Navigation : PostgreSQL 13.15 Documentation > Chapter 65. SP-GiST Indexes Chapter 65. SP-GiST Indexes Chapter 65. SP-GiST Indexes Prev Up Part VII. Internals Home Next Table of Contents 65.1. Introduction 65.2. Built-in Operator Classes 65.3. Extensibility 65.4. Implementation 65.4.1. SP-GiST Limits 65.4.2. SP-GiST Without Node Labels 65.4.3. " All-the-Same " Inner Tuples 65.5. Examples