[Rust][DataFusion] Use aHash and std::collections hashmap for aggregates / distinct

apache / arrow

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

https://arrow.apache.org/

Apache License 2.0

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Closed asfimport closed 3 years ago

asfimport commented 3 years ago

Ahash is a faster hash algorithm than FNV.

Reporter: Daniël Heres / @Dandandan Assignee: Daniël Heres / @Dandandan

_{Note: This issue was originally created as ARROW-10572. Please see the migration documentation for further details.}

asfimport commented 3 years ago

Andrew Lamb / @alamb: I don't know why I can't assign this to @Dandandan but I would if I could :)

asfimport commented 3 years ago