io.prestosql.operator.scalar

Class RowDistinctFromOperator

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.metadata.SqlOperator

io.prestosql.operator.scalar.RowDistinctFromOperator

All Implemented Interfaces:

SqlFunction

public class RowDistinctFromOperator
extends SqlOperator

Field Summary

Fields

Modifier and Type	Field and Description
static RowDistinctFromOperator	ROW_DISTINCT_FROM

Method Summary

Modifier and Type	Method and Description
static boolean	isDistinctFrom(Type rowType, List<MethodHandle> argumentMethods, Block leftRow, boolean leftNull, Block rightRow, boolean rightNull)
static boolean	isDistinctFrom(Type rowType, List<MethodHandle> argumentMethods, Block leftRow, int leftPosition, Block rightRow, int rightPosition)
ScalarFunctionImplementation	specialize(BoundVariables boundVariables, int arity, TypeManager typeManager, FunctionRegistry functionRegistry)

Methods inherited from class io.prestosql.metadata.SqlOperator

getDescription, isDeterministic, isHidden

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

ROW_DISTINCT_FROM

public static final RowDistinctFromOperator ROW_DISTINCT_FROM

Method Detail

specialize

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

Specified by:

specialize in class SqlScalarFunction

isDistinctFrom

public static boolean isDistinctFrom(Type rowType,
                                     List<MethodHandle> argumentMethods,
                                     Block leftRow,
                                     boolean leftNull,
                                     Block rightRow,
                                     boolean rightNull)

isDistinctFrom

public static boolean isDistinctFrom(Type rowType,
                                     List<MethodHandle> argumentMethods,
                                     Block leftRow,
                                     int leftPosition,
                                     Block rightRow,
                                     int rightPosition)