On Thu, Apr 12, 2018 at 1:14 AM, Teodor Sigaev <teo...@sigaev.ru> wrote:

> That's the idea that I tried to express. The point is that we need to
>>> tell the user that there is no need to worry about it, rather than
>>> that they're wrong to ask about it. Though we should probably actually
>>> just throw an error.
>> Or maybe it should be the collation of the underlying table columns.
>> Otherwise the collation returned by an index-only scan would be
>> different from a table scan, no?
> +1, dangerous

I'm OK with collation of included columns to be the same as collation
of underlying table columns.  But I still think we should throw an error
when user is trying to specify his own collation of included columns.

Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

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