Package org.apache.calcite.rel.metadata

Interface BuiltInMetadata.ExplainVisibility

All Superinterfaces:

Metadata

Enclosing class:

BuiltInMetadata

public static interface BuiltInMetadata.ExplainVisibility
extends Metadata

Metadata about whether a relational expression should appear in a plan.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	BuiltInMetadata.ExplainVisibility.Handler	Handler API.

Field Summary

Fields

Modifier and Type	Field	Description
static final MetadataDef<BuiltInMetadata.ExplainVisibility>	DEF

Method Summary

Modifier and Type	Method	Description
Boolean	isVisibleInExplain(SqlExplainLevel explainLevel)	Determines whether a relational expression should be visible in EXPLAIN PLAN output at a particular level of detail.

Methods inherited from interface org.apache.calcite.rel.metadata.Metadata

rel

Field Details

DEF

static final MetadataDef<BuiltInMetadata.ExplainVisibility> DEF

Method Details

isVisibleInExplain

Boolean isVisibleInExplain(SqlExplainLevel explainLevel)

Determines whether a relational expression should be visible in EXPLAIN PLAN output at a particular level of detail.

Parameters:

explainLevel - level of detail

Returns:

true for visible, false for invisible