BuiltInMetadata.ExplainVisibility (Apache Calcite API)

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 MetadataDef<BuiltInMetadata.ExplainVisibility> DEF

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.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 Detail
  - DEF
```
static final MetadataDef<BuiltInMetadata.ExplainVisibility> DEF
```
- Method Detail
  - isVisibleInExplain
```
java.lang.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