rle

Documentation

Overview

Package rle implements the hybrid RLE/Bit-Packed encoding employed in repetition and definition levels, dictionary indexed data pages, and boolean values in the PLAIN encoding.

https://github.com/apache/parquet-format/blob/master/Encodings.md#run-length-encoding--bit-packing-hybrid-rle--3

Index

• type DictionaryEncoding
  • func (e *DictionaryEncoding) DecodeInt32(dst []int32, src []byte) ([]int32, error)
  • func (e *DictionaryEncoding) EncodeInt32(dst []byte, src []int32) ([]byte, error)
  • func (e *DictionaryEncoding) Encoding() format.Encoding
  • func (e *DictionaryEncoding) String() string
• type Encoding
  • func (e *Encoding) DecodeBoolean(dst []byte, src []byte) ([]byte, error)
  • func (e *Encoding) DecodeInt32(dst []int32, src []byte) ([]int32, error)
  • func (e *Encoding) DecodeLevels(dst []uint8, src []byte) ([]uint8, error)
  • func (e *Encoding) EncodeBoolean(dst []byte, src []byte) ([]byte, error)
  • func (e *Encoding) EncodeInt32(dst []byte, src []int32) ([]byte, error)
  • func (e *Encoding) EncodeLevels(dst []byte, src []uint8) ([]byte, error)
  • func (e *Encoding) Encoding() format.Encoding
  • func (e *Encoding) String() string

Types

type DictionaryEncoding

type DictionaryEncoding struct {
	encoding.NotSupported
}

func (*DictionaryEncoding) DecodeInt32

func (e *DictionaryEncoding) DecodeInt32(dst []int32, src []byte) ([]int32, error)

func (*DictionaryEncoding) EncodeInt32

func (e *DictionaryEncoding) EncodeInt32(dst []byte, src []int32) ([]byte, error)

func (*DictionaryEncoding) Encoding

func (e *DictionaryEncoding) Encoding() format.Encoding

func (*DictionaryEncoding) String

func (e *DictionaryEncoding) String() string

type Encoding

type Encoding struct {
	encoding.NotSupported
	BitWidth int
}

func (*Encoding) DecodeBoolean

func (e *Encoding) DecodeBoolean(dst []byte, src []byte) ([]byte, error)

func (*Encoding) DecodeInt32

func (e *Encoding) DecodeInt32(dst []int32, src []byte) ([]int32, error)

func (*Encoding) DecodeLevels

func (e *Encoding) DecodeLevels(dst []uint8, src []byte) ([]uint8, error)

func (*Encoding) EncodeBoolean

func (e *Encoding) EncodeBoolean(dst []byte, src []byte) ([]byte, error)

func (*Encoding) EncodeInt32

func (e *Encoding) EncodeInt32(dst []byte, src []int32) ([]byte, error)

func (*Encoding) EncodeLevels

func (e *Encoding) EncodeLevels(dst []byte, src []uint8) ([]byte, error)

func (*Encoding) Encoding

func (e *Encoding) Encoding() format.Encoding

func (*Encoding) String

func (e *Encoding) String() string