Provided by: pgpool2_4.1.4-6build1_amd64 
      
    
NAME
       SHOW_POOL_VERSION - displays a string containing the Pgpool-II release number.
SYNOPSIS
          SHOW POOL_VERSION
DESCRIPTION
       SHOW POOL_VERSION displays a string containing the Pgpool-II release number. Here is an example session:
               test=# show pool_version;
               pool_version
               --------------------------
               3.6.0 (subaruboshi)
               (1 row)
pgpool-II 4.1.4                                       2020                                  SHOW POOL_VERSION(1)