[Webkit-unassigned] [Bug 137154] New: IndexedDB is deleting data when a PK is shared amongst two objectStores

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=137154

           Summary: IndexedDB is deleting data when a PK is shared amongst
                    two objectStores
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: raymondcamden at gmail.com


Imagine you have one indexeddb instance and two objectstores: people and notes

If you add data to people with an assigned PK of 1, and then do the same to note, the data in people is erased.

If you switch to using auto number PKs then the same thing happens (since they both end up having the same ID).

Primary keys are supposed to be unique per objectStore, not the entire database. 

Here is a blog entry showing examples of this issue: http://www.raymondcamden.com/2014/9/25/IndexedDB-on-iOS-8--Broken-Bad#cFF30B25B-F01B-05AB-E8041ED50386A176

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