Nikita Malakhov <huku...@gmail.com> writes: Helll Nikita,
> Hi hackers! > > Sorry, I've forgot to attach the patch itself. Please check it out. Could you check if [1] is related to this subject? I think the hard part would be which tuple_fraction to use during adding add_paths_to_append_rel since root->tuple_fraction is on subquery level, while the add_paths_to_append_rel is only on RelOptInfo level. [1] https://www.postgresql.org/message-id/CAApHDvry0nSV62kAOH3iccvfPhGPLN0Q97%2B%3Db1RsDPXDz3%3DCiQ%40mail.gmail.com -- Best Regards Andy Fan
