inst/tinytest/test_relop_select_columns.R

In WinVector/rqdatatable: 'rquery' for 'data.table'

test_relop_select_columns <- function() {

 dL <- data.frame(x = 1, y = 2, z = 3)
 rquery_pipeline <- local_td(dL) %.>%
   select_columns(., "y")
 ex_data_table(rquery_pipeline)

 invisible(NULL)
}

test_relop_select_columns()