On Thu, Apr 25, 2024 at 7:25 PM Ashutosh Bapat
wrote:
> Quickly looking at the function, the patch would make it more apparent
> that the function is a noop when mergeclause_list is empty.
>
Thanks for looking at this patch. Yes, that's what it does.
> I haven't looked closely to see if
On Thu, Apr 25, 2024 at 12:50 PM Richard Guo wrote:
>
> On Wed, Apr 24, 2024 at 5:13 PM Richard Guo
> wrote:
>
>> In sort_inner_and_outer, we create mergejoin join paths by explicitly
>> sorting both relations on each possible ordering of the available
>> mergejoin clauses. However, if there
On Wed, Apr 24, 2024 at 5:13 PM Richard Guo wrote:
> In sort_inner_and_outer, we create mergejoin join paths by explicitly
> sorting both relations on each possible ordering of the available
> mergejoin clauses. However, if there are no available mergejoin
> clauses, we can skip this process
In sort_inner_and_outer, we create mergejoin join paths by explicitly
sorting both relations on each possible ordering of the available
mergejoin clauses. However, if there are no available mergejoin
clauses, we can skip this process entirely. It seems that this is a
relatively common scenario.
