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dbplyr (version 2.4.0)

backend-hive: Backend: Hive

Description

See vignette("translation-function") and vignette("translation-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.

Usage

simulate_hive()

Arguments

Examples

Run this code
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(c, "a", "b"))

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

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