cross_join: Cross join two vectra tables

In vectra: Columnar Query Engine for Larger-than-RAM Data

Cross join two vectra tables

Description

Returns every combination of rows from x and y (Cartesian product). Both tables are collected before joining.

Usage

cross_join(x, y, suffix = c(".x", ".y"), ...)

Arguments

x	A vectra_node object or data.frame.
y	A vectra_node object or data.frame.
suffix	Suffixes for disambiguating column names (default c(".x", ".y")).
...	Ignored.

Value

A data.frame with nrow(x) * nrow(y) rows.

Examples

f1 <- tempfile(fileext = ".vtr")
f2 <- tempfile(fileext = ".vtr")
write_vtr(data.frame(a = 1:2), f1)
write_vtr(data.frame(b = c("x", "y", "z"), stringsAsFactors = FALSE), f2)
cross_join(tbl(f1), tbl(f2))
unlink(c(f1, f2))

vectra documentation built on May 8, 2026, 9:06 a.m.