Package org.apache.calcite.rel.metadata

Interface BuiltInMetadata.Measure.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.Measure>

Enclosing interface:

BuiltInMetadata.Measure

public static interface BuiltInMetadata.Measure.Handler
extends MetadataHandler<BuiltInMetadata.Measure>

Handler API.

Method Summary

Modifier and Type	Method	Description
RexNode	expand(RelNode r, RelMetadataQuery mq, int column, BuiltInMetadata.Measure.Context context)
default MetadataDef<BuiltInMetadata.Measure>	getDef()
Boolean	isMeasure(RelNode r, RelMetadataQuery mq, int column)

Method Details

isMeasure

Boolean isMeasure(RelNode r,
 RelMetadataQuery mq,
 int column)

expand

RexNode expand(RelNode r,
 RelMetadataQuery mq,
 int column,
 BuiltInMetadata.Measure.Context context)

getDef

default MetadataDef<BuiltInMetadata.Measure> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.Measure>