[Webkit-unassigned] [Bug 60746] IndexedDB chooses wrong record on PREV_NO_DUPLICATE index cursor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=60746





--- Comment #5 from Hans Wennborg <hans at chromium.org>  2011-05-20 02:07:34 PST ---
(From update of attachment 93785)
View in context: https://bugs.webkit.org/attachment.cgi?id=93785&action=review

> Source/WebCore/storage/IDBSQLiteBackingStore.cpp:972
> +        sql += "IndexData.keyString DESC, IndexData.keyDate DESC, IndexData.keyNumber DESC, IndexData.id ASC";

This will be hard to do for the LeveLDB back-end, and that makes me wonder if it's worth matching Mozilla on this if it's not specified how it should work.

Also, for an index cursor that allows duplicates, doesn't this change mean that the order in which a reverse iterator sees the keys is not the reverse of what a forwarding iterator would see? That seems a little bit odd to me at least.

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