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

Class OverSpec.GroupSpec

java.lang.Object

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

Enclosing class:

OverSpec

public static class OverSpec.GroupSpec
extends Object

OverSpec.GroupSpec describes group of over aggregate calls that have the same window specification.

The specification is defined by an upper and lower bound, and also has zero or more order-by columns.

This class corresponds to Window.Group, but different from Group, the partition spec is defined in OverSpec.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FIELD_NAME_AGG_CALLS
static final String	FIELD_NAME_IS_ROWS
static final String	FIELD_NAME_LOWER_BOUND
static final String	FIELD_NAME_SORT_SPEC
static final String	FIELD_NAME_UPPER_BOUND

Constructor Summary

Constructors

Constructor	Description
GroupSpec(SortSpec sort, boolean isRows, org.apache.calcite.rex.RexWindowBound lowerBound, org.apache.calcite.rex.RexWindowBound upperBound, List<org.apache.calcite.rel.core.AggregateCall> aggCalls)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
List<org.apache.calcite.rel.core.AggregateCall>	getAggCalls()
org.apache.calcite.rex.RexWindowBound	getLowerBound()
SortSpec	getSort()
org.apache.calcite.rex.RexWindowBound	getUpperBound()
int	hashCode()
boolean	isRows()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

FIELD_NAME_SORT_SPEC

public static final String FIELD_NAME_SORT_SPEC

See Also:

• Constant Field Values

FIELD_NAME_IS_ROWS

public static final String FIELD_NAME_IS_ROWS

See Also:

• Constant Field Values

FIELD_NAME_LOWER_BOUND

public static final String FIELD_NAME_LOWER_BOUND

See Also:

• Constant Field Values

FIELD_NAME_UPPER_BOUND

public static final String FIELD_NAME_UPPER_BOUND

See Also:

• Constant Field Values

FIELD_NAME_AGG_CALLS

public static final String FIELD_NAME_AGG_CALLS

See Also:

• Constant Field Values

Constructor Details

GroupSpec

public GroupSpec(SortSpec sort,
 boolean isRows,
 org.apache.calcite.rex.RexWindowBound lowerBound,
 org.apache.calcite.rex.RexWindowBound upperBound,
 List<org.apache.calcite.rel.core.AggregateCall> aggCalls)

Method Details

getSort

public SortSpec getSort()

isRows

public boolean isRows()

getLowerBound

public org.apache.calcite.rex.RexWindowBound getLowerBound()

getUpperBound

public org.apache.calcite.rex.RexWindowBound getUpperBound()

getAggCalls

public List<org.apache.calcite.rel.core.AggregateCall> getAggCalls()

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