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AC and DC

 

When the current is in one direction only, we call it direct current DC; and when the ‘shoves’ are in one direction and then the other, back and forth like a swing, we call it alternating current or AC. 

 

image016

 

Both carry usable energy but AC makes less efficient use of the conductor as there are two points each cycle when nothing is happening and high currents, and greater loss, happens at the peaks.

 

 

So how do we make electrical currents flow?

If we want to carry energy along a conductor, we need to stimulate electrons to start passing it on as one shove to the next; in the desired direction.

By far the most common way of doing this is by passing a conductive wire through a magnetic field; or a passing a magnetic field across a wire. This gives the electrons a shove along the axis of the wire. The field has to be moving relative to the wire. A stationary field like the Earth's magnetic field requires the wire to be moving.

You have probably tried to push the matching poles of two magnets together.  In the same way a magnet pushes the electrons along a wire.  This push-back becomes stronger if we resist the current by putting it to use in a circuit; for example: to heat a wire or make another magnet move in a motor.

It is quite easy to make a coil of wire into an electro-magnet. This can be as strong as most magnets you might have played with.

This is how the alternator in your car makes electricity to charge the battery.  It has a whole bunch of wires (usually end to end in a coil) and every turn of the shaft rotates these wires through a magnetic field.  The effort required to do this is in direct relation to the energy required to charge the battery.

Most electrical generators work on this simple principle.  It very efficiently turns mechanical energy into electricity; or back again to mechanical energy in an electric motor.  Read More...

It's quite easy (as a child) to make one yourself and run it with a toy 'donkey engine' to light a light bulb.

 

3phase-rmf-noadd-60f-airopt
3 Phase Alternator Operation (the rotating bit here can be a permanent magnet)
source: Wikipedia

 

Water pressure can be used to rotate the shaft of an alternator (an AC generator) below a dam.

 

image018

 

Steam is used to drive a turbo-alternator in a coal, gas, geothermal or nuclear power-station.  Petrol oil or gas engines; or wind can be used to rotate the shaft of an alternator; and tides, currents and waves drive machines to do the same thing.

There are many images of various types of power generation elsewhere on this website.

 

 

Other ways of making currents

 

But we can also get currents moving in other, harder to understand, ways.

A photovoltaic solar cell exploits the ability of semiconductors to allow electrons to move in one direction only.  If these are then excited by energy from photons (a type of boson), they get pumped along specially designed current paths in one direction only.

This is oversimplifying a phenomenon requiring knowledge of depletion layers, electron tunnelling, and even quantum mechanics for a full explanation. You need to know a bit about semiconductors.  Read More...

Photovoltaic solar cells are still in development and a lot of work is going into improving their conversion efficiency and bringing down their cost.

It is hoped that soon they will be able to provide up to 20% of our energy requirements; possibly more if we can find an economical way of storing energy from day to night and season to season.

Thermocouples employ the flow of heat in a metal from a hot area to a cold one called the Seebeck effect.  Electrons in the hotter areas are more energetic than in the cooler part causing a voltage gradient.   Electrons flow at different rates in different metals so if two dissimilar metals are in electrical contact near the source of heat the net difference in voltage gradient (in response to the same heat gradient) will result in a current flowing from one metal to the other.   

Thus some of the heat flowing from hot to cold is converted to electricity.  This is what is helping to power the recent Mars Lander: Curiosity. It uses decaying plutonium to provide the heat to thermocouples.  These provide base load energy at night when Mars is very cold.  Curiosity also has solar panels.

Despite maximising the differential by using very different metal alloys, the conversion efficiency of heat to electricity is still relatively poor.  But efficiency is a secondary issue if the energy source is plentiful and free. The biggest issue preventing this source being used back here on earth is the equipment cost: how much energy is converted per dollar of device?  Using that criterion, it's very expensive electricity indeed.

Efficiency does have an impact on physical size.  This may be important is space is limited.  This becomes evident when we calculate how big an area of solar panels some industries might need.

For example, an aluminium smelter would need many square kilometres of solar panels (around 30 million present generation commercial panels) to supply the electricity required to separate the metal from alumina.  This would not be feasible anyway as the aluminium pots can't be shut-down overnight or on dull days.

Electricity can also be produced by ion exchange.  This is the way batteries and fuel cells work. 

As already mentioned, ions are negatively or positively charged atoms.  These can be caused to flow by chemical and sometimes physical means.

For example, changing ion concentrations across a barrier, through which only some ions can pass (osmosis), is used very widely in nature. This happens in our body cells to produce nerve signals and; in the case of some eels, produces thousands of volts. Read More...

 

 

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Travel

Malaysia

 

 

In February 2011 we travelled to Malaysia.  I was surprised to see modern housing estates in substantial numbers during our first cab ride from the Airport to Kuala Lumpur.  It seemed more reminiscent of the United Arab Emirates than of the poorer Middle East or of other developing countries in SE Asia.  Our hotel was similarly well appointed.

 

Read more: Malaysia

Fiction, Recollections & News

DUNE

 

Last week I went to see ‘DUNE’, the movie.

It’s the second big-screen attempt to make a movie of the book, if you don’t count the first ‘Star Wars’, that borrows shamelessly from Frank Herbert’s Si-Fi classic.

Read more: DUNE

Opinions and Philosophy

Death

 

 

Death is one of the great themes of existence that interests almost everyone but about which many people avoid discussion.  It is also discussed in my essay to my children: The Meaning of Life on this website; written more than ten years ago; where I touch on personal issues not included below; such as risk taking and the option of suicide.

Read more: Death

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  • 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, a.only_use_in_subform,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 ttl_fields AS a LEFT JOIN `ttl_languages` AS l ON l.lang_code = a.language LEFT JOIN ttl_users AS uc ON uc.id=a.checked_out LEFT JOIN ttl_viewlevels AS ag ON ag.id = a.access LEFT JOIN ttl_users AS ua ON ua.id = a.created_user_id LEFT JOIN ttl_fields_groups AS g ON g.id = a.group_id LEFT JOIN `ttl_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC977μs8.56KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`catid`,`a`.`language`, CASE WHEN CHAR_LENGTH(`a`.`alias`) != 0 THEN CONCAT_WS(':', `a`.`id`, `a`.`alias`) ELSE a.id END AS `slug`, CASE WHEN CHAR_LENGTH(`cc`.`alias`) != 0 THEN CONCAT_WS(':', `cc`.`id`, `cc`.`alias`) ELSE cc.id END AS `catslug` FROM `ttl_content` AS `a` LEFT JOIN `ttl_categories` AS `cc` ON `cc`.`id` = `a`.`catid` WHERE `a`.`catid` = :catid AND `a`.`state` = :state AND `a`.`access` IN (:preparedArray1,:preparedArray2) AND (`publish_up` IS NULL OR `publish_up` <= :nowDate1) AND (`publish_down` IS NULL OR `publish_down` >= :nowDate2) AND `a`.`language` IN (:preparedArray3,:preparedArray4) ORDER BY `a`.`ordering`867μs2.28KBParams/plugins/content/pagenavigation/src/Extension/PageNavigation.php:188Copy
  • SHOW FULL COLUMNS FROM `ttl_users`395μs2.2KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:625Copy
  • SELECT * FROM `ttl_users` WHERE `id` = :userid112μs4.41KBParams/libraries/src/Table/User.php:104Copy
  • SELECT `g`.`id`,`g`.`title` FROM `ttl_usergroups` AS `g` INNER JOIN `ttl_user_usergroup_map` AS `m` ON `m`.`group_id` = `g`.`id` WHERE `m`.`user_id` = :muserid80μs1.7KBParams/libraries/src/Table/User.php:132Copy
  • SHOW FULL COLUMNS FROM `ttl_categories`441μs2.33KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:625Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '13'249μs20.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)207μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)144μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension3335μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '47'108μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)81μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)79μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension389μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '1'106μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)81μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)80μs12.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension389μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT `c`.`id`,`c`.`parent_id` FROM `ttl_engage_comments` AS `c` LEFT JOIN `ttl_users` AS `u` ON `u`.`id` = `c`.`created_by` LEFT JOIN `ttl_content` AS `a` ON `a`.`asset_id` = `c`.`asset_id` LEFT JOIN `ttl_categories` AS `cat` ON `cat`.`id` = `a`.`catid` WHERE `c`.`asset_id` = :asset_id AND `c`.`enabled` = :enabled ORDER BY `c`.`created` DESC, `c`.`id` DESC452μs1.69KBParams/administrator/components/com_engage/src/Model/CommentsModel.php:220Copy
  • SELECT COUNT(*) FROM `ttl_engage_comments` AS `c` LEFT JOIN `ttl_users` AS `u` ON `u`.`id` = `c`.`created_by` LEFT JOIN `ttl_content` AS `a` ON `a`.`asset_id` = `c`.`asset_id` LEFT JOIN `ttl_categories` AS `cat` ON `cat`.`id` = `a`.`catid` WHERE `c`.`asset_id` = :asset_id AND `c`.`enabled` = :enabled216μs2.45KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:199Copy
  • SELECT `alias` FROM `ttl_content` WHERE `id` = :id166μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `ttl_content` WHERE `id` = :id74μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `m`.`id`,`m`.`title`,`m`.`module`,`m`.`position`,`m`.`content`,`m`.`showtitle`,`m`.`params`,`mm`.`menuid` FROM `ttl_modules` AS `m` LEFT JOIN `ttl_modules_menu` AS `mm` ON `mm`.`moduleid` = `m`.`id` LEFT JOIN `ttl_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`.`client_id` = :clientId AND `m`.`access` IN (:preparedArray1,:preparedArray2)) AND (`m`.`publish_up` IS NULL OR `m`.`publish_up` <= :publishUp)) AND (`m`.`publish_down` IS NULL OR `m`.`publish_down` >= :publishDown)) AND (`mm`.`menuid` = :itemId OR `mm`.`menuid` <= 0) AND `m`.`language` IN (:preparedArray3,:preparedArray4) ORDER BY `m`.`position`,`m`.`ordering`1.48ms2.28KBParams/libraries/src/Cache/Controller/CallbackController.php:120Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`170μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • SELECT `language`,`id` FROM `ttl_menu` WHERE `home` = '1' AND `published` = 1 AND `client_id` = 092μs912B/libraries/src/Language/Multilanguage.php:123Copy
  • SELECT `alias` FROM `ttl_content` WHERE `id` = :id93μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `ttl_content` WHERE `id` = :id88μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id`,CONCAT_WS(':', `ca`.`id`, `ca`.`alias`) AS `catid` FROM `ttl_content` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_content` AS `c2` ON `a2`.`id` = `c2`.`id` INNER JOIN `ttl_categories` AS `ca` ON `c2`.`catid` = `ca`.`id` AND `ca`.`extension` = :extension2 WHERE `c`.`id` = :id AND c2.access IN (1,5) AND c2.language != 'en-GB' AND (c2.publish_up IS NULL OR c2.publish_up <= '2025-05-06 17:20:39') AND (c2.publish_down IS NULL OR c2.publish_down >= '2025-05-06 17:20:39') AND c2.state = 1650μs1.78KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT `name`,`element` FROM `ttl_extensions` WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 192μs992B/administrator/components/com_finder/src/Helper/LanguageHelper.php:135Copy
  • SELECT `title` FROM `ttl_finder_taxonomy` WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)100μs1000B/administrator/components/com_finder/src/Indexer/Taxonomy.php:314Copy
  • SELECT guest, client_id FROM ttl_session WHERE client_id = 0543μs3.88KB/modules/mod_whosonline/src/Helper/WhosonlineHelper.php:51Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END AS `publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`metadata`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`featured`,`a`.`language`,LENGTH(`a`.`fulltext`) AS `readmore`,`a`.`ordering`,`fp`.`featured_up`,`fp`.`featured_down`,CASE WHEN `c`.`published` = 2 AND `a`.`state` > 0 THEN 2 WHEN `c`.`published` != 1 THEN 0 ELSE `a`.`state` END AS `state`,`c`.`title` AS `category_title`,`c`.`path` AS `category_route`,`c`.`access` AS `category_access`,`c`.`alias` AS `category_alias`,`c`.`language` AS `category_language`,`c`.`published`,`c`.`published` AS `parents_published`,`c`.`lft`,CASE WHEN `a`.`created_by_alias` > ' ' THEN `a`.`created_by_alias` ELSE `ua`.`name` END AS `author`,`ua`.`email` AS `author_email`,`uam`.`name` AS `modified_by_name`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,COALESCE(NULLIF(ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1), 0), 0) AS `rating`,COALESCE(NULLIF(`v`.`rating_count`, 0), 0) AS `rating_count` FROM `ttl_content` AS `a` LEFT JOIN `ttl_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `ttl_users` AS `ua` ON `ua`.`id` = `a`.`created_by` LEFT JOIN `ttl_users` AS `uam` ON `uam`.`id` = `a`.`modified_by` LEFT JOIN `ttl_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `ttl_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `ttl_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE `a`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`access` IN (:preparedArray3,:preparedArray4) AND `c`.`published` = 1 AND `a`.`state` = :condition AND `a`.`id` <> :articleId AND `a`.`catid` IN (:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9,:preparedArray10,:preparedArray11,:preparedArray12,:preparedArray13) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`language` IN (:preparedArray14,:preparedArray15) ORDER BY RAND() ASC LIMIT 115.08ms107.05KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`203μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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, a.only_use_in_subform,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 ttl_fields AS a LEFT JOIN `ttl_languages` AS l ON l.lang_code = a.language LEFT JOIN ttl_users AS uc ON uc.id=a.checked_out LEFT JOIN ttl_viewlevels AS ag ON ag.id = a.access LEFT JOIN ttl_users AS ua ON ua.id = a.created_user_id LEFT JOIN ttl_fields_groups AS g ON g.id = a.group_id WHERE ( (`a`.`context` = :context AND `a`.`access` IN (:preparedArray1,:preparedArray2)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray3,:preparedArray4)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC209μs5.31KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`200μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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, a.only_use_in_subform,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 ttl_fields AS a LEFT JOIN `ttl_languages` AS l ON l.lang_code = a.language LEFT JOIN ttl_users AS uc ON uc.id=a.checked_out LEFT JOIN ttl_viewlevels AS ag ON ag.id = a.access LEFT JOIN ttl_users AS ua ON ua.id = a.created_user_id LEFT JOIN ttl_fields_groups AS g ON g.id = a.group_id LEFT JOIN `ttl_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC189μs6.06KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `asset_id` FROM `ttl_content` WHERE `id` = '57'271μs856B/plugins/content/engage/src/Extension/Engage.php:691Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '19'146μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)127μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)94μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension3108μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '48'135μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)107μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)135μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension3112μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '1'143μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)120μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)132μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END AS `publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`metadata`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`featured`,`a`.`language`,LENGTH(`a`.`fulltext`) AS `readmore`,`a`.`ordering`,`fp`.`featured_up`,`fp`.`featured_down`,CASE WHEN `c`.`published` = 2 AND `a`.`state` > 0 THEN 2 WHEN `c`.`published` != 1 THEN 0 ELSE `a`.`state` END AS `state`,`c`.`title` AS `category_title`,`c`.`path` AS `category_route`,`c`.`access` AS `category_access`,`c`.`alias` AS `category_alias`,`c`.`language` AS `category_language`,`c`.`published`,`c`.`published` AS `parents_published`,`c`.`lft`,CASE WHEN `a`.`created_by_alias` > ' ' THEN `a`.`created_by_alias` ELSE `ua`.`name` END AS `author`,`ua`.`email` AS `author_email`,`uam`.`name` AS `modified_by_name`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,COALESCE(NULLIF(ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1), 0), 0) AS `rating`,COALESCE(NULLIF(`v`.`rating_count`, 0), 0) AS `rating_count` FROM `ttl_content` AS `a` LEFT JOIN `ttl_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `ttl_users` AS `ua` ON `ua`.`id` = `a`.`created_by` LEFT JOIN `ttl_users` AS `uam` ON `uam`.`id` = `a`.`modified_by` LEFT JOIN `ttl_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `ttl_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `ttl_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE `a`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`access` IN (:preparedArray3,:preparedArray4) AND `c`.`published` = 1 AND `a`.`state` = :condition AND `a`.`id` <> :articleId AND `a`.`catid` IN (:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`language` IN (:preparedArray10,:preparedArray11) ORDER BY RAND() ASC LIMIT 18.79ms33.67KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`157μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`137μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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, a.only_use_in_subform,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 ttl_fields AS a LEFT JOIN `ttl_languages` AS l ON l.lang_code = a.language LEFT JOIN ttl_users AS uc ON uc.id=a.checked_out LEFT JOIN ttl_viewlevels AS ag ON ag.id = a.access LEFT JOIN ttl_users AS ua ON ua.id = a.created_user_id LEFT JOIN ttl_fields_groups AS g ON g.id = a.group_id LEFT JOIN `ttl_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC155μs6.06KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `asset_id` FROM `ttl_content` WHERE `id` = '249'333μs856B/plugins/content/engage/src/Extension/Engage.php:691Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '43'116μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)101μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)80μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension393μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '55'118μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)86μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)83μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension392μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '1'114μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)88μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)89μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `a`.`id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,CASE WHEN `a`.`publish_up` IS NULL THEN `a`.`created` ELSE `a`.`publish_up` END AS `publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`metadata`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`featured`,`a`.`language`,LENGTH(`a`.`fulltext`) AS `readmore`,`a`.`ordering`,`fp`.`featured_up`,`fp`.`featured_down`,CASE WHEN `c`.`published` = 2 AND `a`.`state` > 0 THEN 2 WHEN `c`.`published` != 1 THEN 0 ELSE `a`.`state` END AS `state`,`c`.`title` AS `category_title`,`c`.`path` AS `category_route`,`c`.`access` AS `category_access`,`c`.`alias` AS `category_alias`,`c`.`language` AS `category_language`,`c`.`published`,`c`.`published` AS `parents_published`,`c`.`lft`,CASE WHEN `a`.`created_by_alias` > ' ' THEN `a`.`created_by_alias` ELSE `ua`.`name` END AS `author`,`ua`.`email` AS `author_email`,`uam`.`name` AS `modified_by_name`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,COALESCE(NULLIF(ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1), 0), 0) AS `rating`,COALESCE(NULLIF(`v`.`rating_count`, 0), 0) AS `rating_count` FROM `ttl_content` AS `a` LEFT JOIN `ttl_categories` AS `c` ON `c`.`id` = `a`.`catid` LEFT JOIN `ttl_users` AS `ua` ON `ua`.`id` = `a`.`created_by` LEFT JOIN `ttl_users` AS `uam` ON `uam`.`id` = `a`.`modified_by` LEFT JOIN `ttl_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id` LEFT JOIN `ttl_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id` LEFT JOIN `ttl_content_rating` AS `v` ON `a`.`id` = `v`.`content_id` WHERE `a`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`access` IN (:preparedArray3,:preparedArray4) AND `c`.`published` = 1 AND `a`.`state` = :condition AND `a`.`id` <> :articleId AND `a`.`catid` IN (:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9,:preparedArray10,:preparedArray11,:preparedArray12,:preparedArray13,:preparedArray14,:preparedArray15) AND (`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp) AND (`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`language` IN (:preparedArray16,:preparedArray17) ORDER BY RAND() ASC LIMIT 17.39ms83.05KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`168μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`163μs5.23KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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, a.only_use_in_subform,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 ttl_fields AS a LEFT JOIN `ttl_languages` AS l ON l.lang_code = a.language LEFT JOIN ttl_users AS uc ON uc.id=a.checked_out LEFT JOIN ttl_viewlevels AS ag ON ag.id = a.access LEFT JOIN ttl_users AS ua ON ua.id = a.created_user_id LEFT JOIN ttl_fields_groups AS g ON g.id = a.group_id LEFT JOIN `ttl_fields_categories` AS fc ON fc.field_id = a.id WHERE ( (`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2,:preparedArray3)) AND `a`.`access` IN (:preparedArray4,:preparedArray5)) AND (`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray6,:preparedArray7)) AND `a`.`state` = :state) AND (`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform ORDER BY a.ordering ASC979μs6.06KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:166Copy
  • SELECT `asset_id` FROM `ttl_content` WHERE `id` = '106'197μs856B/plugins/content/engage/src/Extension/Engage.php:691Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '4'280μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)234μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)90μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension3436μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '46'143μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)89μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)84μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `c2`.`language`,CONCAT_WS(':', `c2`.`id`, `c2`.`alias`) AS `id` FROM `ttl_categories` AS `c` INNER JOIN `ttl_associations` AS `a` ON `a`.`id` = `c`.`id` AND `a`.`context` = :context INNER JOIN `ttl_associations` AS `a2` ON `a`.`key` = `a2`.`key` INNER JOIN `ttl_categories` AS `c2` ON `a2`.`id` = `c2`.`id` AND c2.extension = :extension1 WHERE `c`.`id` = :id AND `c`.`extension` = :extension395μs1.73KBParams/libraries/src/Language/Associations.php:145Copy
  • SELECT * FROM `ttl_categories` WHERE `id` = '1'118μs4.25KB/libraries/src/Table/Table.php:755Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)101μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `t`.`id` FROM `ttl_tags` AS `t` INNER JOIN `ttl_contentitem_tag_map` AS `m` ON `m`.`tag_id` = `t`.`id` WHERE `m`.`type_alias` = :prefix AND `m`.`content_item_id` IN (:preparedArray1)86μs1.63KBParams/libraries/src/Helper/TagsHelper.php:503Copy
  • SELECT `alias` FROM `ttl_content` WHERE `id` = :id102μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT `alias` FROM `ttl_content` WHERE `id` = :id76μs1.63KBParams/components/com_content/src/Service/Router.php:168Copy
  • SELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count FROM `ttl_scheduler_tasks` AS `a` WHERE `a`.`state` = 1377μs1.68KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:517Copy
  • SHOW TABLES823μs2.82KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:678Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`256μs5.25KBParams/libraries/src/Categories/Categories.php:375Copy
  • 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 `ttl_categories` AS `s` INNER JOIN `ttl_categories` AS `c` ON (`s`.`lft` < `c`.`lft` AND `c`.`lft` < `s`.`rgt` AND `c`.`language` IN (:preparedArray3,:preparedArray4)) OR (`c`.`lft` <= `s`.`lft` AND `s`.`rgt` <= `c`.`rgt`) WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id ORDER BY `c`.`lft`206μs5.25KBParams/libraries/src/Categories/Categories.php:375Copy
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