Comments (3)
FWIW, I think raising an exception on unimplemented for a specific backend would be fine until it is implemented, but doesn't hold up the progression of the explorer package.
For example, Nx didn't hold back on implementing features based on XLA in order to keep libtorch on parity, which is fine.
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I had actually done some research on this a while back trying to leverage Parquet files from within Elixir. Here are some resources I found but never got a chance to dig deeply into beyond generating the Erlang bindings for the Thrift definition (I was more focused on getting the data processed than tool-building at the time):
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Thanks for that @arpieb! Those are great resources to come back to for the pure Elixir implementation.
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Related Issues (20)
- Expose the Polars SQL API? HOT 8
- Support `Series.map/2` with lists HOT 6
- pivot_wider generated names not consistent HOT 11
- v0.8.0 summarise/count bug? HOT 8
- Invalid Struct contents with `{:list, {:struct, %{...}}` HOT 7
- NIF Panic with duplicated key in rename HOT 2
- Creating Lists / Records in `mutate` HOT 5
- Allow nils when creating a struct series
- Nested lists of lists can panic HOT 14
- `Nx.stack(..., axis: 1)` on a large dataframe can OOM HOT 10
- Add Series.drop_nil HOT 8
- Support single `on` option in `Dataframe.join` HOT 1
- [Feature request] Add support for Decimal type HOT 12
- Should we always raise when a column is missing? HOT 3
- Split string column into multiple columns (feature request / use case) HOT 4
- Seeing `:nif_not_loaded` error for `Series.split/2` when mutating a dataframe HOT 1
- [Feature request] Add support for read_database in Polars backend. HOT 1
- Using `sort_by` with a grouped data frame doesn't respect `nils:` option HOT 1
- `{:datetime, :second}` dtype support HOT 2
- Add :streaming option to DataFrame.to_csv/3 HOT 1
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from explorer.