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高级的模型类

在此之前，我们的模型类一直都是继承自JModelLegacy这个类型，这是Joomla最基础的模型类型，其核心任务是完成MVC框架，在此基础上，Joomla还提供了更加高级的...

高级的控制器类

接上一节继续说，为了实现对数据的自动管理，除了改进模型，我们也同样需要改进控制器。在高级的控制器中，joomla已经实现了编辑，保存，删除，发布，停止发...

首页科技改变生活模块 - 在网页中引入图标

在这一节我们将实现科技改变生活这个模块，并且向大家介绍如何在网页中使用字体图标

首页科技产品 - 商品展示模块（模块的布局）

在这一节我们将实现科技产品这个模块，并且学习一些模块的常见的操作

首页添加滚动大图 - Revolution Slider

在网站的首页放上一个滚动的大图，几乎是一个常态，针对这个需求，joomla已经有很多的解决方案，其中最好的方案就是 Revolution Slider 。在本节我们将介绍如...

首页博客资讯 - 新闻轮播模块

在这一节我们将实现博客资讯这个模块

首页关于我们 - 自定义HTML模块

在这一节我们将实现关于我们这个模块

防止CSRF攻击

CSRF概念：CSRF跨站点请求伪造(Cross—Site Request Forgery)，跟XSS攻击一样，存在巨大的危害性，你可以这样来理解：攻击者盗用了你的身份，以你的名...

配置ECS安全组

阿里云服务器有自己的一套安全机制，默认情况下，如果我们不配置，可能根本就不能使用。在这一节中我们将介绍如何在阿里云ECS配置安全组。

选购服务器

本节就来简单的说明一下如何来选择一个性价比较好的服务器

第 1 页，总共 21 页

Joomla! 除错面板

会话

{
    "__default": {
        "session": {
            "counter": 1,
            "timer": {
                "start": 1631918000,
                "last": 1631918000,
                "now": 1631918000
            },
            "token": "j76TVEgfNnBMDbPW6IYaxfHw8fleVAT4"
        },
        "registry": {
            "zmaxlogin": {
                "login": {
                    "return": "http:\/\/www.joomlachina.cn\/articles\/tags\/2018-05-18-08-31-09"
                },
                "logout": {
                    "return": "http:\/\/www.joomlachina.cn\/articles\/tags\/2018-05-18-08-31-09"
                }
            }
        },
        "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
        }
    }
}

方案信息

时间

内存

时间: 13.46 ms / 13.46 ms 内存: 1.676 MB / 2.01 MB Application: afterLoad

时间: 51.91 ms / 65.37 ms 内存: 5.267 MB / 7.28 MB Application: afterInitialise

时间: 28.53 ms / 93.90 ms 内存: 2.196 MB / 9.48 MB Application: afterRoute

时间: 4.70 ms / 98.60 ms 内存: 0.286 MB / 9.76 MB Application: beforeRenderComponent com_tags

时间: 71.21 ms / 169.81 ms 内存: 3.126 MB / 12.89 MB Application: Before Access::preloadComponents (all components)

时间: 0.98 ms / 170.79 ms 内存: 0.091 MB / 12.98 MB Application: After Access::preloadComponents (all components)

时间: 0.04 ms / 170.83 ms 内存: 0.000 MB / 12.98 MB Application: Before Access::getAssetRules (id:174 name:com_tags)

时间: 0.52 ms / 171.35 ms 内存: 0.026 MB / 13.00 MB Application: After Access::getAssetRules (id:174 name:com_tags)

时间: 3.85 ms / 175.19 ms 内存: 0.005 MB / 13.01 MB Application: afterRenderComponent com_tags

时间: 2.00 ms / 177.20 ms 内存: 0.098 MB / 13.11 MB Application: afterDispatch

时间: 13.49 ms / 190.68 ms 内存: 0.553 MB / 13.66 MB Application: beforeRenderModule mod_custom (网站版权信息)

时间: 3.16 ms / 193.84 ms 内存: 0.067 MB / 13.72 MB Application: afterRenderModule mod_custom (网站版权信息)

时间: 0.03 ms / 193.87 ms 内存: 0.000 MB / 13.72 MB Application: beforeRenderModule mod_zmaxqqonline (QQ在线客服)

时间: 0.88 ms / 194.75 ms 内存: 0.031 MB / 13.75 MB Application: afterRenderModule mod_zmaxqqonline (QQ在线客服)

时间: 0.05 ms / 194.81 ms 内存: 0.005 MB / 13.76 MB Application: beforeRenderModule mod_menu (关于)

时间: 4.81 ms / 199.62 ms 内存: 0.115 MB / 13.87 MB Application: afterRenderModule mod_menu (关于)

时间: 0.05 ms / 199.67 ms 内存: 0.000 MB / 13.87 MB Application: beforeRenderModule mod_articles_categories ( 栏目列表)

时间: 23.81 ms / 223.47 ms 内存: 1.294 MB / 15.16 MB Application: afterRenderModule mod_articles_categories ( 栏目列表)

时间: 0.04 ms / 223.51 ms 内存: 0.005 MB / 15.17 MB Application: beforeRenderModule mod_search (快捷搜索)

时间: 0.97 ms / 224.48 ms 内存: 0.016 MB / 15.18 MB Application: afterRenderModule mod_search (快捷搜索)

时间: 0.03 ms / 224.51 ms 内存: 0.000 MB / 15.18 MB Application: beforeRenderModule mod_tags_popular ( 热门标签)

时间: 15.16 ms / 239.67 ms 内存: 0.092 MB / 15.27 MB Application: afterRenderModule mod_tags_popular ( 热门标签)

时间: 0.07 ms / 239.75 ms 内存: 0.000 MB / 15.25 MB Application: beforeRenderModule mod_breadcrumbs (顶部导航路径 )

时间: 1.12 ms / 240.87 ms 内存: 0.022 MB / 15.27 MB Application: afterRenderModule mod_breadcrumbs (顶部导航路径 )

时间: 0.05 ms / 240.92 ms 内存: 0.000 MB / 15.27 MB Application: beforeRenderModule mod_zmaxcustom (顶部广告)

时间: 0.41 ms / 241.33 ms 内存: 0.008 MB / 15.27 MB Application: afterRenderModule mod_zmaxcustom (顶部广告)

时间: 0.04 ms / 241.37 ms 内存: 0.001 MB / 15.27 MB Application: beforeRenderModule mod_zmaxloginpro (顶部登录)

时间: 1.30 ms / 242.68 ms 内存: 0.028 MB / 15.30 MB Application: afterRenderModule mod_zmaxloginpro (顶部登录)

时间: 0.05 ms / 242.73 ms 内存: 0.000 MB / 15.30 MB Application: beforeRenderModule mod_sj_flat_menu (顶部导航菜单)

时间: 3.14 ms / 245.86 ms 内存: 0.111 MB / 15.41 MB Application: afterRenderModule mod_sj_flat_menu (顶部导航菜单)

时间: 3.77 ms / 249.63 ms 内存: 0.390 MB / 15.80 MB Application: beforeRenderModule mod_zmaxcustom (官方QQ群)

时间: 0.38 ms / 250.01 ms 内存: 0.004 MB / 15.80 MB Application: afterRenderModule mod_zmaxcustom (官方QQ群)

时间: 48.07 ms / 298.08 ms 内存: 1.403 MB / 17.21 MB Application: afterRender

数据库查询总数： 70.29 ms

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

#	调用者	文件及行号
16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
15	JDatabaseDriver->loadResult()	JROOT/libraries/joomla/session/storage/database.php:45
14	JSessionStorageDatabase->read()	与下面行的调用一样
13	session_start()	JROOT/libraries/joomla/session/handler/native.php:260
12	JSessionHandlerNative->doSessionStart()	JROOT/libraries/joomla/session/handler/native.php:50
11	JSessionHandlerNative->start()	JROOT/libraries/joomla/session/handler/joomla.php:88
10	JSessionHandlerJoomla->start()	JROOT/libraries/src/Session/Session.php:660
9	Joomla\CMS\Session\Session->_start()	JROOT/libraries/src/Session/Session.php:620
8	Joomla\CMS\Session\Session->start()	JROOT/libraries/src/Session/Session.php:498
7	Joomla\CMS\Session\Session->get()	JROOT/libraries/src/Session/Session.php:455
6	Joomla\CMS\Session\Session->isNew()	JROOT/libraries/src/Application/CMSApplication.php:758
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:135
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:344
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:46

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

#	调用者	文件及行号
9	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
8	JDatabaseDriver->loadResult()	JROOT/libraries/src/Session/MetadataManager.php:74
7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT/libraries/src/Application/CMSApplication.php:153
6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:760
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:135
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:344
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:46

EXPLAIN 在 INSERT INTO `joomlachina_session` (`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES (X'6131676974383932677437716e37616b70626d326e3072347671', 1, 1631918000, 0, '', 0) 查询上无法执行

方案

Status	Duration
starting	0.03 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.01 ms
System lock	0.01 ms
update	0.06 ms
end	0.00 ms
query end	1.30 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
8	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Session/MetadataManager.php:116
7	Joomla\CMS\Session\MetadataManager->createRecordIfNonExisting()	JROOT/libraries/src/Application/CMSApplication.php:153
6	Joomla\CMS\Application\CMSApplication->checkSession()	JROOT/libraries/src/Application/CMSApplication.php:760
5	Joomla\CMS\Application\CMSApplication->loadSession()	JROOT/libraries/src/Application/CMSApplication.php:135
4	Joomla\CMS\Application\CMSApplication->__construct()	JROOT/libraries/src/Application/SiteApplication.php:66
3	Joomla\CMS\Application\SiteApplication->__construct()	JROOT/libraries/src/Application/CMSApplication.php:344
2	Joomla\CMS\Application\CMSApplication::getInstance()	JROOT/libraries/src/Factory.php:140
1	Joomla\CMS\Factory::getApplication()	JROOT/index.php:46

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.38 ms 在上次查询之后: 2.50 ms 查询内存： 0.036 MB ；查询前的内存： 3.917 MB 返回的行数： 59

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

  FROM `joomlachina_extensions`

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

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_extensions	ref	extension	extension	82	const	60	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.03 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.02 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.04 ms
preparing	0.01 ms
executing	0.00 ms
Sending data	0.20 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
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}()	与下面行的调用一样
9	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
8	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Component/ComponentHelper.php:453
7	Joomla\CMS\Component\ComponentHelper::load()	JROOT/libraries/src/Component/ComponentHelper.php:519
6	Joomla\CMS\Component\ComponentHelper::getComponents()	JROOT/libraries/src/Component/ComponentHelper.php:44
5	Joomla\CMS\Component\ComponentHelper::getComponent()	JROOT/libraries/src/Component/ComponentHelper.php:103
4	Joomla\CMS\Component\ComponentHelper::getParams()	JROOT/libraries/src/Application/SiteApplication.php:594
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.15 ms 在上次查询之后: 1.97 ms 查询内存： 0.023 MB ；查询前的内存： 4.137 MB 返回的行数： 8

SELECT id, rules

  FROM `joomlachina_viewlevels`

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_viewlevels	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	7	100.00	NULL

方案

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

调用堆栈

#	调用者	文件及行号
10	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1506
9	JDatabaseDriver->loadAssocList()	JROOT/libraries/src/Access/Access.php:1063
8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT/libraries/src/User/User.php:458
7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT/libraries/src/Plugin/PluginHelper.php:321
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.19 ms 在上次查询之后: 0.08 ms 查询内存： 0.022 MB ；查询前的内存： 4.150 MB 返回的行数： 2

SELECT b.id

  FROM joomlachina_usergroups AS a

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

  WHERE a.id = 13

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	a	const	PRIMARY	PRIMARY	4	const	1	100.00	NULL
1	SIMPLE	b	range	idx_usergroup_nested_set_lookup	idx_usergroup_nested_set_lookup	4	NULL	3	100.00	Using where; Using index

方案

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

调用堆栈

#	调用者	文件及行号
11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1550
10	JDatabaseDriver->loadColumn()	JROOT/libraries/src/Access/Access.php:980
9	Joomla\CMS\Access\Access::getGroupsByUser()	JROOT/libraries/src/Access/Access.php:1095
8	Joomla\CMS\Access\Access::getAuthorisedViewLevels()	JROOT/libraries/src/User/User.php:458
7	Joomla\CMS\User\User->getAuthorisedViewLevels()	JROOT/libraries/src/Plugin/PluginHelper.php:321
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.67 ms 在上次查询之后: 0.54 ms 查询内存： 0.035 MB ；查询前的内存： 4.216 MB 返回的行数： 124

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

  FROM joomlachina_extensions

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

  ORDER BY ordering

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_extensions	ref	extension	extension	82	const	165	100.00	Using index condition; Using where; 使用文件排序

方案

Status	Duration
starting	0.04 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.02 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.03 ms
preparing	0.01 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.49 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
11	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
10	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Plugin/PluginHelper.php:354
9	Joomla\CMS\Plugin\PluginHelper::Joomla\CMS\Plugin\{closure}()	与下面行的调用一样
8	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
7	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Plugin/PluginHelper.php:359
6	Joomla\CMS\Plugin\PluginHelper::load()	JROOT/libraries/src/Plugin/PluginHelper.php:87
5	Joomla\CMS\Plugin\PluginHelper::getPlugin()	JROOT/libraries/src/Plugin/PluginHelper.php:129
4	Joomla\CMS\Plugin\PluginHelper::isEnabled()	JROOT/libraries/src/Application/SiteApplication.php:604
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.26 ms 在上次查询之后: 25.16 ms 查询内存： 0.198 MB ；查询前的内存： 6.453 MB 返回的行数： 194

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 joomlachina_menu AS m

  LEFT JOIN joomlachina_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

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	m	ALL	idx_client_id_parent_id_alias_language	NO INDEX KEY COULD BE USED	NULL	NULL	367	73.57	Using where; 使用文件排序
1	SIMPLE	e	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.m.component_id	1	100.00	Using where

方案

Status	Duration
starting	0.05 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.02 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.03 ms
preparing	0.01 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	1.02 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
23	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
22	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Menu/SiteMenu.php:93
21	Joomla\CMS\Menu\SiteMenu->Joomla\CMS\Menu\{closure}()	与下面行的调用一样
20	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
19	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/libraries/src/Menu/SiteMenu.php:101
18	Joomla\CMS\Menu\SiteMenu->load()	JROOT/libraries/src/Menu/AbstractMenu.php:76
17	Joomla\CMS\Menu\AbstractMenu->__construct()	JROOT/libraries/src/Menu/SiteMenu.php:62
16	Joomla\CMS\Menu\SiteMenu->__construct()	JROOT/libraries/src/Menu/AbstractMenu.php:131
15	Joomla\CMS\Menu\AbstractMenu::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:375
14	Joomla\CMS\Application\CMSApplication->getMenu()	JROOT/libraries/src/Application/SiteApplication.php:275
13	Joomla\CMS\Application\SiteApplication->getMenu()	JROOT/libraries/src/Router/SiteRouter.php:65
12	Joomla\CMS\Router\SiteRouter->__construct()	JROOT/libraries/src/Router/Router.php:189
11	Joomla\CMS\Router\Router::getInstance()	JROOT/libraries/src/Application/CMSApplication.php:491
10	Joomla\CMS\Application\CMSApplication::getRouter()	JROOT/libraries/src/Application/SiteApplication.php:403
9	Joomla\CMS\Application\SiteApplication::getRouter()	JROOT/plugins/system/zmaxhideadmin/zmaxhideadmin.php:32
8	plgSystemZmaxHideAdmin->onAfterInitialise()	JROOT/libraries/joomla/event/event.php:70
7	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
6	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
5	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:626
4	Joomla\CMS\Application\CMSApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:686
3	Joomla\CMS\Application\SiteApplication->initialiseApp()	JROOT/libraries/src/Application/SiteApplication.php:212
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.93 ms 在上次查询之后: 10.65 ms 查询内存： 0.029 MB ；查询前的内存： 8.116 MB 返回的行数： 2

SHOW FULL COLUMNS 
  FROM `joomlachina_komento_configs`

解释

EXPLAIN 在 SHOW FULL COLUMNS FROM `joomlachina_komento_configs` 查询上无法执行

方案

Status	Duration
starting	0.03 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
Opening tables	1.23 ms
init	0.01 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.01 ms
preparing	0.01 ms
executing	0.01 ms
Opening tables	0.01 ms
checking permissions	0.02 ms
checking permissions	0.01 ms
Sending data	0.03 ms
end	0.00 ms
query end	0.00 ms
closing tables	0.00 ms
removing tmp table	0.40 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/database/driver/mysqli.php:445
17	JDatabaseDriverMysqli->getTableColumns()	JROOT/libraries/src/Table/Table.php:245
16	Joomla\CMS\Table\Table->getFields()	JROOT/libraries/src/Table/Table.php:164
15	Joomla\CMS\Table\Table->__construct()	JROOT/administrator/components/com_komento/tables/parent.php:18
14	KomentoParentTable->__construct()	JROOT/administrator/components/com_komento/tables/configs.php:40
13	KomentoTableConfigs->__construct()	JROOT/libraries/src/Table/Table.php:312
12	Joomla\CMS\Table\Table::getInstance()	JROOT/administrator/components/com_komento/tables/parent.php:49
11	KomentoParentTable::getInstance()	JROOT/components/com_komento/helpers/helper.php:99
10	Komento::getTable()	JROOT/components/com_komento/helpers/helper.php:228
9	Komento::getKonfig()	JROOT/components/com_komento/bootstrap.php:30
8	require_once JROOT/components/com_komento/bootstrap.php	JROOT/components/com_komento/router.php:16
7	require_once JROOT/components/com_komento/router.php	JROOT/libraries/src/Router/SiteRouter.php:779
6	Joomla\CMS\Router\SiteRouter->getComponentRouter()	JROOT/libraries/src/Router/SiteRouter.php:131
5	Joomla\CMS\Router\SiteRouter->parse()	JROOT/libraries/src/Application/CMSApplication.php:1074
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:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.16 ms 在上次查询之后: 0.65 ms 查询内存： 0.024 MB ；查询前的内存： 8.148 MB 返回的行数： 1

SELECT *

  FROM joomlachina_komento_configs

  WHERE `component` = 'com_komento'

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_komento_configs	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	5	100.00	Using where

方案

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

调用堆栈

#	调用者	文件及行号
12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1465
11	JDatabaseDriver->loadAssoc()	JROOT/libraries/src/Table/Table.php:731
10	Joomla\CMS\Table\Table->load()	JROOT/components/com_komento/helpers/helper.php:229
9	Komento::getKonfig()	JROOT/components/com_komento/bootstrap.php:30
8	require_once JROOT/components/com_komento/bootstrap.php	JROOT/components/com_komento/router.php:16
7	require_once JROOT/components/com_komento/router.php	JROOT/libraries/src/Router/SiteRouter.php:779
6	Joomla\CMS\Router\SiteRouter->getComponentRouter()	JROOT/libraries/src/Router/SiteRouter.php:131
5	Joomla\CMS\Router\SiteRouter->parse()	JROOT/libraries/src/Application/CMSApplication.php:1074
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:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.18 ms 在上次查询之后: 7.08 ms 查询内存： 0.023 MB ；查询前的内存： 8.710 MB 返回的行数： 1

SELECT id

  FROM `joomlachina_tags`

  WHERE `alias` = '2018-05-18-08-31-09'

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_tags	ref	idx_alias	idx_alias	402	const	1	100.00	Using where

方案

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

调用堆栈

#	调用者	文件及行号
12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1740
11	JDatabaseDriver->loadResult()	JROOT/components/com_tags/router.php:179
10	TagsRouter->fixSegment()	JROOT/components/com_tags/router.php:152
9	TagsRouter->parse()	JROOT/libraries/src/Router/SiteRouter.php:438
8	Joomla\CMS\Router\SiteRouter->parseSefRoute()	JROOT/libraries/src/Router/Router.php:482
7	Joomla\CMS\Router\Router->_parseSefRoute()	JROOT/libraries/src/Router/Router.php:227
6	Joomla\CMS\Router\Router->parse()	JROOT/libraries/src/Router/SiteRouter.php:139
5	Joomla\CMS\Router\SiteRouter->parse()	JROOT/libraries/src/Application/CMSApplication.php:1074
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:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.48 ms 在上次查询之后: 1.15 ms 查询内存： 0.178 MB ；查询前的内存： 8.797 MB 返回的行数： 28

SELECT id, home, template, s.params

  FROM joomlachina_template_styles as s

  LEFT JOIN joomlachina_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

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	e	ref	element_clientid,element_folder_clientid,extension	extension	82	const	9	100.00	Using index condition; Using where
1	SIMPLE	s	ref	idx_template,idx_client_id,idx_client_id_home	idx_template	202	www_joomlachina_.e.element	1	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.04 ms
checking permissions	0.01 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.02 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.05 ms
preparing	0.01 ms
executing	0.00 ms
Sending data	0.28 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
12	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
11	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Application/SiteApplication.php:486
10	Joomla\CMS\Application\SiteApplication->getTemplate()	JROOT/plugins/system/t3/includes/core/t3.php:320
9	T3::detect()	JROOT/plugins/system/t3/t3.php:81
8	plgSystemT3->onAfterRoute()	JROOT/libraries/joomla/event/event.php:70
7	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
6	JEventDispatcher->trigger()	JROOT/libraries/src/Application/BaseApplication.php:108
5	Joomla\CMS\Application\BaseApplication->triggerEvent()	JROOT/libraries/src/Application/CMSApplication.php:1122
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:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.20 ms 在上次查询之后: 8.63 ms 查询内存： 0.025 MB ；查询前的内存： 9.511 MB 返回的行数： 1

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

  FROM `joomlachina_extensions`

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

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_extensions	ref	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	100.00	Using index condition

方案

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

调用堆栈

#	调用者	文件及行号
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}()	与下面行的调用一样
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:1130
4	Joomla\CMS\Application\WebApplication->loadDocument()	JROOT/libraries/src/Application/SiteApplication.php:133
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.60 ms 在上次查询之后: 0.12 ms 查询内存： 0.005 MB ；查询前的内存： 9.501 MB

UPDATE `joomlachina_extensions`

  SET `params` = '{\"mediaversion\":\"47a500d2a7c1ca4ab113b6cc18e463d4\"}'

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

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_extensions	range	element_clientid,element_folder_clientid,extension	extension	484	const,const	1	100.00	Using where

方案

Status	Duration
starting	0.02 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.01 ms
System lock	0.04 ms
updating	0.03 ms
end	0.01 ms
query end	1.43 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
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:1130
4	Joomla\CMS\Application\WebApplication->loadDocument()	JROOT/libraries/src/Application/SiteApplication.php:133
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.18 ms 在上次查询之后: 1.61 ms 查询内存： 0.025 MB ；查询前的内存： 9.740 MB 返回的行数： 1

SELECT *

  FROM joomlachina_languages

  WHERE published=1

  ORDER BY ordering ASC

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_languages	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	1	100.00	Using where; 使用文件排序

方案

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

调用堆栈

#	调用者	文件及行号
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:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.20 ms 在上次查询之后: 5.91 ms 查询内存： 0.045 MB ；查询前的内存： 10.258 MB 返回的行数： 22

SELECT *

  FROM `joomlachina_content_types`

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_content_types	ALL	NULL	NO INDEX KEY COULD BE USED	NULL	NULL	22	100.00	NULL

方案

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

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1506
18	JDatabaseDriver->loadAssocList()	JROOT/libraries/src/Helper/TagsHelper.php:794
17	Joomla\CMS\Helper\TagsHelper::getTypes()	JROOT/libraries/src/Helper/TagsHelper.php:628
16	Joomla\CMS\Helper\TagsHelper->getTagItemsQuery()	JROOT/components/com_tags/models/tag.php:149
15	TagsModelTag->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
14	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
13	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/components/com_tags/models/tag.php:86
12	TagsModelTag->getItems()	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:423
11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_tags/views/tag/view.html.php:93
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 7.45 ms 在上次查询之后: 0.12 ms 查询内存： 0.039 MB ；查询前的内存： 10.271 MB 返回的行数： 10

SELECT m.type_alias, m.content_item_id, m.core_content_id, count(m.tag_id) AS match_count, MAX(m.tag_date) as tag_date, MAX(c.core_title) AS core_title, MAX(c.core_params) AS core_params,MAX(c.core_alias) AS core_alias, MAX(c.core_body) AS core_body, MAX(c.core_state) AS core_state, MAX(c.core_access) AS core_access,MAX(c.core_metadata) AS core_metadata, MAX(c.core_created_user_id) AS core_created_user_id, MAX(c.core_created_by_alias) AS core_created_by_alias,MAX(c.core_created_time) as core_created_time, MAX(c.core_images) as core_images,
  CASE WHEN c.core_modified_time = '0000-00-00 00:00:00' THEN c.core_created_time ELSE c.core_modified_time END as core_modified_time,MAX(c.core_language) AS core_language, MAX(c.core_catid) AS core_catid,MAX(c.core_publish_up) AS core_publish_up, MAX(c.core_publish_down) as core_publish_down,MAX(ct.type_title) AS content_type_title, MAX(ct.router) AS router,
  CASE WHEN c.core_created_by_alias > ' ' THEN c.core_created_by_alias ELSE ua.name END AS author,ua.email AS author_email

  FROM joomlachina_contentitem_tag_map AS m

  INNER JOIN joomlachina_ucm_content AS c 
  ON m.type_alias = c.core_type_alias 
  AND m.core_content_id = c.core_content_id 
  AND c.core_state IN (1) 
  AND (c.core_publish_up = '0000-00-00 00:00:00' OR c.core_publish_up <= '2021-09-17 22:33:20')  
  AND (c.core_publish_down = '0000-00-00 00:00:00' OR  c.core_publish_down >= '2021-09-17 22:33:20')

  INNER JOIN joomlachina_content_types AS ct 
  ON ct.type_alias = m.type_alias

  LEFT JOIN joomlachina_categories AS tc 
  ON tc.id = c.core_catid

  LEFT JOIN joomlachina_users AS ua 
  ON ua.id = c.core_created_user_id

  WHERE m.tag_id IN (74) 
  AND (c.core_catid = 0 OR tc.published = 1) 
  AND m.type_alias IN ('com_content.article','com_weblinks.weblink','com_contact.contact','com_newsfeeds.newsfeed','com_users.user','com_content.category','com_contact.category','com_newsfeeds.category','com_weblinks.category','com_tags.tag','com_banners.banner','com_banners.category','com_banners.client','com_users.note','com_users.category','com_zmaxcdn.item','com_zmaxhh.item','com_zmaxstore.item','com_zmaxvclass.category','com_zmaxcase.item','com_zmaxlogin.user','com_zmaxappstore.item') 
  AND c.core_access IN (0,1,5)

  GROUP BY m.type_alias, m.content_item_id, m.core_content_id, core_modified_time, core_created_time, core_created_by_alias, author, author_email

  ORDER BY MAX(`c`.`core_title`) DESC 
  LIMIT 10

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	m	ref	idx_tag_type,idx_core_content_id	idx_tag_type	4	const	205	100.00	Using where; Using temporary; 使用文件排序
1	SIMPLE	ct	ref	idx_alias	idx_alias	402	www_joomlachina_.m.type_alias	1	100.00	Using where
1	SIMPLE	c	eq_ref	PRIMARY,tag_idx,idx_access,idx_content_type	PRIMARY	4	www_joomlachina_.m.core_content_id	1	100.00	Using where
1	SIMPLE	tc	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.c.core_catid	1	100.00	Using where
1	SIMPLE	ua	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.c.core_created_user_id	1	100.00	Using where

方案

Status	Duration
starting	0.11 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.02 ms
init	0.11 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.08 ms
preparing	0.03 ms
Creating tmp table	0.04 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	6.07 ms
Creating sort index	0.37 ms
end	0.01 ms
removing tmp table	0.49 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
16	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
15	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
14	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
13	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/components/com_tags/models/tag.php:86
12	TagsModelTag->getItems()	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:423
11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_tags/views/tag/view.html.php:93
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.44 ms 在上次查询之后: 2.78 ms 查询内存： 0.037 MB ；查询前的内存： 10.590 MB 返回的行数： 30

SHOW FULL COLUMNS 
  FROM `joomlachina_tags`

解释

EXPLAIN 在 SHOW FULL COLUMNS FROM `joomlachina_tags` 查询上无法执行

方案

Status	Duration
starting	0.02 ms
checking permissions	0.01 ms
checking permissions	0.00 ms
Opening tables	0.63 ms
init	0.02 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.01 ms
preparing	0.01 ms
executing	0.01 ms
Opening tables	0.02 ms
checking permissions	0.02 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
checking permissions	0.01 ms
Sending data	0.04 ms
end	0.00 ms
query end	0.01 ms
closing tables	0.00 ms
removing tmp table	0.37 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/joomla/database/driver/mysqli.php:445
17	JDatabaseDriverMysqli->getTableColumns()	JROOT/libraries/src/Table/Table.php:245
16	Joomla\CMS\Table\Table->getFields()	JROOT/libraries/src/Table/Table.php:164
15	Joomla\CMS\Table\Table->__construct()	JROOT/administrator/components/com_tags/tables/tag.php:29
14	TagsTableTag->__construct()	JROOT/libraries/src/Table/Table.php:312
13	Joomla\CMS\Table\Table::getInstance()	JROOT/components/com_tags/models/tag.php:279
12	TagsModelTag->getItem()	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:423
11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_tags/views/tag/view.html.php:94
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.19 ms 在上次查询之后: 1.14 ms 查询内存： 0.036 MB ；查询前的内存： 10.693 MB 返回的行数： 1

重复查询: #32

SELECT *

  FROM joomlachina_tags

  WHERE `id` = '74'

解释

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

方案

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

调用堆栈

#	调用者	文件及行号
15	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1465
14	JDatabaseDriver->loadAssoc()	JROOT/libraries/src/Table/Table.php:731
13	Joomla\CMS\Table\Table->load()	JROOT/components/com_tags/models/tag.php:288
12	TagsModelTag->getItem()	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:423
11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_tags/views/tag/view.html.php:94
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 9.61 ms 在上次查询之后: 0.96 ms 查询内存： 0.499 MB ；查询前的内存： 10.858 MB 返回的行数： 209

SELECT m.type_alias, m.content_item_id, m.core_content_id, count(m.tag_id) AS match_count, MAX(m.tag_date) as tag_date, MAX(c.core_title) AS core_title, MAX(c.core_params) AS core_params,MAX(c.core_alias) AS core_alias, MAX(c.core_body) AS core_body, MAX(c.core_state) AS core_state, MAX(c.core_access) AS core_access,MAX(c.core_metadata) AS core_metadata, MAX(c.core_created_user_id) AS core_created_user_id, MAX(c.core_created_by_alias) AS core_created_by_alias,MAX(c.core_created_time) as core_created_time, MAX(c.core_images) as core_images,
  CASE WHEN c.core_modified_time = '0000-00-00 00:00:00' THEN c.core_created_time ELSE c.core_modified_time END as core_modified_time,MAX(c.core_language) AS core_language, MAX(c.core_catid) AS core_catid,MAX(c.core_publish_up) AS core_publish_up, MAX(c.core_publish_down) as core_publish_down,MAX(ct.type_title) AS content_type_title, MAX(ct.router) AS router,
  CASE WHEN c.core_created_by_alias > ' ' THEN c.core_created_by_alias ELSE ua.name END AS author,ua.email AS author_email

  FROM joomlachina_contentitem_tag_map AS m

  INNER JOIN joomlachina_ucm_content AS c 
  ON m.type_alias = c.core_type_alias 
  AND m.core_content_id = c.core_content_id 
  AND c.core_state IN (1) 
  AND (c.core_publish_up = '0000-00-00 00:00:00' OR c.core_publish_up <= '2021-09-17 22:33:20')  
  AND (c.core_publish_down = '0000-00-00 00:00:00' OR  c.core_publish_down >= '2021-09-17 22:33:20')

  INNER JOIN joomlachina_content_types AS ct 
  ON ct.type_alias = m.type_alias

  LEFT JOIN joomlachina_categories AS tc 
  ON tc.id = c.core_catid

  LEFT JOIN joomlachina_users AS ua 
  ON ua.id = c.core_created_user_id

  WHERE m.tag_id IN (74) 
  AND (c.core_catid = 0 OR tc.published = 1) 
  AND m.type_alias IN ('com_content.article','com_weblinks.weblink','com_contact.contact','com_newsfeeds.newsfeed','com_users.user','com_content.category','com_contact.category','com_newsfeeds.category','com_weblinks.category','com_tags.tag','com_banners.banner','com_banners.category','com_banners.client','com_users.note','com_users.category','com_zmaxcdn.item','com_zmaxhh.item','com_zmaxstore.item','com_zmaxvclass.category','com_zmaxcase.item','com_zmaxlogin.user','com_zmaxappstore.item') 
  AND c.core_access IN (0,1,5)

  GROUP BY m.type_alias, m.content_item_id, m.core_content_id, core_modified_time, core_created_time, core_created_by_alias, author, author_email

  ORDER BY MAX(`c`.`core_title`) DESC

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	m	ref	idx_tag_type,idx_core_content_id	idx_tag_type	4	const	205	100.00	Using where; Using temporary; 使用文件排序
1	SIMPLE	ct	ref	idx_alias	idx_alias	402	www_joomlachina_.m.type_alias	1	100.00	Using where
1	SIMPLE	c	eq_ref	PRIMARY,tag_idx,idx_access,idx_content_type	PRIMARY	4	www_joomlachina_.m.core_content_id	1	100.00	Using where
1	SIMPLE	tc	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.c.core_catid	1	100.00	Using where
1	SIMPLE	ua	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.c.core_created_user_id	1	100.00	Using where

方案

Status	Duration
starting	0.11 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	0.01 ms
init	0.09 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.09 ms
preparing	0.03 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	6.15 ms
Creating sort index	2.46 ms
end	0.01 ms
removing tmp table	0.44 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
15	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:353
14	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getListCount()	JROOT/libraries/src/MVC/Model/ListModel.php:282
13	Joomla\CMS\MVC\Model\ListModel->getTotal()	JROOT/libraries/src/MVC/Model/ListModel.php:232
12	Joomla\CMS\MVC\Model\ListModel->getPagination()	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:423
11	Joomla\CMS\MVC\View\HtmlView->get()	JROOT/components/com_tags/views/tag/view.html.php:97
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.85 ms 在上次查询之后: 14.31 ms 查询内存： 0.040 MB ；查询前的内存： 11.968 MB 返回的行数： 5

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1929

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.07 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.09 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.48 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.47 ms 在上次查询之后: 0.51 ms 查询内存： 0.037 MB ；查询前的内存： 12.028 MB 返回的行数： 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 joomlachina_fields AS a

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

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

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

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

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

  LEFT JOIN `joomlachina_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 (1929,0,1914,137,327)) 
  AND a.access IN (1,1,5) 
  AND (a.group_id = 0 OR g.access IN (1,1,5)) 
  AND a.state = 1 
  AND (a.group_id = 0 OR g.state = 1)

  ORDER BY a.ordering ASC

解释

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

方案

Status	Duration
starting	0.07 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.02 ms
init	0.04 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.07 ms
preparing	0.03 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.68 ms
Creating sort index	0.02 ms
end	0.00 ms
removing tmp table	0.36 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.79 ms 在上次查询之后: 6.38 ms 查询内存： 0.040 MB ；查询前的内存： 12.524 MB 返回的行数： 5

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1701

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.07 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.10 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.44 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.45 ms 在上次查询之后: 0.12 ms 查询内存： 0.037 MB ；查询前的内存： 12.536 MB 返回的行数： 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 joomlachina_fields AS a

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

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

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

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

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

  LEFT JOIN `joomlachina_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 (1701,0,344,137,327)) 
  AND a.access IN (1,1,5) 
  AND (a.group_id = 0 OR g.access IN (1,1,5)) 
  AND a.state = 1 
  AND (a.group_id = 0 OR g.state = 1)

  ORDER BY a.ordering ASC

解释

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

方案

Status	Duration
starting	0.07 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.02 ms
init	0.04 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.07 ms
preparing	0.03 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.68 ms
Creating sort index	0.02 ms
end	0.00 ms
removing tmp table	0.36 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.75 ms 在上次查询之后: 1.56 ms 查询内存： 0.040 MB ；查询前的内存： 12.576 MB 返回的行数： 5

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1924

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.03 ms
Creating sort index	0.42 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.43 ms 在上次查询之后: 0.13 ms 查询内存： 0.037 MB ；查询前的内存： 12.582 MB 返回的行数： 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 joomlachina_fields AS a

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

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

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

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

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

  LEFT JOIN `joomlachina_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 (1924,0,1914,137,327)) 
  AND a.access IN (1,1,5) 
  AND (a.group_id = 0 OR g.access IN (1,1,5)) 
  AND a.state = 1 
  AND (a.group_id = 0 OR g.state = 1)

  ORDER BY a.ordering ASC

解释

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

方案

Status	Duration
starting	0.07 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.03 ms
init	0.04 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.07 ms
preparing	0.02 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.68 ms
Creating sort index	0.02 ms
end	0.00 ms
removing tmp table	0.34 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.74 ms 在上次查询之后: 0.63 ms 查询内存： 0.040 MB ；查询前的内存： 12.605 MB 返回的行数： 5

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1758

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.43 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.39 ms 在上次查询之后: 0.11 ms 查询内存： 0.037 MB ；查询前的内存： 12.612 MB 返回的行数： 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 joomlachina_fields AS a

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

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

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

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

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

  LEFT JOIN `joomlachina_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 (1758,0,344,137,327)) 
  AND a.access IN (1,1,5) 
  AND (a.group_id = 0 OR g.access IN (1,1,5)) 
  AND a.state = 1 
  AND (a.group_id = 0 OR g.state = 1)

  ORDER BY a.ordering ASC

解释

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

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.07 ms
preparing	0.02 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.68 ms
Creating sort index	0.02 ms
end	0.00 ms
removing tmp table	0.35 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.74 ms 在上次查询之后: 0.62 ms 查询内存： 0.040 MB ；查询前的内存： 12.635 MB 返回的行数： 5

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1706

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.42 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
21	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
20	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
19	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
18	Joomla\CMS\Categories\Categories->get()	JROOT/administrator/components/com_fields/models/fields.php:203
17	FieldsModelFields->getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:133
16	Joomla\CMS\MVC\Model\ListModel->_getListQuery()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.40 ms 在上次查询之后: 0.11 ms 查询内存： 0.037 MB ；查询前的内存： 12.641 MB 返回的行数： 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 joomlachina_fields AS a

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

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

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

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

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

  LEFT JOIN `joomlachina_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 (1706,0,344,137,327)) 
  AND a.access IN (1,1,5) 
  AND (a.group_id = 0 OR g.access IN (1,1,5)) 
  AND a.state = 1 
  AND (a.group_id = 0 OR g.state = 1)

  ORDER BY a.ordering ASC

解释

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

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.04 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.06 ms
preparing	0.02 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.68 ms
Creating sort index	0.02 ms
end	0.00 ms
removing tmp table	0.35 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
19	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
18	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
17	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
16	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
15	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php: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_tags/views/tag/view.html.php:140
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.18 ms 在上次查询之后: 0.47 ms 查询内存： 0.006 MB ；查询前的内存： 12.657 MB

UPDATE joomlachina_tags

  SET `hits` = (`hits` + 1)

  WHERE `id` = '74'

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_tags	range	PRIMARY	PRIMARY	4	const	1	100.00	Using where

方案

Status	Duration
starting	0.02 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.01 ms
System lock	0.02 ms
updating	0.04 ms
end	0.01 ms
query end	0.02 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
13	JDatabaseDriverMysqli->execute()	JROOT/libraries/src/Table/Table.php:1245
12	Joomla\CMS\Table\Table->hit()	JROOT/components/com_tags/models/tag.php:343
11	TagsModelTag->hit()	JROOT/components/com_tags/views/tag/view.html.php:239
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.16 ms 在上次查询之后: 0.08 ms 查询内存： 0.036 MB ；查询前的内存： 12.664 MB 返回的行数： 1

重复查询: #19

SELECT *

  FROM joomlachina_tags

  WHERE `id` = '74'

解释

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

方案

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

调用堆栈

#	调用者	文件及行号
14	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1465
13	JDatabaseDriver->loadAssoc()	JROOT/libraries/src/Table/Table.php:731
12	Joomla\CMS\Table\Table->load()	JROOT/components/com_tags/models/tag.php:346
11	TagsModelTag->hit()	JROOT/components/com_tags/views/tag/view.html.php:239
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.77 ms 在上次查询之后: 5.75 ms 查询内存： 0.036 MB ；查询前的内存： 12.901 MB 返回的行数： 59

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

  FROM `joomlachina_assets`

  WHERE `name` IN ('root.1','com_actionlogs','com_admin','com_ajax','com_akeeba','com_appbuilder','com_associations','com_banners','com_cache','com_categories','com_checkin','com_config','com_contact','com_content','com_contenthistory','com_cpanel','com_dbreplacer','com_fields','com_finder','com_installer','com_jch_optimize','com_joomlaupdate','com_komento','com_kunena','com_languages','com_login','com_mailto','com_media','com_menus','com_messages','com_modules','com_newsfeeds','com_plugins','com_postinstall','com_privacy','com_redirect','com_search','com_tags','com_templates','com_uniterevolution2','com_users','com_weblinks','com_wrapper','com_xmap','com_zmaxappstore','com_zmaxcaptcha','com_zmaxcase','com_zmaxcdn','com_zmaxhh','com_zmaxim','com_zmaxintegral','com_zmaxlogin','com_zmaxpay','com_zmaxpublish','com_zmaxsms','com_zmaxstore','com_zmaxtask','com_zmaxucenter','com_zmaxvclass','com_zmaxwechat')

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	joomlachina_assets	range	idx_asset_name	idx_asset_name	202	NULL	60	100.00	Using index condition

方案

Status	Duration
starting	0.04 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.06 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.15 ms
preparing	0.01 ms
executing	0.00 ms
Sending data	0.42 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
22	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
21	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Access/Access.php:429
20	Joomla\CMS\Access\Access::preloadComponents()	JROOT/libraries/src/Access/Access.php:213
19	Joomla\CMS\Access\Access::preload()	JROOT/libraries/src/Access/Access.php:531
18	Joomla\CMS\Access\Access::getAssetRules()	JROOT/libraries/src/Access/Access.php:183
17	Joomla\CMS\Access\Access::check()	JROOT/libraries/src/User/User.php:398
16	Joomla\CMS\User\User->authorise()	JROOT/templates/purity_iii/html/com_tags/tag/default_items.php:22
15	include JROOT/templates/purity_iii/html/com_tags/tag/default_items.php	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:695
14	Joomla\CMS\MVC\View\HtmlView->loadTemplate()	JROOT/templates/purity_iii/html/com_tags/tag/default.php:51
13	include JROOT/templates/purity_iii/html/com_tags/tag/default.php	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:695
12	Joomla\CMS\MVC\View\HtmlView->loadTemplate()	JROOT/plugins/system/t3/includes/joomla4/HtmlView.php:230
11	Joomla\CMS\MVC\View\HtmlView->display()	JROOT/components/com_tags/views/tag/view.html.php:243
10	TagsViewTag->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:672
9	Joomla\CMS\MVC\Controller\BaseController->display()	JROOT/components/com_tags/controller.php:52
8	TagsController->display()	JROOT/libraries/src/MVC/Controller/BaseController.php:710
7	Joomla\CMS\MVC\Controller\BaseController->execute()	JROOT/components/com_tags/tags.php:15
6	require_once JROOT/components/com_tags/tags.php	JROOT/libraries/src/Component/ComponentHelper.php:402
5	Joomla\CMS\Component\ComponentHelper::executeComponent()	JROOT/libraries/src/Component/ComponentHelper.php:377
4	Joomla\CMS\Component\ComponentHelper::renderComponent()	JROOT/libraries/src/Application/SiteApplication.php:194
3	Joomla\CMS\Application\SiteApplication->dispatch()	JROOT/libraries/src/Application/SiteApplication.php:233
2	Joomla\CMS\Application\SiteApplication->doExecute()	JROOT/libraries/src/Application/CMSApplication.php:196
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.44 ms 在上次查询之后: 10.53 ms 查询内存： 0.053 MB ；查询前的内存： 13.517 MB 返回的行数： 54

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

  FROM joomlachina_modules AS m

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

  LEFT JOIN joomlachina_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 <= '2021-09-17 22:33:20') 
  AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2021-09-17 22:33:20') 
  AND m.access IN (1,1,5) 
  AND m.client_id = 0 
  AND (mm.menuid = 1421 OR mm.menuid <= 0)

  ORDER BY m.position, m.ordering

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	m	ref	PRIMARY,published,newsfeeds	published	1	const	112	100.00	Using index condition; Using where; 使用文件排序
1	SIMPLE	e	ref	element_clientid,element_folder_clientid	element_clientid	403	www_joomlachina_.m.module,const	1	100.00	Using index condition; Using where
1	SIMPLE	mm	ref	PRIMARY	PRIMARY	4	www_joomlachina_.m.id	1	100.00	Using where; Using index

方案

Status	Duration
starting	0.05 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.05 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	1.16 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
20	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
19	JDatabaseDriver->loadObjectList()	与下面行的调用一样
18	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
17	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:452
16	Joomla\CMS\Helper\ModuleHelper::getModuleList()	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:382
15	Joomla\CMS\Helper\ModuleHelper::load()	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:87
14	Joomla\CMS\Helper\ModuleHelper::getModules()	JROOT/libraries/src/Document/HtmlDocument.php:591
13	Joomla\CMS\Document\HtmlDocument->countModules()	JROOT/plugins/system/t3/includes/core/template.php:645
12	T3Template->countModules()	JROOT/templates/purity_iii/tpls/blocks/header.php:28
11	include JROOT/templates/purity_iii/tpls/blocks/header.php	JROOT/plugins/system/t3/includes/core/template.php:195
10	T3Template->loadBlock()	JROOT/templates/purity_iii/tpls/default-content-left.php:37
9	include JROOT/templates/purity_iii/tpls/default-content-left.php	JROOT/plugins/system/t3/includes/core/template.php:221
8	T3Template->loadLayout()	JROOT/templates/purity_iii/index.php:37
7	require JROOT/templates/purity_iii/index.php	JROOT/libraries/src/Document/HtmlDocument.php:668
6	Joomla\CMS\Document\HtmlDocument->_loadTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:730
5	Joomla\CMS\Document\HtmlDocument->_fetchTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:545
4	Joomla\CMS\Document\HtmlDocument->parse()	JROOT/libraries/src/Application/CMSApplication.php:1030
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.56 ms 在上次查询之后: 8.76 ms 查询内存： 0.039 MB ；查询前的内存： 13.690 MB 返回的行数： 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 joomlachina_fields AS a

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

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

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

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

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

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

  ORDER BY a.ordering ASC

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	a	ref	idx_state,idx_access,idx_context	idx_state	1	const	1	100.00	Using where; Using temporary; 使用文件排序
1	SIMPLE	l	eq_ref	idx_langcode	idx_langcode	28	www_joomlachina_.a.language	1	100.00	Using where
1	SIMPLE	uc	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.a.checked_out	1	100.00	NULL
1	SIMPLE	ag	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.a.access	1	100.00	Using where
1	SIMPLE	ua	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.a.created_user_id	1	100.00	Using where
1	SIMPLE	g	eq_ref	PRIMARY	PRIMARY	4	www_joomlachina_.a.group_id	1	100.00	Using where

方案

Status	Duration
starting	0.08 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
checking permissions	0.00 ms
Opening tables	0.02 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.02 ms
statistics	0.06 ms
preparing	0.02 ms
Creating tmp table	0.03 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.80 ms
Creating sort index	0.02 ms
end	0.00 ms
removing tmp table	0.37 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
23	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
22	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/MVC/Model/BaseDatabaseModel.php:308
21	Joomla\CMS\MVC\Model\BaseDatabaseModel->_getList()	JROOT/administrator/components/com_fields/models/fields.php:333
20	FieldsModelFields->_getList()	JROOT/libraries/src/MVC/Model/ListModel.php:187
19	Joomla\CMS\MVC\Model\ListModel->getItems()	JROOT/administrator/components/com_fields/helpers/fields.php:136
18	FieldsHelper::getFields()	JROOT/plugins/system/fields/fields.php:495
17	PlgSystemFields->onContentPrepare()	JROOT/libraries/joomla/event/event.php:70
16	JEvent->update()	JROOT/libraries/joomla/event/dispatcher.php:160
15	JEventDispatcher->trigger()	JROOT/libraries/cms/html/content.php:41
14	JHtmlContent::prepare()	与下面行的调用一样
13	call_user_func_array()	JROOT/libraries/src/HTML/HTMLHelper.php:239
12	Joomla\CMS\HTML\HTMLHelper::call()	JROOT/libraries/src/HTML/HTMLHelper.php:146
11	Joomla\CMS\HTML\HTMLHelper::_()	JROOT/modules/mod_custom/mod_custom.php:15
10	include JROOT/modules/mod_custom/mod_custom.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 1.28 ms 在上次查询之后: 7.43 ms 查询内存： 0.128 MB ；查询前的内存： 13.925 MB 返回的行数： 131

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 327

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.08 ms
checking permissions	0.01 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.09 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.02 ms
Creating sort index	0.94 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
18	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
17	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
16	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
15	Joomla\CMS\Categories\Categories->get()	JROOT/modules/mod_articles_categories/helper.php:34
14	ModArticlesCategoriesHelper::getList()	与下面行的调用一样
13	call_user_func_array()	JROOT/libraries/src/Cache/Controller/CallbackController.php:173
12	Joomla\CMS\Cache\Controller\CallbackController->get()	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:578
11	Joomla\CMS\Helper\ModuleHelper::moduleCache()	JROOT/modules/mod_articles_categories/mod_articles_categories.php:28
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.75 ms 在上次查询之后: 2.84 ms 查询内存： 0.043 MB ；查询前的内存： 14.568 MB 返回的行数： 4

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 152

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.09 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.42 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.72 ms 在上次查询之后: 0.24 ms 查询内存： 0.045 MB ；查询前的内存： 14.588 MB 返回的行数： 7

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 153

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.41 ms
end	0.00 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.77 ms 在上次查询之后: 0.32 ms 查询内存： 0.053 MB ；查询前的内存： 14.621 MB 返回的行数： 20

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1821

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.48 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.75 ms 在上次查询之后: 0.36 ms 查询内存： 0.049 MB ；查询前的内存： 14.716 MB 返回的行数： 12

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1899

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.01 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.43 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.71 ms 在上次查询之后: 0.36 ms 查询内存： 0.043 MB ；查询前的内存： 14.774 MB 返回的行数： 4

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1908

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.01 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.40 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.02 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.70 ms 在上次查询之后: 0.21 ms 查询内存： 0.043 MB ；查询前的内存： 14.793 MB 返回的行数： 4

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1909

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.39 ms
end	0.00 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.70 ms 在上次查询之后: 0.23 ms 查询内存： 0.043 MB ；查询前的内存： 14.812 MB 返回的行数： 4

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1910

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.39 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.02 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.71 ms 在上次查询之后: 0.23 ms 查询内存： 0.043 MB ；查询前的内存： 14.831 MB 返回的行数： 4

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1913

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.40 ms
end	0.01 ms
query end	0.01 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.75 ms 在上次查询之后: 0.24 ms 查询内存： 0.049 MB ；查询前的内存： 14.850 MB 返回的行数： 16

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1916

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.01 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.45 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.71 ms 在上次查询之后: 0.34 ms 查询内存： 0.044 MB ；查询前的内存： 14.924 MB 返回的行数： 6

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1952

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.07 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.40 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.70 ms 在上次查询之后: 0.24 ms 查询内存： 0.044 MB ；查询前的内存： 14.953 MB 返回的行数： 5

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 `joomlachina_categories` AS `s`

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

  WHERE (c.extension='com_content' OR c.extension='system') 
  AND c.access IN (1,1,5) 
  AND c.published = 1 
  AND s.id = 1955

  ORDER BY c.lft

解释

id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
1	SIMPLE	s	const	PRIMARY,idx_left_right	PRIMARY	4	const	1	100.00	使用文件排序
1	SIMPLE	c	range	cat_idx,idx_access,idx_left_right	cat_idx	207	NULL	143	100.00	Using index condition; Using where

方案

Status	Duration
starting	0.06 ms
checking permissions	0.00 ms
checking permissions	0.00 ms
Opening tables	0.01 ms
init	0.03 ms
System lock	0.01 ms
optimizing	0.01 ms
statistics	0.08 ms
preparing	0.02 ms
Sorting result	0.00 ms
executing	0.00 ms
Sending data	0.01 ms
Creating sort index	0.40 ms
end	0.01 ms
query end	0.00 ms
closing tables	0.01 ms
freeing items	0.01 ms
cleaning up	0.01 ms

调用堆栈

#	调用者	文件及行号
27	JDatabaseDriverMysqli->execute()	JROOT/libraries/joomla/database/driver.php:1701
26	JDatabaseDriver->loadObjectList()	JROOT/libraries/src/Categories/Categories.php:324
25	Joomla\CMS\Categories\Categories->_load()	JROOT/libraries/src/Categories/Categories.php:184
24	Joomla\CMS\Categories\Categories->get()	JROOT/components/com_content/router.php:72
23	ContentRouter->getCategorySegment()	与下面行的调用一样
22	call_user_func_array()	JROOT/libraries/src/Component/Router/RouterView.php:120
21	Joomla\CMS\Component\Router\RouterView->getPath()	JROOT/libraries/src/Component/Router/Rules/MenuRules.php:111
20	Joomla\CMS\Component\Router\Rules\MenuRules->preprocess()	JROOT/libraries/src/Component/Router/RouterView.php:222
19	Joomla\CMS\Component\Router\RouterView->preprocess()	JROOT/libraries/src/Router/SiteRouter.php:676
18	Joomla\CMS\Router\SiteRouter->processBuildRules()	JROOT/libraries/src/Router/Router.php:266
17	Joomla\CMS\Router\Router->build()	JROOT/libraries/src/Router/SiteRouter.php:155
16	Joomla\CMS\Router\SiteRouter->build()	JROOT/libraries/src/Router/Route.php:144
15	Joomla\CMS\Router\Route::link()	JROOT/libraries/src/Router/Route.php:93
14	Joomla\CMS\Router\Route::_()	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:13
13	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php:36
12	require JROOT/templates/purity_iii/html/mod_articles_categories/default_items.php	JROOT/templates/purity_iii/html/mod_articles_categories/default.php:13
11	require JROOT/templates/purity_iii/html/mod_articles_categories/default.php	JROOT/modules/mod_articles_categories/mod_articles_categories.php:35
10	include JROOT/modules/mod_articles_categories/mod_articles_categories.php	JROOT/plugins/system/t3/includes/joomla4/ModuleHelper.php:201
9	Joomla\CMS\Helper\ModuleHelper::renderModule()	JROOT/libraries/src/Document/Renderer/Html/ModuleRenderer.php:98
8	Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render()	JROOT/libraries/src/Document/Renderer/Html/ModulesRenderer.php:47
7	Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render()	JROOT/libraries/src/Document/HtmlDocument.php:501
6	Joomla\CMS\Document\HtmlDocument->getBuffer()	JROOT/libraries/src/Document/HtmlDocument.php:793
5	Joomla\CMS\Document\HtmlDocument->_renderTemplate()	JROOT/libraries/src/Document/HtmlDocument.php:567
4	Joomla\CMS\Document\HtmlDocument->render()	JROOT/libraries/src/Application/CMSApplication.php:1044
3	Joomla\CMS\Application\CMSApplication->render()	JROOT/libraries/src/Application/SiteApplication.php:778
2	Joomla\CMS\Application\SiteApplication->render()	JROOT/libraries/src/Application/CMSApplication.php:202
1	Joomla\CMS\Application\CMSApplication->execute()	JROOT/index.php:49

[给你的 php.ini 文件中添加 xdebug.file_link_format 指令来获得文件链接。]

查询时间： 0.70 ms 在上次查询之后: 0.24 ms 查询内存： 0.043 MB ；查询前的内存： 14.978 MB 返回的行数： 4

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 `joomlachina_categories` AS `s`

  INNER JOIN `joomlachina_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

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找到了 2 个重复！