Uses of Package

Drill execution engine, including: physical operators, runtime code generation, planning, RPC layer, Value Vector data structures.
Runtime code-generation, compilation and bytecode-manipulation utilities.
Drill expression materialization and evaluation facilities.
Handles optional file metadata columns: implicit columns and partition columns.
Defines the projection, vector continuity and other operations for a set of one or more readers.
Provides the "version 3" scan framework (which can also be thought of as EVF version 2).
Kafka storage plugin.