6 A. PostgreSQL Error Codes
9 B.1. Date/Time Input Interpretation
10 B.2. Handling of Invalid or Ambiguous Timestamps
11 B.3. Date/Time Key Words
12 B.4. Date/Time Configuration Files
13 B.5. POSIX Time Zone Specifications
20 D.1. Supported Features
21 D.2. Unsupported Features
22 D.3. XML Limits and Conformance to SQL/XML
29 F. Additional Supplied Modules and Extensions
31 F.1. amcheck — tools to verify table and index consistency
32 F.2. auth_delay — pause on authentication failure
33 F.3. auto_explain — log execution plans of slow queries
34 F.4. basebackup_to_shell — example "shell" pg_basebackup module
35 F.5. basic_archive — an example WAL archive module
36 F.6. bloom — bloom filter index access method
37 F.7. btree_gin — GIN operator classes with B-tree behavior
38 F.8. btree_gist — GiST operator classes with B-tree behavior
39 F.9. citext — a case-insensitive character string type
40 F.10. cube — a multi-dimensional cube data type
41 F.11. dblink — connect to other PostgreSQL databases
42 F.12. dict_int — example full-text search dictionary for integers
43 F.13. dict_xsyn — example synonym full-text search dictionary
44 F.14. earthdistance — calculate great-circle distances
45 F.15. file_fdw — access data files in the server's file system
46 F.16. fuzzystrmatch — determine string similarities and distance
47 F.17. hstore — hstore key/value datatype
48 F.18. intagg — integer aggregator and enumerator
49 F.19. intarray — manipulate arrays of integers
50 F.20. isn — data types for international standard numbers (ISBN,
53 F.21. lo — manage large objects
54 F.22. ltree — hierarchical tree-like data type
55 F.23. pageinspect — low-level inspection of database pages
56 F.24. passwordcheck — verify password strength
57 F.25. pg_buffercache — inspect PostgreSQL buffer cache state
58 F.26. pgcrypto — cryptographic functions
59 F.27. pg_freespacemap — examine the free space map
60 F.28. pg_logicalinspect — logical decoding components inspection
61 F.29. pg_overexplain — allow EXPLAIN to dump even more details
62 F.30. pg_prewarm — preload relation data into buffer caches
63 F.31. pgrowlocks — show a table's row locking information
64 F.32. pg_stat_statements — track statistics of SQL planning and
67 F.33. pgstattuple — obtain tuple-level statistics
68 F.34. pg_surgery — perform low-level surgery on relation data
69 F.35. pg_trgm — support for similarity of text using trigram
72 F.36. pg_visibility — visibility map information and utilities
73 F.37. pg_walinspect — low-level WAL inspection
74 F.38. postgres_fdw — access data stored in external PostgreSQL
77 F.39. seg — a datatype for line segments or floating point
80 F.40. sepgsql — SELinux-, label-based mandatory access control
83 F.41. spi — Server Programming Interface features/examples
84 F.42. sslinfo — obtain client SSL information
85 F.43. tablefunc — functions that return tables (crosstab and
88 F.44. tcn — a trigger function to notify listeners of changes to
91 F.45. test_decoding — SQL-based test/example module for WAL
94 F.46. tsm_system_rows — the SYSTEM_ROWS sampling method for
97 F.47. tsm_system_time — the SYSTEM_TIME sampling method for
100 F.48. unaccent — a text search dictionary which removes diacritics
101 F.49. uuid-ossp — a UUID generator
102 F.50. xml2 — XPath querying and XSLT functionality
104 G. Additional Supplied Programs
106 G.1. Client Applications
107 G.2. Server Applications
111 H.1. Client Interfaces
112 H.2. Administration Tools
113 H.3. Procedural Languages
116 I. The Source Code Repository
118 I.1. Getting the Source via Git
124 J.3. Building the Documentation with Make
125 J.4. Building the Documentation with Meson
126 J.5. Documentation Authoring
134 N.1. When Color is Used
135 N.2. Configuring the Colors
137 O. Obsolete or Renamed Features
139 O.1. recovery.conf file merged into postgresql.conf
140 O.2. Default Roles Renamed to Predefined Roles
141 O.3. pg_xlogdump renamed to pg_waldump
142 O.4. pg_resetxlog renamed to pg_resetwal
143 O.5. pg_receivexlog renamed to pg_receivewal