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From: Venkata Nagarjuna Rao Goli <goli@plains.NoDak.edu>
To: Paul M. Aoki <aoki@CS.Berkeley.EDU>
Cc: Postgres Mailing List <postgres@postgres.Berkeley.EDU>
Subject: Re: New type and pg_operator.
Date: Fri, 15 Jul 1994 11:52:05 -0500 (CDT)
Message-ID: <Pine.3.89.9407151156.B25796-0100000@plains> (raw)
In-Reply-To: <199407151234.FAA25331@nobozo.CS.Berkeley.EDU>


> 
> unless you use arcane order-preserving hash functions, hash join 
		^^^^^^^^^^^^^^^^^^^^^^^^^^
> only makes sense for bitwise equality.
			^^^^^^^^^^^^^^^^
Please explain me

What are those order preserving hash functions?

and 

What do you mean by bitwise equality?

Thank you,
Goli Nagarjuna.


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