Re: --single-transaction hack to pg_upgrade does not work

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 16:38:40
Message-ID: 20121201163840.GC16220@alap2
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On 2012-12-01 17:36:20 +0100, Andres Freund wrote:
> 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?

And the patch...

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

Attachment Content-Type Size
0001-Allow-ALTER-TYPE-.-ADD-VALUE-inside-transactions-if-.patch text/x-patch 3.1 KB

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