Nothing
test_set_indicator <- function() {
if (requireNamespace("DBI", quietly = TRUE) && requireNamespace("RSQLite", quietly = TRUE)) {
my_db <- DBI::dbConnect(RSQLite::SQLite(),
":memory:")
d <- rq_copy_to(my_db, 'd',
data.frame(
id = 1:4,
a = c("1", "2", "1", "3"),
b = c("1", "1", "3", "2"),
q = 1,
stringsAsFactors = FALSE),
temporary = TRUE,
overwrite = TRUE)
# example
set <- c("1", "2")
expect_error({
# expect an exception here
op_tree <- d %.>%
set_indicator(., "one_two", "a", set) %.>%
set_indicator(., "z", "a", c()) %.>%
select_rows(., q %in% c(1)) %.>%
orderby(., "id")
})
op_tree <- d %.>%
set_indicator(., "one_two", "a", set) %.>%
set_indicator(., "z", "a", c()) %.>%
select_rows(., q == 1) %.>%
orderby(., "id")
res = execute(my_db, op_tree)
expect_equal(c(1,1,1,0), res$one_two)
# cleanup
DBI::dbDisconnect(my_db)
}
invisible(NULL)
}
test_set_indicator()
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