duckdb (version 0.6.0)

rel_project: Lazily project a DuckDB relation object

Description

Lazily project a DuckDB relation object

Usage

rel_project(rel, exprs)

Value

the now projected duckdb_relation object

Arguments

rel

the DuckDB relation object

exprs

a list of DuckDB expressions to project

Examples

con <- DBI::dbConnect(duckdb())
rel <- rel_from_df(con, mtcars)
rel2 <- rel_project(rel, list(expr_reference("cyl"), expr_reference("disp")))