You must register HDFS data source server that you want
to access in the federated database.
Procedure
- 1. Locate the server name of your HDFS data source server.
- To create the server, issue the CREATE SERVER statement
from the command line.
For example:
CREATE SERVER server_definition_name
TYPE hdfsparquet
VERSION version_number
WRAPPER wrapper_name
OPTIONS (HOST 'host_name', PORT 'port_number', DBNAME 'database_name');
- VERSION
- The version of the HDFS database server that you want to access.
.
- WRAPPER
- The wrapper name that you specified in the CREATE WRAPPER statement.
- HOST
- The server name where the HDFS database server resides. User can
specify the IP address as the hostname.
- PORT
- The name node server listen port.
- DBNAME
- The value of this option is not used, but it is also a mandatory
option during create server.