org.apache.calcite.rel.metadata

Interface BuiltInMetadata.ColumnOrigin.Handler

All Superinterfaces:

MetadataHandler<BuiltInMetadata.ColumnOrigin>

Enclosing interface:

BuiltInMetadata.ColumnOrigin

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

Handler API.

Method Summary

Modifier and Type	Method and Description
Set<RelColumnOrigin>	getColumnOrigins(RelNode r, RelMetadataQuery mq, int outputColumn)

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

getDef

Method Detail

getColumnOrigins

Set<RelColumnOrigin> getColumnOrigins(RelNode r,
                                      RelMetadataQuery mq,
                                      int outputColumn)