com.nvidia.spark.rapids.constraintExpressions.scala Maven / Gradle / Ivy

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Creates the distribution package of the RAPIDS plugin for Apache Spark

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/*
 * Copyright (c) 2019-2023, NVIDIA CORPORATION.
 *
 * Licensed 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 com.nvidia.spark.rapids

import com.nvidia.spark.rapids.RapidsPluginImplicits._
import com.nvidia.spark.rapids.shims.ShimUnaryExpression

import org.apache.spark.sql.catalyst.expressions.{Expression, TaggingExpression}
import org.apache.spark.sql.vectorized.ColumnarBatch


trait ShimTaggingExpression extends TaggingExpression with ShimUnaryExpression

/**
 * This is a TaggingExpression in spark, which gets matched in NormalizeFloatingNumbers (which is
 * a Rule).
 */
case class GpuKnownFloatingPointNormalized(child: Expression) extends ShimTaggingExpression
    with GpuExpression {
  override def columnarEvalAny(batch: ColumnarBatch): Any = {
    child.columnarEvalAny(batch)
  }

  override def columnarEval(batch: ColumnarBatch): GpuColumnVector = {
    child.columnarEval(batch)
  }
}

/**
 * GPU version of the 'KnownNotNull', a TaggingExpression in spark,
 * to tag an expression as known to not be null.
 */
case class GpuKnownNotNull(child: Expression) extends ShimTaggingExpression
    with GpuExpression {
  override def nullable: Boolean = false

  override def columnarEvalAny(batch: ColumnarBatch): Any = {
    child.columnarEvalAny(batch)
  }

  override def columnarEval(batch: ColumnarBatch): GpuColumnVector = {
    child.columnarEval(batch)
  }
}