On 2013-02-01 12:25:04 -0500, Bruce Momjian wrote:
> On Fri, Feb  1, 2013 at 01:50:02PM +0000, Álvaro Herrera wrote:
> > Fill tuple before HeapSatisfiesHOTAndKeyUpdate
> > 
> > Failing to do this results in almost all updates to system catalogs
> > being non-HOT updates, because the OID column would differ (not having
> > been set for the new tuple), which is an indexed column.
> > 
> > While at it, make sure to set the tableoid early in both old and new
> > tuples as well.  This isn't of much consequence, since that column is
> > seldom (never?) indexed.
> > 
> > Report and patch from Andres Freund.
> 
> Was this a new bug in 9.3?

Yes, it got introduced in the fklocks patch. The 'tableoid' part is
present before that, but I can't see a usecase in indexing that column,
so I think not backpatching it is ok.

Greetings,

Andres Freund

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


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