org.apache.hadoop.hive.ql.optimizer.calcite.stats

Class HiveRelMdExpressionLineage

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.calcite.stats.HiveRelMdExpressionLineage

All Implemented Interfaces:

org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.ExpressionLineage>

public final class HiveRelMdExpressionLineage
extends Object
implements org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.ExpressionLineage>

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.rel.metadata.RelMetadataProvider	SOURCE

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.metadata.MetadataDef<org.apache.calcite.rel.metadata.BuiltInMetadata.ExpressionLineage>	getDef()
Set<org.apache.calcite.rex.RexNode>	getExpressionLineage(HiveUnion rel, org.apache.calcite.rel.metadata.RelMetadataQuery mq, org.apache.calcite.rex.RexNode outputExpression)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SOURCE

public static final org.apache.calcite.rel.metadata.RelMetadataProvider SOURCE

Method Detail

getDef

public org.apache.calcite.rel.metadata.MetadataDef<org.apache.calcite.rel.metadata.BuiltInMetadata.ExpressionLineage> getDef()

Specified by:

getDef in interface org.apache.calcite.rel.metadata.MetadataHandler<org.apache.calcite.rel.metadata.BuiltInMetadata.ExpressionLineage>

getExpressionLineage

public Set<org.apache.calcite.rex.RexNode> getExpressionLineage(HiveUnion rel,
                                                                org.apache.calcite.rel.metadata.RelMetadataQuery mq,
                                                                org.apache.calcite.rex.RexNode outputExpression)