Execute a ops-dag using `codewrap()` data as values.
ex(ops, ..., env = parent.frame())
rquery pipeline with tables formed by `wrap()`.
not used, force later argument to be referred by name
environment to work in.
data.frame result
if(requireNamespace('rqdatatable')) {
d <- data.frame(x = 1:3, y = 4:6)
d %.>%
wrap(.) %.>%
extend(., z := x + y) %.>%
ex(.)
}
#> x y z
#> 1 1 4 5
#> 2 2 5 7
#> 3 3 6 9