Re: outer joins

From: Aristedes Maniatis (ar..aniatis.org)
Date: Wed Jan 13 2010 - 06:09:39 EST

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    On 13/01/10 8:57 PM, Andrus Adamchik wrote:
    >> Also, I'm not sure of the point being made in the last section
    >> "Matching Path Expressions".
    >
    > Maybe that needs to be more explicit. The point is that if your path on
    > the left resolves to an attribute of a certain type, the value on the
    > right must be of that type as well (and there's no automatic type
    > conversions). I guess we can expand that to explain some variations of
    > this rule (e.g. instead of DataObject, you can pass ObjectId, etc.)

    I'll move that then to the expression page, since there is no left/right when you are talking just about paths as we are on this page.

    Ari

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    Aristedes Maniatis
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