org.apache.flink.table.plan.rules.physical.batch.BatchExecExpandRule.scala Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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* 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.plan.rules.physical.batch
import org.apache.calcite.plan.RelOptRule
import org.apache.calcite.rel.RelNode
import org.apache.calcite.rel.convert.ConverterRule
import org.apache.flink.table.plan.nodes.FlinkConventions
import org.apache.flink.table.plan.nodes.physical.batch.BatchExecExpand
import org.apache.flink.table.plan.nodes.logical.FlinkLogicalExpand
class BatchExecExpandRule
extends ConverterRule(
classOf[FlinkLogicalExpand],
FlinkConventions.LOGICAL,
FlinkConventions.BATCH_PHYSICAL,
"BatchExecExpandRule") {
def convert(rel: RelNode): RelNode = {
val expand = rel.asInstanceOf[FlinkLogicalExpand]
val newTrait = rel.getTraitSet.replace(FlinkConventions.BATCH_PHYSICAL)
val newInput = RelOptRule.convert(expand.getInput, FlinkConventions.BATCH_PHYSICAL)
new BatchExecExpand(
rel.getCluster,
newTrait,
newInput,
rel.getRowType,
expand.projects,
expand.expandIdIndex,
description)
}
}
object BatchExecExpandRule {
val INSTANCE: RelOptRule = new BatchExecExpandRule
}