ARROW-10390: [Rust][Parquet] Ensure it is possible to create custom parquet writers#8528
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alamb wants to merge 4 commits into
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ARROW-10390: [Rust][Parquet] Ensure it is possible to create custom parquet writers#8528alamb wants to merge 4 commits into
alamb wants to merge 4 commits into
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alamb
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nevi-me
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Oct 26, 2020
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LGTM, just 1 line change
| // ---------------------------------------------------------------------- | ||
| // Serialized impl for file & row group writers | ||
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| pub use crate::util::io::TryClone; |
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I'd prefer if the import is still close to line 41. Here it's hidden, especially as a pub use
jorgecarleitao
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LGTM. @alamb cargo fmt pls?
sunchao
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Oct 26, 2020
| @@ -0,0 +1,83 @@ | |||
| use std::fs::File; | |||
| use crate::util::io::{FileSink, Position, TryClone}; | ||
| use crate::util::io::{FileSink, Position}; | ||
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| // Exposed publically so client code can implement ParquetWriter |
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nit: perhaps make ParquetWriter a linked text.
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sunchao
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As of #8300, it no longer appears possible to implement a
ParquetWriterto provide a custom writer because it is not possible to implement the trait asTryCloneis not publicly exported.This PR publically exports that trait and adds an end to end test demonstrating it is possible to create a custom writer
Here is what happens if you try and use
TryCloneon master