- La maestría cumple 40 años y el doctorado 20; pertenecen al Centro de Investigaciones en Dispositivos Semiconductores del ICUAP
La formación de profesionistas dedicados a la caracterización y desarrollo de materiales y dispositivos semiconductores para distintas aplicaciones es uno de los principales logros del posgrado en Dispositivos Semiconductores, tras cuatro décadas de su creación.
El posgrado, que se imparte en el Centro de Investigaciones en Dispositivos Semiconductores (CIDS) del Instituto de Ciencias de la BUAP (ICUAP), ha sido impulsor del desarrollo científico y tecnológico local y nacional, gracias a la capacitación de recursos humanos de alta calidad, dedicados a la investigación básica y aplicada.
El CIDS ofrece la Maestría y el Doctorado en Dispositivos Semiconductores, reconocidos por el Sistema Nacional de Posgrados de la SECIHTI. El primero cumple 40 años de labor académica -aprobado por el Consejo Universitario en junio de 1985-, ha egresado 55 generaciones y titulado a 198 alumnos. Hoy es un referente en dicha área del conocimiento en la región centro-sur del país.
Con una generación de cuatro estudiantes, la Maestría en Dispositivos Semiconductores inició actividades en mayo de 1986 y en 1988 se incorporó al Padrón de Excelencia del entonces Conacyt. En aquella época, académicos de la hoy Facultad de Ciencias Físico Matemáticas de la BUAP, así como del CINVESTAV y del Instituto Nacional de Astrofísica, Óptica y Electrónica (INAOE) se incorporaron a su planta docente.
A su vez, el Doctorado en Dispositivos Semiconductores entró en funciones en 2006, tras ser aprobado por el Consejo Universitario el 19 de mayo de 2005. En este año se puso en marcha el difractómetro de rayos X, equipo necesario para la caracterización de los materiales que potencialmente pueden actuar como semiconductores.
Durante 20 años ha formado perfiles de alta calidad dedicados a la creación, desarrollo y caracterización de materiales semiconductores, al diseño de circuitos integrados, a la docencia y al impulso de proyectos de investigación que son la base de dispositivos electrónicos, como celulares, computadoras, tabletas, televisores y vehículos, entre otros. Este programa ha egresado 37 generaciones y titulado a 84 estudiantes.
Logros tecnológicos del posgrado
Diversos son los proyectos de investigación y desarrollos tecnológicos del CIDS, gracias a su posgrado. En 1987, un año después de la creación de la maestría, se diseñó un prototipo electro-estimulador funcional para rehabilitación de personas hemipléjicas, un estimulador de campo magnético para el tratamiento de fracturas óseas y un oxigenador de sangre.
Al año siguiente, el centro incursionó en el diseño, desarrollo, construcción y aplicación de equipo de hipertemia para pacientes oncológicos atendidos en el Departamento de Radioterapia del Hospital de Especialidades del IMSS en Puebla.
En 1992 se fabricó el primer laser semiconductor de arseniuro de galio; así también, tecnología para la elaboración de circuitos integrados en baja escala de integración y prototipos de mano electromecánica, de laringe electrónica y de marcapasos externo, además de interfaces para el tratamiento y diagnóstico de alteraciones del lenguaje.
En 2005 se obtuvo silicio poroso; además, se diseñaron un prototipo para estimulación magnética transcraneal, un panel fotovoltaico de concentración solar, una alineadora de mascarillas para procesos de microelectrónica y un sistema de epitaxia en fase líquida. En 2006 se logró la simulación de dispositivos microelectromecánicos y se creó un diodo electroluminiscente metal-semiconductor usando silicio poroso.
Para 2023, el CIDS se vinculó a una propuesta científica que involucra a varios laboratorios nacionales, titulada “Innovación y desarrollo de prototipos de módulos fotovoltaicos a partir de celdas solares experimentales”, impulsada por el Proyecto LNC-2023-33: I&D, liderado por el doctor Karunakaran Nair Padmanabhan Pankajakshy, responsable técnico del Laboratorio Nacional de Innovación Fotovoltaica y Caracterización de Celdas Solares (LIFYCS) del IER-UNAM.
En el presente año, los proyectos “Sistema para síntesis de películas fotoluminiscentes oxicarburos de silicio” y “Microcavidades en el UV basadas en silicio poroso”, obtuvieron sus títulos de patente; el primero el 28 de enero y el segundo el 12 de junio.
El CIDS inició como Laboratorio de Semiconductores en 1976, a iniciativa de los profesores visitantes del CINVESTAV Javier Villanueva Lomelí, Juvencio Monroy Ponce -quien fue rector de la BUAP de 1989 a 1990-, Carlos López Ramírez y Alejandro Pedroza Meléndez, uno de los creadores del robot pianista Don Cuco “El Guapo”. Posteriormente, este laboratorio se convirtió en departamento.
Cuatro decadas de trabajo científico del ICUAP
Domingo, 05 Octubre 2025 10:14 Escrito por Redacción
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ON b.lft <= a.lft
AND b.rgt >= a.rgt
WHERE a.id = 9id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE a const PRIMARY PRIMARY 4 const 1 1 SIMPLE b range idx_usergroup_nested_set_lookup idx_usergroup_nested_set_lookup 4 NULL 3 Using where; Using index No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 11 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1541 10 JDatabaseDriver->loadColumn() JROOT/libraries/joomla/access/access.php:354 9 JAccess::getGroupsByUser() JROOT/libraries/joomla/access/access.php:111 8 JAccess::check() JROOT/libraries/joomla/user/user.php:393 7 JUser->authorise() JROOT/components/com_k2/k2.php:16 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.15 ms Después de la última consulta: 12.78 ms
SELECT id
FROM qgn06_k2_categories
WHERE published=1
AND trash=0
AND access IN(1,1,5)id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories range category,published,access,trash category 8 NULL 56 Using where; Using index No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1541 13 JDatabaseDriver->loadColumn() JROOT/components/com_k2/helpers/permissions.php:274 12 K2HelperPermissions::canAddItem() JROOT/components/com_k2/views/item/view.html.php:36 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.46 ms Después de la última consulta: 0.23 ms
SELECT *
FROM qgn06_k2_items
WHERE id=38630
LIMIT 0, 1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_items const PRIMARY PRIMARY 4 const 1 No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1653 13 JDatabaseDriver->loadObject() JROOT/components/com_k2/models/item.php:36 12 K2ModelItem->getData() JROOT/components/com_k2/views/item/view.html.php:42 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.89 ms Después de la última consulta: 0.85 ms
SHOW FULL COLUMNS
FROM `qgn06_k2_categories`'Explicar' no es posible en la consulta: SHOW FULL COLUMNS FROM `qgn06_k2_categories`No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 19 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 18 JDatabaseDriver->loadObjectList() JROOT/libraries/joomla/database/driver/mysqli.php:440 17 JDatabaseDriverMysqli->getTableColumns() JROOT/libraries/joomla/table/table.php:241 16 JTable->getFields() JROOT/libraries/joomla/table/table.php:162 15 JTable->__construct() JROOT/administrator/components/com_k2/tables/k2category.php:36 14 TableK2Category->__construct() JROOT/libraries/joomla/table/table.php:305 13 JTable::getInstance() JROOT/components/com_k2/models/item.php:74 12 K2ModelItem->prepareItem() JROOT/components/com_k2/views/item/view.html.php:51 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.16 ms Después de la última consulta: 0.75 ms
SELECT *
FROM qgn06_k2_categories
WHERE id = '35'id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories const PRIMARY PRIMARY 4 const 1 No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 15 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1456 14 JDatabaseDriver->loadAssoc() JROOT/administrator/components/com_k2/tables/k2category.php:67 13 TableK2Category->load() JROOT/components/com_k2/models/item.php:75 12 K2ModelItem->prepareItem() JROOT/components/com_k2/views/item/view.html.php:51 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.19 ms Después de la última consulta: 1.20 ms
SELECT id, name, parent
FROM qgn06_k2_categories
WHERE published=1
AND trash=0
AND access IN(1,1,5)
ORDER BY parentid select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories ref category,published,access,trash category 2 const 56 Using index condition; Using where; Usando 'filesort' No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 17 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 16 JDatabaseDriver->loadObjectList() JROOT/components/com_k2/models/itemlist.php:1245 15 K2ModelItemlist->getCategoriesTree() JROOT/components/com_k2/helpers/route.php:314 14 K2HelperRoute::_findItem() JROOT/components/com_k2/helpers/route.php:58 13 K2HelperRoute::getCategoryRoute() JROOT/components/com_k2/models/item.php:78 12 K2ModelItem->prepareItem() JROOT/components/com_k2/views/item/view.html.php:51 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.14 ms Después de la última consulta: 2.06 ms
SELECT *
FROM qgn06_k2_categories
WHERE id = '4'id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories const PRIMARY PRIMARY 4 const 1 No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 15 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1456 14 JDatabaseDriver->loadAssoc() JROOT/administrator/components/com_k2/tables/k2category.php:67 13 TableK2Category->load() JROOT/components/com_k2/models/item.php:96 12 K2ModelItem->prepareItem() JROOT/components/com_k2/views/item/view.html.php:51 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.55 ms Después de la última consulta: 0.70 ms
SELECT tag.*
FROM qgn06_k2_tags AS tag JOIN qgn06_k2_tags_xref AS xref
ON tag.id = xref.tagID
WHERE tag.published=1
AND xref.itemID = 38630
ORDER BY xref.id ASCid select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE xref ref tagID,itemID itemID 4 const 15 Using where 1 SIMPLE tag eq_ref PRIMARY,published PRIMARY 4 admin_ddpue3.xref.tagID 1 Using where No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 15 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 14 JDatabaseDriver->loadObjectList() JROOT/components/com_k2/models/item.php:1406 13 K2ModelItem->getItemTags() JROOT/components/com_k2/models/item.php:109 12 K2ModelItem->prepareItem() JROOT/components/com_k2/views/item/view.html.php:51 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.14 ms Después de la última consulta: 2.85 ms
SELECT COUNT(*)
FROM qgn06_k2_comments
WHERE itemID=38630
AND published=1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments countComments 8 const,const 1 Using index No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 15 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1731 14 JDatabaseDriver->loadResult() JROOT/components/com_k2/models/item.php:1741 13 K2ModelItem->countItemComments() JROOT/components/com_k2/models/item.php:275 12 K2ModelItem->prepareItem() JROOT/components/com_k2/views/item/view.html.php:51 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 1.24 ms Después de la última consulta: 6.59 ms
SHOW FULL COLUMNS
FROM `qgn06_k2_items`'Explicar' no es posible en la consulta: SHOW FULL COLUMNS FROM `qgn06_k2_items`No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 19 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 18 JDatabaseDriver->loadObjectList() JROOT/libraries/joomla/database/driver/mysqli.php:440 17 JDatabaseDriverMysqli->getTableColumns() JROOT/libraries/joomla/table/table.php:241 16 JTable->getFields() JROOT/libraries/joomla/table/table.php:162 15 JTable->__construct() JROOT/administrator/components/com_k2/tables/k2item.php:58 14 TableK2Item->__construct() JROOT/libraries/joomla/table/table.php:305 13 JTable::getInstance() JROOT/components/com_k2/models/item.php:923 12 K2ModelItem->hit() JROOT/components/com_k2/views/item/view.html.php:135 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.85 ms Después de la última consulta: 0.37 ms
UPDATE qgn06_k2_items
SET `hits` = (`hits` + 1)
WHERE `id` = '38630''Explicar' no es posible en la consulta: UPDATE qgn06_k2_items SET `hits` = (`hits` + 1) WHERE `id` = '38630'No 'Mostrar perfil' (seguramente porque se realizan más de 100 consultas)# Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/table/table.php:1249 13 JTable->hit() JROOT/components/com_k2/models/item.php:924 12 K2ModelItem->hit() JROOT/components/com_k2/views/item/view.html.php:135 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.49 ms Después de la última consulta: 0.24 ms
SELECT *
FROM qgn06_k2_comments
WHERE itemID=38630
AND published=1
ORDER BY commentDate DESC
LIMIT 0, 10id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments itemID 4 const 1 Using where; Usando 'filesort' Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.03 ms checking permissions 0.01 ms Opening tables 0.01 ms After opening tables 0.01 ms System lock 0.01 ms Table lock 0.01 ms After table lock 0.01 ms Waiting for query cache lock 0.00 ms After table lock 0.02 ms init 0.02 ms optimizing 0.01 ms statistics 0.10 ms preparing 0.02 ms executing 0.01 ms Sorting result 0.03 ms Sending data 0.02 ms end 0.01 ms query end 0.01 ms closing tables 0.01 ms freeing items 0.01 ms updating status 0.01 ms Waiting for query cache lock 0.01 ms updating status 0.01 ms Waiting for query cache lock 0.00 ms updating status 0.00 ms storing result in query cache 0.03 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 13 JDatabaseDriver->loadObjectList() JROOT/components/com_k2/models/item.php:1719 12 K2ModelItem->getItemComments() JROOT/components/com_k2/views/item/view.html.php:241 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 8.56 ms Después de la última consulta: 1.26 ms
SELECT DISTINCT itemID
FROM qgn06_k2_tags_xref
WHERE tagID IN (374,19377,55467,2867,3711,5747,34,5293,49150,10307,823,2617,7133,7,1800)
AND itemID!=38630id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_tags_xref range tagID,itemID tagID 4 NULL 1634 Using index condition; Using where; Using temporary Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.03 ms checking permissions 0.01 ms Opening tables 0.01 ms After opening tables 0.01 ms System lock 0.01 ms Table lock 0.00 ms After table lock 0.01 ms Waiting for query cache lock 0.00 ms After table lock 0.02 ms init 0.02 ms optimizing 0.01 ms statistics 1.15 ms preparing 0.02 ms executing 0.01 ms Creating tmp table 0.02 ms Copying to tmp table 6.48 ms Sending data 0.25 ms end 0.01 ms removing tmp table 0.01 ms end 0.01 ms query end 0.01 ms closing tables 0.01 ms freeing items 0.01 ms updating status 0.01 ms Waiting for query cache lock 0.00 ms updating status 0.02 ms Waiting for query cache lock 0.00 ms updating status 0.00 ms storing result in query cache 0.00 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1541 13 JDatabaseDriver->loadColumn() JROOT/components/com_k2/models/itemlist.php:927 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 4.73 ms Después de la última consulta: 1.12 ms
SELECT i.*, c.alias as categoryalias
FROM qgn06_k2_items as i
LEFT JOIN qgn06_k2_categories c
ON c.id = i.catid
WHERE i.published = 1
AND ( i.publish_up = '0000-00-00 00:00:00' OR i.publish_up <= '2025-11-20 03:32:31' )
AND ( i.publish_down = '0000-00-00 00:00:00' OR i.publish_down >= '2025-11-20 03:32:31' )
AND i.access IN(1,1,5)
AND i.trash = 0
AND c.published = 1
AND c.access IN(1,1,5)
AND c.trash = 0
AND (i.id) IN 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ORDER BY i.created DESC
LIMIT 0, 5id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE i index PRIMARY,item,catid created 8 NULL 170 Using where 1 SIMPLE c eq_ref PRIMARY,category,published,access,trash PRIMARY 4 admin_ddpue3.i.catid 1 Using where Status Duration starting 0.02 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.47 ms checking permissions 0.01 ms checking permissions 0.01 ms Opening tables 0.02 ms After opening tables 0.01 ms System lock 0.01 ms Table lock 0.00 ms After table lock 0.01 ms Waiting for query cache lock 0.00 ms After table lock 0.11 ms init 0.31 ms optimizing 0.18 ms statistics 1.64 ms preparing 1.31 ms executing 0.01 ms Sorting result 0.01 ms Sending data 0.24 ms Waiting for query cache lock 0.01 ms Sending data 0.12 ms end 0.01 ms query end 0.01 ms closing tables 0.01 ms freeing items 0.02 ms updating status 0.01 ms Waiting for query cache lock 0.00 ms updating status 0.01 ms Waiting for query cache lock 0.01 ms updating status 0.00 ms storing result in query cache 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 13 JDatabaseDriver->loadObjectList() JROOT/components/com_k2/models/itemlist.php:975 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.14 ms Después de la última consulta: 2.33 ms
SELECT COUNT(*)
FROM qgn06_k2_comments
WHERE itemID=40107
AND published=1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments countComments 8 const,const 1 Using index Status Duration starting 0.02 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.02 ms checking privileges on cached 0.00 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1731 15 JDatabaseDriver->loadResult() JROOT/components/com_k2/models/item.php:1741 14 K2ModelItem->countItemComments() JROOT/components/com_k2/models/item.php:275 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.14 ms Después de la última consulta: 0.42 ms
SELECT *
FROM qgn06_k2_categories
WHERE id = '27'id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories const PRIMARY PRIMARY 4 const 1 Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.01 ms checking privileges on cached 0.00 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1456 15 JDatabaseDriver->loadAssoc() JROOT/administrator/components/com_k2/tables/k2category.php:67 14 TableK2Category->load() JROOT/components/com_k2/models/item.php:75 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.14 ms Después de la última consulta: 2.28 ms
SELECT COUNT(*)
FROM qgn06_k2_comments
WHERE itemID=40104
AND published=1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments countComments 8 const,const 1 Using index Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.02 ms checking privileges on cached 0.00 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1731 15 JDatabaseDriver->loadResult() JROOT/components/com_k2/models/item.php:1741 14 K2ModelItem->countItemComments() JROOT/components/com_k2/models/item.php:275 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.14 ms Después de la última consulta: 0.38 ms
SELECT *
FROM qgn06_k2_categories
WHERE id = '33'id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories const PRIMARY PRIMARY 4 const 1 Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.01 ms checking privileges on cached 0.00 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1456 15 JDatabaseDriver->loadAssoc() JROOT/administrator/components/com_k2/tables/k2category.php:67 14 TableK2Category->load() JROOT/components/com_k2/models/item.php:75 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.15 ms Después de la última consulta: 2.21 ms
SELECT COUNT(*)
FROM qgn06_k2_comments
WHERE itemID=40098
AND published=1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments countComments 8 const,const 1 Using index Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.01 ms checking privileges on cached 0.01 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1731 15 JDatabaseDriver->loadResult() JROOT/components/com_k2/models/item.php:1741 14 K2ModelItem->countItemComments() JROOT/components/com_k2/models/item.php:275 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.13 ms Después de la última consulta: 0.39 ms
SELECT *
FROM qgn06_k2_categories
WHERE id = '38'id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_categories const PRIMARY PRIMARY 4 const 1 Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.01 ms checking privileges on cached 0.00 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1456 15 JDatabaseDriver->loadAssoc() JROOT/administrator/components/com_k2/tables/k2category.php:67 14 TableK2Category->load() JROOT/components/com_k2/models/item.php:75 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.17 ms Después de la última consulta: 2.14 ms
SELECT COUNT(*)
FROM qgn06_k2_comments
WHERE itemID=40094
AND published=1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments countComments 8 const,const 1 Using index Status Duration starting 0.01 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.04 ms checking privileges on cached 0.01 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1731 15 JDatabaseDriver->loadResult() JROOT/components/com_k2/models/item.php:1741 14 K2ModelItem->countItemComments() JROOT/components/com_k2/models/item.php:275 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.23 ms Después de la última consulta: 2.22 ms
SELECT COUNT(*)
FROM qgn06_k2_comments
WHERE itemID=40093
AND published=1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_comments ref itemID,published,latestComments,countComments countComments 8 const,const 1 Using index Status Duration starting 0.03 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.02 ms checking privileges on cached 0.00 ms checking permissions 0.01 ms sending cached result to clien 0.01 ms updating status 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 16 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1731 15 JDatabaseDriver->loadResult() JROOT/components/com_k2/models/item.php:1741 14 K2ModelItem->countItemComments() JROOT/components/com_k2/models/item.php:275 13 K2ModelItem->prepareItem() JROOT/components/com_k2/models/itemlist.php:988 12 K2ModelItemlist->getRelatedItems() JROOT/components/com_k2/views/item/view.html.php:305 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 1.14 ms Después de la última consulta: 0.97 ms
SELECT *
FROM qgn06_k2_items
WHERE id != 38630
AND catid=35
AND ordering > 2602
AND published=1
AND ( publish_up = '0000-00-00 00:00:00' OR publish_up <= '2025-11-20 03:32:31' )
AND ( publish_down = '0000-00-00 00:00:00' OR publish_down >= '2025-11-20 03:32:31' )
AND access IN(1,1,5)
AND trash=0
ORDER BY ordering ASC
LIMIT 0, 1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_items range PRIMARY,item,catid,ordering ordering 4 NULL 24231 Using where Status Duration starting 0.02 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.06 ms checking permissions 0.01 ms Opening tables 0.01 ms After opening tables 0.01 ms System lock 0.01 ms Table lock 0.00 ms After table lock 0.01 ms Waiting for query cache lock 0.00 ms After table lock 0.02 ms init 0.04 ms optimizing 0.02 ms statistics 0.26 ms preparing 0.10 ms executing 0.01 ms Sorting result 0.02 ms Sending data 0.34 ms end 0.01 ms query end 0.01 ms closing tables 0.01 ms freeing items 0.01 ms updating status 0.01 ms Waiting for query cache lock 0.01 ms updating status 0.02 ms Waiting for query cache lock 0.01 ms updating status 0.00 ms storing result in query cache 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1653 13 JDatabaseDriver->loadObject() JROOT/components/com_k2/models/item.php:1857 12 K2ModelItem->getNextItem() JROOT/components/com_k2/views/item/view.html.php:322 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 0.77 ms Después de la última consulta: 0.61 ms
SELECT *
FROM qgn06_k2_items
WHERE id != 38630
AND catid=35
AND ordering < 2602
AND published=1
AND ( publish_up = '0000-00-00 00:00:00' OR publish_up <= '2025-11-20 03:32:31' )
AND ( publish_down = '0000-00-00 00:00:00' OR publish_down >= '2025-11-20 03:32:31' )
AND access IN(1,1,5)
AND trash=0
ORDER BY ordering DESC
LIMIT 0, 1id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE qgn06_k2_items range PRIMARY,item,catid,ordering ordering 4 NULL 24231 Using where Status Duration starting 0.02 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.05 ms checking permissions 0.01 ms Opening tables 0.01 ms After opening tables 0.01 ms System lock 0.01 ms Table lock 0.00 ms After table lock 0.01 ms Waiting for query cache lock 0.00 ms After table lock 0.02 ms init 0.04 ms optimizing 0.02 ms statistics 0.10 ms preparing 0.08 ms executing 0.01 ms Sorting result 0.02 ms Sending data 0.19 ms end 0.01 ms query end 0.01 ms closing tables 0.01 ms freeing items 0.01 ms updating status 0.01 ms Waiting for query cache lock 0.00 ms updating status 0.02 ms Waiting for query cache lock 0.00 ms updating status 0.00 ms storing result in query cache 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 14 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1653 13 JDatabaseDriver->loadObject() JROOT/components/com_k2/models/item.php:1812 12 K2ModelItem->getPreviousItem() JROOT/components/com_k2/views/item/view.html.php:363 11 K2ViewItem->display() JROOT/libraries/legacy/controller/legacy.php:690 10 JControllerLegacy->display() JROOT/components/com_k2/controllers/controller.php:20 9 K2Controller->display() JROOT/components/com_k2/controllers/item.php:80 8 K2ControllerItem->display() JROOT/libraries/legacy/controller/legacy.php:728 7 JControllerLegacy->execute() JROOT/components/com_k2/k2.php:63 6 require_once JROOT/components/com_k2/k2.php JROOT/libraries/cms/component/helper.php:405 5 JComponentHelper::executeComponent() JROOT/libraries/cms/component/helper.php:380 4 JComponentHelper::renderComponent() JROOT/libraries/cms/application/site.php:191 3 JApplicationSite->dispatch() JROOT/libraries/cms/application/site.php:230 2 JApplicationSite->doExecute() JROOT/libraries/cms/application/cms.php:257 1 JApplicationCms->execute() JROOT/index.php:49 - Tiempo de la consulta: 3.27 ms Después de la última consulta: 50.79 ms
SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid
FROM qgn06_modules AS m
LEFT JOIN qgn06_modules_menu AS mm
ON mm.moduleid = m.id
LEFT JOIN qgn06_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 <= '2025-11-20 03:32:31')
AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2025-11-20 03:32:31')
AND m.access IN (1,1,5)
AND m.client_id = 0
AND (mm.menuid = 0 OR mm.menuid <= 0)
ORDER BY m.position, m.orderingid select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE m ref PRIMARY,published,newsfeeds published 1 const 144 Using index condition; Using where; Usando 'filesort' 1 SIMPLE e ref element_clientid,element_folder_clientid element_clientid 403 admin_ddpue3.m.module,const 1 Using index condition; Using where 1 SIMPLE mm ref PRIMARY PRIMARY 4 admin_ddpue3.m.id 1 Using where; Using index Status Duration starting 0.02 ms Waiting for query cache lock 0.01 ms checking query cache for query 0.07 ms checking permissions 0.01 ms checking permissions 0.00 ms checking permissions 0.01 ms Opening tables 0.02 ms After opening tables 0.01 ms System lock 0.01 ms Table lock 0.01 ms After table lock 0.01 ms Waiting for query cache lock 0.01 ms After table lock 0.03 ms init 0.03 ms optimizing 0.03 ms statistics 0.07 ms preparing 0.04 ms executing 0.01 ms Sorting result 0.74 ms Sending data 1.47 ms Waiting for query cache lock 0.01 ms Sending data 0.23 ms end 0.01 ms query end 0.01 ms closing tables 0.01 ms freeing items 0.01 ms updating status 0.01 ms Waiting for query cache lock 0.00 ms updating status 0.02 ms Waiting for query cache lock 0.01 ms updating status 0.00 ms storing result in query cache 0.01 ms cleaning up 0.01 ms # Comunicador Archivo y número de línea 12 JDatabaseDriverMysql->execute() JROOT/libraries/joomla/database/driver.php:1692 11 JDatabaseDriver->loadObjectList() JROOT/libraries/cms/module/helper.php:409 10 JModuleHelper::getModuleList() JROOT/libraries/cms/module/helper.php:352 9 JModuleHelper::load() JROOT/libraries/cms/module/helper.php:84 8 JModuleHelper::getModules() JROOT/libraries/joomla/document/renderer/html/modules.php:40 7 JDocumentRendererHtmlModules->render() JROOT/libraries/joomla/document/html.php:411 6 JDocumentHtml->getBuffer() JROOT/libraries/joomla/document/html.php:697 5 JDocumentHtml->_renderTemplate() JROOT/libraries/joomla/document/html.php:477 4 JDocumentHtml->render() JROOT/libraries/cms/application/cms.php:1068 3 JApplicationCms->render() JROOT/libraries/cms/application/site.php:745 2 JApplicationSite->render() JROOT/libraries/cms/application/cms.php:263 1 JApplicationCms->execute() JROOT/index.php:49
24 tipo de consultas registradas, ordenadas por la ocurrencia
Tablas SELECCIONADAS:
6 × SELECT COUNT(*)
FROM qgn06_k2_comments5 × SELECT *
FROM qgn06_k2_categories3 × SELECT *
FROM qgn06_k2_items2 × SELECT extension_id AS id, element AS "option", params, enabled
FROM qgn06_extensions1 × SELECT tag.*
FROM qgn06_k2_tags AS tag JOIN qgn06_k2_tags_xref AS xref
ON tag.id = xref.tagID1 × SELECT id, name, parent
FROM qgn06_k2_categories1 × SELECT DISTINCT itemID
FROM qgn06_k2_tags_xref1 × SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid
FROM qgn06_modules AS m
LEFT JOIN qgn06_modules_menu AS mm
ON mm.moduleid = m.id
LEFT JOIN qgn06_extensions AS e
ON e.element = m.module
AND e.client_id = m.client_id1 × SELECT i.*, c.alias as categoryalias
FROM qgn06_k2_items as i
LEFT JOIN qgn06_k2_categories c
ON c.id = i.catid1 × SELECT *
FROM qgn06_k2_comments1 × SELECT id
FROM qgn06_k2_categories1 × SELECT id, home, template, s.params
FROM qgn06_template_styles as s
LEFT JOIN qgn06_extensions as e
ON e.element=s.template
AND e.type='template'
AND e.client_id=s.client_id1 × 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 qgn06_menu AS m
LEFT JOIN qgn06_extensions AS e
ON m.component_id = e.extension_id1 × SELECT folder AS type, element AS name, params
FROM qgn06_extensions1 × SELECT s.id, e.extension_id, s.template AS name, s.title, s.params
FROM qgn06_template_styles AS s
LEFT JOIN qgn06_extensions AS e
ON e.element=s.template
AND e.type='template'
AND e.client_id=s.client_id1 × SELECT *
FROM qgn06_languages1 × SELECT b.id
FROM qgn06_usergroups AS a
LEFT JOIN qgn06_usergroups AS b
ON b.lft <= a.lft
AND b.rgt >= a.rgt1 × SELECT b.rules
FROM qgn06_assets AS a
LEFT JOIN qgn06_assets AS b
ON b.lft <= a.lft
AND b.rgt >= a.rgt1 × SELECT `session_id`
FROM `qgn06_session`
OTRAS tablas:
1 × UPDATE qgn06_k2_items
SET `hits` = (`hits` + 1)1 × SHOW FULL COLUMNS
FROM `qgn06_k2_items1 × SHOW FULL COLUMNS
FROM `qgn06_k2_categories1 × UPDATE `qgn06_extensions`
SET `params` = '{\"mediaversion\":\"66283987afeb8e7d58f8dc132349748f\"}'1 × DELETE
FROM `qgn06_session`