| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Prototype: In-place upgrade v02 |
| Date: | 2008-09-08 22:17:31 |
| Message-ID: | 200809082217.m88MHVb00733@momjian.us |
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| Lists: | pgsql-hackers |
Zdenek Kotala wrote:
> You mentioned data types, but it is not a problem. You can easily extend data
> type attribute about version information and call correct in/out functions. Or
> use different Oid for new data type version. There are more possible easy
> solutions for data types. And for conversion You can use ALTER TABLE command.
> Main idea is keep data in all format in a relation. This approach should use
> also for integer/float datetime problem.
This kind of code structure scares me that our system will become so
complex that it will hinder our ability to continue making improvements.
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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