org.apache.hadoop.hive.ql.optimizer.optiq
Class HiveDefaultRelMetadataProvider

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.optiq.HiveDefaultRelMetadataProvider

public class HiveDefaultRelMetadataProvider
extends Object

Distinct row count and Selectivity is overridden for Hive.

Distinct Row Count is overridden for:
1) Join 2) TableScan.
Selectivity is overridden for:
1) Join 2) TableScan & Filter.

Field Summary

static org.eigenbase.rel.metadata.RelMetadataProvider

INSTANCE

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final org.eigenbase.rel.metadata.RelMetadataProvider INSTANCE