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Type of backend (e.g. background worker, autovacuum worker). See pg_stat_activity for more information on backend_types. Some backend_types do not accumulate I/O operation statistics and will not be included in the view.

此版本暂无所选语言的定义，以下显示原始英文内容。

View

pg_stat_io

Field

backend_type

SQL type

text

Units named in the field definition

Not specified

Reset observation

Time at which these statistics were last reset.

documented

true

field

backend_type

manual path

/docs/18/monitoring-stats.html

signature

SELECT backend_type FROM pg_catalog.pg_stat_io;

source only

false

sql type

text

units mentioned

未知

view

pg_stat_io