convert: Convert 'ddo' / 'ddf' Objects

In tesseradata/datadr: Divide and Recombine for Large, Complex Data

Description

Convert 'ddo' / 'ddf' objects between different storage backends

Usage

convert(from, to, overwrite = FALSE)

Arguments

from	a 'ddo' or 'ddf' object
to	a 'kvConnection' object (created with localDiskConn or hdfsConn) or NULL if an in-memory 'ddo' / 'ddf' is desired
overwrite	should the data in the location pointed to in to be overwritten?

Examples

d <- divide(iris, by = "Species")
# convert in-memory ddf to one stored on disk
dl <- convert(d, localDiskConn(tempfile(), autoYes = TRUE))
dl

tesseradata/datadr documentation built on May 31, 2019, 8:57 a.m.