pcp_invalidate_query_cache - invalidate query cache
Usage:
pcp_invalidate_query_cache [OPTION...]
Options:
  -U, --username=NAME    username for PCP authentication
  -h, --host=HOSTNAME    pgpool-II host
  -p, --port=PORT        PCP port number
  -w, --no-password      never prompt for password
  -W, --password         force password prompt (should happen automatically)
  -d, --debug            enable debug message (optional)
  -v, --verbose          output verbose messages
  -?, --help             print this help