Nothing
test_if_else <- function() {
d <- mk_td("d",
c("a_1", "a_2", "a_3" ))
dQ <- d %.>%
extend_se(., "a_4" %:=% "ifelse(! a_1, a_2, a_3)")
txt <- format(dQ)
expect_true(length(grep("!", txt, fixed = TRUE))>0)
if (requireNamespace("RSQLite", quietly = TRUE) &&
requireNamespace("DBI", quietly = TRUE)) {
my_db <- DBI::dbConnect(RSQLite::SQLite(),
":memory:")
d <- data.frame(id = 1:3, x = c(0, 1, NA))
# ifelse(d$x == 1, 'one', 'not one')
d_remote <- rq_copy_to(my_db, "d_remote", d)
optree <- d_remote %.>%
extend(.,
res = ifelse(x == 1, 'one', 'not one')) %.>%
orderby(., "id")
res <- execute(my_db, optree)
expect <- build_frame(
"id", "x", "res" |
1L , 0 , "not one" |
2L , 1 , "one" |
3L , NA , NA )
expect_equal(expect, res)
DBI::dbDisconnect(my_db)
}
invisible(NULL)
}
test_if_else()
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