Package org.apache.drill.exec.expr.fn

Interface Summary

Interface	Description
FunctionLookupContext
PluggableFunctionRegistry

Class Summary

Class	Description
AbstractFuncHolder
DrillComplexWriterAggFuncHolder
DrillComplexWriterFuncHolder
DrillFuncHolder
DrillSimpleFuncHolder	Definition of a Drill function defined using the @FunctionTemplate annotation of the class which implements the function.
ExceptionFunction
ExceptionFunction.ThrowException
FunctionAttributes	Attributes of a function used in code generation and optimization.
FunctionConverter	Converts FunctionCalls to Java Expressions.
FunctionGenerationHelper
FunctionImplementationRegistry	Registry for functions.
FunctionInitializer	To avoid the cost of initializing all functions up front, this class contains all information required to initializing a function when it is used.
FunctionUtils
HiveFuncHolder
HiveFunctionRegistry
ImportGrabber
MethodGrabbingVisitor
ValueReference	Represents a declared variable (parameter) in a Drill function.
WorkspaceReference