->loadResult()	JROOT/libraries/joomla/session/storage/database.php:44
12	JSessionStorageDatabase->read()	Same as call in the line below.
11	session_start()	JROOT/libraries/joomla/session/handler/native.php:258
10	JSessionHandlerNative->doSessionStart()	JROOT/libraries/joomla/session/handler/native.php:49
9	JSessionHandlerNative->start()	JROOT/libraries/joomla/session/handler/joomla.php:81
8	JSessionHandlerJoomla->start()	JROOT/libraries/joomla/session/session.php:636
7	JSession->_start()	JROOT/libraries/joomla/session/session.php:596
6	JSession->start()	JROOT/libraries/cms/application/cms.php:748
5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:404
2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
1	JFactory::getApplication()	JROOT/index.php:46

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

Query Time: 124.51 ms After last query: 2.72 ms Query memory: 0.008 MB Memory before query: 3.185 MB

DELETE 

  FROM `qerl4_session`

  WHERE `time` < '1561374729'

Explain

EXPLAIN not possible on query: DELETE FROM `qerl4_session` WHERE `time` < '1561374729'

Profile

Status	Duration
starting	0.03 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
System lock	0.01 ms
init	0.06 ms
updating	0.15 ms
end	0.01 ms
Waiting for query cache lock	0.00 ms
end	0.01 ms
query end	124.02 ms
closing tables	0.02 ms
freeing items	0.02 ms
logging slow query	0.00 ms
cleaning up	0.00 ms

Call Stack

#	Caller	File and line number
6	JDatabaseDriverMysqli->execute()	JROOT/libraries/cms/application/cms.php:765
5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:404
2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
1	JFactory::getApplication()	JROOT/index.php:46

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

Query Time: 0.35 ms After last query: 0.29 ms Query memory: 0.012 MB Memory before query: 3.197 MB Rows returned: 0

SELECT `session_id`

  FROM `qerl4_session`

  WHERE `session_id` = '3k6scq2ita7e31lq8ee73qe0d6' 
  LIMIT 1

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	qerl4_session	const	PRIMARY	PRIMARY	766	const	1	Using index

Profile

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

Call Stack

#	Caller	File and line number
8	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1728
7	JDatabaseDriver->loadResult()	JROOT/libraries/cms/application/cms.php:176
6	JApplicationCms->checkSession()	JROOT/libraries/cms/application/cms.php:774
5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:404
2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
1	JFactory::getApplication()	JROOT/index.php:46

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

Query Time: 49.33 ms After last query: 0.19 ms Query memory: 0.009 MB Memory before query: 3.210 MB

INSERT INTO `qerl4_session`
(`session_id`, `client_id`, `time`) 
  VALUES 
('3k6scq2ita7e31lq8ee73qe0d6', 0, '1561375629')

Explain

EXPLAIN not possible on query: INSERT INTO `qerl4_session` (`session_id`, `client_id`, `time`) VALUES ('3k6scq2ita7e31lq8ee73qe0d6', 0, '1561375629')

Profile

Status	Duration
starting	0.03 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
System lock	0.01 ms
init	0.01 ms
update	0.04 ms
Waiting for query cache lock	0.00 ms
update	0.00 ms
end	0.00 ms
query end	49.01 ms
closing tables	0.02 ms
freeing items	0.02 ms
logging slow query	0.01 ms
cleaning up	0.00 ms

Call Stack

#	Caller	File and line number
7	JDatabaseDriverMysqli->execute()	JROOT/libraries/cms/application/cms.php:208
6	JApplicationCms->checkSession()	JROOT/libraries/cms/application/cms.php:774
5	JApplicationCms->loadSession()	JROOT/libraries/cms/application/cms.php:131
4	JApplicationCms->__construct()	JROOT/libraries/cms/application/site.php:63
3	JApplicationSite->__construct()	JROOT/libraries/cms/application/cms.php:404
2	JApplicationCms::getInstance()	JROOT/libraries/joomla/factory.php:125
1	JFactory::getApplication()	JROOT/index.php:46

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

Query Time: 0.58 ms After last query: 4.50 ms Query memory: 0.017 MB Memory before query: 3.580 MB Rows returned: 31

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

  FROM qerl4_extensions

  WHERE `type` = 'component'

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	qerl4_extensions	ref	extension	extension	82	const	31	Using where

Profile

Status	Duration
starting	0.04 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
System lock	0.01 ms
init	0.02 ms
optimizing	0.01 ms
statistics	0.05 ms
preparing	0.01 ms
executing	0.00 ms
Sending data	0.21 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.00 ms
cleaning up	0.00 ms

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1689
9	JDatabaseDriver->loadObjectList()	Same as call in the line below.
8	call_user_func_array()	JROOT/libraries/joomla/cache/controller/callback.php:152
7	JCacheControllerCallback->get()	JROOT/libraries/cms/component/helper.php:448
6	JComponentHelper::load()	JROOT/libraries/cms/component/helper.php:43
5	JComponentHelper::getComponent()	JROOT/libraries/cms/component/helper.php:120
4	JComponentHelper::getParams()	JROOT/libraries/cms/application/site.php:584
3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.40 ms After last query: 3.35 ms Query memory: 0.014 MB Memory before query: 3.783 MB Rows returned: 2

SELECT b.id

  FROM qerl4_usergroups AS a

  LEFT JOIN qerl4_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	3	Using where; Using index

Profile

Status	Duration
starting	0.04 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
System lock	0.01 ms
init	0.02 ms
optimizing	0.01 ms
statistics	0.05 ms
preparing	0.02 ms
executing	0.00 ms
Sending data	0.03 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.00 ms
cleaning up	0.00 ms

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1538
9	JDatabaseDriver->loadColumn()	JROOT/libraries/joomla/access/access.php:852
8	JAccess::getGroupsByUser()	JROOT/libraries/joomla/access/access.php:921
7	JAccess::getAuthorisedViewLevels()	JROOT/libraries/joomla/user/user.php:453
6	JUser->getAuthorisedViewLevels()	JROOT/libraries/cms/plugin/helper.php:296
5	JPluginHelper::load()	JROOT/libraries/cms/plugin/helper.php:163
4	JPluginHelper::importPlugin()	JROOT/libraries/cms/application/site.php:589
3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.35 ms After last query: 1.01 ms Query memory: 0.013 MB Memory before query: 3.840 MB Rows returned: 5

SELECT id, rules

  FROM `qerl4_viewlevels`

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	qerl4_viewlevels	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	5

Profile

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

Call Stack

#	Caller	File and line number
9	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1494
8	JDatabaseDriver->loadAssocList()	JROOT/libraries/joomla/access/access.php:938
7	JAccess::getAuthorisedViewLevels()	JROOT/libraries/joomla/user/user.php:453
6	JUser->getAuthorisedViewLevels()	JROOT/libraries/cms/plugin/helper.php:296
5	JPluginHelper::load()	JROOT/libraries/cms/plugin/helper.php:163
4	JPluginHelper::importPlugin()	JROOT/libraries/cms/application/site.php:589
3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.94 ms After last query: 0.36 ms Query memory: 0.012 MB Memory before query: 3.859 MB Rows returned: 42

SELECT folder AS type, element AS name, params

  FROM qerl4_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	qerl4_extensions	ref	extension	extension	82	const	55	Using where; Using filesort

Profile

Status	Duration
starting	0.05 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
System lock	0.01 ms
init	0.02 ms
optimizing	0.01 ms
statistics	0.04 ms
preparing	0.02 ms
executing	0.00 ms
Sorting result	0.27 ms
Sending data	0.26 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.00 ms
cleaning up	0.00 ms

Call Stack

#	Caller	File and line number
7	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1689
6	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/plugin/helper.php:310
5	JPluginHelper::load()	JROOT/libraries/cms/plugin/helper.php:163
4	JPluginHelper::importPlugin()	JROOT/libraries/cms/application/site.php:589
3	JApplicationSite->initialiseApp()	JROOT/libraries/cms/application/site.php:209
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.54 ms After last query: 18.61 ms Query memory: 0.026 MB Memory before query: 5.165 MB Rows returned: 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 qerl4_menu AS m

  LEFT JOIN qerl4_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	range	idx_client_id_parent_id_alias_language	idx_client_id_parent_id_alias_language	5	NULL	1	Using where; Using filesort
1	SIMPLE	e	eq_ref	PRIMARY	PRIMARY	4	wdwc_regfff.m.component_id	1

Profile

Status	Duration
starting	0.08 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
System lock	0.01 ms
init	0.04 ms
optimizing	0.02 ms
statistics	0.05 ms
preparing	0.02 ms
executing	0.00 ms
Sorting result	0.05 ms
Sending data	0.06 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.00 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1689
15	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/menu/site.php:86
14	JMenuSite->load()	JROOT/libraries/cms/menu/menu.php:74
13	JMenu->__construct()	JROOT/libraries/cms/menu/site.php:57
12	JMenuSite->__construct()	JROOT/libraries/cms/menu/menu.php:133
11	JMenu::getInstance()	JROOT/libraries/cms/application/cms.php:435
10	JApplicationCms->getMenu()	JROOT/libraries/cms/application/site.php:272
9	JApplicationSite->getMenu()	JROOT/libraries/cms/router/site.php:57
8	JRouterSite->__construct()	JROOT/libraries/cms/router/router.php:196
7	JRouter::getInstance()	JROOT/libraries/cms/application/cms.php:531
6	JApplicationCms::getRouter()	JROOT/libraries/cms/application/site.php:407
5	JApplicationSite::getRouter()	JROOT/libraries/cms/application/cms.php:1097
4	JApplicationCms->route()	JROOT/libraries/cms/application/site.php:763
3	JApplicationSite->route()	JROOT/libraries/cms/application/site.php:215
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.41 ms After last query: 1.61 ms Query memory: 0.019 MB Memory before query: 5.312 MB Rows returned: 1

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

  FROM qerl4_extensions

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

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	qerl4_extensions	ref	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	Using where

Profile

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

Call Stack

#	Caller	File and line number
14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1650
13	JDatabaseDriver->loadObject()	Same as call in the line below.
12	call_user_func_array()	JROOT/libraries/joomla/cache/controller/callback.php:152
11	JCacheControllerCallback->get()	JROOT/libraries/cms/library/helper.php:156
10	JLibraryHelper::_load()	JROOT/libraries/cms/library/helper.php:47
9	JLibraryHelper::getLibrary()	JROOT/libraries/cms/library/helper.php:90
8	JLibraryHelper::getParams()	JROOT/libraries/cms/version/version.php:274
7	JVersion->getMediaVersion()	JROOT/libraries/joomla/factory.php:755
6	JFactory::createDocument()	JROOT/libraries/joomla/factory.php:216
5	JFactory::getDocument()	JROOT/libraries/joomla/application/web.php:991
4	JApplicationWeb->loadDocument()	JROOT/libraries/cms/application/site.php:130
3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 33.92 ms After last query: 0.33 ms Query memory: 0.013 MB Memory before query: 5.315 MB

UPDATE `qerl4_extensions`

  SET `params` = '{\"mediaversion\":\"8325141ef2b463569ac9b45c99d5aff4\"}'

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

Explain

EXPLAIN not possible on query: UPDATE `qerl4_extensions` SET `params` = '{\"mediaversion\":\"8325141ef2b463569ac9b45c99d5aff4\"}' WHERE `type` = 'library' AND `element` = 'joomla'

Profile

Status	Duration
starting	0.04 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
System lock	0.01 ms
init	0.08 ms
Updating	0.07 ms
end	0.01 ms
Waiting for query cache lock	0.00 ms
end	0.01 ms
query end	33.57 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.01 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
10	JDatabaseDriverMysqli->execute()	JROOT/libraries/cms/library/helper.php:119
9	JLibraryHelper::saveParams()	JROOT/libraries/cms/version/version.php:325
8	JVersion->setMediaVersion()	JROOT/libraries/cms/version/version.php:284
7	JVersion->getMediaVersion()	JROOT/libraries/joomla/factory.php:755
6	JFactory::createDocument()	JROOT/libraries/joomla/factory.php:216
5	JFactory::getDocument()	JROOT/libraries/joomla/application/web.php:991
4	JApplicationWeb->loadDocument()	JROOT/libraries/cms/application/site.php:130
3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.32 ms After last query: 3.92 ms Query memory: 0.014 MB Memory before query: 5.567 MB Rows returned: 1

SELECT *

  FROM qerl4_languages

  WHERE published=1

  ORDER BY ordering ASC

Explain

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	qerl4_languages	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	1	Using where; Using filesort

Profile

Status	Duration
starting	0.03 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
System lock	0.01 ms
init	0.02 ms
optimizing	0.01 ms
statistics	0.01 ms
preparing	0.01 ms
executing	0.00 ms
Sorting result	0.03 ms
Sending data	0.06 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.01 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
7	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1689
6	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/language/helper.php:164
5	JLanguageHelper::getLanguages()	JROOT/libraries/cms/application/site.php:329
4	JApplicationSite->getParams()	JROOT/libraries/cms/application/site.php:135
3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.40 ms After last query: 0.61 ms Query memory: 0.010 MB Memory before query: 5.588 MB Rows returned: 2

SELECT id, home, template, s.params

  FROM qerl4_template_styles as s

  LEFT JOIN qerl4_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	ALL	idx_template	NO INDEX KEY COULD BE USED	NULL	NULL	4	Using where
1	SIMPLE	e	ref	element_clientid,element_folder_clientid,extension	element_clientid	403	wdwc_regfff.s.template,const	1	Using where

Profile

Status	Duration
starting	0.05 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
System lock	0.01 ms
init	0.02 ms
optimizing	0.02 ms
statistics	0.05 ms
preparing	0.02 ms
executing	0.00 ms
Sending data	0.09 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.01 ms
cleaning up	0.01 ms

Call Stack

#	Caller	File and line number
6	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1689
5	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/application/site.php:484
4	JApplicationSite->getTemplate()	JROOT/libraries/cms/application/site.php:165
3	JApplicationSite->dispatch()	JROOT/libraries/cms/application/site.php:230
2	JApplicationSite->doExecute()	JROOT/libraries/cms/application/cms.php:257
1	JApplicationCms->execute()	JROOT/index.php:49

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

Query Time: 0.56 ms After last query: 49.11 ms Query memory: 0.020 MB Memory before query: 7.957 MB Rows returned: 3

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

  FROM qerl4_modules AS m

  LEFT JOIN qerl4_modules_menu AS mm 
  ON mm.moduleid = m.id

  LEFT JOIN qerl4_extensions AS e 
  ON e.element = m.module 
  AND e.client_id = m.client_id

  WHERE m.published = 1 
  AND e.enabled = 1 
  AND (m.publish_up = '0000-00-00 00:00:00' OR m.publish_up <= '2019-06-24 11:27:09') 
  AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2019-06-24 11:27:09') 
  AND m.access IN (1,1,5) 
  AND m.client_id = 0 
  AND (mm.menuid = 0 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	5	Using where; Using filesort
1	SIMPLE	mm	ref	PRIMARY	PRIMARY	4	wdwc_regfff.m.id	1	Using where; Using index
1	SIMPLE	e	ref	element_clientid,element_folder_clientid	element_clientid	403	wdwc_regfff.m.module,const	1	Using where

Profile

Status	Duration
starting	0.10 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.01 ms
Opening tables	0.02 ms
System lock	0.01 ms
init	0.04 ms
optimizing	0.02 ms
statistics	0.07 ms
preparing	0.03 ms
executing	0.00 ms
Sorting result	0.07 ms
Sending data	0.08 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.02 ms
logging slow query	0.00 ms
cleaning up	0.00 ms

Call Stack

#	Caller	File and line number
13	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1689
12	JDatabaseDriver->loadObjectList()	JROOT/libraries/cms/module/helper.php:409
11	JModuleHelper::getModuleList()	JROOT/libraries/cms/module/helper.php:352
10	JModuleHelper::load()	JROOT/libraries/cms/module/helper.php:84
9	JModuleHelper::getModules()	JROOT/libraries/joomla/document/html.php:501
8	JDocumentHtml->countModules()	JROOT/templates/protostar/index.php:94
7	require JROOT/templates/protostar/index.php	JROOT/libraries/joomla/document/html.php:578
6	JDocumentHtml->_loadTemplate()	JROOT/libraries/joomla/document/html.php:640
5	JDocumentHtml->_fetchTemplate()	JROOT/libraries/joomla/document/html.php:455
4	JDocumentHtml->parse()	JROOT/libraries/cms/application/cms.php:1054
3	JApplicationCms->render()	JROOT/libraries/cms/application/site.php:745
2	JApplicationSite->render()	JROOT/libraries/cms/application/cms.php:263
1	JApplicationCms->execute()	JROOT/index.php:49

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

13 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

2 × SELECT extension_id AS id, element AS "option", params, enabled 
  FROM qerl4_extensions

```
1 × SELECT * 
  FROM qerl4_languages
```

1 × SELECT id, home, template, s.params 
  FROM qerl4_template_styles as s 
  LEFT JOIN qerl4_extensions as e 
  ON e.element=s.template 
  AND e.type='template' 
  AND e.client_id=s.client_id

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 qerl4_menu AS m 
  LEFT JOIN qerl4_extensions AS e 
  ON m.component_id = e.extension_id

1 × SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid 
  FROM qerl4_modules AS m 
  LEFT JOIN qerl4_modules_menu AS mm 
  ON mm.moduleid = m.id 
  LEFT JOIN qerl4_extensions AS e 
  ON e.element = m.module 
  AND e.client_id = m.client_id

1 × SELECT id, rules 
  FROM `qerl4_viewlevels

1 × SELECT `session_id` 
  FROM `qerl4_session`

1 × SELECT b.id 
  FROM qerl4_usergroups AS a 
  LEFT JOIN qerl4_usergroups AS b 
  ON b.lft <= a.lft 
  AND b.rgt >= a.rgt

1 × SELECT `data` 
  FROM `qerl4_session`

1 × SELECT folder AS type, element AS name, params 
  FROM qerl4_extensions

OTHER Tables:

1 × UPDATE `qerl4_extensions` 
  SET `params` = '{\"mediaversion\":\"8325141ef2b463569ac9b45c99d5aff4\"}'

1 × INSERT INTO `qerl4_session` (`session_id`, `client_id`, `time`) 
  VALUES  ('3k6scq2ita7e31lq8ee73qe0d6', 0, '1561375629'

```
1 × DELETE  
  FROM `qerl4_session`
```

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Joomla! Debug Console

Session

Profile Information

Time

Memory

Memory Usage

Database Queries

14 Queries Logged 212.96 ms

13 Query Types Logged, Sorted by Occurrences.

SELECT Tables:

OTHER Tables: