org.apache.calcite.rex

Class RexFieldCollation

java.lang.Object

org.apache.calcite.util.Pair<RexNode,com.google.common.collect.ImmutableSet<SqlKind>>

org.apache.calcite.rex.RexFieldCollation

All Implemented Interfaces:

Serializable, Comparable<Pair<RexNode,com.google.common.collect.ImmutableSet<SqlKind>>>, Map.Entry<RexNode,com.google.common.collect.ImmutableSet<SqlKind>>

public class RexFieldCollation
extends Pair<RexNode,com.google.common.collect.ImmutableSet<SqlKind>>

Expression combined with sort flags (DESCENDING, NULLS LAST).

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.calcite.util.Pair

left, right

Constructor Summary

Constructors

Constructor and Description
RexFieldCollation(RexNode left, Set<SqlKind> right)

Method Summary

Modifier and Type	Method and Description
RelFieldCollation.Direction	getDirection()
RelFieldCollation.NullDirection	getNullDirection()
String	toString()

Methods inherited from class org.apache.calcite.util.Pair

adjacents, compareTo, equals, firstAnd, getKey, getValue, hashCode, left, left, of, of, right, right, setValue, toMap, zip, zip, zip, zip

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map.Entry

comparingByKey, comparingByKey, comparingByValue, comparingByValue

Constructor Detail

RexFieldCollation

public RexFieldCollation(RexNode left,
                         Set<SqlKind> right)

Method Detail

toString

public String toString()

Overrides:

toString in class Pair<RexNode,com.google.common.collect.ImmutableSet<SqlKind>>

getDirection

public RelFieldCollation.Direction getDirection()

getNullDirection

public RelFieldCollation.NullDirection getNullDirection()