Historical version. PostgreSQL 6.5 has reached end of support. See the current manual.
V. Developer's Guide
- Table of Contents
- 51. Overview of PostgreSQL Internals
- 52. pg_options
- 53. Genetic Query Optimization in Database Systems
- 54. Frontend/Backend Protocol
- 55. Postgres Signals
- 56. gcc Default Optimizations
- 57. Backend Interface
- 58. Page Files
The Developer's Guide includes discussion of design decisions and suggestions for future development.
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Read the upstream documentation. For corrections, first check the current manual.