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Time when this process' current transaction was started, or null if no transaction is active. If the current query is the first of its transaction, this column is equal to the query_start column.

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_activity

Field

xact_start

SQL type

timestamp with time zone

Units named in the field definition

Not specified

Reset observation

No stats_reset field is documented for this view

documented

true

field

xact_start

manual path

/docs/18/monitoring-stats.html

signature

SELECT xact_start FROM pg_catalog.pg_stat_activity;

source only

false

sql type

timestamp with time zone

units mentioned

未知

view

pg_stat_activity