Created
September 29, 2023 05:28
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| library(arrow) | |
| NROWS <- 500 | |
| NCOLS <- 32000 | |
| mydf <- as.data.frame(matrix(rnorm(NROWS*NCOLS), nrow=NROWS)) | |
| tbl <- as_arrow_table(mydf) | |
| out_path <- tempfile() | |
| write_feather(tbl, out_path) | |
| open_dataset(out_path, format = "arrow") |> | |
| select(1) |> | |
| collect() |
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