Trait parquet::data_type::DataType[−][src]

pub trait DataType: 'static {
    type T: ParquetValueType;
    fn get_physical_type() -> Type;

    fn get_type_size() -> usize;

    fn get_column_reader(
        column_writer: ColumnReader
    ) -> Option<ColumnReaderImpl<Self>>
    where
        Self: Sized;

    fn get_column_writer(
        column_writer: ColumnWriter
    ) -> Option<ColumnWriterImpl<Self>>
    where
        Self: Sized;

    fn get_column_writer_ref(
        column_writer: &ColumnWriter
    ) -> Option<&ColumnWriterImpl<Self>>
    where
        Self: Sized;

    fn get_column_writer_mut(
        column_writer: &mut ColumnWriter
    ) -> Option<&mut ColumnWriterImpl<Self>>
    where
        Self: Sized;
}
Expand description

Contains the Parquet physical type information as well as the Rust primitive type presentation.

Associated Types

Required methods

Returns Parquet physical type.

Returns size in bytes for Rust representation of the physical type.

Implementors