With regard to use of tempTable
createOrReplaceTempView is backed by an in-memory hash table that maps
table name (a string) to a logical query plan. Fragments of that logical
query plan may or may not be cached. However, calling register alone will
not result in any materialization of results.
I have a parquet file which I reading atleast 4-5 times within my application.
I was wondering what is most efficient thing to do.
Option 1. While writing parquet file, immediately read it back to dataset and
call cache. I am assuming by doing an immediate read I might use some existing