Re: jsonb format is pessimal for toast compression

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От Bruce Momjian
Тема Re: jsonb format is pessimal for toast compression
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Msg-id 20140809024737.GA7028@momjian.us
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Ответ на Re: jsonb format is pessimal for toast compression  (Stephen Frost <sfrost@snowman.net>)
Ответы Re: jsonb format is pessimal for toast compression  (Stephen Frost <sfrost@snowman.net>)
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On Fri, Aug  8, 2014 at 08:25:04PM -0400, Stephen Frost wrote:
> * Bruce Momjian (bruce@momjian.us) wrote:
> > On Fri, Aug  8, 2014 at 11:02:26AM -0400, Tom Lane wrote:
> > > 2. Are we going to ship 9.4 without fixing this?  I definitely don't see
> > > replacing pg_lzcompress as being on the agenda for 9.4, whereas changing
> > > jsonb is still within the bounds of reason.
> > 
> > FYI, pg_upgrade could be taught to refuse to upgrade from earlier 9.4
> > betas and report the problem JSONB columns.
> 
> That is *not* a good solution..

If you change the JSONB binary format, and we can't read the old format,
that is the only option.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + Everyone has their own god. +



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