org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalOverAggregate.scala Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.flink.table.planner.plan.nodes.physical.stream
import org.apache.flink.table.planner.calcite.FlinkTypeFactory
import org.apache.flink.table.planner.plan.nodes.exec.stream.StreamExecOverAggregate
import org.apache.flink.table.planner.plan.nodes.exec.{InputProperty, ExecNode}
import org.apache.flink.table.planner.plan.utils.OverAggregateUtil
import org.apache.calcite.plan.{RelOptCluster, RelTraitSet}
import org.apache.calcite.rel.RelNode
import org.apache.calcite.rel.`type`.RelDataType
import org.apache.calcite.rel.core.Window
import java.util
/**
* Stream physical RelNode for time-based over [[Window]].
*/
class StreamPhysicalOverAggregate(
cluster: RelOptCluster,
traitSet: RelTraitSet,
inputRel: RelNode,
outputRowType: RelDataType,
logicWindow: Window)
extends StreamPhysicalOverAggregateBase(
cluster,
traitSet,
inputRel,
outputRowType,
logicWindow) {
override def copy(traitSet: RelTraitSet, inputs: util.List[RelNode]): RelNode = {
new StreamPhysicalOverAggregate(
cluster,
traitSet,
inputs.get(0),
outputRowType,
logicWindow
)
}
override def translateToExecNode(): ExecNode[_] = {
new StreamExecOverAggregate(
OverAggregateUtil.createOverSpec(logicWindow),
InputProperty.DEFAULT,
FlinkTypeFactory.toLogicalRowType(getRowType),
getRelDetailedDescription
)
}
}