Package org.apache.druid.sql.calcite.filtration

Class RemoveRedundantIsTrue

java.lang.Object

org.apache.druid.sql.calcite.filtration.RemoveRedundantIsTrue

All Implemented Interfaces:

com.google.common.base.Function<Filtration,Filtration>, Function<Filtration,Filtration>

public class RemoveRedundantIsTrue
extends Object
implements com.google.common.base.Function<Filtration,Filtration>

Similar to BottomUpTransform except only removes redundant IS TRUE filters that are not inside of a NOT filter. The planner leaves behind stuff like `(x == y) IS TRUE` which is a pointless delegate when not living inside of a not filter to enforce proper three-value logic

Constructor Summary

Constructors

Constructor	Description
RemoveRedundantIsTrue()

Method Summary

Modifier and Type	Method	Description
Filtration	apply(Filtration filtration)
static RemoveRedundantIsTrue	instance()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Function

equals

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Details

RemoveRedundantIsTrue

public RemoveRedundantIsTrue()

Method Details

instance

public static RemoveRedundantIsTrue instance()

apply

public Filtration apply(Filtration filtration)

Specified by:

apply in interface com.google.common.base.Function<Filtration,Filtration>

Specified by:

apply in interface Function<Filtration,Filtration>