Module kernel

Delta Kernel module

The Kernel module contains all the logic for reading and processing the Delta Lake transaction log.

Re-exports

• pub use error::*;
• pub use models::*;

Modules

• arrow
  Conversions between Delta and Arrow data types
• error
  Error types for Delta Lake operations.
• models
  Actions are the fundamental unit of work in Delta Lake. Each action performs a single atomic operation on the state of a Delta table. Actions are stored in the _delta_log directory of a Delta table in JSON format. The log is a time series of actions that represent all the changes made to a table.
• scalars
  Auxiliary methods for dealing with kernel scalars

Structs

• DeletionVector
  Defines a deletion vector
• DeletionVectorView
  View into a deletion vector data.
• EagerSnapshot
  A snapshot of a Delta table that has been eagerly loaded into memory.
• FileStatsAccessor
  Helper for processing data from the materialized Delta log.
• LogDataHandler
  Provides semanitc access to the log data.
• LogicalFile
  A view into the log data representing a single logical file.
• Snapshot
  A snapshot of a Delta table

Traits

• DataCheck
  A trait for all kernel types that are used as part of data checking