Module lance_encoding::encoder

Structs

• BatchEncoder
  A batch encoder that encodes RecordBatch objects by delegating to field encoders for each top-level field in the batch.
• ColumnIndexSequence
  Keeps track of the current column index and makes a mapping from field id to column index
• CoreArrayEncodingStrategy
  The core array encoding strategy is a set of basic encodings that are generally applicable in most scenarios.
• CoreFieldEncodingStrategy
  The core field encoding strategy is a set of basic encodings that are generally applicable in most scenarios.
• EncodedArray
  An encoded array
• EncodedArrayBuffer
• EncodedBatch
  An encoded batch of data and a page table describing it
• EncodedBuffer
  An encoded buffer
• EncodedColumn
• EncodedPage
  An encoded page of data

Traits

• ArrayEncoder
  Encodes data from Arrow format into some kind of on-disk format
• ArrayEncodingStrategy
  A trait to pick which encoding strategy to use for a single page of data
• BufferEncoder
  Encodes data into a single buffer
• FieldEncoder
  Top level encoding trait to code any Arrow array type into one or more pages.
• FieldEncodingStrategy
  A trait to pick which kind of field encoding to use for a field

Functions

• encode_batch
  Helper method to encode a batch of data into memory
• values_column_encoding

Type Aliases

• EncodeTask
  A task to create a page of data