Package io.trino.sql.planner.iterative.rule

Class SimplifyFilterPredicate

java.lang.Object

io.trino.sql.planner.iterative.rule.SimplifyFilterPredicate

All Implemented Interfaces:

Rule<FilterNode>

public class SimplifyFilterPredicate
extends Object
implements Rule<FilterNode>

Simplify conditional expressions in filter predicate.

Replaces conditional expression with an expression evaluating to TRUE if and only if the original expression evaluates to TRUE. The rewritten expression might not be equivalent to the original expression.

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.sql.planner.iterative.Rule

Rule.Context, Rule.Result

Constructor Summary

Constructors

Constructor	Description
SimplifyFilterPredicate(Metadata metadata)

Method Summary

Modifier and Type	Method	Description
Rule.Result	apply(FilterNode node, Captures captures, Rule.Context context)
Pattern<FilterNode>	getPattern()	Returns a pattern to which plan nodes this rule applies.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.trino.sql.planner.iterative.Rule

isEnabled

Constructor Details

SimplifyFilterPredicate

public SimplifyFilterPredicate(Metadata metadata)

Method Details

getPattern

public Pattern<FilterNode> getPattern()

Description copied from interface: Rule

Returns a pattern to which plan nodes this rule applies.

Specified by:

getPattern in interface Rule<FilterNode>

apply

public Rule.Result apply(FilterNode node,
 Captures captures,
 Rule.Context context)

Specified by:

apply in interface Rule<FilterNode>