Part VII. Internals
This part contains assorted information that might be of use to PostgreSQL developers.
Table of Contents
- 50. Overview of PostgreSQL Internals
- 51. System Catalogs
- 
     - 51.1. Overview
- 
       
        
         51.2.
         pg_aggregate
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         51.3.
         pg_am
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         51.4.
         pg_amop
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         51.5.
         pg_amproc
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         51.6.
         pg_attrdef
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         51.7.
         pg_attribute
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         51.8.
         pg_authid
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         51.9.
         pg_auth_members
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         51.10.
         pg_cast
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         51.11.
         pg_class
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         51.12.
         pg_collation
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         51.13.
         pg_constraint
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         51.14.
         pg_conversion
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         51.15.
         pg_database
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         51.16.
         pg_db_role_setting
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         51.17.
         pg_default_acl
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         51.18.
         pg_depend
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         51.19.
         pg_description
- 
       
        
         51.20.
         pg_enum
- 
       
        
         51.21.
         pg_event_trigger
- 
       
        
         51.22.
         pg_extension
- 
       
        
         51.23.
         pg_foreign_data_wrapper
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         51.24.
         pg_foreign_server
- 
       
        
         51.25.
         pg_foreign_table
- 
       
        
         51.26.
         pg_index
- 
       
        
         51.27.
         pg_inherits
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         51.28.
         pg_init_privs
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         51.29.
         pg_language
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         51.30.
         pg_largeobject
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         51.31.
         pg_largeobject_metadata
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         51.32.
         pg_namespace
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         51.33.
         pg_opclass
- 
       
        
         51.34.
         pg_operator
- 
       
        
         51.35.
         pg_opfamily
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         51.36.
         pg_parameter_acl
- 
       
        
         51.37.
         pg_partitioned_table
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         51.38.
         pg_policy
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         51.39.
         pg_proc
- 
       
        
         51.40.
         pg_publication
- 
       
        
         51.41.
         pg_publication_namespace
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         51.42.
         pg_publication_rel
- 
       
        
         51.43.
         pg_range
- 
       
        
         51.44.
         pg_replication_origin
- 
       
        
         51.45.
         pg_rewrite
- 
       
        
         51.46.
         pg_seclabel
- 
       
        
         51.47.
         pg_sequence
- 
       
        
         51.48.
         pg_shdepend
- 
       
        
         51.49.
         pg_shdescription
- 
       
        
         51.50.
         pg_shseclabel
- 
       
        
         51.51.
         pg_statistic
- 
       
        
         51.52.
         pg_statistic_ext
- 
       
        
         51.53.
         pg_statistic_ext_data
- 
       
        
         51.54.
         pg_subscription
- 
       
        
         51.55.
         pg_subscription_rel
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         51.56.
         pg_tablespace
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         51.57.
         pg_transform
- 
       
        
         51.58.
         pg_trigger
- 
       
        
         51.59.
         pg_ts_config
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         51.60.
         pg_ts_config_map
- 
       
        
         51.61.
         pg_ts_dict
- 
       
        
         51.62.
         pg_ts_parser
- 
       
        
         51.63.
         pg_ts_template
- 
       
        
         51.64.
         pg_type
- 
       
        
         51.65.
         pg_user_mapping
 
- 52. System Views
- 
     - 52.1. Overview
- 
       
        
         52.2.
         pg_available_extensions
- 
       
        
         52.3.
         pg_available_extension_versions
- 
       
        
         52.4.
         pg_backend_memory_contexts
- 
       
        
         52.5.
         pg_config
- 
       
        
         52.6.
         pg_cursors
- 
       
        
         52.7.
         pg_file_settings
- 
       
        
         52.8.
         pg_group
- 
       
        
         52.9.
         pg_hba_file_rules
- 
       
        
         52.10.
         pg_ident_file_mappings
- 
       
        
         52.11.
         pg_indexes
- 
       
        
         52.12.
         pg_locks
- 
       
        
         52.13.
         pg_matviews
- 
       
        
         52.14.
         pg_policies
- 
       
        
         52.15.
         pg_prepared_statements
- 
       
        
         52.16.
         pg_prepared_xacts
- 
       
        
         52.17.
         pg_publication_tables
- 
       
        
         52.18.
         pg_replication_origin_status
- 
       
        
         52.19.
         pg_replication_slots
- 
       
        
         52.20.
         pg_roles
- 
       
        
         52.21.
         pg_rules
- 
       
        
         52.22.
         pg_seclabels
- 
       
        
         52.23.
         pg_sequences
- 
       
        
         52.24.
         pg_settings
- 
       
        
         52.25.
         pg_shadow
- 
       
        
         52.26.
         pg_shmem_allocations
- 
       
        
         52.27.
         pg_stats
- 
       
        
         52.28.
         pg_stats_ext
- 
       
        
         52.29.
         pg_stats_ext_exprs
- 
       
        
         52.30.
         pg_tables
- 
       
        
         52.31.
         pg_timezone_abbrevs
- 
       
        
         52.32.
         pg_timezone_names
- 
       
        
         52.33.
         pg_user
- 
       
        
         52.34.
         pg_user_mappings
- 
       
        
         52.35.
         pg_views
- 
       
        
         52.36.
         pg_wait_events
 
- 53. Frontend/Backend Protocol
- 
     - 53.1. Overview
- 53.2. Message Flow
- 53.3. SASL Authentication
- 53.4. Streaming Replication Protocol
- 53.5. Logical Streaming Replication Protocol
- 53.6. Message Data Types
- 53.7. Message Formats
- 53.8. Error and Notice Message Fields
- 53.9. Logical Replication Message Formats
- 53.10. Summary of Changes since Protocol 2.0
 
- 54. PostgreSQL Coding Conventions
- 55. Native Language Support
- 56. Writing a Procedural Language Handler
- 57. Writing a Foreign Data Wrapper
- 58. Writing a Table Sampling Method
- 59. Writing a Custom Scan Provider
- 60. Genetic Query Optimizer
- 61. Table Access Method Interface Definition
- 62. Index Access Method Interface Definition
- 63. Write Ahead Logging for Extensions
- 64. Built-in Index Access Methods
- 65. Database Physical Storage
- 66. Transaction Processing
- 67. System Catalog Declarations and Initial Contents
- 68. How the Planner Uses Statistics
- 69. Backup Manifest Format