Internals
- Table of Contents
- 48. Overview of PostgreSQL Internals
-
- 48.1. The Path of a Query
- 48.2. How Connections are Established
- 48.3. The Parser Stage
- 48.4. The PostgreSQL Rule System
- 48.5. Planner/Optimizer
- 48.6. Executor
- 49. System Catalogs
-
- 49.1. Overview
- 49.2. pg_aggregate
- 49.3. pg_am
- 49.4. pg_amop
- 49.5. pg_amproc
- 49.6. pg_attrdef
- 49.7. pg_attribute
- 49.8. pg_authid
- 49.9. pg_auth_members
- 49.10. pg_cast
- 49.11. pg_class
- 49.12. pg_collation
- 49.13. pg_constraint
- 49.14. pg_conversion
- 49.15. pg_database
- 49.16. pg_db_role_setting
- 49.17. pg_default_acl
- 49.18. pg_depend
- 49.19. pg_description
- 49.20. pg_enum
- 49.21. pg_event_trigger
- 49.22. pg_extension
- 49.23. pg_foreign_data_wrapper
- 49.24. pg_foreign_server
- 49.25. pg_foreign_table
- 49.26. pg_index
- 49.27. pg_inherits
- 49.28. pg_language
- 49.29. pg_largeobject
- 49.30. pg_largeobject_metadata
- 49.31. pg_namespace
- 49.32. pg_opclass
- 49.33. pg_operator
- 49.34. pg_opfamily
- 49.35. pg_pltemplate
- 49.36. pg_policy
- 49.37. pg_proc
- 49.38. pg_range
- 49.39. pg_replication_origin
- 49.40. pg_rewrite
- 49.41. pg_seclabel
- 49.42. pg_shdepend
- 49.43. pg_shdescription
- 49.44. pg_shseclabel
- 49.45. pg_statistic
- 49.46. pg_tablespace
- 49.47. pg_transform
- 49.48. pg_trigger
- 49.49. pg_ts_config
- 49.50. pg_ts_config_map
- 49.51. pg_ts_dict
- 49.52. pg_ts_parser
- 49.53. pg_ts_template
- 49.54. pg_type
- 49.55. pg_user_mapping
- 49.56. System Views
- 49.57. pg_available_extensions
- 49.58. pg_available_extension_versions
- 49.59. pg_cursors
- 49.60. pg_file_settings
- 49.61. pg_group
- 49.62. pg_indexes
- 49.63. pg_locks
- 49.64. pg_matviews
- 49.65. pg_policies
- 49.66. pg_prepared_statements
- 49.67. pg_prepared_xacts
- 49.68. pg_replication_origin_status
- 49.69. pg_replication_slots
- 49.70. pg_roles
- 49.71. pg_rules
- 49.72. pg_seclabels
- 49.73. pg_settings
- 49.74. pg_shadow
- 49.75. pg_stats
- 49.76. pg_tables
- 49.77. pg_timezone_abbrevs
- 49.78. pg_timezone_names
- 49.79. pg_user
- 49.80. pg_user_mappings
- 49.81. pg_views
- 50. Frontend/Backend Protocol
-
- 50.1. Overview
- 50.2. Message Flow
- 50.3. Streaming Replication Protocol
- 50.4. Message Data Types
- 50.5. Message Formats
- 50.6. Error and Notice Message Fields
- 50.7. Summary of Changes since Protocol 2.0
- 51. PostgreSQL Coding Conventions
-
- 51.1. Formatting
- 51.2. Reporting Errors Within the Server
- 51.3. Error Message Style Guide
- 52. Native Language Support
-
- 52.1. For the Translator
- 52.2. For the Programmer
- 53. Writing A Procedural Language Handler
- 54. Writing A Foreign Data Wrapper
- 55. Writing A Table Sampling Method
- 56. Writing A Custom Scan Provider
-
- 56.1. Creating Custom Scan Paths
- 56.2. Creating Custom Scan Plans
- 56.3. Executing Custom Scans
- 57. Genetic Query Optimizer
- 58. Index Access Method Interface Definition
-
- 58.1. Catalog Entries for Indexes
- 58.2. Index Access Method Functions
- 58.3. Index Scanning
- 58.4. Index Locking Considerations
- 58.5. Index Uniqueness Checks
- 58.6. Index Cost Estimation Functions
- 59. GiST Indexes
-
- 59.1. Introduction
- 59.2. Built-in Operator Classes
- 59.3. Extensibility
- 59.4. Implementation
- 59.5. Examples
- 60. SP-GiST Indexes
-
- 60.1. Introduction
- 60.2. Built-in Operator Classes
- 60.3. Extensibility
- 60.4. Implementation
- 60.5. Examples
- 61. GIN Indexes
-
- 61.1. Introduction
- 61.2. Built-in Operator Classes
- 61.3. Extensibility
- 61.4. Implementation
- 61.5. GIN Tips and Tricks
- 61.6. Limitations
- 61.7. Examples
- 62. BRIN Indexes
-
- 62.1. Introduction
- 62.2. Built-in Operator Classes
- 62.3. Extensibility
- 63. Database Physical Storage
-
- 63.1. Database File Layout
- 63.2. TOAST
- 63.3. Free Space Map
- 63.4. Visibility Map
- 63.5. The Initialization Fork
- 63.6. Database Page Layout
- 64. BKI Backend Interface
-
- 64.1. BKI File Format
- 64.2. BKI Commands
- 64.3. Structure of the Bootstrap BKI File
- 64.4. Example
- 65. How the Planner Uses Statistics