read_dv_backup: Read dv backup

In dataversionr: Time Versioned Storage of Data Frames

Read dv backup

Description

Read a version of a versioned dataset into a data frame using just the stored backups

Usage

read_dv_backup(destination, as_of)

Arguments

destination	a local directory path or an arrow SubTreeFileSystem
as_of	the valid date at which you'd like to read the dv

Value

a data frame

Examples

temp_dir <- tempfile()
dir.create(temp_dir, recursive = TRUE)
df <- data.frame(a = 1:5, b = letters[1:5])
create_dv(df, temp_dir, backup_count = 5L)

read_dv_backup(temp_dir, as_of = lubridate::now())

unlink(temp_dir)

dataversionr documentation built on Aug. 18, 2022, 9:06 a.m.