October 2018
Beginner to intermediate
348 pages
10h
English
Once the configuration is all set, we import the table to local. We then register it as a table locally, so that any kind of queries can be run. The commands are as follows:
# Import to locallycass_df <- sparklyr:::spark_data_read_generic( sc, "org.apache.spark.sql.cassandra", "format", list(keyspace = "system_auth", table = "roles") ) %>% invoke("load")# Register as a tablecass_tbl <- sparklyr:::spark_partition_register_df( sc, cass_df, name = "roles", repartition = 0, memory = TRUE)View(cass_tbl)
The following is a screenshot of RStudio on macOS. The bottom-left screen shows the CLI's way of displaying the roles table data. If you need a cleaner display, you can click the table icon on the right end of roles, at ...