BUG #15117: Duplicate Primary Key

From: PG Bug reporting form <noreply(at)postgresql(dot)org>
To: pgsql-bugs(at)lists(dot)postgresql(dot)org
Cc: kyle(dot)kinnear(at)welchallyn(dot)com
Subject: BUG #15117: Duplicate Primary Key
Date: 2018-03-16 20:49:29
Message-ID: 152123336924.1215.1160410866220981019@wrigleys.postgresql.org
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The following bug has been logged on the website:

Bug reference: 15117
Logged by: Kyle Kinnear
Email address: kyle(dot)kinnear(at)welchallyn(dot)com
PostgreSQL version: 9.6.6
Operating system: Windows 10 Enterprise - 14393.2035
Description:

Hello,

While running some performance simulations on a test application server
overnight, I came back to some odd errors. I was then able to trace it back
to the primary index of this table being duplicated.

Here is the information for the table, done from an export:

reco_id modality user_id file_name update_ts groups_fk
9 4 1 UserPreferences.xml 2018-02-14 21:35:33.122 7
10 4 1 UserPreferences.xml 2018-02-14 21:35:34.903 8
6 0 3 ExMgrUserPreferences.xml 2018-02-08 20:40:59.869 -1
5 255 3 CFDL.XML 2018-02-08 20:41:01.619 -1
3 4 1 UserPreferences.xml 2018-03-09 21:13:54.36817 1
12 0 4 ExMgrUserPreferences.xml 2018-02-14 22:23:10.212115 -1
11 255 4 CFDL.XML 2018-02-14 22:23:11.965623 -1
13 4 4 UserPreferences.xml 2018-02-14 22:23:11.965623 7
16 4 5 UserPreferences.xml 2018-02-14 22:24:43.012535 8
15 0 5 ExMgrUserPreferences.xml 2018-02-14 22:24:41.304534 -1
14 255 5 CFDL.XML 2018-02-14 22:24:43.012535 -1
1 255 1 CFDL.XML 2018-03-09 21:13:54.36817 -1
2 0 1 ExMgrUserPreferences.xml 2018-03-16 14:58:44.621422 -1
2 0 1 ExMgrUserPreferences.xml 2018-03-16 14:58:44.621422 -1

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