org.apache.flink.table.planner.plan.trait.ModifyKindSetTraitDef.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.`trait`
import org.apache.calcite.plan.{RelOptPlanner, RelTraitDef}
import org.apache.calcite.rel.RelNode
class ModifyKindSetTraitDef extends RelTraitDef[ModifyKindSetTrait] {
override def getTraitClass: Class[ModifyKindSetTrait] = classOf[ModifyKindSetTrait]
override def getSimpleName: String = this.getClass.getSimpleName
override def convert(
planner: RelOptPlanner,
rel: RelNode,
toTrait: ModifyKindSetTrait,
allowInfiniteCostConverters: Boolean): RelNode = {
rel.copy(rel.getTraitSet.plus(toTrait), rel.getInputs)
}
override def canConvert(
planner: RelOptPlanner,
fromTrait: ModifyKindSetTrait,
toTrait: ModifyKindSetTrait): Boolean = {
throw new UnsupportedOperationException(
"ModifyKindSetTrait conversion is not supported for now.")
}
override def getDefault: ModifyKindSetTrait = ModifyKindSetTrait.EMPTY
}
object ModifyKindSetTraitDef {
val INSTANCE = new ModifyKindSetTraitDef()
}