Uses of Package
org.apache.drill.common.expression

Package
Description
Logical expression tree representation.
Logical function definitions.
 
Visitors for validating or optimizing logical expressions.
Logical operators in a query graph.
 
TODO - write docs for this package
Drill expression materialization and evaluation facilities.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Defines a revised implementation of the Drill RecordBatch protocol.
Provides run-time semantic analysis of the projection list for the scan operator.
Provides the "version 3" scan framework (which can also be thought of as EVF version 2).
Provides run-time semantic analysis of the projection list for the scan operator.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Drill storage plugin.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Kafka storage plugin.
 
Defines a mock data source which generates dummy test data for use in testing.
MongoDB storage plugin.