Horton

Re: WIP: extensible enums

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Dean Rasheed <dean.a.rasheed@gmail.com>, Robert Haas <robertmhaas@gmail.com>, pgsql-hackers@postgresql.org
Date: 2010-10-17T20:10:06Z
Lists: pgsql-hackers 
Andrew Dunstan <andrew@dunslane.net> writes:
> On 10/17/2010 03:17 PM, Tom Lane wrote:
>> I think what this says is that we cannot allow any manipulations that
>> involve an uncommitted enum value.  Probably the easiest way is to make
>> the ALTER TYPE operation disallowed-inside-transaction-block.  That's
>> pretty ugly, but doesn't seem like a serious restriction in practice
>> (though for example it'd mean we couldn't use it in pg_dump).

> Even in binary upgrade mode?

Binary upgrade can probably be treated as a special case.

			regards, tom lane