Puzzle of the Operator of "EqualOuterJoin" on TopLink Essetials

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From: <glassfish_at_javadesktop.org>
Date: Tue, 15 Jan 2008 02:45:39 PST

Hi,TopLink Dev Team,

  I have a puzzle about the Operator of "EqualOuterJoin" on TopLink Essetials.

  Firstly, what is the role of "EqualOuterJoin" ?

  Secondly, what is the relationship between the "EqualOuterJoin" and "LEFT OUTER JOIN" ?

  Finally, where did the Calling of the "EqualOuterJoin" happen?

  If you have free time , could you please help me resolve the problems?

  Thanks very much!
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