org.apache.flink.table.planner.plan.trait

Class RelWindowProperties

java.lang.Object

org.apache.flink.table.planner.plan.trait.RelWindowProperties

public class RelWindowProperties
extends Object

It describes the information of window properties of a RelNode.

Method Summary

Modifier and Type	Method and Description
RelWindowProperties	copy(org.apache.calcite.util.ImmutableBitSet windowStartColumns, org.apache.calcite.util.ImmutableBitSet windowEndColumns, org.apache.calcite.util.ImmutableBitSet windowTimeColumns)
static RelWindowProperties	create(org.apache.calcite.util.ImmutableBitSet windowStartColumns, org.apache.calcite.util.ImmutableBitSet windowEndColumns, org.apache.calcite.util.ImmutableBitSet windowTimeColumns, WindowSpec windowSpec, LogicalType timeAttributeType) Creates a RelWindowProperties, may return null if the window properties can't be propagated (loss window start and window end columns).
boolean	equals(Object o)
LogicalType	getTimeAttributeType()
org.apache.calcite.util.ImmutableBitSet	getWindowColumns()
org.apache.calcite.util.ImmutableBitSet	getWindowEndColumns()
WindowSpec	getWindowSpec()
org.apache.calcite.util.ImmutableBitSet	getWindowStartColumns()
org.apache.calcite.util.ImmutableBitSet	getWindowTimeColumns()
int	hashCode()
boolean	isRowtime()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

create

@Nullable
public static RelWindowProperties create(org.apache.calcite.util.ImmutableBitSet windowStartColumns,
                                                   org.apache.calcite.util.ImmutableBitSet windowEndColumns,
                                                   org.apache.calcite.util.ImmutableBitSet windowTimeColumns,
                                                   WindowSpec windowSpec,
                                                   LogicalType timeAttributeType)

Creates a RelWindowProperties, may return null if the window properties can't be propagated (loss window start and window end columns).

copy

@Nullable
public RelWindowProperties copy(org.apache.calcite.util.ImmutableBitSet windowStartColumns,
                                          org.apache.calcite.util.ImmutableBitSet windowEndColumns,
                                          org.apache.calcite.util.ImmutableBitSet windowTimeColumns)

getWindowStartColumns

public org.apache.calcite.util.ImmutableBitSet getWindowStartColumns()

getWindowEndColumns

public org.apache.calcite.util.ImmutableBitSet getWindowEndColumns()

getWindowTimeColumns

public org.apache.calcite.util.ImmutableBitSet getWindowTimeColumns()

getWindowColumns

public org.apache.calcite.util.ImmutableBitSet getWindowColumns()

getWindowSpec

public WindowSpec getWindowSpec()

isRowtime

public boolean isRowtime()

getTimeAttributeType

public LogicalType getTimeAttributeType()

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