Package io.trino.sql.ir.optimizer.rule

Class SimplifyComplementaryLogicalTerms

java.lang.Object

io.trino.sql.ir.optimizer.rule.SimplifyComplementaryLogicalTerms

All Implemented Interfaces:

IrOptimizerRule

public class SimplifyComplementaryLogicalTerms
extends Object
implements IrOptimizerRule

Simplifies logical expression containing terms and negations of those terms. E.g.,

• And(x, $not(x), ...) -> And(x, $is_null(x), ...)
• Or(x, $not(x), ...) -> Or(x, $not($is_null(x)), ...)

Constructor Summary

Constructors

Constructor	Description
SimplifyComplementaryLogicalTerms(PlannerContext context)

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

SimplifyComplementaryLogicalTerms

public SimplifyComplementaryLogicalTerms(PlannerContext context)

Method Details

apply

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

Specified by:

apply in interface IrOptimizerRule