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Re: concurrent index builds unneeded lock? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: concurrent index builds unneeded lock?
Date
Msg-id 16144.1247413880@sss.pgh.pa.us
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In response to Re: concurrent index builds unneeded lock?  (Greg Stark <gsstark@mit.edu>)
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Actually ... why do we have to have that third wait step at all?
Doesn't the indcheckxmin mechanism render it unnecessary, or couldn't
we adjust the comparison xmin to make it unnecessary?
        regards, tom lane

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