Re: Insert result does not match record count

Поиск
Список
Период
Сортировка
От Natalie Wenz
Тема Re: Insert result does not match record count
Дата
Msg-id 546778B8-9164-4EB8-9150-3B32CA8B8A0E@ebureau.com
обсуждение исходный текст
Ответ на Re: Insert result does not match record count  (Jeff Janes <jeff.janes@gmail.com>)
Список pgsql-general
I had just started to wonder if it was something that when you responded. I checked, and every case that I had where
thenumbers were wonky checked out when I subtracted 2^32. Whew!  

Thanks, Jeff!


On Jul 22, 2013, at 11:20 AM, Jeff Janes <jeff.janes@gmail.com> wrote:

> On Fri, Jul 19, 2013 at 3:20 PM, Natalie Wenz <nataliewenz@ebureau.com> wrote:
>> Hi all,
>>
>> I am moving some data from one table to another in 9.2.4, and keep seeing this strange scenario:
>>
>> insert into newtable select data from oldtable where proc_date >= x and proc_date < y;
>>
>> INSERT 0 78551642
>>
>> select count(*) from newtable where proc_date >= x and proc_date < y;
>>   count
>> -----------
>> 4373518938
>
> It looks to me like the status report is 32 bits and overflowed.
>
> 4,373,518,938 - 2^32 = 78,551,642
>
> Cheers,
>
> Jeff
>
>
> --
> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general



В списке pgsql-general по дате отправления:

Предыдущее
От: Igor Neyman
Дата:
Сообщение: Re: Different transaction log for database/schema
Следующее
От: Amit Langote
Дата:
Сообщение: maintenance_work_mem and CREATE INDEX time