PG_RUNNING_XACTS

PG_RUNNING_XACTS displays information about running transactions on the current node.

Table 1 PG_RUNNING_XACTS columns

Name

Type

Description

handle

integer

Handle corresponding to the transaction in GTM

gxid

xid

Transaction ID

state

tinyint

Transaction status (3: prepared or 0: starting)

node

text

Node name

xmin

xid

Minimum transaction ID xmin on the node

vacuum

boolean

Whether the current transaction is lazy vacuum

timeline

bigint

Number of database restarts

prepare_xid

xid

Transaction ID in the prepared status. If the status is not prepared, the value is 0.

pid

bigint

Thread ID corresponding to the transaction

next_xid

xid

Transaction ID sent from a CN to a DN