Common table expressions and threaded comments

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От Cultural Sublimation
Тема Common table expressions and threaded comments
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Msg-id 19850.44178.qm@web63407.mail.re1.yahoo.com
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Ответы Re: Common table expressions and threaded comments  (Grzegorz Jaśkiewicz <gryzman@gmail.com>)
Re: Common table expressions and threaded comments  (Tom Lane <tgl@sss.pgh.pa.us>)
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Greetings,

I need to implement the classical problem of threaded comments in a Postgresql
database.  I know that the upcoming 8.4 release includes Common Table
Expressions, so I have to ask: is this feature the mother-of-all-solutions
to the threaded comments problem, or is it still worth investigating ltree?

Also, lots of people mention Joe Celko's book on this subject.  Is it still
a valid resource, or do CTE's make it obsolete?

Thank you!
C.S.

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