Repository: spark Updated Branches: refs/heads/branch-1.3 0ba759985 -> 825499655
[SPARK-6465][SQL] Fix serialization of GenericRowWithSchema using kryo Author: Michael Armbrust <mich...@databricks.com> Closes #5191 from marmbrus/kryoRowsWithSchema and squashes the following commits: bb83522 [Michael Armbrust] Fix serialization of GenericRowWithSchema using kryo f914f16 [Michael Armbrust] Add no arg constructor to GenericRowWithSchema (cherry picked from commit f88f51bbd461e0a42ad7021147268509b9c3c56e) Signed-off-by: Cheng Lian <l...@databricks.com> Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/82549965 Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/82549965 Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/82549965 Branch: refs/heads/branch-1.3 Commit: 8254996557512b8bbc8fd35c550004b56144581f Parents: 0ba7599 Author: Michael Armbrust <mich...@databricks.com> Authored: Thu Mar 26 18:46:57 2015 +0800 Committer: Cheng Lian <l...@databricks.com> Committed: Thu Mar 26 18:47:15 2015 +0800 ---------------------------------------------------------------------- .../spark/sql/catalyst/expressions/rows.scala | 7 +++++-- .../org/apache/spark/sql/types/Metadata.scala | 3 +++ .../org/apache/spark/sql/types/dataTypes.scala | 18 ++++++++++++++++++ .../spark/sql/execution/SparkSqlSerializer.scala | 4 +--- .../scala/org/apache/spark/sql/RowSuite.scala | 12 ++++++++++++ 5 files changed, 39 insertions(+), 5 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/spark/blob/82549965/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala ---------------------------------------------------------------------- diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala index 8bba26b..a8983df 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala @@ -66,7 +66,7 @@ object EmptyRow extends Row { */ class GenericRow(protected[sql] val values: Array[Any]) extends Row { /** No-arg constructor for serialization. */ - def this() = this(null) + protected def this() = this(null) def this(size: Int) = this(new Array[Any](size)) @@ -172,11 +172,14 @@ class GenericRow(protected[sql] val values: Array[Any]) extends Row { class GenericRowWithSchema(values: Array[Any], override val schema: StructType) extends GenericRow(values) { + + /** No-arg constructor for serialization. */ + protected def this() = this(null, null) } class GenericMutableRow(v: Array[Any]) extends GenericRow(v) with MutableRow { /** No-arg constructor for serialization. */ - def this() = this(null) + protected def this() = this(null) def this(size: Int) = this(new Array[Any](size)) http://git-wip-us.apache.org/repos/asf/spark/blob/82549965/sql/catalyst/src/main/scala/org/apache/spark/sql/types/Metadata.scala ---------------------------------------------------------------------- diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/Metadata.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/Metadata.scala index e50e976..6ee24ee 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/Metadata.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/Metadata.scala @@ -41,6 +41,9 @@ import org.apache.spark.annotation.DeveloperApi sealed class Metadata private[types] (private[types] val map: Map[String, Any]) extends Serializable { + /** No-arg constructor for kryo. */ + protected def this() = this(null) + /** Tests whether this Metadata contains a binding for a key. */ def contains(key: String): Boolean = map.contains(key) http://git-wip-us.apache.org/repos/asf/spark/blob/82549965/sql/catalyst/src/main/scala/org/apache/spark/sql/types/dataTypes.scala ---------------------------------------------------------------------- diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/dataTypes.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/dataTypes.scala index d973144..952cf5c 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/types/dataTypes.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/types/dataTypes.scala @@ -670,6 +670,10 @@ case class PrecisionInfo(precision: Int, scale: Int) */ @DeveloperApi case class DecimalType(precisionInfo: Option[PrecisionInfo]) extends FractionalType { + + /** No-arg constructor for kryo. */ + protected def this() = this(null) + private[sql] type JvmType = Decimal @transient private[sql] lazy val tag = ScalaReflectionLock.synchronized { typeTag[JvmType] } private[sql] val numeric = Decimal.DecimalIsFractional @@ -819,6 +823,10 @@ object ArrayType { */ @DeveloperApi case class ArrayType(elementType: DataType, containsNull: Boolean) extends DataType { + + /** No-arg constructor for kryo. */ + protected def this() = this(null, false) + private[sql] def buildFormattedString(prefix: String, builder: StringBuilder): Unit = { builder.append( s"$prefix-- element: ${elementType.typeName} (containsNull = $containsNull)\n") @@ -857,6 +865,9 @@ case class StructField( nullable: Boolean = true, metadata: Metadata = Metadata.empty) { + /** No-arg constructor for kryo. */ + protected def this() = this(null, null) + private[sql] def buildFormattedString(prefix: String, builder: StringBuilder): Unit = { builder.append(s"$prefix-- $name: ${dataType.typeName} (nullable = $nullable)\n") DataType.buildFormattedString(dataType, s"$prefix |", builder) @@ -1003,6 +1014,9 @@ object StructType { @DeveloperApi case class StructType(fields: Array[StructField]) extends DataType with Seq[StructField] { + /** No-arg constructor for kryo. */ + protected def this() = this(null) + /** Returns all field names in an array. */ def fieldNames: Array[String] = fields.map(_.name) @@ -1121,6 +1135,10 @@ case class MapType( keyType: DataType, valueType: DataType, valueContainsNull: Boolean) extends DataType { + + /** No-arg constructor for kryo. */ + def this() = this(null, null, false) + private[sql] def buildFormattedString(prefix: String, builder: StringBuilder): Unit = { builder.append(s"$prefix-- key: ${keyType.typeName}\n") builder.append(s"$prefix-- value: ${valueType.typeName} " + http://git-wip-us.apache.org/repos/asf/spark/blob/82549965/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer.scala ---------------------------------------------------------------------- diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer.scala index c4534fd..967bd76 100644 --- a/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer.scala +++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlSerializer.scala @@ -39,7 +39,7 @@ import org.apache.spark.sql.catalyst.expressions.codegen.{IntegerHashSet, LongHa private[sql] class SparkSqlSerializer(conf: SparkConf) extends KryoSerializer(conf) { override def newKryo(): Kryo = { - val kryo = new Kryo() + val kryo = super.newKryo() kryo.setRegistrationRequired(false) kryo.register(classOf[MutablePair[_, _]]) kryo.register(classOf[org.apache.spark.sql.catalyst.expressions.GenericRow]) @@ -57,8 +57,6 @@ private[sql] class SparkSqlSerializer(conf: SparkConf) extends KryoSerializer(co kryo.register(classOf[Decimal]) kryo.setReferences(false) - kryo.setClassLoader(Utils.getSparkClassLoader) - new AllScalaRegistrar().apply(kryo) kryo } } http://git-wip-us.apache.org/repos/asf/spark/blob/82549965/sql/core/src/test/scala/org/apache/spark/sql/RowSuite.scala ---------------------------------------------------------------------- diff --git a/sql/core/src/test/scala/org/apache/spark/sql/RowSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/RowSuite.scala index f5b945f..36465cc 100644 --- a/sql/core/src/test/scala/org/apache/spark/sql/RowSuite.scala +++ b/sql/core/src/test/scala/org/apache/spark/sql/RowSuite.scala @@ -17,9 +17,12 @@ package org.apache.spark.sql +import org.apache.spark.sql.execution.SparkSqlSerializer import org.scalatest.FunSuite import org.apache.spark.sql.catalyst.expressions.{GenericMutableRow, SpecificMutableRow} +import org.apache.spark.sql.test.TestSQLContext +import org.apache.spark.sql.test.TestSQLContext.implicits._ import org.apache.spark.sql.types._ class RowSuite extends FunSuite { @@ -50,4 +53,13 @@ class RowSuite extends FunSuite { row(0) = null assert(row.isNullAt(0)) } + + test("serialize w/ kryo") { + val row = Seq((1, Seq(1), Map(1 -> 1), BigDecimal(1))).toDF().first() + val serializer = new SparkSqlSerializer(TestSQLContext.sparkContext.getConf) + val instance = serializer.newInstance() + val ser = instance.serialize(row) + val de = instance.deserialize(ser).asInstanceOf[Row] + assert(de === row) + } } --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@spark.apache.org For additional commands, e-mail: commits-h...@spark.apache.org