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.
|
Column |
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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