PostgreSQL extensions installation ¶
“Mastering PostgreSQL in Application Development” Dimitri Fontaine ( https://fediverse.org/tapoueh ), 2017, p. 198 ¶
On Debian based ¶
sudo apt install postgresql-contrib
SELECT * FROM pg_available_extensions; ¶
postgres=# SELECT * FROM pg_available_extensions;
name | default_version | installed_version | comment
--------------------+-----------------+-------------------+----------------------------------------------------------------------
citext | 1.5 | | data type for case-insensitive character strings
autoinc | 1.0 | | functions for autoincrementing fields
pageinspect | 1.7 | | inspect the contents of database pages at a low level
pgstattuple | 1.5 | | show tuple-level statistics
earthdistance | 1.1 | | calculate great-circle distances on the surface of the Earth
pgrowlocks | 1.2 | | show row-level locking information
insert_username | 1.0 | | functions for tracking who changed a table
xml2 | 1.1 | | XPath querying and XSLT
seg | 1.3 | | data type for representing line segments or floating-point intervals
tcn | 1.0 | | Triggered change notifications
plpgsql | 1.0 | 1.0 | PL/pgSQL procedural language
btree_gist | 1.5 | | support for indexing common datatypes in GiST
ltree | 1.1 | | data type for hierarchical tree-like structures
pg_prewarm | 1.2 | | prewarm relation data
postgres_fdw | 1.0 | | foreign-data wrapper for remote PostgreSQL servers
pg_visibility | 1.2 | | examine the visibility map (VM) and page-level visibility info
dblink | 1.2 | | connect to other PostgreSQL databases from within a database
isn | 1.2 | | data types for international product numbering standards
btree_gin | 1.3 | | support for indexing common datatypes in GIN
sslinfo | 1.2 | | information about SSL certificates
pg_freespacemap | 1.2 | | examine the free space map (FSM)
intagg | 1.1 | | integer aggregator and enumerator (obsolete)
tsm_system_time | 1.0 | | TABLESAMPLE method which accepts time in milliseconds as a limit
fuzzystrmatch | 1.1 | | determine similarities and distance between strings
tablefunc | 1.0 | | functions that manipulate whole tables, including crosstab
cube | 1.4 | | data type for multidimensional cubes
pg_trgm | 1.4 | | text similarity measurement and index searching based on trigrams
pg_stat_statements | 1.6 | | track execution statistics of all SQL statements executed
intarray | 1.2 | | functions, operators, and index support for 1-D arrays of integers
lo | 1.1 | | Large Object maintenance
amcheck | 1.1 | | functions for verifying relation integrity
dict_int | 1.0 | | text search dictionary template for integers
adminpack | 2.0 | | administrative functions for PostgreSQL
tsm_system_rows | 1.0 | | TABLESAMPLE method which accepts number of rows as a limit
dict_xsyn | 1.0 | | text search dictionary template for extended synonym processing
refint | 1.0 | | functions for implementing referential integrity (obsolete)
pgcrypto | 1.3 | 1.3 | cryptographic functions
bloom | 1.0 | | bloom access method - signature file based index
file_fdw | 1.0 | | foreign-data wrapper for flat file access
moddatetime | 1.0 | | functions for tracking last modification time
hstore | 1.5 | | data type for storing sets of (key, value) pairs
timetravel | 1.0 | | functions for implementing time travel
pg_buffercache | 1.3 | | examine the shared buffer cache
unaccent | 1.1 | | text search dictionary that removes accents
uuid-ossp | 1.1 | | generate universally unique identifiers (UUIDs)
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