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Handle readBatch changes for Spark 3.3.0 (#5425)
* Added a shim for CurrentBatchIterator Signed-off-by: Raza Jafri <rjafri@nvidia.com> * Extracted super class for common code Signed-off-by: Raza Jafri <rjafri@nvidia.com> * removed the duplicate code from child class Signed-off-by: Raza Jafri <rjafri@nvidia.com> * removed redundant code Signed-off-by: Raza Jafri <rjafri@nvidia.com> * addressed review comments Signed-off-by: Raza Jafri <rjafri@nvidia.com> * addressed review comments Signed-off-by: Raza Jafri <rjafri@nvidia.com> * added new line Signed-off-by: Raza Jafri <rjafri@nvidia.com> * removed the xfailing test Signed-off-by: Raza Jafri <rjafri@nvidia.com> Co-authored-by: Raza Jafri <rjafri@nvidia.com>
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151 changes: 151 additions & 0 deletions
151
...b/scala/org/apache/spark/sql/execution/datasources/parquet/ShimCurrentBatchIterator.scala
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/* | ||
* Copyright (c) 2022, 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. | ||
*/ | ||
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package org.apache.spark.sql.execution.datasources.parquet | ||
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import java.io.IOException | ||
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import com.nvidia.spark.CurrentBatchIterator | ||
import com.nvidia.spark.rapids.ParquetCachedBatch | ||
import java.util | ||
import org.apache.hadoop.conf.Configuration | ||
import org.apache.parquet.ParquetReadOptions | ||
import org.apache.parquet.column.ColumnDescriptor | ||
import org.apache.parquet.schema.Type | ||
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import org.apache.spark.TaskContext | ||
import org.apache.spark.sql.catalyst.expressions.Attribute | ||
import org.apache.spark.sql.execution.datasources.parquet.rapids.shims.ShimVectorizedColumnReader | ||
import org.apache.spark.sql.execution.vectorized.WritableColumnVector | ||
import org.apache.spark.sql.internal.SQLConf | ||
import org.apache.spark.sql.internal.SQLConf.LegacyBehaviorPolicy | ||
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object ParquetVectorizedReader { | ||
lazy val readBatchMethod = { | ||
val method = classOf[VectorizedColumnReader].getDeclaredMethod("readBatch", Integer.TYPE, | ||
classOf[WritableColumnVector]) | ||
method.setAccessible(true) | ||
method | ||
} | ||
} | ||
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/** | ||
* This class takes a lot of the logic from | ||
* org.apache/spark/sql/execution/datasources/parquet/VectorizedParquetRecordReader.java | ||
*/ | ||
class ShimCurrentBatchIterator( | ||
parquetCachedBatch: ParquetCachedBatch, | ||
conf: SQLConf, | ||
selectedAttributes: Seq[Attribute], | ||
options: ParquetReadOptions, | ||
hadoopConf: Configuration) extends CurrentBatchIterator( | ||
parquetCachedBatch, | ||
conf, | ||
selectedAttributes, | ||
options, | ||
hadoopConf) { | ||
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var columnReaders: Array[VectorizedColumnReader] = _ | ||
val missingColumns = new Array[Boolean](reqParquetSchemaInCacheOrder.getFieldCount) | ||
val typesInCache: util.List[Type] = reqParquetSchemaInCacheOrder.asGroupType.getFields | ||
val columnsInCache: util.List[ColumnDescriptor] = reqParquetSchemaInCacheOrder.getColumns | ||
val columnsRequested: util.List[ColumnDescriptor] = reqParquetSchemaInCacheOrder.getColumns | ||
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// initialize missingColumns to cover the case where requested column isn't present in the | ||
// cache, which should never happen but just in case it does | ||
val paths: util.List[Array[String]] = reqParquetSchemaInCacheOrder.getPaths | ||
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for (i <- 0 until reqParquetSchemaInCacheOrder.getFieldCount) { | ||
val t = reqParquetSchemaInCacheOrder.getFields.get(i) | ||
if (!t.isPrimitive || t.isRepetition(Type.Repetition.REPEATED)) { | ||
throw new UnsupportedOperationException("Complex types not supported.") | ||
} | ||
val colPath = paths.get(i) | ||
if (inMemCacheParquetSchema.containsPath(colPath)) { | ||
val fd = inMemCacheParquetSchema.getColumnDescription(colPath) | ||
if (!(fd == columnsRequested.get(i))) { | ||
throw new UnsupportedOperationException("Schema evolution not supported.") | ||
} | ||
missingColumns(i) = false | ||
} else { | ||
if (columnsRequested.get(i).getMaxDefinitionLevel == 0) { | ||
// Column is missing in data but the required data is non-nullable. | ||
// This file is invalid. | ||
throw new IOException(s"Required column is missing in data file: ${colPath.toList}") | ||
} | ||
missingColumns(i) = true | ||
vectors(i).putNulls(0, capacity) | ||
vectors(i).setIsConstant() | ||
} | ||
} | ||
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@throws[IOException] | ||
def checkEndOfRowGroup(): Unit = { | ||
if (rowsReturned != totalCountLoadedSoFar) return | ||
val pages = parquetFileReader.readNextRowGroup | ||
if (pages == null) { | ||
throw new IOException("expecting more rows but reached last" + | ||
" block. Read " + rowsReturned + " out of " + totalRowCount) | ||
} | ||
columnReaders = new Array[VectorizedColumnReader](columnsRequested.size) | ||
for (i <- 0 until columnsRequested.size) { | ||
if (!missingColumns(i)) { | ||
columnReaders(i) = | ||
new ShimVectorizedColumnReader( | ||
i, | ||
columnsInCache, | ||
typesInCache, | ||
pages, | ||
convertTz = null, | ||
LegacyBehaviorPolicy.CORRECTED.toString, | ||
LegacyBehaviorPolicy.EXCEPTION.toString, | ||
int96CDPHive3Compatibility = false, | ||
writerVersion) | ||
} | ||
} | ||
totalCountLoadedSoFar += pages.getRowCount | ||
} | ||
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/** | ||
* Read the next RowGroup and read each column and return the columnarBatch | ||
*/ | ||
def nextBatch: Boolean = { | ||
for (vector <- vectors) { | ||
vector.reset() | ||
} | ||
columnarBatch.setNumRows(0) | ||
if (rowsReturned >= totalRowCount) return false | ||
checkEndOfRowGroup() | ||
val num = Math.min(capacity.toLong, totalCountLoadedSoFar - rowsReturned).toInt | ||
for (i <- columnReaders.indices) { | ||
if (columnReaders(i) != null) { | ||
ParquetVectorizedReader.readBatchMethod | ||
.invoke(columnReaders(i), num.asInstanceOf[AnyRef], | ||
vectors(cacheSchemaToReqSchemaMap(i)).asInstanceOf[AnyRef]) | ||
} | ||
} | ||
rowsReturned += num | ||
columnarBatch.setNumRows(num) | ||
true | ||
} | ||
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override def hasNext: Boolean = rowsReturned < totalRowCount | ||
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TaskContext.get().addTaskCompletionListener[Unit]((_: TaskContext) => { | ||
close() | ||
}) | ||
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} |
199 changes: 199 additions & 0 deletions
199
...+/scala/org/apache/spark/sql/execution/datasources/parquet/ShimCurrentBatchIterator.scala
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/* | ||
* Copyright (c) 2022, 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. | ||
*/ | ||
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package org.apache.spark.sql.execution.datasources.parquet | ||
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import java.io.IOException | ||
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import scala.collection.JavaConverters._ | ||
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import com.nvidia.spark.CurrentBatchIterator | ||
import com.nvidia.spark.rapids.ParquetCachedBatch | ||
import java.util | ||
import org.apache.hadoop.conf.Configuration | ||
import org.apache.parquet.ParquetReadOptions | ||
import org.apache.parquet.column.page.PageReadStore | ||
import org.apache.parquet.schema.{GroupType, Type} | ||
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import org.apache.spark.memory.MemoryMode | ||
import org.apache.spark.sql.catalyst.expressions.Attribute | ||
import org.apache.spark.sql.execution.vectorized.WritableColumnVector | ||
import org.apache.spark.sql.internal.SQLConf | ||
import org.apache.spark.sql.internal.SQLConf.LegacyBehaviorPolicy | ||
import org.apache.spark.sql.types.StructType | ||
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object ParquetVectorizedReader { | ||
/** | ||
* We are getting this method using reflection because its a package-private | ||
*/ | ||
lazy val readBatchMethod = { | ||
val method = classOf[VectorizedColumnReader].getDeclaredMethod("readBatch", Integer.TYPE, | ||
classOf[WritableColumnVector], | ||
classOf[WritableColumnVector], | ||
classOf[WritableColumnVector]) | ||
method.setAccessible(true) | ||
method | ||
} | ||
} | ||
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/** | ||
* This class takes a lot of the logic from | ||
* org.apache/spark/sql/execution/datasources/parquet/VectorizedParquetRecordReader.java | ||
*/ | ||
class ShimCurrentBatchIterator( | ||
parquetCachedBatch: ParquetCachedBatch, | ||
conf: SQLConf, | ||
selectedAttributes: Seq[Attribute], | ||
options: ParquetReadOptions, | ||
hadoopConf: Configuration) | ||
extends CurrentBatchIterator( | ||
parquetCachedBatch, | ||
conf, | ||
selectedAttributes, | ||
options, | ||
hadoopConf) { | ||
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val missingColumns: util.Set[ParquetColumn] = new util.HashSet[ParquetColumn]() | ||
val config = new Configuration | ||
config.setBoolean(SQLConf.PARQUET_BINARY_AS_STRING.key, false) | ||
config.setBoolean(SQLConf.PARQUET_INT96_AS_TIMESTAMP.key, false) | ||
config.setBoolean(SQLConf.CASE_SENSITIVE.key, false) | ||
val parquetColumn = new ParquetToSparkSchemaConverter(config) | ||
.convertParquetColumn(reqParquetSchemaInCacheOrder, Option.empty) | ||
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// initialize missingColumns to cover the case where requested column isn't present in the | ||
// cache, which should never happen but just in case it does | ||
for (column <- parquetColumn.children) { | ||
checkColumn(column) | ||
} | ||
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val sparkSchema = parquetColumn.sparkType.asInstanceOf[StructType] | ||
val parquetColumnVectors = (for (i <- 0 until sparkSchema.fields.length) yield { | ||
new ParquetColumnVector(parquetColumn.children.apply(i), | ||
vectors(i), capacity, MemoryMode.OFF_HEAP, missingColumns) | ||
}).toArray | ||
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private def containsPath(parquetType: Type, path: Array[String]): Boolean = | ||
containsPath(parquetType, path, 0) | ||
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private def containsPath(parquetType: Type, path: Array[String], depth: Int): Boolean = { | ||
if (path.length == depth) return true | ||
if (parquetType.isInstanceOf[GroupType]) { | ||
val fieldName = path(depth) | ||
val parquetGroupType = parquetType.asInstanceOf[GroupType] | ||
if (parquetGroupType.containsField(fieldName)) { | ||
return containsPath(parquetGroupType.getType(fieldName), path, depth + 1) | ||
} | ||
} | ||
false | ||
} | ||
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private def checkColumn(column: ParquetColumn): Unit = { | ||
val paths = column.path.toArray | ||
if (containsPath(inMemCacheParquetSchema, paths)) { | ||
if (column.isPrimitive) { | ||
val desc = column.descriptor.get | ||
val fd = inMemCacheParquetSchema.getColumnDescription(desc.getPath) | ||
if (!fd.equals(desc)) { | ||
throw new UnsupportedOperationException("Schema evolution not supported") | ||
} | ||
} else { | ||
for (childColumn <- column.children) { | ||
checkColumn(childColumn) | ||
} | ||
} | ||
} else { | ||
if (column.required) { | ||
if (column.required) { | ||
// Column is missing in data but the required data is non-nullable. This file is invalid. | ||
throw new IOException("Required column is missing in data file. Col: " + paths) | ||
} | ||
missingColumns.add(column); | ||
} | ||
} | ||
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} | ||
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@throws[IOException] | ||
private def initColumnReader(pages: PageReadStore, cv: ParquetColumnVector): Unit = { | ||
if (!missingColumns.contains(cv.getColumn)) { | ||
if (cv.getColumn.isPrimitive) { | ||
val column = cv.getColumn | ||
val reader = new VectorizedColumnReader( | ||
column.descriptor.get, | ||
column.required, | ||
pages, | ||
null, | ||
LegacyBehaviorPolicy.CORRECTED.toString, | ||
LegacyBehaviorPolicy.EXCEPTION.toString, | ||
LegacyBehaviorPolicy.EXCEPTION.toString, | ||
null, | ||
writerVersion) | ||
cv.setColumnReader(reader) | ||
} | ||
else { // Not in missing columns and is a complex type: this must be a struct | ||
for (childCv <- cv.getChildren.asScala) { | ||
initColumnReader(pages, childCv) | ||
} | ||
} | ||
} | ||
} | ||
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@throws[IOException] | ||
def checkEndOfRowGroup(): Unit = { | ||
if (rowsReturned != totalCountLoadedSoFar) return | ||
val pages = parquetFileReader.readNextRowGroup | ||
if (pages == null) { | ||
throw new IOException("expecting more rows but reached last" + | ||
" block. Read " + rowsReturned + " out of " + totalRowCount) | ||
} | ||
for (cv <- parquetColumnVectors) { | ||
initColumnReader(pages, cv) | ||
} | ||
totalCountLoadedSoFar += pages.getRowCount | ||
} | ||
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/** | ||
* Read the next RowGroup and read each column and return the columnarBatch | ||
*/ | ||
def nextBatch: Boolean = { | ||
for (vector <- parquetColumnVectors) { | ||
vector.reset() | ||
} | ||
columnarBatch.setNumRows(0) | ||
if (rowsReturned >= totalRowCount) return false | ||
checkEndOfRowGroup() | ||
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val num = Math.min(capacity.toLong, totalCountLoadedSoFar - rowsReturned).toInt | ||
for (cv <- parquetColumnVectors){ | ||
for (leafCv <- cv.getLeaves.asScala) { | ||
val columnReader = leafCv.getColumnReader | ||
if (columnReader != null) { | ||
ParquetVectorizedReader.readBatchMethod.invoke( | ||
columnReader, | ||
num.asInstanceOf[AnyRef], | ||
leafCv.getValueVector.asInstanceOf[AnyRef], | ||
leafCv.getRepetitionLevelVector.asInstanceOf[AnyRef], | ||
leafCv.getDefinitionLevelVector.asInstanceOf[AnyRef]) | ||
} | ||
} | ||
cv.assemble() | ||
} | ||
rowsReturned += num | ||
columnarBatch.setNumRows(num) | ||
true | ||
} | ||
} |
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