PG_STAT_SYS_TABLES
PG_STAT_SYS_TABLES displays the statistics about the system catalogs of all the namespaces in pg_catalog and information_schema schemas.
Name |
Type |
Description |
---|---|---|
relid |
oid |
Table OID |
schemaname |
name |
Schema name of the table |
relname |
name |
Name of a 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 analyzed |
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 |
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