pgpool-II 3.6.5 Documentation
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# pgpool_adm_pcp_node_count

## Name

pgpool_adm_pcp_node_count -- a function to retrieves number of backend nodes.

## Synopsis

``pcp_node_count returns integer`(text `host`, integer `port`, text `username`, text `password`);`

``pcp_node_count returns integer`(text `pcp_server`);`

## Description

`pcp_node_count` retrieves number of DB nodes.

## Arguments

`pcp_server`

  The foreign server name for pcp server.

`Other arguments`

  See pcp_common_options.

## Example

Here is an example output:

    test=# SELECT * FROM pcp_node_count('localhost',11001,'t-ishii','t-ishii');
     node_count
    ------------
              2
    (1 row)

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