parquet-dotnet
https://github.com/aloneguid/parquet-dotnet
C#
Fully managed Apache Parquet implementation
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- Issues
- NAOT Warning: TypeExtensions.GetNullable(Type)
- Per column encoding
- DELTA_BINARY_PACKED on DateTime
- Add implementation for bloom filters (predicate pushdown)
- Class de/serialization: please support annotating Int64 as [ParquetTimestamp(ParquetTimestampResolution.Nanoseconds)]
- Add option to have required reference types and use C# nullability annotations
- Fix DateTimeKind collisions in dictionary encoding and mark INT96 DateTimeKind as Unspecified
- url change for used by tool : fastbcp
- Add Parquet.FSharp link to README
- Ability to specify custom deserialization for a specific type
- Docs
- C# not yet supported