PGXC_GROUP

PGXC_GROUP records information about node groups.

Table 1 PGXC_GROUP columns

Name

Type

Description

group_name

name

Node Group name.

in_redistribution

"char"

Whether redistribution is required

  • n indicates that the Node Group is not redistributed.

  • y indicates the source Node Group in redistribution.

  • t indicates the destination Node Group in redistribution.

group_members

oidvector_extend

Node OID list of the Node Group

group_buckets

text

Distributed data bucket group

is_installation

boolean

Whether to install a sub-cluster

group_acl

aclitem[]

Access permissions

group_kind

"char"

Node Group type

  • i indicates an installation Node Group.

  • n indicates a Node Group in a common, non-logical cluster.

  • v indicates a Node Group in a logical cluster.

  • e indicates an elastic cluster.