io.prestosql.operator.scalar

Class ArrayFlattenFunction

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.operator.scalar.ArrayFlattenFunction

All Implemented Interfaces:

SqlFunction

public class ArrayFlattenFunction
extends SqlScalarFunction

Field Summary

Fields

Modifier and Type	Field and Description
static ArrayFlattenFunction	ARRAY_FLATTEN_FUNCTION

Method Summary

Modifier and Type	Method and Description
static Block	flatten(Type type, Type arrayType, Block array)
String	getDescription()
boolean	isDeterministic()
boolean	isHidden()
ScalarFunctionImplementation	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

builder, getSignature

Methods inherited from class java.lang.Object

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

Field Detail

ARRAY_FLATTEN_FUNCTION

public static final ArrayFlattenFunction ARRAY_FLATTEN_FUNCTION

Method Detail

isHidden

public boolean isHidden()

isDeterministic

public boolean isDeterministic()

getDescription

public String getDescription()

specialize

public ScalarFunctionImplementation specialize(BoundVariables boundVariables,
                                               int arity,
                                               TypeManager typeManager,
                                               FunctionRegistry functionRegistry)

Specified by:

specialize in class SqlScalarFunction

flatten

public static Block flatten(Type type,
                            Type arrayType,
                            Block array)