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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
We are using polars-arrow and would prefer to move to `arrow-rs` as we are looking into using…
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**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**
It is common downstream to manipulate `Schama`s in someway, such as to reorder the fields o…
alamb updated
1 month ago
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### Description
Datafusion (https://arrow.apache.org/datafusion/) is a modular query engine developed as a subproject of Apache Arrow.
It is written in Rust (providing very high performance), h…
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> Nit: add the apache license header
Would you like to create an issue for this? I can add a workflow to help address this.
_Originally posted by @Xuanwo in https://github.com/data…
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### Is your feature request related to a problem or challenge?
In postgres, `to_timestamp` has signature `to_timestamp ( text, text ) → timestamp with time zone` and `to_timestamp ( double precision …
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### Is your feature request related to a problem or challenge?
Tracking ticket for next release, also a place to track desired inclusions
Last release was https://crates.io/crates/datafusion/41.…
alamb updated
2 months ago
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It would be great to have a comparison to datafusion as well!
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This is a collection of items to improve external (spilling) aggregation
### Background
> Abstract—Analytical database systems offer high-performance in-memory aggregation. If there are many uniqu…
alamb updated
3 weeks ago
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repro code (add it to `tests/basic/main.rs`):
```rust
fn integration_path(path: &str) -> String {
let dir = env!("CARGO_MANIFEST_DIR");
format!("{}/tests/integration/data/{}", dir, path)…
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Last week on a call with @alamb and some of the Pydantic team (@adriangb @dmontagu @davidhewitt) I introduced the idea of caching intermediate results in DataFusion timeseries queries to make repeat q…