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Bug 2880 - Page history gets mixed up if entries were created the same minute


Summary:	Page history gets mixed up if entries were created the same minute

Status:	RESOLVED DUPLICATE of bug 2930

Product:	MediaWiki
Classification:	Unclassified
Component:	History/Diffs (Other open bugs)
Version:	1.5.x
Hardware:	All All

Importance:	Normal normal with 1 vote (vote)
Target Milestone:	---
Assigned To:	Nobody - You can work on this!

URL:	http://hu.wikipedia.org/w/index.php?t...
Whiteboard:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2005-07-16 16:42 UTC by Peter Gervai (grin)
Modified:	2010-05-15 15:37 UTC (History)
CC List:	1 user (show)

See Also:
Web browser:	---
Mobile Platform:	---
Assignee Huggle Beta Tester:	---

Attachments
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Description Peter Gervai (grin) 2005-07-16 16:42:32 UTC

See the URL for example, these diffs were in this order. They were created in
the same minute. 

Page history show them in opposite order, which makes diffs selected from page
history look very funny (or stupid, depending on who does the look).

Comment 1 Edward Schaefer 2005-07-18 15:46:20 UTC

Also http://en.wikipedia.org/w/index.php?
title=User:Ems57fcva/sandbox/General_relativity_2&action=history .

The comments for the diffs are in the right order, but the versions are mixed 
up, with the more recent one (currently the current revision) being listed 
second.

Comment 2 lɛʁi לערי ריינהארט 2005-10-15 11:20:17 UTC

http://hu.wikipedia.org/w/index.php?title=A_Gy%C5%B1r%C5%B1k_Ura&action=history

# (akt) (előző)  2005. július 15., 18:02 Dhanak A (→A könyv - ó,ó,ó)
# (akt) (előző) 2005. július 15., 18:02 Dhanak A (→Korai kísérletek - ó)

http://hu.wikipedia.org/w/index.php?title=A_Gy%C5%B1r%C5%B1k_Ura&oldid=184483
http://hu.wikipedia.org/w/index.php?title=A_Gy%C5%B1r%C5%B1k_Ura&oldid=184485

use (timestamp, oldid) as sort criteria

Regards Reinhardt [[user:gangleri]]

Comment 3 AySz88 2006-01-21 04:34:02 UTC

Recent occurance in the English Wikipedia:

In the [http://en.wikipedia.org/w/index.php?
title=Hurricane_Katrina&action=history Hurricane Katrina history], there are the 
following edits in this order:

(cur) ([http://en.wikipedia.org/w/index.php?
title=Hurricane_Katrina&diff=35917800&oldid=35917605 last])  00:38, January 20, 
2006 AySz88 (Popups-assisted reversion to revision 35895397) <br/>
(cur) ([http://en.wikipedia.org/w/index.php?
title=Hurricane_Katrina&diff=35917605&oldid=35917601 last])  00:36, January 20, 
2006 The pi pirate (Popups-assisted reversion to revision 35895397) <br/>
(cur) ([http://en.wikipedia.org/w/index.php?
title=Hurricane_Katrina&diff=35917601&oldid=35917446 last])  00:36, January 20, 
2006 131.52.121.101 (→Evacuation and emergency shelters) <br/>
(cur) ([http://en.wikipedia.org/w/index.php?
title=Hurricane_Katrina&diff=35917446&oldid=35895397 last])  00:34, January 20, 
2006 131.52.121.101 (→Synopsis) <br/>

The diffs show how the history is jumbled.  The 0036 vandal edit was applied to 
the article *after* the 0036 revert, but the history lists the revert and the 
vandalism backwards (it appears like vandal-vandal-revert-revert when it should 
be vandal-revert-vandal-revert).  Some discussion occured at 
[http://en.wikipedia.org/wiki/User_talk:Lupin#Popups_revert_race_condition.3F 
Lupin's en User Talk], where Lupin, the creator of the Popups tool, agrees that 
it seems to be a bug with Mediawiki and not his own Popups tool.

Comment 4 lɛʁi לערי ריינהארט 2006-02-02 14:55:59 UTC

(In reply to comment #3)
The url for the example is
http://en.wikipedia.org/w/index.php?title=Hurricane_Katrina&action=history&limit=20&offset=20060120210001

Marking this bug as a duplicate of
Bug 2930: The edit history is wrong: It is based on timestamps while diff and
direction is based on revision id's

best regards reinhardt [[user:gangleri]]

*** This bug has been marked as a duplicate of 2930 ***

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