Re: Hierarchical queries a la Oracle patch. for 7.3rc1.

Sorry, rejected due to peer review.  Hopefully some of the code can be
used by them when they implement the SQL99 syntax.  Thanks.

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Evgen Potemkin wrote:
> Hi there!
>
> This is a new version of patch i've posted.
> It's applied to version 7.3rc1.
>
> Changed syntax, now it's more closer to Oracle's and allows operator other
> than '='.
> Removed Const/Var trick, now it's a new FakeVar node used, as a side effect
> it's not need initdb now.
> Added little regression test.
> Added more comments on code.
> A bit extended README.hier .
>
> regards,
>
> ---
> .evgen

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