III. Programmer's Guide

Table of Contents
30. Architecture
31. Extending SQL: An Overview
32. Extending SQL: Functions
33. Extending SQL: Types
34. Extending SQL: Operators
35. Extending SQL: Aggregates
36. The Postgres Rule System
37. Interfacing Extensions To Indices
38. GiST Indices
39. Linking Dynamically-Loaded Functions
40. Triggers
41. Server Programming Interface
42. Procedural Languages

Information for extending Postgres.