On Sat, Mar 21, 2020 at 2:24 PM Tom Lane <t...@sss.pgh.pa.us> wrote: > With this patch, perf shows the hotspots on Pavel's original example > as being > > + 19.24% 19.17% 46470 postmaster plpgsql.so > [.] exec_eval_expr > + 15.19% 15.15% 36720 postmaster plpgsql.so > [.] plpgsql_param_eval_var > + 14.98% 14.94% 36213 postmaster postgres > [.] ExecInterpExpr > + 6.32% 6.30% 15262 postmaster plpgsql.so > [.] exec_stmt > + 6.08% 6.06% 14681 postmaster plpgsql.so > [.] exec_assign_value
That's pretty sweet. As you say, there's probably some way to eliminate some of the non-plancache overhead, but it's still a big improvement. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
