The following steps demonstrate how to create new Impala data connections.
On the main navigation bar, click Data.
The Data view appears, open on the Datasets tab.
In the side bar, click New Connection.
The Create New Data Connection modal window appears.
ImpalaConnection
.Under Hostname or IP address, specify the name of your database host, or its IP address; use localhost
when the data source is local.
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.Under Credentials, complete the following entries.
Under Username, enter the username for establishing the connection.
Under Password, enter the password for establishing the connection.
Click the Advanced tab.
Choose Socket type.
Note: Windows platforms support only normal sockets; therefore, socket options do not appear on the modal window.
Normal [default]
SSL
SSL with certificate
If you select this option, you can Allow Common Name - Host Name Mismatch, which means that the issued SSL certificate name does not have to match the host name of the server. By default, the names must match.
Choose Authentication mode.
Note: Windows platforms support only NoSasl authentication; therefore, authentication options do not appear on the modal window.
NoSasl
Plain
LDAP
Kerberos
Note: Kerberos authentication is only available on Linux platforms.
Specify Timeout interval. The default value is 60
seconds.
Check Impersonation if using this feature to control individual table-level access for a user or a user group.
Click Parameters tab.
Click the first row to add a Parameter name/value pair. Type in the parameters and their values.
If you want to remove a parameter, click (trash can) icon to remove existing parameters.
At the bottom of the modal, click Test.
If the connection is valid, the system returns a 'Connection Verified' message.
After this operation succeeds, the new connection name appears on the side navigation bar.