Register a data frame as a virtual table — duckdb

duckdb_register() registers a data frame as a virtual table (view) in a DuckDB connection. No data is copied.

Usage

duckdb_register(conn, name, df, overwrite = FALSE, experimental = FALSE)

duckdb_unregister(conn, name)

Arguments

conn: A DuckDB connection, created by dbConnect().
name: The name for the virtual table that is registered or unregistered
df: A data.frame with the data for the virtual table
overwrite: Should an existing registration be overwritten?
experimental: Enable experimental optimizations

Value

These functions are called for their side effect.

Details

duckdb_unregister() unregisters a previously registered data frame.

Examples

con <- dbConnect(duckdb())

data <- data.frame(a = 1:3, b = letters[1:3])

duckdb_register(con, "data", data)
dbReadTable(con, "data")
#>   a b
#> 1 1 a
#> 2 2 b
#> 3 3 c

duckdb_unregister(con, "data")

dbDisconnect(con)