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datafusion_functions_aggregate_common::aggregate::count_distinct

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BytesDistinctCountAccumulator for Utf8/LargeUtf8/Binary/LargeBinary values

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BytesDistinctCountAccumulator
Specialized implementation of COUNT DISTINCT for StringArray LargeStringArray, BinaryArray and LargeBinaryArray.
BytesViewDistinctCountAccumulator
Specialized implementation of COUNT DISTINCT for StringViewArray and BinaryViewArray.