Fix wrong costing of Sort under Gather Merge. There's no mechanism for such a sort to become a top-N sort, so we should pass -1 rather than limit_tuples to cost_sort().
Rushabh Lathia, per a report from Mithun Cy Discussion: http://postgr.es/m/CAGPqQf1akRcSgC9=6iwx=sepap9uvpphjlzg8_n+ouhdb6f...@mail.gmail.com Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/dc02c7bca4dccf7de278cdc6b3325a829e75b252 Modified Files -------------- src/backend/optimizer/plan/planner.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
