Struct parquet::data_type::ByteArrayType

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pub struct ByteArrayType {}

Trait Implementations

impl DataType for ByteArrayType

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type T = ByteArray

fn get_physical_type() -> Type

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Returns Parquet physical type.

fn get_type_size() -> usize

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

impl Encoder<ByteArrayType> for PlainEncoder<ByteArrayType>

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fn put(&mut self, values: &[ByteArray]) -> Result<()>

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Encodes data from values.

fn encoding(&self) -> Encoding

Returns the encoding type of this encoder.

fn estimated_data_encoded_size(&self) -> usize

Returns an estimate of the encoded data, in bytes. Method call must be O(1).

fn flush_buffer(&mut self) -> Result<ByteBufferPtr>

Flushes the underlying byte buffer that's being processed by this encoder, and return the immutable copy of it. This will also reset the internal state.

impl Encoder<ByteArrayType> for DeltaLengthByteArrayEncoder<ByteArrayType>

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fn put(&mut self, values: &[ByteArray]) -> Result<()>

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Encodes data from values.

fn flush_buffer(&mut self) -> Result<ByteBufferPtr>

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Flushes the underlying byte buffer that's being processed by this encoder, and return the immutable copy of it. This will also reset the internal state.

fn encoding(&self) -> Encoding

Returns the encoding type of this encoder.

fn estimated_data_encoded_size(&self) -> usize

Returns an estimate of the encoded data, in bytes. Method call must be O(1).

impl Encoder<ByteArrayType> for DeltaByteArrayEncoder<ByteArrayType>

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fn put(&mut self, values: &[ByteArray]) -> Result<()>

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Encodes data from values.

fn flush_buffer(&mut self) -> Result<ByteBufferPtr>

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Flushes the underlying byte buffer that's being processed by this encoder, and return the immutable copy of it. This will also reset the internal state.

fn encoding(&self) -> Encoding

Returns the encoding type of this encoder.

fn estimated_data_encoded_size(&self) -> usize

Returns an estimate of the encoded data, in bytes. Method call must be O(1).

impl Decoder<ByteArrayType> for PlainDecoder<ByteArrayType>

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fn get(&mut self, buffer: &mut [ByteArray]) -> Result<usize>

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Consumes values from this decoder and write the results to buffer. This will try to fill up buffer.

fn set_data(&mut self, data: ByteBufferPtr, num_values: usize) -> Result<()>

Sets the data to decode to be data, which should contain num_values of values to decode.

fn values_left(&self) -> usize

Returns the number of values left in this decoder stream.

fn encoding(&self) -> Encoding

Returns the encoding for this decoder.

impl Decoder<ByteArrayType> for DeltaLengthByteArrayDecoder<ByteArrayType>

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fn set_data(&mut self, data: ByteBufferPtr, num_values: usize) -> Result<()>

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Sets the data to decode to be data, which should contain num_values of values to decode.

fn get(&mut self, buffer: &mut [ByteArray]) -> Result<usize>

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Consumes values from this decoder and write the results to buffer. This will try to fill up buffer.

fn values_left(&self) -> usize

Returns the number of values left in this decoder stream.

fn encoding(&self) -> Encoding

Returns the encoding for this decoder.

impl Decoder<ByteArrayType> for DeltaByteArrayDecoder<ByteArrayType>

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fn set_data(&mut self, data: ByteBufferPtr, num_values: usize) -> Result<()>

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Sets the data to decode to be data, which should contain num_values of values to decode.

fn get(&mut self, buffer: &mut [ByteArray]) -> Result<usize>

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Consumes values from this decoder and write the results to buffer. This will try to fill up buffer.

fn values_left(&self) -> usize

Returns the number of values left in this decoder stream.

fn encoding(&self) -> Encoding

Returns the encoding for this decoder.