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(1).

EXAMPLE

       Here is an example output:

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