[Webkit-unassigned] [Bug 49981] New: [Qt] QWebSettings::setOfflineWebApplicationCacheQuota deletes all records from app cache db

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49981

           Summary: [Qt] QWebSettings::setOfflineWebApplicationCacheQuota
                    deletes all records from app cache db
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mike.zraly at nokia.com


The QWebSettings::setOfflineWebApplicationCacheQuota() method deletes all records from the application cache database before it sets the cache quota.  This is unexpected and undocumented.  It is not possible to change -- even INCREASE -- the quota without discarding all the old application cache data.

Note: there is already a bug filed to add an API for managing quotas in the app cache:

https://bugs.webkit.org/show_bug.cgi?id=48194

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