Updated on 2023-10-23 GMT+08:00

PG_RUNNING_XACTS

PG_RUNNING_XACTS displays the running transaction information on the current node.

Table 1 PG_RUNNING_XACTS columns

Name

Type

Description

handle

integer

Slot handle in the transaction manager corresponding to a transaction. The value is fixed at –1.

gxid

xid

Transaction ID

state

tinyint

Transaction status (3: prepared or 0: starting)

node

text

Node name

xmin

xid

Minimum transaction ID on the node

vacuum

boolean

Whether the current transaction is lazy vacuum

  • t (true): yes
  • f (false): no

timeline

bigint

Number of database restarts

prepare_xid

xid

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

pid

bigint

Thread ID corresponding to the transaction

next_xid

xid

Transaction ID sent by other nodes to the current node. The value is fixed at 0.