| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Andres Freund <andres(at)2ndquadrant(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, Claudio Freire <klaussfreire(at)gmail(dot)com>, "David E(dot) Wheeler" <david(at)justatheory(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Jan Wieck <jan(at)wi3ck(dot)info> |
| Subject: | Re: jsonb format is pessimal for toast compression |
| Date: | 2014-09-25 18:39:37 |
| Message-ID: | 25969.1411670377@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
BTW, it seems like there is consensus that we ought to reorder the items
in a jsonb object to have keys first and then values, independently of the
other issues under discussion. This means we *will* be breaking on-disk
compatibility with 9.4beta2, which means pg_upgrade will need to be taught
to refuse an upgrade if the database contains any jsonb columns. Bruce,
do you have time to crank out a patch for that?
regards, tom lane
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