Specifications

Vortex defines stable serialization formats for columnar data on disk and over the wire.

• File Format
  • File Specification
  • Postscript
  • Data Type
  • Footer
  • Reified File Example
  • Backward Compatibility
  • Forward Compatibility
• Editions
  • What an edition contains
  • Resolving an unknown-encoding error
  • Writing with an edition
  • How editions change
  • Edition registry
• IPC Format
• DType Format
  • FlatBuffer Definition
  • Protobuf Definition
• Scalar Format
  • Protobuf Definition
• Row Encoding Byte Sort Specification
  • Order Property
  • Notation
  • Field Options
  • Sentinel Summary
  • Fixed-Width Sentinels
  • Variable-Width Sentinels
  • Null
  • Boolean
  • Unsigned Integers
  • Signed Integers
  • Floating Point
  • Decimal
  • UTF-8 and Binary
  • Struct
  • Fixed-Size List
  • Nested Values
  • Unsupported Types
  • Size and Output Layout
  • Why Concatenation Works
  • Example Row