intersect.dtplyr_step: Set operations

In dtplyr: Data Table Back-End for 'dplyr'

Set operations

Description

These are methods for the dplyr generics intersect(), union(), union_all(), and setdiff(). They are translated to data.table::fintersect(), data.table::funion(), and data.table::fsetdiff().

Usage

## S3 method for class 'dtplyr_step'
intersect(x, y, ...)

## S3 method for class 'dtplyr_step'
union(x, y, ...)

## S3 method for class 'dtplyr_step'
union_all(x, y, ...)

## S3 method for class 'dtplyr_step'
setdiff(x, y, ...)

Arguments

x, y	A pair of lazy_dt()s.
...	Ignored

Examples

dt1 <- lazy_dt(data.frame(x = 1:4))
dt2 <- lazy_dt(data.frame(x = c(2, 4, 6)))

intersect(dt1, dt2)
union(dt1, dt2)
setdiff(dt1, dt2)

dtplyr documentation built on March 31, 2023, 9:13 p.m.