Thanks Cheng. Tried it out and saw the InMemoryColumnarTableScan word in the physical plan.
From: Cheng Lian [mailto:lian.cs....@gmail.com] Sent: Friday, December 12, 2014 11:37 PM To: Judy Nash; user@spark.apache.org Subject: Re: Spark SQL API Doc & IsCached as SQL command There isn’t a SQL statement that directly maps SQLContext.isCached, but you can use EXPLAIN EXTENDED to check whether the underlying physical plan is a InMemoryColumnarTableScan. On 12/13/14 7:14 AM, Judy Nash wrote: Hello, Few questions on Spark SQL: 1) Does Spark SQL support equivalent SQL Query for Scala command: IsCached(<table name>) ? 2) Is there a documentation spec I can reference for question like this? Closest doc I can find is this one: https://spark.apache.org/docs/1.1.0/sql-programming-guide.html#deploying-in-existing-hive-warehouses Thanks, Judy
