need help on slow query

[DannCG]

hi,

can anyone advise me from which activity this query is coming from? im logging slow query and these 3 queries really get logged many times. also kindly advise any solution if you have any.. tq

1. SELECT post.*, post.username AS postusername, post.ipaddress AS ip, IF(post.visible = 2, 1, 0) AS isdeleted,
user.*, userfield.*
, '' AS field15, '' AS field21, '' AS field22, '' AS field23, '' AS field24


FROM post AS post
LEFT JOIN user AS user ON(user.userid = post.userid)
LEFT JOIN userfield AS userfield ON(userfield.userid = user.userid)


WHERE threadid = 35612


ORDER BY postid;

2. SELECT
post.*, post.username AS postusername, post.ipaddress AS ip, IF(post.visible = 2, 1, 0) AS isdeleted,
user.*, userfield.*, usertextfield.*,
icon.title as icontitle, icon.iconpath,
avatar.avatarpath, NOT ISNULL(customavatar.userid) AS hascustomavatar, customavatar.dateline AS avatardateline,customavatar.width AS avwidth,customavatar.height AS $




editlog.userid AS edit_userid, editlog.username AS edit_username, editlog.dateline AS edit_dateline,
editlog.reason AS edit_reason, editlog.hashistory,
postparsed.pagetext_html, postparsed.hasimages,
sigparsed.signatureparsed, sigparsed.hasimages AS sighasimages,
sigpic.userid AS sigpic, sigpic.dateline AS sigpicdateline, sigpic.width AS sigpicwidth, sigpic.height AS sigpicheight,
IF(displaygroupid=0, user.usergroupid, displaygroupid) AS displaygroupid, infractiongroupid
, '' AS field15, '' AS field21, '' AS field22, '' AS field23, '' AS field24
,blog_user.entries
FROM post AS post
LEFT JOIN user AS user ON(user.userid = post.userid)
LEFT JOIN userfield AS userfield ON(userfield.userid = user.userid)
LEFT JOIN usertextfield AS usertextfield ON(usertextfield.userid = user.userid)
LEFT JOIN icon AS icon ON(icon.iconid = post.iconid)
LEFT JOIN avatar AS avatar ON(avatar.avatarid = user.avatarid) LEFT JOIN customavatar AS customavatar ON(customavatar.userid = user.userid)




LEFT JOIN editlog AS editlog ON(editlog.postid = post.postid)
LEFT JOIN postparsed AS postparsed ON(postparsed.postid = post.postid AND postparsed.styleid = 7 AND postparsed.languageid = 1)
LEFT JOIN sigparsed AS sigparsed ON(sigparsed.userid = user.userid AND sigparsed.styleid = 7 AND sigparsed.languageid = 1)
LEFT JOIN sigpic AS sigpic ON(sigpic.userid = post.userid)
LEFT JOIN blog_user AS blog_user ON (blog_user.bloguserid = post.userid)
WHERE post.postid IN (0,12910040,12910513,12910546,12910558,12910587,12910680,12910756,12910773,12910783,129107 88)
ORDER BY post.dateline;

3. UPDATE user
SET lastactivity = 1334487360
WHERE userid = 46353;

thanks