Navigation : PostgreSQL 14.15 Documentation > Chapter 66. SP-GiST Indexes Chapter 66. SP-GiST Indexes Chapter 66. SP-GiST Indexes Prev Up Part VII. Internals Home Next Table of Contents 66.1. Introduction 66.2. Built-in Operator Classes 66.3. Extensibility 66.4. Implementation 66.4.1. SP-GiST Limits 66.4.2. SP-GiST Without Node Labels 66.4.3. " All-the-Same " Inner Tuples 66.5. Examples