SUMMARY_STAT_SYS_TABLES

SUMMARY_STAT_SYS_TABLES displays statistics about all the system catalogs in the pg_catalog, information_schema, and pg_toast schemas in openGauss.

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

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    openGauss 2024-04-12 00:46:38
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