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[Bug 19955] New: [IndexedDB] Add IDBObjectStore.openKeyCursor

From: <bugzilla@jessica.w3.org>
Date: Tue, 13 Nov 2012 17:04:35 +0000
To: public-webapps-bugzilla@w3.org
Message-ID: <bug-19955-2532@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=19955

          Priority: P2
            Bug ID: 19955
                CC: mike@w3.org, public-webapps@w3.org
          Assignee: dave.null@w3.org
           Summary: [IndexedDB] Add IDBObjectStore.openKeyCursor
        QA Contact: public-webapps-bugzilla@w3.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jsbell@chromium.org
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Indexed Database API
           Product: WebAppsWG

In some scenarios, it is beneficial to avoid the cost of deserializing values
when walking a cursor across an object store. IDBIndex has openKeyCursor, and
it wouldn't be difficult to support the same method on IDBObjectStore.

Excellent summary of the use cases in this message:

http://lists.w3.org/Archives/Public/public-webapps/2012OctDec/0465.html

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