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  5. PGXC_GROUP

PGXC_GROUP

PGXC_GROUP stores information about node groups.

Table 1 PGXC_GROUP columns

Name

Type

Description

group_name

name

Name of a node group

in_redistribution

"char"

Whether redistribution is required

group_members

oidvector

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. The value can be i, n, v, or e. i indicates the default Node Group (automatically generated upon the database installation); n indicates a common node group, whose resources will not be used for creating logical clusters; v indicates a Node Group whose resources will be used for creating logical clusters; and e indicates an elastic logical cluster.