| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: --single-transaction hack to pg_upgrade does not work |
| Date: | 2012-12-01 16:36:20 |
| Message-ID: | 20121201163620.GB16220@alap2 |
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| Lists: | pgsql-hackers |
On 2012-12-01 17:03:03 +0100, Andres Freund wrote:
> Could we possibly allow adding enum values to a type which was just created in
> this transaction? That shouldn't be too hard. At least easier than providing
> the capability to pre-assign the next N oids...
The attached patch does just that. Its *not* ready yet though, as it
will be apparent for everyone who reads it ;)
To really make that work in a reliable manner we would probably need
an rd_createSubid for typcache entries instead of testing xmin as I have
done here?
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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