Uses of Package
org.apache.drill.exec.expr.fn
Package
Description
Drill expression materialization and evaluation facilities.
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ClassDescriptionAttributes of a function used in code generation and optimization.
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ClassDescriptionDefinition of a Drill function defined using the
@FunctionTemplate
annotation of the class which implements the function.Attributes of a function used in code generation and optimization.To avoid the cost of initializing all functions up front, this class contains all information required to initializing a function when it is used.Represents a declared variable (parameter) in a Drill function. -
ClassDescriptionAttributes of a function used in code generation and optimization.
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