Very cool post on columnar vectors in Rust: http://www.frankmcsherry.org/columnarization/serialization/rust/2014/12/15/Columnarization-in-Rust.html … @posco you should totally port this to Scala. #nerdsnipe
@posco @JorgeO @colinmarc the weaker form of this is a macro which, given a projection spec, generates the subsetted case classes
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@posco@JorgeO@colinmarc along with the associated parquet read supportThanks. Twitter will use this to make your timeline better. UndoUndo
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@avibryant@jorgeo@colinmarc That requires macros creating types, which currently they cannot do (AFAIK) -
@posco@avibryant@JorgeO@colinmarc The limitation is about introducing top-level names. They can do it where the macro expansion happens. -
@d6@posco@avibryant@JorgeO@colinmarc You can do this without macros (other than shapeless's Generic).
End of conversation
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