Cassandra

Driver Options

• RStudio Professional Drivers - RStudio Workbench (formerly RStudio Server Pro), RStudio Desktop Pro, RStudio Connect, or Shiny Server Pro users can download and use RStudio Professional Drivers at no additional charge. These drivers include an ODBC connector for Apache Impala. RStudio delivers standards-based, supported, professional ODBC drivers. Use RStudio Professional Drivers when you run R or Shiny with your production systems. See the RStudio Professional Drivers for more information.

Package Options

The odbc package, in combination with a driver, provides DBI support and an ODBC connection.

Connection Settings

There are settings needed to make a connection:

• Driver - See the Drivers section for setup information
• Host - A network path to the database server
• Port - Should be set to 9042
• Keyspace - Data replication namespace (not required)
• AuthMec - Use 0 for no authentication, and 1 for user name/password
• UID - The user’s network ID or server local account
• PWD - The account’s password

con <- DBI::dbConnect(odbc::odbc(),
                      Driver   = "[your driver's name]",
                      Host     = "[your server's path or name]",
                      Port     = 9042,
                      Keyspace = "[your keypace's name]",
                      AuthMech = 1,
                      UID      = rstudioapi::askForPassword("Database user"),
                      PWD      = rstudioapi::askForPassword("Database password")
                      )