Class DistributeComparisonOverSwitch

java.lang.Object

io.trino.sql.ir.optimizer.rule.DistributeComparisonOverSwitch

All Implemented Interfaces:

IrOptimizerRule

public class DistributeComparisonOverSwitch
extends Object
implements IrOptimizerRule

Transforms:

Comparison(op, v, Switch(x, When(c1, r1), When(c2, r2), ..)))

into:

Switch(x, When(c1, Comparison(op, v, r1)), When(c2, Comparison(op, v, r2)), ..)))

Constructor Summary

Constructors

Constructor	Description
DistributeComparisonOverSwitch()

Method Summary

Modifier and Type	Method	Description
Optional<Expression>	apply(Expression expression, Session session, Map<Symbol,Expression> bindings)

Methods inherited from class java.lang.Object

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

Constructor Details

DistributeComparisonOverSwitch

public DistributeComparisonOverSwitch()

Method Details

apply

public Optional<Expression> apply(Expression expression,
 Session session,
 Map<Symbol,Expression> bindings)

Specified by:

apply in interface IrOptimizerRule