[
{ type: upgrade
  maximum_version: 1.6
  message: <<EOM
If you are upgrading cstore_fdw from a version prior to 1.6, you need 
to execute the following steps:

  - Restart the PostgreSQL server;

  - Run ALTER EXTENSION cstore_fdw UPDATE;

Please, visit the following URL for more information:

https://github.com/citusdata/cstore_fdw/blob/master/README.md
EOM
}
]
