Re: Re: [BUGS] Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)

From: Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>
To: Peter Geoghegan <pg(at)heroku(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Marc-Olaf Jaschke <marc-olaf(dot)jaschke(at)s24(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Re: [BUGS] Re: Missing rows with index scan when collation is not "C" (PostgreSQL 9.5)
Date: 2016-08-23 13:26:58
Message-ID: 3c4bdcba-16b4-c6c2-5451-cc913a289387@BlueTreble.com
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On 8/22/16 7:36 PM, Peter Geoghegan wrote:
> For some reason, both cases involved
> strings with code points from the Arabic alphabet, even though each
> case was from a totally unrelated customer database.

Do those code points read right to left? Maybe that had an effect?
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com
855-TREBLE2 (855-873-2532) mobile: 512-569-9461

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