https://bugzilla.wikimedia.org/show_bug.cgi?id=18104
Summary: Schema request change so deleted edits are identified by
revisionID not timestamp (prevents DIFFs from breaking)
Product: MediaWiki
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: Normal
Component: Deleting
AssignedTo: [email protected]
ReportedBy: [email protected]
At present a revision is usually identified by a revisionID in most functions.
Thus a public and visible revision, a suppressed (RevisionDeleted) revision,
and an oversighted revision, all are encoded and identified by the revision ID.
Normal deleted revisions are the sole exception - they are identified by a
timestamp. This has two problems:
1/ Timestamp (to the precision used to identify a deleted revision:
YYYYMMDDHHMMSS) may in some cases not be unique.
2/ Deleted diffs and revisions can't be identified from any link prior to
deletion, since upon deletion they switch from being identified by revision ID,
to being identified by timestamp. This prevents easy lookup of a diff (eg when
a privacy or dispute arises), preventing admins, checkusers and others from
using a diff to check up on a matter if one of the revisions in the diff has
been deleted, and seems to prevent diffs working at all, other than the simple
case of comparing two sequential revisions.
DESIRED CHANGE
1/ All revisions, deleted or visible, to be identified by their revision ID,
not timestamp or other identifier. (This may involve a schema change to deleted
revisions handling.)
2/ A user who can see the text of both revisions in a diff (eg specified and
next, specified and prev, or 2 specified revisions), is always able to view the
diff between them; the fact one or both may have been deleted doesn't break
this functionality.
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