On Fri, Dec 20, 2019 at 12:46 AM Simon Riggs <si...@2ndquadrant.com> wrote: > If the TopTransactionId is not assigned, we can leave the whole function more > quickly, not just avoid a test.
Those things are not really any different from each other. You leave the function when you've done all the necessary tests.... > Read only transactions should have a fast path thru this function since they > frequently read more data than write transactions. With regard to this point, I second Tomas's comments. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
