Re: [GSoC2014] Patch ALTER TABLE ... SET LOGGED - Mailing list pgsql-hackers

On 2014-08-21 16:59:17 -0400, Alvaro Herrera wrote:
> Heikki Linnakangas wrote:
> 
> > In Postgres internals slang, non-permanent means temporary or
> > unlogged. But I agree we shouldn't expose users to that term; we use
> > it in the docs, and it's not used in command names either.
> 
> Agreed.  I am going over this patch, and the last bit I need to sort out
> is the wording of these messages.  I have temporarily settled on this:
> 
>     ereport(ERROR,
>             (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
>              errmsg("cannot change logged status of table %s to logged",
>                     RelationGetRelationName(rel)),
>              errdetail("Table %s references unlogged table %s.",
>                        RelationGetRelationName(rel),
>                        RelationGetRelationName(relfk))));

Maybe 'cannot change persistency of table .. from unlogged to logged'; possibly with
s/persistency/durability/?


Have you looked at the correctness of the patch itself? Last time I'd
looked it has fundamental correctness issues. I'd outlined a possible
solution, but I haven't looked since.

Greetings,

Andres Freund

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