Re: Reported type mismatch improperly

On Sun, Jul 19, 2020 at 10:25 AM Andy Fan <zhihui(dot)fan1213(at)gmail(dot)com> wrote:

>
>
> On Sat, Jul 18, 2020 at 12:28 PM David G. Johnston <
> david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>
>> On Friday, July 17, 2020, Andy Fan <zhihui(dot)fan1213(at)gmail(dot)com> wrote:
>>
>>>
>>>
>>> On Sat, Jul 18, 2020 at 12:23 AM David G. Johnston <
>>> david(dot)g(dot)johnston(at)gmail(dot)com> wrote:
>>>
>>>>
>>>> - which they still need to be aware of even though this patch removes
>>>> one situation where it matters.
>>>>
>>>
>>> Can you provide an example of this? If it is not very troublesome, I'd
>>> like to fix both.
>>>
>>
>> Nothing concrete off hand, more of an impression.
>>
>> David J.
>>
>
> Improve some comments and test cases, and submit it
> https://commitfest.postgresql.org/29/2653/ .
>

I have withdrawn the patch in commitfest since the current solution is bad.
To fix it I have
to spend more time on tranformExpr part. I can open a new one if I get it
really fixed. Now
I have let the user cast the null to int explicitly.

--
Best Regards
Andy Fan