scala - SQL queries in RDD -


i must operate rdd scala/spark methods , sql queries.

is possible operate rdd directly via sql queries?

the proposed ways (schemardd or dataframe) require memory leakage.

after such transformation have in memory 2 identical huge objects.

yes, in way, may able so. you'll need create own version of dataframe.

dataframe abstraction on rdds. nevertheless, joins, filters, etc. features find spark-sql optimized dataframes made on rdds first.


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