| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>, Josh Berkus <josh(at)agliodbs(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Brad Nicholson <bnichols(at)ca(dot)afilias(dot)info>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: pg_migrator issue with contrib |
| Date: | 2009-06-08 18:56:18 |
| Message-ID: | 20090608185618.GG5598@alvh.no-ip.org |
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| Lists: | pgsql-hackers |
Bruce Momjian escribió:
> For longterm strategy, let me list the challenges for pg_migrator from
> any major upgrade (listed in the DEVELOPERS file):
>
> Change Conversion Method
> ------------------------------------------------------------------------------
> clog none
> heap page header, including bitmask convert to new page format on read
> tuple header, including bitmask convert to new page format on read
> data value format create old data type in new cluster
> index page format reindex, or recreate old index methods
TOAST changes?
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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