NAME

       PGPOOL_SHOW - show the value of a configuration parameter

SYNOPSIS

          PGPOOL SHOW configuration_parameter
          PGPOOL SHOW configuration_parameter_group
          PGPOOL SHOW ALL

DESCRIPTION

       PGPOOL SHOW will display the current value of Pgpool-II configuration parameters. This
       command is similar to the SHOW[1] command in PostgreSQL with an addition of PGPOOL keyword
       to distinguish it from the PostgreSQL SHOW command.

PARAMETERS

       configuration_parameter
           The name of a Pgpool-II configuration parameter. Available parameters are documented
           in Chapter 5, Server Configuration, in the documentation.

               Note
               If the parameter contains uppercase letters (e.g.  delegate_IP), the parameter
               name must be enclosed in double quotes.

       configuration_parameter_group
           The name of the Pgpool-II configuration parameter group. Currently there are three
           parameter groups.

           backend
               Configuration group of all backend config parameters.

           watchdog
               Configuration group of all watchdog node config parameters.

           heartbeat
               configuration group of all watchdog heartbeat config parameters.

           health_check
               configuration group of all health check parameters.

       ALL
           Show the values of all configuration parameters, with descriptions.

EXAMPLES

       Show the current setting of the parameter port:

           PGPOOL SHOW port;
           port
           ------
           9999
           (1 row)

       Show the current setting of the parameter write_function_list:

           PGPOOL SHOW write_function_list;
           write_function_list
           ---------------------
           nextval,setval
           (1 row)

       Show the current settings of all the configuration parameters belonging to backend group:

           PGPOOL SHOW backend;
           item                     |          value          |              description
           -------------------------+-------------------------+-----------------------------------------------------------
           backend_hostname0        | 127.0.0.1               | hostname or IP address of PostgreSQL backend.
           backend_port0            | 5434                    | port number of PostgreSQL backend.
           backend_weight0          | 0                       | load balance weight of backend.
           backend_data_directory0  | /var/lib/pgsql/data     | data directory of the backend.
           backend_flag0            | ALLOW_TO_FAILOVER       | Controls various backend behavior.
           backend_hostname1        | 127.0.0.1               | hostname or IP address of PostgreSQL backend.
           backend_port1            | 5432                    | port number of PostgreSQL backend.
           backend_weight1          | 1                       | load balance weight of backend.
           backend_data_directory1  | /home/work/installed/pg | data directory of the backend.
           backend_flag1            | ALLOW_TO_FAILOVER       | Controls various backend behavior.
           (10 rows)

       Show all settings:

           PGPOOL SHOW ALL;
           item                     |          value          |              description
           -------------------------+-------------------------+-----------------------------------------------------------
           backend_hostname0        | 127.0.0.1               | hostname or IP address of PostgreSQL backend.
           backend_port0            | 5434                    | port number of PostgreSQL backend.
           backend_weight0          | 0                       | load balance weight of backend.
           backend_data_directory0  | /var/lib/pgsql/data     | data directory of the backend.
           backend_flag0            | ALLOW_TO_FAILOVER       | Controls various backend behavior.
           backend_hostname1        | 127.0.0.1               | hostname or IP address of PostgreSQL backend.
           backend_port1            | 5432                    | port number of PostgreSQL backend.
           backend_weight1          | 1                       | load balance weight of backend.
           backend_data_directory1  | /home/work/installed/pg | data directory of the backend.
           backend_flag1            | ALLOW_TO_FAILOVER       | Controls various backend behavior.
           hostname0                | localhost               | Hostname of pgpool node for watchdog connection.
           .
           .
           .
           ssl                      | off                     | Enables SSL support for frontend and backend connections
           (138 rows)

SEE ALSO

       PGPOOL SET (PGPOOL_SET(1))

NOTES

        1.
               SHOW
           https://www.postgresql.org/docs/current/static/sql-show.html