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PGPOOL_ADM_PCP_NODE_INFO(3) pgpool-II 4.1.4 Documentation PGPOOL_ADM_PCP_NODE_INFO(3)

NAME

pgpool_adm_pcp_node_info - a function to display the information on the given node ID

SYNOPSIS

pcp_node_info returns record(integer node_id, text host, integer port, text username, text password, out status text, out weight float4, out role text, out replication_delay bigint, out replication_state text, out replication_sync_state text, out last_status_change timestamp);

pcp_node_info returns record(integer node_id, text pcp_server, out status text, out weight float4, out role text, out replication_delay bigint, out replication_state text, out replication_sync_state text, out last_status_change timestamp);

DESCRIPTION

pcp_node_info displays the information on the given node ID.

ARGUMENTS

node_id

The index of backend node to get information of.

pcp_server

The foreign server name for pcp server.

Other arguments

See pcp_common_options(1).

EXAMPLE

Here is an example output:



    test=# SELECT * FROM pcp_node_info(1,'',11001,'t-ishii','t-ishii');


    host | port  |      status       | weight |  role   | replication_delay | replication_state | replication_sync_state | last_status_change  


    ------+-------+-------------------+--------+---------+-------------------+-------------------+------------------------+---------------------


    /tmp | 11003 | Connection in use |      0 | Standby |                 0 | streaming         | async                  | 2019-04-23 15:02:46


    (1 row)


Note

role, replication_delay, last_status_change out parameters are new from Pgpool-II 4.0. If you have already installed pre-4.0 pgpool_adm extension, you can upgrade to the new one by using ALTER EXTENSION SQL command.



     ALTER EXTENSION pgpool_adm UPDATE;


Note

replication_state and replication_sync_state out parameters are new from Pgpool-II 4.1. If you have already installed pre-4.1 pgpool_adm extension, you can upgrade to the new one by using ALTER EXTENSION SQL command.



     ALTER EXTENSION pgpool_adm UPDATE;

2020 pgpool-II 4.1.4