Lots of bogus errors in editor with perfectly valid query

[php4fan]

Describe the bug

To Reproduce

Select a database, go to "SQL" and paste this query:

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 avheight,
	spamlog.postid AS spamlog_postid,
	deletionlog.userid AS del_userid, deletionlog.username AS del_username, deletionlog.reason AS del_reason,
	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
	
	, post_icon_list.icon_id_list, post_icon_list.is_auto AS icon_is_auto,
                approvedlog.modid AS approvedmodid,
		approvedlog.dateline AS approveddateline, approvedlog.status AS approvedstatus, approvedlog.info AS approvedinfo,
		movedlog.modid AS movedmodid,
		movedlog.dateline AS moveddateline, movedlog.status AS movedstatus, movedlog.info AS movedinfo,
		(
			SELECT useragent FROM session
			WHERE userid=post.userid AND lastactivity > 1644859580 ORDER BY lastactivity DESC LIMIT 1
		) AS useragent,
		IF (
			user.userid IS NOT NULL, 
			(SELECT COUNT(usernoteid) FROM usernote AS usernote 
			 WHERE usernote.userid=user.userid AND usernote.priority>=0),
			0
		) AS usernotecount
	, deletionlog.dateline AS del_dateline, scheduled_approval.defer_time AS vbpmal_approval_defer_time, additional_user_data.last_year_message_count, additional_user_data.last_year_reputation, additional_user_data.last_year_groan_count, paid_post_activation.activation_id AS paid_post_activation_id, alm_Model_UserData.credits
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 spamlog AS spamlog ON(spamlog.postid = post.postid)
	LEFT JOIN deletionlog AS deletionlog ON(post.postid = deletionlog.primaryid AND deletionlog.type = 'post')
LEFT JOIN editlog AS editlog ON(editlog.postid = post.postid)
LEFT JOIN postparsed AS postparsed ON(postparsed.postid = post.postid AND postparsed.styleid = 23 AND postparsed.languageid = 5)
LEFT JOIN sigparsed AS sigparsed ON(sigparsed.userid = user.userid AND sigparsed.styleid = 23 AND sigparsed.languageid = 5)
LEFT JOIN sigpic AS sigpic ON(sigpic.userid = post.userid)
	
            LEFT JOIN vbppim_post_icon_list AS post_icon_list ON post_icon_list.post_id=post.postid
        
		LEFT JOIN vbpmal_log AS approvedlog ON (approvedlog.itemid=post.postid AND approvedlog.action='postapprove')
		LEFT JOIN vbpmal_log AS movedlog ON (movedlog.itemid=post.postid AND movedlog.action='postmove')
	
			LEFT JOIN vbpmal_scheduled_post_approval AS scheduled_approval ON scheduled_approval.post_id = post.postid
	
    LEFT JOIN vbpsmt_additional_user_data AS additional_user_data ON additional_user_data.userid=post.userid

LEFT JOIN market_pp_post_activation_mapping AS paid_post_activation ON paid_post_activation.post_id = post.postid LEFT JOIN alm_Model_UserData AS alm_Model_UserData ON alm_Model_UserData.user_id=user.userid 
WHERE post.postid IN (0,3254399,3254508,3254743,3254817,3254969,3255328,3255582,3257603,3257873,3258126,3258150,3258254,3258272,3258311,3260767,3260770,3260776,3261180,3261263,3261317,3261318)
ORDER BY post.dateline

Expected behavior

No syntax error should be shown as there is none (yes I have been able to execute this query on a database that has all the tables)

Observed behavior

(why does this stupid issue template have "expcted behavior" but not "observed behavior"?)

Lots and lots of bogus errors:

Here are a couple of them (I guess it could be the first one that then causes all the others in cascade):

Oh f*** I cannot copy the error message?? Well, I'll type just one:

An expression was expected. (near NOT)

Server configuration

the demo at https://demo.phpmyadmin.net/

Client configuration

• Browser: Chrome
• Operating system: OpenSUSE Tumbleweed

[williamdes]

Hi @php4fan
I moved this here to the right place for it to be fixed

(why does this stupid issue template have "expcted behavior" but not "observed behavior"?)

Good question, we will think about improving the template :)

[williamdes]

I think this should be added a a test case as soon as possible so when it get's fixed we can notice the difference
cc @iifawzi in case you did not know about this issue :)

[williamdes]

I tested the snapshot but for some strange reason the error still exists 🤔
What could it be @iifawzi ?

[iifawzi]

nice catch. it looks like and I don't know how, the test I've added 0d4e00c is missing the NOT keyword.
After adding it, the parser is still showing errors.

I will work on fixing this, the test should be updated, and a fix must be added to address the bug

[iifawzi]

Most probably, the approach I've gone with is incorrect. NOT, in that case, shouldn't be added as a statement option.
Although, the test for SELECT NOT 1 AS test is passing, this's kinda misleading.

I will work on creating a patch to fix the issue correctly and most probably revert the changes introduced at #388