org.apache.calcite.schema

Interface ScalarFunction

All Superinterfaces:

Function

All Known Implementing Classes:

ScalarFunctionImpl

public interface ScalarFunction
extends Function

Function that returns a scalar result.

Method Summary

Modifier and Type	Method and Description
RelDataType	getReturnType(RelDataTypeFactory typeFactory) Returns the return type of this function, constructed using the given type factory.

Methods inherited from interface org.apache.calcite.schema.Function

getParameters

Method Detail

getReturnType

RelDataType getReturnType(RelDataTypeFactory typeFactory)

Returns the return type of this function, constructed using the given type factory.

Parameters:

typeFactory - Type factory