org.apache.calcite.rel.metadata

Interface BuiltInMetadata.ExpressionLineage.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.ExpressionLineage>

Enclosing interface:

BuiltInMetadata.ExpressionLineage

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

Handler API.

Method Summary

Modifier and Type	Method and Description
Set<RexNode>	getExpressionLineage(RelNode r, RelMetadataQuery mq, RexNode expression)

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

getDef

Method Detail

getExpressionLineage

Set<RexNode> getExpressionLineage(RelNode r,
                                  RelMetadataQuery mq,
                                  RexNode expression)