Re: Gradual migration from integer to bigint?

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От Ron
Тема Re: Gradual migration from integer to bigint?
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Msg-id a7d6726a-6379-9c27-a954-365107887114@gmail.com
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Ответ на Re: Gradual migration from integer to bigint?  (Ireneusz Pluta <ipluta@wp.pl>)
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On 10/1/23 12:04, Ireneusz Pluta wrote:
> W dniu 30.09.2023 o 07:55, James Healy pisze:
>> ...
>> We shouldn't have let them get so big, but that's a conversation
>> for another day.
>>
>> Some are approaching overflow and we're slowly doing the work to
>> migrate to bigint. Mostly via the well understood "add a new id_bigint
>> column, populate on new tuples, backfill the old, switch the PK"
>> method. The backfill is slow on these large tables, but it works and
>> there's plenty of blog posts and documentation to follow.
> wouldn't wrapping to negative numbers like: 
> https://www.youtube.com/watch?v=XYRgTazYuZ4&t=1338s be a solution for you? 
> At least for buying more time for the slow migration process. Or even as a 
> definite solution if you now take care and not let the keys grow too quickly.

The application might not react well to negative numbers.

-- 
Born in Arizona, moved to Babylonia.



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