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Re: Duplicate values found when reindexing unique index

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Mason Hale" <masonhale(at)gmail(dot)com>
Cc: "Simon Riggs" <simon(at)2ndquadrant(dot)com>, "Gregory Stark" <stark(at)enterprisedb(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: Duplicate values found when reindexing unique index
Date: 2007-12-31 18:14:49
Message-ID: 7540.1199124889@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
"Mason Hale" <masonhale(at)gmail(dot)com> writes:
> [postgres(at)dev-db-2 wal_archive]$ od -x 000000010000042200000058 | head -n15
> 0000000 d05e 0002 0001 0000 0423 0000 0000 c100
> 0000020 f7df 472e e701 4728 0000 0100 2000 0000
> 0000040 a1db 81e6 0423 0000 0068 c000 0000 0000
> 0000060 0048 0000 002c 0000 0000 0000 0423 0000
> 0000100 0020 c100 0000 0000 0000 0000 0001 0000
> 0000120 0000 0000 780b 2ede 9f68 00f5 7834 0000
> 0000140 2f4d 0001 1f35 4774 0000 0000 0000 0000
> 0000160 0000 0000 0000 0000 0000 0000 0000 0000
> *
> 0020000 d05e 0000 0001 0000 0422 0000 2000 5800

Something else interesting about that: the apparent interloper page
contains just a single WAL record, which appears to be a shutdown
checkpoint bearing the timestamp "Thu Dec 27 2007, 16:55:01 EST".
Not sure if Mason can correlate that with any recent activity...

			regards, tom lane

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