Package org.apache.drill.exec.expr.annotations

Enum Summary

Enum	Description
FunctionTemplate.FunctionCostCategory
FunctionTemplate.FunctionScope	Function scope is used to indicate function output rows relation: simple / scalar (1 -> 1) or aggregate (n -> 1).
FunctionTemplate.NullHandling
FunctionTemplate.OutputWidthCalculatorType	Estimates the average size of the output produced by a function that produces variable length output
FunctionTemplate.ReturnType	Return type enum is used to indicate which return type calculation logic should be used for functions.

Annotation Types Summary

Annotation Type	Description
FunctionTemplate
Output	Describes the field will provide output from the given function.
Param	Marker annotation to determine which fields should be included as parameters for the function.
Workspace	Describes the field will provide output from the given function.