ARROW-10396: [Rust] [Parquet] Publically export SliceableCursor and FileSource #8534
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…eSource, Add Seek and Debug
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alamb
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alamb
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Oct 27, 2020
| inner: Rc<Vec<u8>>, | ||
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| impl fmt::Debug for SliceableCursor { |
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I used this formulation rather than [#derive(Debug)] to avoid getting the buffer contents dumped which can be lots of data to sort through.
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jorgecarleitao
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Rationale
7155cd5 / #8300 Reworked how the parquet reader traits were implemented to be interms of a
ChunkReadertrait (for the better, in my opinion).That commit includes two helper classes,
SliceableCursorandFileSource, which implementChunkReaderfor aCursorlike thing andFiles, respectively.My project instantiates a
SerializedFileWriterfrom the parquet crate withstructs that wrapFileandCursorand thus I would like to re-use the logic inSliceableCursorandFileSourcewithout having to copy/paste them.Changes
SliceableCursorandFileSourceSeekfor SliceableCursorDebugfor bothSliceableCursorandFileSource