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[VL] [Core] Spark Input_file_name Support (#6021)
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155 changes: 155 additions & 0 deletions
155
backends-velox/src/main/scala/org/apache/gluten/extension/InputFileNameReplaceRule.scala
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| /* | ||
| * 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.gluten.extension | ||
|
|
||
| import org.apache.spark.sql.SparkSession | ||
| import org.apache.spark.sql.catalyst.expressions.{AttributeReference, Expression, InputFileBlockLength, InputFileBlockStart, InputFileName, NamedExpression} | ||
| import org.apache.spark.sql.catalyst.rules.Rule | ||
| import org.apache.spark.sql.execution.{FileSourceScanExec, ProjectExec, SparkPlan} | ||
| import org.apache.spark.sql.execution.datasources.parquet.ParquetFileFormat | ||
| import org.apache.spark.sql.execution.datasources.v2.BatchScanExec | ||
| import org.apache.spark.sql.execution.datasources.v2.parquet.ParquetScan | ||
| import org.apache.spark.sql.types.{LongType, StringType} | ||
|
|
||
| object InputFileNameReplaceRule { | ||
| val replacedInputFileName = "$input_file_name$" | ||
| val replacedInputFileBlockStart = "$input_file_block_start$" | ||
| val replacedInputFileBlockLength = "$input_file_block_length$" | ||
| } | ||
|
|
||
| case class InputFileNameReplaceRule(spark: SparkSession) extends Rule[SparkPlan] { | ||
| import InputFileNameReplaceRule._ | ||
|
|
||
| private def isInputFileName(expr: Expression): Boolean = { | ||
| expr match { | ||
| case _: InputFileName => true | ||
| case _ => false | ||
| } | ||
| } | ||
|
|
||
| private def isInputFileBlockStart(expr: Expression): Boolean = { | ||
| expr match { | ||
| case _: InputFileBlockStart => true | ||
| case _ => false | ||
| } | ||
| } | ||
|
|
||
| private def isInputFileBlockLength(expr: Expression): Boolean = { | ||
| expr match { | ||
| case _: InputFileBlockLength => true | ||
| case _ => false | ||
| } | ||
| } | ||
|
|
||
| override def apply(plan: SparkPlan): SparkPlan = { | ||
| val replacedExprs = scala.collection.mutable.Map[String, AttributeReference]() | ||
|
|
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| def hasParquetScan(plan: SparkPlan): Boolean = { | ||
| plan match { | ||
| case fileScan: FileSourceScanExec | ||
| if fileScan.relation.fileFormat.isInstanceOf[ParquetFileFormat] => | ||
| true | ||
| case batchScan: BatchScanExec => | ||
| batchScan.scan match { | ||
| case _: ParquetScan => true | ||
| case _ => false | ||
| } | ||
| case _ => plan.children.exists(hasParquetScan) | ||
| } | ||
| } | ||
|
|
||
| def mayNeedConvert(expr: Expression): Boolean = { | ||
| expr match { | ||
| case e if isInputFileName(e) => true | ||
| case s if isInputFileBlockStart(s) => true | ||
| case l if isInputFileBlockLength(l) => true | ||
| case other => other.children.exists(mayNeedConvert) | ||
| } | ||
| } | ||
|
|
||
| def doConvert(expr: Expression): Expression = { | ||
| expr match { | ||
| case e if isInputFileName(e) => | ||
| replacedExprs.getOrElseUpdate( | ||
| replacedInputFileName, | ||
| AttributeReference(replacedInputFileName, StringType, true)()) | ||
| case s if isInputFileBlockStart(s) => | ||
| replacedExprs.getOrElseUpdate( | ||
| replacedInputFileBlockStart, | ||
| AttributeReference(replacedInputFileBlockStart, LongType, true)() | ||
| ) | ||
| case l if isInputFileBlockLength(l) => | ||
| replacedExprs.getOrElseUpdate( | ||
| replacedInputFileBlockLength, | ||
| AttributeReference(replacedInputFileBlockLength, LongType, true)() | ||
| ) | ||
| case other => | ||
| other.withNewChildren(other.children.map(child => doConvert(child))) | ||
| } | ||
| } | ||
|
|
||
| def ensureChildOutputHasNewAttrs(plan: SparkPlan): SparkPlan = { | ||
| plan match { | ||
| case _ @ProjectExec(projectList, child) => | ||
| var newProjectList = projectList | ||
| for ((_, newAttr) <- replacedExprs) { | ||
| if (!newProjectList.exists(attr => attr.exprId == newAttr.exprId)) { | ||
| newProjectList = newProjectList :+ newAttr.toAttribute | ||
| } | ||
| } | ||
| val newChild = ensureChildOutputHasNewAttrs(child) | ||
| ProjectExec(newProjectList, newChild) | ||
| case f: FileSourceScanExec => | ||
| var newOutput = f.output | ||
| for ((_, newAttr) <- replacedExprs) { | ||
| if (!newOutput.exists(attr => attr.exprId == newAttr.exprId)) { | ||
| newOutput = newOutput :+ newAttr.toAttribute | ||
| } | ||
| } | ||
| f.copy(output = newOutput) | ||
|
|
||
| case b: BatchScanExec => | ||
| var newOutput = b.output | ||
| for ((_, newAttr) <- replacedExprs) { | ||
| if (!newOutput.exists(attr => attr.exprId == newAttr.exprId)) { | ||
| newOutput = newOutput :+ newAttr | ||
| } | ||
| } | ||
| b.copy(output = newOutput) | ||
| case other => | ||
| val newChildren = other.children.map(ensureChildOutputHasNewAttrs) | ||
| other.withNewChildren(newChildren) | ||
| } | ||
| } | ||
|
|
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| def replaceInputFileNameInProject(plan: SparkPlan): SparkPlan = { | ||
| plan match { | ||
| case _ @ProjectExec(projectList, child) | ||
| if projectList.exists(mayNeedConvert) && hasParquetScan(plan) => | ||
| val newProjectList = projectList.map { | ||
| expr => doConvert(expr).asInstanceOf[NamedExpression] | ||
| } | ||
| val newChild = replaceInputFileNameInProject(ensureChildOutputHasNewAttrs(child)) | ||
| ProjectExec(newProjectList, newChild) | ||
| case other => | ||
| val newChildren = other.children.map(replaceInputFileNameInProject) | ||
| other.withNewChildren(newChildren) | ||
| } | ||
| } | ||
| replaceInputFileNameInProject(plan) | ||
| } | ||
| } |
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