PG_STAT_ALL_TABLES

PG_STAT_ALL_TABLES displays statistics about accesses to tables in the current database, including TOAST tables.

**Table 1** PG_STAT_ALL_TABLES columns
Name	Type	Description
relid	oid	Table OID
schemaname	name	Schema name of the table
relname	name	Name of the table
seq_scan	bigint	Number of sequential scans started on the table
seq_tup_read	bigint	Number of rows that have live data fetched by sequential scans
idx_scan	bigint	Number of index scans
idx_tup_fetch	bigint	Number of rows that have live data fetched by index scans
n_tup_ins	bigint	Number of rows inserted
n_tup_upd	bigint	Number of rows updated
n_tup_del	bigint	Number of rows deleted
n_tup_hot_upd	bigint	Number of rows updated by HOT (no separate index update is required)
n_live_tup	bigint	Estimated number of live rows
n_dead_tup	bigint	Estimated number of dead rows
last_vacuum	timestamp with time zone	Last time at which this table was manually vacuumed (excluding VACUUM FULL)
last_autovacuum	timestamp with time zone	Last time at which this table was automatically vacuumed
last_analyze	timestamp with time zone	Last time at which this table was analyzed
last_autoanalyze	timestamp with time zone	Last time at which this table was automatically vacuumed
vacuum_count	bigint	Number of vacuum operations (excluding VACUUM FULL)
autovacuum_count	bigint	Number of autovacuum operations
analyze_count	bigint	Number of analyze operations
autoanalyze_count	bigint	Number of autoanalyze operations
last_data_changed	timestamp with time zone	Last time at which this table was updated (by INSERT/UPDATE/DELETE or EXCHANGE/TRUNCATE/DROP partition). This column is recorded only on the local CN.

Example

Query the last data change time in the table_test table:

    
         SELECT last_data_changed FROM PG_STAT_ALL_TABLES WHERE relname ='table_test';
       last_data_changed
-------------------------------
 2024-03-27 10:28:16.277136+08
(1 row)