Yes, that's the correct fix. We should be printing debug information about the child and not the parent. Sorry for that bug and thanks for fixing it.
On Fri, Dec 8, 2017 at 3:22 PM, Etsuro Fujita <fujita.ets...@lab.ntt.co.jp> wrote: > generate_partition_wise_join_paths prints debug info, if > OPTIMIZER_DEBUG, using debug_print_rel at the end of each iteration for > collecting non-dummy child-joins, but I noticed that we pass to that > function the parent's RelOptInfo, not such a child-join's RelOptInfo. I > don't think it's intentional, so here is a patch for fixing that. > > Best regards, > Etsuro Fujita -- Best Wishes, Ashutosh Bapat EnterpriseDB Corporation The Postgres Database Company
