On Wed, 2007-07-25 at 15:07 +0200, Mario Weilguni wrote: > Am Mittwoch 25 Juli 2007 schrieb Simon Riggs: > > I have reasonable evidence that Referential Integrity is the major > > performance bottleneck and would like some objective evidence that this > > is the case. > > Just curious, will 8.3 still check FK constraints (and use locks) even if the > referencing column value does not change?
That is optimised away in 8.0+ -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster