Execute a ops-dag using `codewrap()` data as values.

ex(ops, ..., env = parent.frame())

Arguments

ops

rquery pipeline with tables formed by `wrap()`.

...

not used, force later argument to be referred by name

env

environment to work in.

Value

data.frame result

Examples


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