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backend-hive

Backend: Hive


Description

See vignette("translate-function") and vignette("translate-verb") for details of overall translation technology. Key differences for this backend are a scattering of custom translations provided by users.

Use simulate_hive() with lazy_frame() to see simulated SQL without converting to live access database.

Examples

library(dplyr, warn.conflicts = FALSE)

lf <- lazy_frame(a = TRUE, b = 1, d = 2, c = "z", con = simulate_hive())
lf %>% transmute(x = cot(b))
lf %>% transmute(x = bitwShiftL(c, 1L))
lf %>% transmute(x = str_replace_all(z, "a", "b"))

lf %>% summarise(x = median(d, na.rm = TRUE))
lf %>% summarise(x = var(c, na.rm = TRUE))

dbplyr

A 'dplyr' Back End for Databases

v2.1.1
MIT + file LICENSE
Authors
Hadley Wickham [aut, cre], Maximilian Girlich [aut], Edgar Ruiz [aut], RStudio [cph, fnd]
Initial release

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