On Thu, May 10, 2018 at 3:45 PM, Alvaro Herrera <alvhe...@2ndquadrant.com> wrote: > The examples for runtime pruning are lame -- in the first, the text says > "watch out for Subplans Removed" and then the example provided doesn't > show one. (That example is probably exercising the wrong thing.)
It seems to me that EXPLAIN output should have a clear way to show -- and to distinguish -- (1) plan-time pruning, (2) executor startup time pruning, (3) mid-execution pruning. I don't think that's entirely the case right now. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
