oid
|
oid
|
Row identifier (hidden attribute, which must be specified)
|
node_name
|
name
|
Node name
|
node_type
|
"char"
|
Node type - C: coordinator node (CN)
- D: data node (DN)
- S: standby node
|
node_port
|
integer
|
Port number of the node
|
node_host
|
name
|
Host name or IP address of a node. (If a virtual IP address is configured, its value is a virtual IP address.)
|
node_port1
|
integer
|
Port number of a replication node
|
node_host1
|
name
|
Host name or IP address of a replication node. (If a virtual IP address is configured, its value is a virtual IP address.)
|
hostis_primary
|
Boolean
|
Whether a primary/standby switchover occurs on the current node
- t (true): yes
- f (false): no
|
nodeis_primary
|
Boolean
|
Whether the current node is preferred to execute non-query operations in the replication table
- t (true): yes
- f (false): no
|
nodeis_preferred
|
Boolean
|
Whether the current node is preferred to execute queries in the replication table
- t (true): yes
- f (false): no
|
node_id
|
integer
|
Node identifier. The value is obtain by calculating the value of node_name using the hash function.
|
sctp_port
|
integer
|
Port used by the TCP proxy communication library or SCTP communication library of the primary node to listen to the data channel
|
control_port
|
integer
|
Port used by the TCP proxy communication library or SCTP communication library of the primary node to listen to the control channel
|
sctp_port1
|
integer
|
Port used by the TCP proxy communication library or SCTP communication library of the standby node to listen to the data channel
|
control_port1
|
integer
|
Port used by the TCP proxy communication library or SCTP communication library of the standby node to listen to the control channel
|
nodeis_central
|
Boolean
|
Whether the current node is a CN. It is used only for CNs and is invalid for DNs.
- t (true): yes
- f (false): no
|
nodeis_active
|
Boolean
|
Whether the current node is normal. It is used to mark whether the CN is removed and is invalid for DNs.
- t (true): yes
- f (false): no
|