diff options
Diffstat (limited to 'sql')
5 files changed, 39 insertions, 5 deletions
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 8bba26bc4c..a8983df208 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)) 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 e50e976143..6ee24ee0c1 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) 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 d973144de3..952cf5c756 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} " + 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 c4534fd5f6..967bd76b30 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 } } 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 f5b945f468..36465cc2fa 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) + } } |