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On 01/26/07 20:12, Bruce Momjian wrote:
> Ron Johnson wrote:
>>> There is no set time frame planned that I know of.
>>>
>>> It is more a matter of users that keep the old versions alive. Some with
>>> large datasets on busy servers that can't allocate enough downtime to
>>> upgrade tend to be keeping the older versions running.
>>
>> How much does the on-disk structure of *existing* tables and indexes
>> change between x.y versions?
>>
>> Between, for example, 8.0 and 8.2?
>
> Yes:
>
> http://www.postgresql.org/docs/8.2/static/migration.html
I was thinking of something like the release notes, but a bit more
targeted. (I know. diff the source.)
http://www.postgresql.org/docs/8.2/interactive/release-8-2.html
For example, I've read these release notes, and there are some index
modifications, but don't *seem* to be *table* structure changes.
So, in an upgrade from 8.1 to 8.2, what's really preventing pg from
letting the user:
1. Cleanly shutdown pg.
2. Install v8.2.
3. Start pg.
4. psql -c 'REINDEX DATABASE' some_db
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