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[FEA] XXhash64 Supports nested data type required by approx_count_distinct #2574

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res-life opened this issue Nov 6, 2024 · 0 comments
Open

[FEA] XXhash64 Supports nested data type required by approx_count_distinct #2574

res-life opened this issue Nov 6, 2024 · 0 comments
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res-life commented Nov 6, 2024

Is your feature request related to a problem? Please describe.
Spark approx_count_distinct needs to get a xxhash64 hash for all types of data.
And one customer requires approx_count_distinct on nested type.

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@mattahrens @res-life @ustcfy