Re: SparkR was removed from CRAN on 2018-05-01

unsubscribe Le ven. 25 mai 2018 à 23:11, Felix Cheung a écrit : > This is the fix > > https://github.com/apache/spark/commit/f27a035daf705766d3445e5c6a99867c11c552b0#diff-e1e1d3d40573127e9ee0480caf1283d6 > > I don’t have the email though. > >

[SQL] Two ScalarSubquery expressions?! Could we have ScalarSubqueryExec instead?

Hi, Just been bitten by finding out that there are two ScalarSubquery expressions, one is a SubqueryExpression [1] and another is a ExecSubqueryExpression [2]. Could we have the ExecSubqueryExpression subclass called ScalarSubqueryExec to follow the naming convention in logical and physical

[SQL] Understanding RewriteCorrelatedScalarSubquery optimization (and TreeNode.transform)

Hi, I'm trying to understand RewriteCorrelatedScalarSubquery optimization and how extractCorrelatedScalarSubqueries [1] works. I don't understand how "The expression is rewritten and returned." is done. How is the expression rewritten? Since it's private it's not even possible to write tests and