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Posted to github@arrow.apache.org by "ggreco (via GitHub)" <gi...@apache.org> on 2024/11/18 10:03:36 UTC
Re: [I] Add Option To Coerce List Type on Parquet Write [arrow-rs]
ggreco commented on issue #6733:
URL: https://github.com/apache/arrow-rs/issues/6733#issuecomment-2482499632
BTW I tried to generate an arrow document in C++ and:
- use the C interface to write the parquet file with zero-copy with rust
- simply publish the parquet file with c++
In the first path the lists contain struct objects called `item`, while in the second path the lists contain struct objects called `element`, so the C++ parquet writing logic already does this conversion to better support the parquet standard.
I've found that at least a major parquet reader created following the parquet specs and not the arrow ones ( https://aloneguid.github.io/parquet-dotnet/starter-topic.html ) cannot properly read the **nested** parquet files created with `arrow-rs`, so I think the bug label should probably stay.
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