Re: BUG #15250: ERROR: could not find pathkey item to sort

From: Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp>
To: sara(dot)pranke(at)gmail(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org, PG Bug reporting form <noreply(at)postgresql(dot)org>
Subject: Re: BUG #15250: ERROR: could not find pathkey item to sort
Date: 2018-06-21 00:34:49
Message-ID: c4eed31c-cd7f-0777-179c-9e405ed35349@lab.ntt.co.jp
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On 2018/06/21 6:01, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference: 15250
> Logged by: Sara Pranke
> Email address: sara(dot)pranke(at)gmail(dot)com
> PostgreSQL version: 9.4.17
> Operating system: Debian 8.0
> Description:
>
> I have complex queries in large tables that use memory for sorting items, we
> upgrate PostgreSQL from 9.1 to 9.4 and in this version we get this error:
> 'could not find pathkey item to sort'

It's hard to help without seeing the query that's caused this error.
Could you share the query?

Thanks,
Amit

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