dbplyr (version 2.3.0)

tbl_lazy: Create a local lazy tibble

Description

These functions are useful for testing SQL generation without having to have an active database connection. See simulate_dbi() for a list available database simulations.

Usage

tbl_lazy(df, con = NULL, src = NULL, name = "df")
lazy_frame(..., con = NULL, src = NULL, .name = "df")

Examples

library(dplyr)
df <- data.frame(x = 1, y = 2)

df_sqlite <- tbl_lazy(df, con = simulate_sqlite())
df_sqlite %>% summarise(x = sd(x, na.rm = TRUE)) %>% show_query()