BuiltInMetadata.RowCount.Handler (Apache Calcite API)

All Superinterfaces:

MetadataHandler<BuiltInMetadata.RowCount>

Enclosing interface:

BuiltInMetadata.RowCount
```
public static interface BuiltInMetadata.RowCount.Handler
extends MetadataHandler<BuiltInMetadata.RowCount>
```
Handler API.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  java.lang.Double getRowCount(RelNode r, RelMetadataQuery mq)
  - Methods inherited from interface org.apache.calcite.rel.metadata.MetadataHandler
    getDef

Method Detail

getRowCount

java.lang.Double getRowCount(RelNode r,
                             RelMetadataQuery mq)