parquet::column::writer::encoder

Trait ColumnValues

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

Expand description

A collection of ParquetValueType encoded by a ColumnValueEncoder

Required Methods§

fn len(&self) -> usize

The number of values in this collection

Implementations on Foreign Types§

impl ColumnValues for dyn Array

fn len(&self) -> usize

impl<T: ParquetValueType> ColumnValues for [T]

fn len(&self) -> usize

Implementors§