cary huang: PostgreSQL’s Planner – Simple Scan Paths vs Plans
1 Introduction 2 Where it all start 3 What happens behind pg_plan_query 4 set_base_rel_sizes() 5 set_base_rel_pathlist() 6 generate_gather_paths 7 get_cheapest_fractional_path and create_plan 8 Examine the Plan 本文为摘录，原文为： https://postgr.es/p/6s9 1 Introduction 当你向 PostgreSQL 发送查询时，通常会经历查询处理的各个阶段，并在最后返回...