org.apache.flink.table.planner.plan.nodes.physical.stream.StreamPhysicalExpand.scala Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of flink-table-planner-blink_2.11 Show documentation
Show all versions of flink-table-planner-blink_2.11 Show documentation
This module bridges Table/SQL API and runtime. It contains
all resources that are required during pre-flight and runtime
phase. The content of this module is work-in-progress. It will
replace flink-table-planner once it is stable. See FLINK-11439
and FLIP-32 for more details.
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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.calcite.Expand
import org.apache.flink.table.planner.plan.nodes.exec.stream.StreamExecExpand
import org.apache.flink.table.planner.plan.nodes.exec.{InputProperty, ExecNode}
import org.apache.calcite.plan.{RelOptCluster, RelTraitSet}
import org.apache.calcite.rel.RelNode
import org.apache.calcite.rex.RexNode
import java.util
/**
* Stream physical RelNode for [[Expand]].
*/
class StreamPhysicalExpand(
cluster: RelOptCluster,
traitSet: RelTraitSet,
inputRel: RelNode,
projects: util.List[util.List[RexNode]],
expandIdIndex: Int)
extends Expand(cluster, traitSet, inputRel, projects, expandIdIndex)
with StreamPhysicalRel {
override def requireWatermark: Boolean = false
override def copy(traitSet: RelTraitSet, inputs: util.List[RelNode]): RelNode = {
new StreamPhysicalExpand(
cluster, traitSet, inputs.get(0), projects, expandIdIndex)
}
override def translateToExecNode(): ExecNode[_] = {
new StreamExecExpand(
projects,
InputProperty.DEFAULT,
FlinkTypeFactory.toLogicalRowType(getRowType),
getRelDetailedDescription
)
}
}