inst/test-data/README.md

In nanoarrow: Interface to the 'nanoarrow' 'C' Library

Extra test files for R

complex-map.arrows

Sourced from the Overture Maps Foundation "divisions_area" table using SedonaDB.

library(sedonadb)

sd_sql("SET datafusion.execution.batch_size = 1024")

sd_read_parquet("/Volumes/data/overture/data/theme=divisions/type=division_area/") |>
  sd_to_view("division_area", overwrite = TRUE)

sd_sql("SELECT ROW_NUMBER() OVER (ORDER BY names.primary) as idx, names FROM division_area WHERE names.common IS NOT NULL") |>
  sd_compute() |> sd_to_view("names_with_common", overwrite = TRUE)

sd_sql("SELECT * FROM names_with_common WHERE (idx % 100) = 0 ORDER BY idx") |>
  nanoarrow::write_nanoarrow("inst/test-data/complex-map.arrows")

nanoarrow documentation built on Aug. 5, 2026, 1:06 a.m.