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Note: XCONLY: The following description applies only to Postgres-XC.
The catalog pgxc_group stores information about cluster node group information, which is a list of cluster node OIDs. Groups can be used as aliases.
Table 47-56. pgxc_group Columns
| Name | Type | References | Description |
|---|---|---|---|
| group_name | name | Name of cluster node group | |
| group_members | oidvector | pgxc_node.oid | List of node OIDs of the node group |