| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, Larry White <ljw1001(at)gmail(dot)com> |
| Subject: | Re: jsonb format is pessimal for toast compression |
| Date: | 2014-08-09 02:47:37 |
| Message-ID: | 20140809024737.GA7028@momjian.us |
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| Thread: | |
| Lists: | pgsql-hackers |
On Fri, Aug 8, 2014 at 08:25:04PM -0400, Stephen Frost wrote:
> * Bruce Momjian (bruce(at)momjian(dot)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(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ Everyone has their own god. +
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