Re: sequence data type

On 3/30/17, Vitaly Burovoy <vitaly(dot)burovoy(at)gmail(dot)com> wrote:
> On 3/29/17, Vitaly Burovoy <vitaly(dot)burovoy(at)gmail(dot)com> wrote:
>> On 3/29/17, Michael Paquier <michael(dot)paquier(at)gmail(dot)com> wrote:
>>> On Thu, Mar 30, 2017 at 11:18 AM, Vitaly Burovoy
>>> <vitaly(dot)burovoy(at)gmail(dot)com> wrote:
>>>> I think min_value and max_value should not be set to "1" or "-1" but
>>>> to real min/max of the type by default.
>>>
>>> This is the default behavior for ages, since e8647c45 to be exact. So
>>> you would change 20 years of history?
>>
>> ... is it a wrong way to keep historical minimum as "1" by
>> default: it is not a minimum of any of supported type.
>
> I've read the standard about "minvalue", "maxvalue" and "start".
> OK, I was wrong. Since "start" should be equal to "minvalue" unless
> defined explicitly, the only bug left from my first email here is
> resetting "minvalue" back to 1 when data type changes and if the value
> matches the bound of the old type (the last case there).
>
> P.S.: the same thing with "maxvalue" when "increment" is negative.

It seemed not very hard to fix it.
Please find attached patch.

I've added more tests to cover different cases of changing bounds when
data type is changed.

--
Best regards,
Vitaly Burovoy