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pg_catalog_get_defsExtensionsExtensionsAdds PL/pgSQL functions that reconstruct CREATE TYPE definitions from pg_catalog metadata. catalog ddl introspection pg_catalog_get_defs AdministrationAdministration · Extensions pg_catcheckExtensionsExtensionsDiagnosing system catalog corruption pg_catcheck AdministrationAdministration · Extensions pg_celExtensionsExtensionsA pure PostgreSQL implementation of the Google Zanzibar / OpenFGA authorization model. pg_cel SecuritySecurity · Extensions pg_cextExtensionsExtensionsA PostgreSQL extension to add two numbers addition c custom extension gsoc postgresql postgresql-extension tutorial pg_cext Functions and aggregatesFunctions and aggregates · Extensions pg_cgroupExtensionsExtensionsProvides SQL-callable functions to create, configure, and attach processes to Linux cgroups. cgroup resource-control shared-preload pg_cgroup AdministrationAdministration · Extensions pg_chainsyncExtensionsExtensionsAccess blockchain blocks, events, and tasks directly inside PostgreSQL using background workers. background-worker blockchain pgrx pg_chainsync Replication and streamsReplication and streams · Extensions pg_chainutilsExtensionsExtensionsBlockchain utility types and functions for PostgreSQL, built with pgrx. pgrx pg_chainutils Data typesData types · Extensions pg_change_point_detectionExtensionsExtensionsA Postgres extension to detect change points in time series data pg_change_point_detection Time seriesTime series · Extensions pg_chaos_shuffleExtensionsExtensionsChaos-testing hook that randomizes SELECT results lacking ORDER BY. chaos ordering testing executor-hook pg_chaos_shuffle FeaturesFeatures · Extensions pg_cheat_funcsExtensionsExtensionsProvides cheat (but useful) functions pg_cheat_funcs AdministrationAdministration · Extensions pg_checkExtensionsExtensionsProvides basic integrity checks for data files. check corruption data integrity structure pg_check AdministrationAdministration · Extensions pg_checkdestroyExtensionsExtensionscheck sql drop&delete&truncate table destructive-statement guard shared-preload pg_checkdestroy AdministrationAdministration · Extensions pg_checksumsExtensionsExtensionsActivate/deactivate/verify checksums in offline Postgres clusters bin pg_checksums AdministrationAdministration · Extensions pg_circuitExtensionsExtensionsRuntime observation, warnings and blocking for dangerous SQL statements guard ddl dml pg_circuit AdministrationAdministration · Extensions pg_cjk_parserExtensionsExtensionsCJK bigram parser derived from PostgreSQL full-text search pg_cjk_parser Full-text searchFull-text search · Extensions pg_cld2ExtensionsExtensionsDetects likely human language and script in PostgreSQL using CLD2. cld2 language language-detection pg_cld2 Full-text searchFull-text search · Extensions pg_clickhouseExtensionsExtensionsInterfaces to query ClickHouse databases from PostgreSQL pg_clickhouse AnalyticsAnalytics · Extensions pg_climbExtensionsExtensionsRock-climbing grade conversion and utility functions. climbing grade conversion statistics pg_climb Functions and aggregatesFunctions and aggregates · Extensions pg_colbert_llamaExtensionsExtensionsColBERT embedding companion extension for pgturbohybrid bm25 hybrid hybrid-search pgvector postgres-extension postgresql rag retrieval turboquant vector-search pg_colbert_llama AI and vector…AI and vectors · Extensions pg_collkeyExtensionsExtensionsICU collation function wrapper collation icu unicode pg_collkey UtilitiesUtilities · Extensions pg_colorExtensionsExtensionsColor data type for PostgreSQL pg_color Data typesData types · Extensions pg_column_tetrisExtensionsExtensionsEnforce optimal column alignment to minimize row padding pg_column_tetris AdministrationAdministration · Extensions pg_columnmaskExtensionsExtensionsAmazon Aurora PostgreSQL extension for role-based dynamic column masking without changing stored data. aurora aws data-masking pg_columnmask SecuritySecurity · Extensions pg_command_fwExtensionsExtensionsDDL and utility command firewall for PostgreSQL pg_command_fw SecuritySecurity · Extensions pg_concurrency_controlExtensionsExtensionsConcurrency control plug-in for Alibaba Cloud ApsaraDB RDS PostgreSQL pg_concurrency_control AdministrationAdministration · Extensions pg_condaExtensionsExtensionsPostgreSQL extension adding conda ecosystem version types, aggregates, and functions. conda data-type pgrx pg_conda Data typesData types · Extensions pg_conn2ExtensionsExtensionsManage separate PostgreSQL database connections from SQL code pg_conn2 Foreign data wrappersForeign data wrappers · Extensions pg_connlimitExtensionsExtensionsLimits per-role connection counts from filesystem configuration without catalog access. pg_connlimit AdministrationAdministration · Extensions pg_consulExtensionsExtensionsC++ PostgreSQL extension exposing SQL functions for Consul status, catalog, and key-value APIs. consul key-value service-discovery pg_consul UtilitiesUtilities · Extensions pg_contextdumpExtensionsExtensionsReports allocated-memory statistics for PostgreSQL memory contexts. pg_memorydump MonitoringMonitoring · Extensions pg_control_priorityExtensionsExtensionsControls scheduling priorities (nice values) of PostgreSQL server processes. process-control resource-management pg_control_priority AdministrationAdministration · Extensions pg_cooldownExtensionsExtensionsremove buffered pages for specific relations pg_cooldown AdministrationAdministration · Extensions pg_coredumpExtensionsExtensionsEasier core dump collection for PostgreSQL pg_coredump AdministrationAdministration · Extensions pg_crashExtensionsExtensionsSend random signals to random processes pg_crash AdministrationAdministration · Extensions pg_crasherExtensionsExtensionsProvides a function that intentionally crashes a PostgreSQL backend for client error-handling tests. crash error-handling testing pg_crasher FeaturesFeatures · Extensions pg_crdt_jsonbExtensionsExtensionsConflict-free replicated data type operations for PostgreSQL jsonb values. pg_crdt_jsonb Data typesData types · Extensions pg_credereumExtensionsExtensionsCryptographically verifiable database auditing backed by blockchain-style transaction blocks. pg_credereum SecuritySecurity · Extensions pg_cronExtensionsExtensionsJob scheduler for PostgreSQL pg_cron Time seriesTime series · Extensions pg_cron_helperExtensionsExtensionsExtension to help functionality of pg_cron pg_cron_helper Time seriesTime series · Extensions pg_cryogenExtensionsExtensionsExperimental append-only compressed table access method for PostgreSQL 12 and later. append-only compression table-access-method pg_cryogen AnalyticsAnalytics · Extensions