i have one major performance with my joomla website. If i activate the "Lates-News"Module and set it to 25 articles, then i get a very slow querie. The debug mode shows:
Sending data 350.33 ms
Creating sort index 3.10 ms
for:
Code: Select all
SELECT DISTINCT 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,
CASE WHEN c.published = 2
AND a.state > 0 THEN 2 WHEN c.published != 1 THEN 0 ELSE a.state END as state,
CASE WHEN a.modified = '0000-00-00 00:00:00' THEN a.created ELSE a.modified END as modified, a.modified_by, uam.name as modified_by_name,
CASE WHEN a.publish_up = '0000-00-00 00:00:00' 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.xreference, a.featured, a.language, LENGTH(a.fulltext) AS readmore,c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias,c.published, c.published AS parents_published,
CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author,ua.email AS author_email,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,COALESCE(NULLIF(ROUND(v.rating_sum / v.rating_count, 0), 0), 0) AS rating,
COALESCE(NULLIF(v.rating_count, 0), 0) as rating_count
FROM jos_content AS a
LEFT JOIN jos_categories AS c
ON c.id = a.catid
LEFT JOIN jos_users AS ua
ON ua.id = a.created_by
LEFT JOIN jos_users AS uam
ON uam.id = a.modified_by
LEFT JOIN jos_categories as parent
ON parent.id = c.parent_id
LEFT JOIN jos_content_rating AS v
ON a.id = v.content_id
WHERE a.access IN (1,1,5)
AND c.access IN (1,1,5)
AND c.published = 1
AND a.state = 1
AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2017-12-05 16:26:50')
AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2017-12-05 16:26:50')
ORDER BY a.created DESC
LIMIT 25
Thank you very much =)