org.apache.flink.table.planner.plan.nodes.exec.spec

Class OverSpec

java.lang.Object

org.apache.flink.table.planner.plan.nodes.exec.spec.OverSpec

public class OverSpec
extends Object

OverSpec describes a set of over aggregates.

This class corresponds to Window rel node, different from Window rel, OverSpec requires all groups should have same partition.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OverSpec.GroupSpec OverSpec.GroupSpec describes group of over aggregate calls that have the same window specification.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_NAME_CONSTANTS
static String	FIELD_NAME_GROUPS
static String	FIELD_NAME_ORIGINAL_INPUT_FIELDS
static String	FIELD_NAME_PARTITION

Constructor Summary

Constructors

Constructor and Description
OverSpec(PartitionSpec partition, List<OverSpec.GroupSpec> groups, List<org.apache.calcite.rex.RexLiteral> constants, int originalInputFields)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
List<org.apache.calcite.rex.RexLiteral>	getConstants()
List<OverSpec.GroupSpec>	getGroups()
int	getOriginalInputFields()
PartitionSpec	getPartition()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_NAME_PARTITION

public static final String FIELD_NAME_PARTITION

See Also:

Constant Field Values

FIELD_NAME_GROUPS

public static final String FIELD_NAME_GROUPS

See Also:

Constant Field Values

FIELD_NAME_CONSTANTS

public static final String FIELD_NAME_CONSTANTS

See Also:

Constant Field Values

FIELD_NAME_ORIGINAL_INPUT_FIELDS

public static final String FIELD_NAME_ORIGINAL_INPUT_FIELDS

See Also:

Constant Field Values

Constructor Detail

OverSpec

public OverSpec(PartitionSpec partition,
                List<OverSpec.GroupSpec> groups,
                List<org.apache.calcite.rex.RexLiteral> constants,
                int originalInputFields)

Method Detail

getPartition

public PartitionSpec getPartition()

getGroups

public List<OverSpec.GroupSpec> getGroups()

getConstants

public List<org.apache.calcite.rex.RexLiteral> getConstants()

getOriginalInputFields

public int getOriginalInputFields()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object