Updated on 2023-04-14 GMT+08:00

GLOBAL_TABLE_CHANGE_STAT

GLOBAL_TABLE_CHANGE_STAT displays the changes of all tables (excluding foreign tables) in the current database. The value of each column that indicates the number of times is the accumulated value since the instance was started.

Table 1 GLOBAL_TABLE_CHANGE_STAT columns

Name

Type

Description

schemaname

name

Namespace of a table

relname

name

Table name

last_vacuum

timestamp with time zone

Time when the last VACUUM operation is performed manually

vacuum_count

bigint

Number of times of manually performing the VACUUM operation. The value is the sum of the number of times on each CN.

last_autovacuum

timestamp with time zone

Time when the last VACUUM operation is performed automatically

autovacuum_count

bigint

Number of times of automatically performing the VACUUM operation. The value is the sum of the number of times on each CN.

last_analyze

timestamp with time zone

Time when the ANALYZE operation is performed (both manually and automatically)

analyze_count

bigint

Number of times of performing the ANALYZE operation (both manually and automatically). The ANALYZE operation is performed on all CNs at the same time. Therefore, the value of this column is the maximum value on all CNs.

last_autoanalyze

timestamp with time zone

Time when the last ANALYZE operation is performed automatically

autoanalyze_count

bigint

Number of times of automatically performing the ANALYZE operation. The value is the sum of the number of times on each CN.

last_change

bigint

Time when the last modification (INSERT, UPDATE, or DELETE) is performed