io.prestosql.operator.scalar

Class RowComparisonOperator

java.lang.Object

io.prestosql.metadata.SqlScalarFunction

io.prestosql.metadata.SqlOperator

io.prestosql.operator.scalar.RowComparisonOperator

All Implemented Interfaces:

SqlFunction

Direct Known Subclasses:

RowGreaterThanOperator, RowGreaterThanOrEqualOperator, RowLessThanOperator, RowLessThanOrEqualOperator

public abstract class RowComparisonOperator
extends SqlOperator

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RowComparisonOperator(OperatorType operatorType)

Method Summary

Modifier and Type	Method and Description
protected static int	compare(RowType rowType, List<MethodHandle> comparisonFunctions, Block leftRow, Block rightRow)
protected List<MethodHandle>	getMethodHandles(RowType type, FunctionRegistry functionRegistry, OperatorType operatorType)

Methods inherited from class io.prestosql.metadata.SqlOperator

getDescription, isDeterministic, isHidden

Methods inherited from class io.prestosql.metadata.SqlScalarFunction

builder, getSignature, specialize

Methods inherited from class java.lang.Object

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

Constructor Detail

RowComparisonOperator

protected RowComparisonOperator(OperatorType operatorType)

Method Detail

getMethodHandles

protected List<MethodHandle> getMethodHandles(RowType type,
                                              FunctionRegistry functionRegistry,
                                              OperatorType operatorType)

compare

protected static int compare(RowType rowType,
                             List<MethodHandle> comparisonFunctions,
                             Block leftRow,
                             Block rightRow)