hi, I'm getting problems with my forum/server over the past few days which is causing my server/forum to stop responding. The following query I think maybe causing or contributing to it. Could anyone help?
SELECT thread.*
,
user.*, IF(user.username IS NULL, thread.username, user.username) AS username,
node.title AS node_title, node.node_name,
post.message, post.attach_count,
deletion_log.delete_date, deletion_log.delete_reason,
deletion_log.delete_user_id, deletion_log.delete_username,
NULL AS thread_read_date,
0 AS thread_is_watched,
0 AS user_post_count,
uix_last_post_user.avatar_date AS uix_last_post_user_avatar_date,
uix_last_post_user.username AS uix_last_post_user_username,
uix_last_post_user.avatar_width AS uix_last_post_user_avatar_width,
uix_last_post_user.avatar_height AS uix_last_post_user_avatar_height,
uix_last_post_user.gravatar AS uix_last_post_user_gravatar,
uix_last_post_user.gender AS uix_last_post_user_gender,
uix_last_post_user.is_banned AS uix_last_post_user_is_banned
FROM xf_thread AS thread
LEFT JOIN xf_user AS user ON
(user.user_id = thread.user_id)
LEFT JOIN xf_node AS node ON
(node.node_id = thread.node_id)
LEFT JOIN xf_post AS post ON
(post.post_id = thread.first_post_id)
LEFT JOIN xf_deletion_log AS deletion_log ON
(deletion_log.content_type = 'thread' AND deletion_log.content_id = thread.thread_id)LEFT JOIN xf_user AS uix_last_post_user ON (uix_last_post_user.user_id = thread.last_post_user_id)
WHERE (thread.node_id = 2) AND (thread.sticky = 0) AND (thread.discussion_state IN ('visible'))
ORDER BY thread.last_post_date DESC
LIMIT 20 OFFSET 90180
SELECT thread.*
,
user.*, IF(user.username IS NULL, thread.username, user.username) AS username,
node.title AS node_title, node.node_name,
post.message, post.attach_count,
deletion_log.delete_date, deletion_log.delete_reason,
deletion_log.delete_user_id, deletion_log.delete_username,
NULL AS thread_read_date,
0 AS thread_is_watched,
0 AS user_post_count,
uix_last_post_user.avatar_date AS uix_last_post_user_avatar_date,
uix_last_post_user.username AS uix_last_post_user_username,
uix_last_post_user.avatar_width AS uix_last_post_user_avatar_width,
uix_last_post_user.avatar_height AS uix_last_post_user_avatar_height,
uix_last_post_user.gravatar AS uix_last_post_user_gravatar,
uix_last_post_user.gender AS uix_last_post_user_gender,
uix_last_post_user.is_banned AS uix_last_post_user_is_banned
FROM xf_thread AS thread
LEFT JOIN xf_user AS user ON
(user.user_id = thread.user_id)
LEFT JOIN xf_node AS node ON
(node.node_id = thread.node_id)
LEFT JOIN xf_post AS post ON
(post.post_id = thread.first_post_id)
LEFT JOIN xf_deletion_log AS deletion_log ON
(deletion_log.content_type = 'thread' AND deletion_log.content_id = thread.thread_id)LEFT JOIN xf_user AS uix_last_post_user ON (uix_last_post_user.user_id = thread.last_post_user_id)
WHERE (thread.node_id = 2) AND (thread.sticky = 0) AND (thread.discussion_state IN ('visible'))
ORDER BY thread.last_post_date DESC
LIMIT 20 OFFSET 90180
