parquet::column::writer::encoder

Trait ColumnValues

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pub trait ColumnValues {
    // Required method
    fn len(&self) -> usize;
}
Expand description

A collection of ParquetValueType encoded by a ColumnValueEncoder

Required Methods§

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fn len(&self) -> usize

The number of values in this collection

Implementations on Foreign Types§

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impl ColumnValues for dyn Array

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fn len(&self) -> usize

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impl<T: ParquetValueType> ColumnValues for [T]

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fn len(&self) -> usize

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