org.apache.calcite.rel.metadata

Class RelMdExplainVisibility

java.lang.Object

org.apache.calcite.rel.metadata.RelMdExplainVisibility

public class RelMdExplainVisibility
extends Object

RelMdExplainVisibility supplies a default implementation of RelMetadataQuery.isVisibleInExplain(org.apache.calcite.rel.RelNode, org.apache.calcite.sql.SqlExplainLevel) for the standard logical algebra.

Field Summary

Fields

Modifier and Type	Field and Description
static RelMetadataProvider	SOURCE

Method Summary

Methods

Modifier and Type	Method and Description
Boolean	isVisibleInExplain(RelNode rel, SqlExplainLevel explainLevel)

Methods inherited from class java.lang.Object

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

Field Detail

SOURCE

public static final RelMetadataProvider SOURCE

Method Detail

isVisibleInExplain

public Boolean isVisibleInExplain(RelNode rel,
                         SqlExplainLevel explainLevel)