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.pranke@gmail.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
