Search PostgreSQL documentation

libuuidExtensionsExtensionsGenerate UUIDs through the system libuuid library function uuid pglibuuid Functions and aggregatesFunctions and aggregates · Extensions libversionExtensionsExtensionsVersion string comparison functions and versiontext type using libversion comparison datatype version postgresql-libversion Data typesData types · Extensions libx509pqExtensionsExtensionsX.509 certificate parsing library for PostgreSQL certificate openssl security x509 libx509pq SecuritySecurity · Extensions lispgExtensionsExtensionsLisp-like expression type and evaluator for PostgreSQL language lisp parser lispg Procedural languagesProcedural languages · Extensions livewireExtensionsExtensionspower delivery modeling electric-grid pgrouting postgis routing livewire GeospatialGeospatial · Extensions llama_embedExtensionsExtensionsllama.cpp embedding extension for dense and multivector search bm25 hybrid hybrid-search pgvector postgres-extension postgresql rag retrieval turboquant vector-search llama_embed AI and vect…AI and vectors · Extensions loExtensionsPG18F.21. lo — manage large objects The lo module provides support for managing Large Objects (also called LOs or BLOBs). This includes a data type lo and a trigger lo_manage. This module is con…lo — manage large objects log_entriesExtensionsExtensionsRow trigger that records who changed a row and when audit trigger log_entries SecuritySecurity · Extensions log_fdwExtensionsExtensionsforeign-data wrapper for Postgres log file access log_fdw Foreign data wrappersForeign data wrappers · Extensions log_functionsExtensionsExtensionsModule to log functions function log stored procedure log_functions MonitoringMonitoring · Extensions logerrorsExtensionsExtensionsFunction for collecting statistics about messages in logfile logerrors SecuritySecurity · Extensions logfmtExtensionsExtensionslogfmt log collector log logging monitoring logfmt MonitoringMonitoring · Extensions loggingExtensionsExtensionsAdministrative C function to enable or disable logging mode on relations. admin unlogged wal logging AdministrationAdministration · Extensions logical_ddlExtensionsExtensionsReplicate supported DDL changes over PostgreSQL logical replication logical_ddl Replication and streamsReplication and streams · Extensions login_hookExtensionsExtensionslogin_hook - hook to execute login_hook.login() at login time login_hook SecuritySecurity · Extensions login_refuseExtensionsExtensionsAuthentication hook that temporarily refuses logins after repeated failures authentication login security login_refuse SecuritySecurity · Extensions loginfoExtensionsExtensionsFunctions and views for PostgreSQL to query the postgres log logging monitoring observability loginfo MonitoringMonitoring · Extensions loglog_counterExtensionsExtensionsAggregation functions and data type for distinct estimation based on LogLog. aggregate count distinct estimate loglog distinct_estimators Functions and aggregatesFunctions and aggregates · Extensions lolorExtensionsExtensionsLogical-replication-friendly replacement for PostgreSQL large objects fork pgedge lolor Replication and streamsReplication and streams · Extensions londisteExtensionsExtensionsLondiste replication support code logical-replication queue replication londiste Replication and streamsReplication and streams · Extensions lostgisExtensionsExtensionsLostGIS spatial helper functions and types gis spatial spatiotemporal temporal tpv lostgis GeospatialGeospatial · Extensions lower_quantileExtensionsExtensionsLower quantile aggregate function lower_quantile Functions and aggregatesFunctions and aggregates · Extensions lpathtreeExtensionsExtensionsHierarchical path types using slash-separated labels hierarchy path tree lpathtree Data typesData types · Extensions lshvectorExtensionsExtensionsa feature vector type and a locality sensitive hashing index lshvector AI and vectorsAI and vectors · Extensions lsmExtensionsExtensionsRocksDB foreign data wrapper for PostgreSQL fdw key-value rocksdb lsm Foreign data wrappersForeign data wrappers · Extensions lsm3ExtensionsExtensionsLSM tree index access method based on PostgreSQL B-tree indexes btree index lsm lsm3 FeaturesFeatures · Extensions lsm_idxExtensionsExtensionsExperimental LSM-style index access method built on PostgreSQL B-tree internals access-method index lsm lsm_idx FeaturesFeatures · Extensions ltreeExtensionsPG18F.22. ltree — hierarchical tree-like data type This module implements a data type ltree for representing labels of data stored in a hierarchical tree-like structure. Extensive facilities for…ltree — hierarchical tree-like data type ltree_plpython2uExtensionsExtensionsA fixed postgres xl so it can compile on newer versions of GCC and glibc ltree_plpython2u Procedural languagesProcedural languages · Extensions ltree_plpython3uExtensionsExtensionstransform between ltree and plpython3u plpython3u Procedural languagesProcedural languages · Extensions ltree_plpythonuExtensionsExtensionstransform between ltree and plpythonu ltree_plpythonu Procedural languagesProcedural languages · Extensions ltree_plrubyExtensionsExtensionsTransform between ltree and Ruby Arrays for PL/Ruby ltree ruby transform plruby Procedural languagesProcedural languages · Extensions lua_fdwExtensionsExtensionsLua Foreign Data Wrapper fdw lua read-only lua_fdw Foreign data wrappersForeign data wrappers · Extensions ludia_funcsExtensionsExtensionsLudia full-text search helper functions fts japanese normalization snippet ludia_funcs Full-text searchFull-text search · Extensions lukasiewicz_logicExtensionsExtensionsProvides operators to evaluate fuzzy logic expressions according to Łukasiewicz logic. fuzzy gödel logic operators product łukasiewicz fuzzy_logic Functions and aggregatesFunctions and aggregates · Extensions ly2pgExtensionsExtensionsImport LilyPond files into PostgreSQL dependency-closure ly2pg source-only sql pgwtc Replication and streamsReplication and streams · Extensions macavityExtensionsExtensionsDeterministic session-local fault injection for PostgreSQL test clusters test fault-injection macavity AdministrationAdministration · Extensions madlibExtensionsExtensionsAn open-source in-database analytics library analytics machine learning madlib AI and vectorsAI and vectors · Extensions mageExtensionsExtensionsYugabyteDB - the cloud native distributed SQL database for mission-critical applications. cloud-native cpp database distributed-database distributed-sql distributed-sql-database high-perform…Features · Extensions maludb_coreExtensionsExtensionsPostgreSQL memory and knowledge graph with tenant schemas, vector retrieval, and scoped principals database memory postgresql postgresql-extension maludb_core AI and vectorsAI and vectors · Extensions