SUMMARY_STAT_SYS_TABLES

SUMMARY_STAT_SYS_TABLES displays statistics about the system catalogs of all the namespaces in pg_catalog and information_schema schemas in MogDB.

Table 1 SUMMARY_STAT_SYS_TABLES columns

Name	Type	Description
schemaname	name	Name of the schema that contains the table
relname	name	Table name
seq_scan	numeric	Number of sequential scans initiated on this table
seq_tup_read	numeric	Number of live rows fetched by sequential scans
idx_scan	numeric	Number of index scans initiated on the table
idx_tup_fetch	numeric	Number of live rows fetched by index scans
n_tup_ins	numeric	Number of rows inserted
n_tup_upd	numeric	Number of rows updated
n_tup_del	numeric	Number of rows deleted
n_tup_hot_upd	numeric	Number of rows HOT updated (with no separate index update required)
n_live_tup	numeric	Estimated number of live rows
n_dead_tup	numeric	Estimated number of dead rows
last_vacuum	timestamp with time zone	Last time at which this table was manually vacuumed (not counting VACUUM FULL)
last_autovacuum	timestamp with time zone	Last time at which this table was vacuumed by the autovacuum daemon
last_analyze	timestamp with time zone	Last time at which this table was manually analyzed
last_autoanalyze	timestamp with time zone	Last time at which this table was analyzed by the autovacuum daemon
vacuum_count	numeric	Number of times the table has been manually vacuumed (not counting VACUUM FULL)
autovacuum_count	numeric	Number of times the table has been vacuumed by the autovacuum daemon
analyze_count	numeric	Number of times the table has been manually analyzed
autoanalyze_count	numeric	Number of times the table has been analyzed by the autovacuum daemon