IV. Programmer's Guide

Table of Contents
36. Introduction
37. Architecture
38. Extending SQL: An Overview
39. Extending SQL: Functions
40. Extending SQL: Types
41. Extending SQL: Operators
42. Extending SQL: Aggregates
43. The Postgres Rule System
44. Interfacing Extensions To Indices
45. GiST Indices
46. Linking Dynamically-Loaded Functions
47. Triggers
48. Server Programming Interface
49. Procedural Languages

Information for extending Postgres.