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Re: Converting char to varchar automatically

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On Tue, Oct 7, 2014 at 10:16 AM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
> Sergey Konoplev <gray.ru@xxxxxxxxx> writes:
>> BTW, where can I find a list of type1->type2 pairs that doesn't
>> require full table lock for conversion?
>
> There aren't any.  Sometimes you can skip a table rewrite, but that
> doesn't mean that a lesser lock is possible.

Oh, sorry, it was a typo, I meant "that doesn't require a full table rewrite".

-- 
Kind regards,
Sergey Konoplev
PostgreSQL Consultant and DBA

http://www.linkedin.com/in/grayhemp
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gray.ru@xxxxxxxxx


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