Package io.prestosql.operator.scalar

Class ArrayReduceFunction

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.operator.scalar.ArrayReduceFunction

All Implemented Interfaces:

SqlFunction

public final class ArrayReduceFunction
extends SqlScalarFunction

Field Summary

Fields

Modifier and Type	Field	Description
static ArrayReduceFunction	ARRAY_REDUCE_FUNCTION

Method Summary

Modifier and Type	Method	Description
static Object	reduce(Type inputType, Block block, Object initialIntermediateValue, BinaryFunctionInterface inputFunction, UnaryFunctionInterface outputFunction)
protected ScalarFunctionImplementation	specialize(FunctionBinding functionBinding)

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

getFunctionMetadata, specialize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.prestosql.metadata.SqlFunction

getFunctionDependencies, getFunctionDependencies

Field Detail

ARRAY_REDUCE_FUNCTION

public static final ArrayReduceFunction ARRAY_REDUCE_FUNCTION

Method Detail

specialize

protected ScalarFunctionImplementation specialize(FunctionBinding functionBinding)

Overrides:

specialize in class SqlScalarFunction

reduce

public static Object reduce(Type inputType,
                            Block block,
                            Object initialIntermediateValue,
                            BinaryFunctionInterface inputFunction,
                            UnaryFunctionInterface outputFunction)