Module datafusion::common::arrow::ipc::writer

Arrow IPC File and Stream Writers

The FileWriter and StreamWriter have similar interfaces, however the FileWriter expects a reader that supports Seeking

Structs

• DictionaryTracker
  Keeps track of dictionaries that have been written, to avoid emitting the same dictionary multiple times. Can optionally error if an update to an existing dictionary is attempted, which isn’t allowed in the FileWriter.
• EncodedData
  Stores the encoded data, which is an crate::Message, and optional Arrow data
• FileWriter
  Writer for an IPC file
• IpcDataGenerator
  Handles low level details of encoding Array and Schema into the Arrow IPC Format.
• IpcWriteOptions
  IPC write options used to control the behaviour of the IpcDataGenerator
• StreamWriter
  Writer for an IPC stream

Functions

• write_message
  Write a message’s IPC data and buffers, returning metadata and buffer data lengths written