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pg_statio_all_tablesThe pg_statio_all_tables view will contain one row for each table in the current database (including TOAST tables), showing statistics about I/O on that specific table. The pg_statio_user_ta…
pg_statisticThe catalog pg_statistic stores statistical data about the contents of the database. Entries are created by ANALYZE and subsequently used by the query planner. Note that all the statistical …
pg_statistic_extThe catalog pg_statistic_ext holds definitions of extended planner statistics. Each row in this catalog corresponds to a statistics object created with CREATE STATISTICS.
Table 52.52. pg_sta…
pg_statistic_ext_dataThe catalog pg_statistic_ext_data holds data for extended planner statistics defined in pg_statistic_ext. Each row in this catalog corresponds to a statistics object created with CREATE STAT…
pg_statkitDescriptive statistics and clinical effect-size functions over arrays.
statistics clinical effect-size arrays
pg_statkit
Functions and aggregates
pg_statsThe view pg_stats provides access to the information stored in the pg_statistic catalog. This view allows access only to rows of pg_statistic that correspond to tables the user has permissio…
pg_statsCustomized statistics views
pg_stats
Monitoring
pg_stats_extThe view pg_stats_ext provides access to information about each extended statistics object in the database, combining information stored in the pg_statistic_ext and pg_statistic_ext_data cat…
pg_stats_ext_exprsThe view pg_stats_ext_exprs provides access to information about all expressions included in extended statistics objects, combining information stored in the pg_statistic_ext and pg_statisti…
pg_statvfsExpose server filesystem capacity and inode statistics through statvfs
filesystem monitoring
pg_statvfs
Monitoring
pg_statvizCapture PostgreSQL statistics snapshots for time-series analysis and visualization
monitoring statistics snapshot time-series visualization
pg_statviz
Monitoring
pg_stlTime series analysis functions for PostgreSQL
pg_stl
Time series
pg_store_planstrack plan statistics of all SQL statements executed
pg_store_plans
Monitoring
pg_strAdd Laravel-inspired string manipulation functions to PostgreSQL using pgrx
pgrx string text
pg_str
Functions and aggregates
pg_streamingDeclarative stream processing engine inside PostgreSQL
pgrx
pg_extensions
Replication and streams
pg_strictPrevent dangerous UPDATE and DELETE without WHERE clause
pgrx
pg_strict
Administration
pg_string_extensionC string helpers for palindrome checks, anagram checks, and character sorting.
anagram palindrome string-functions
pg_string_extension
Functions and aggregates
pg_stromPG-Strom - big-data processing acceleration using GPU and NVME
non-free
pg_strom
Analytics
pg_strverscmpNatural-sort comparison functions, text operators, and a btree operator class based on a strverscmp-like order.
hack postgresql sorting-algorithms
pg_strverscmp
Functions and aggregates
pg_subscriptionThe catalog pg_subscription contains all existing logical replication subscriptions. For more information about logical replication see Chapter 29.
Unlike most system catalogs, pg_subscripti…
pg_subscription_relThe catalog pg_subscription_rel contains the state for each replicated relation in each subscription. This is a many-to-many mapping.
This catalog only contains tables known to the subscript…
pg_substraitExecute Substrait protobuf or JSON query plans through PostgreSQL functions
pgrx query-plan substrait
pg_substrait
Analytics
pg_subtrans_infosInspect PostgreSQL subtransaction status, parent XIDs, nesting level, and commit timestamps.
subtransactions transactions xid
pg_subtrans_infos
Administration
pg_subxact_countersGlobal counters for PostgreSQL subtransaction activity
monitoring shared-preload subtransactions
pg_subxact_counters
Monitoring
pg_sulogPostgreSQL superuser operation logging and blocking extension
pg_sulog
Security
pg_summarizeText Summarization using LLMs. Built using pgrx
pgrx nil-lic
pg_summarize
AI and vectors
pg_surgeryperform low-level surgery on relation data
The pg_surgery module provides various functions to perform surgery on a damaged relation. These functions are unsafe by design and using them may …
pg_surgery — perform low-level surgery on relation dataThe pg_surgery module provides various functions to perform surgery on a damaged relation. These functions are unsafe by design and using them may corrupt (or further corrupt) your database.…
pg_swarmBackground-worker task scheduling with SQL executors.
pgrx proof-of-concept
pg_extensions
Features
pg_sweepCollect PostgreSQL database and table statistics as JSON for monitoring.
monitoring pgrx statistics
pg_sweep
Monitoring
pg_synapse_pgrxpg synapse: Postgres-native agent-loop runtime
pgrx rust
pg_synapse_pgrx
AI and vectors
pg_synthesize_walGenerate PostgreSQL WAL records of various sizes
development shared-preload testing wal
pg_synthesize_wal
Features
pg_sysdatetimeHigh-precision SQL Server-style system datetime functions for PostgreSQL, mainly useful on older Windows builds.
pg_sysdatetime
Compatibility
pg_sysloadExpose Linux system load averages from PostgreSQL
linux pgrx system-monitoring
pg_sysload
Monitoring
pg_taTA-Lib technical-analysis functions exposed as PostgreSQL functions
finance technical-analysis
pg_ta
Functions and aggregates
pg_table_bloatPostgreSQL extension that estimates table bloat from pg class + pg stats — no pgstattuple required
pg_table_bloat
Administration
pg_table_rangePlanning-time partition pruning by per-partition data ranges, including non-key columns.
brin partitioning pgrx planner postgis
pg_table_range
Analytics
pg_tablesThe view pg_tables provides access to useful information about each table in the database.
Table 53.32. pg_tables Columns Column Type Description schemaname name (references pg_namespace.nsp…
pg_tablespaceThe catalog pg_tablespace stores information about the available tablespaces. Tables can be placed in particular tablespaces to aid administration of disk layout.
Unlike most system catalogs…
pg_tamagotchiA pet for your postgres db
postgres postgresql-extension tamagotchi
pg_tamagotchi
Features
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