Re: Sequence Access Method WIP
Petr Jelinek <petr@2ndquadrant.com>
From: Petr Jelinek <petr@2ndquadrant.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Heikki Linnakangas <hlinnakangas@vmware.com>,
Andres Freund <andres@2ndquadrant.com>,
Simon Riggs <simon@2ndQuadrant.com>,
PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2014-11-07T23:57:41Z
Lists: pgsql-hackers
On 08/11/14 00:45, Robert Haas wrote: > On Nov 5, 2014, at 5:43 PM, Petr Jelinek <petr@2ndquadrant.com> wrote: >> I don't see how to make that work with ALTER SEQUENCE USING to be honest and I do care quite a lot about that use-case (I think the ability to convert the "local" sequences to 3rd party ones and back is very important). > > What specific problems do you foresee? There's an issue if something depends on one of the added sequence columns, but if that is the case then you had *better* fail. > > I think that the debugability value of making extra sequence columns human-readable is quite high. > My main problem is actually not with having tuple per-seqAM, but more with the fact that Heikki does not want to have last_value as compulsory column/parameter. How is the new AM then supposed to know where to pick up and if it even can pick up? -- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
Commits
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Add missing gss option to msvc config template
- 3063e7a84026 9.6.0 cited