Infix operator for composing a lambda expression
Infix operator that allows a lambda expression to be composed in R and be
translated to Spark SQL equivalent using ' dbplyr::translate_sql functionalities
params %->% ...
params |
Parameter(s) of the lambda expression, can be either a single
parameter or a comma separated listed of parameters in the form of
|
... |
Body of the lambda expression, *must be within parentheses* |
Notice when composing a lambda expression in R, the body of the lambda expression *must always be surrounded with parentheses*, otherwise a parsing error will occur.
## Not run: a %->% (mean(a) + 1) # translates to <SQL> `a` -> (AVG(`a`) OVER () + 1.0) .(a, b) %->% (a < 1 && b > 1) # translates to <SQL> `a`,`b` -> (`a` < 1.0 AND `b` > 1.0) ## End(Not run)
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.