diff options
author | Reynold Xin <rxin@databricks.com> | 2015-03-21 14:30:04 -0700 |
---|---|---|
committer | Michael Armbrust <michael@databricks.com> | 2015-03-21 14:30:04 -0700 |
commit | b6090f902e6ec24923b4dde4aabc9076956521c1 (patch) | |
tree | ed273ad9bbfdfba2d78a01d6f4015320387a33b6 /sql | |
parent | 94a102acb80a7c77f57409ece1f8dbbba791b774 (diff) | |
download | spark-b6090f902e6ec24923b4dde4aabc9076956521c1.tar.gz spark-b6090f902e6ec24923b4dde4aabc9076956521c1.tar.bz2 spark-b6090f902e6ec24923b4dde4aabc9076956521c1.zip |
[SPARK-6428][SQL] Added explicit type for all public methods for Hive module
Author: Reynold Xin <rxin@databricks.com>
Closes #5108 from rxin/hive-public-type and squashes the following commits:
a320328 [Reynold Xin] [SPARK-6428][SQL] Added explicit type for all public methods for Hive module.
Diffstat (limited to 'sql')
16 files changed, 79 insertions, 62 deletions
diff --git a/sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala b/sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala index 895688ab2e..6272cdedb3 100644 --- a/sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala +++ b/sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLCLIDriver.scala @@ -194,8 +194,8 @@ private[hive] object SparkSQLCLIDriver { val currentDB = ReflectionUtils.invokeStatic(classOf[CliDriver], "getFormattedDb", classOf[HiveConf] -> conf, classOf[CliSessionState] -> sessionState) - def promptWithCurrentDB = s"$prompt$currentDB" - def continuedPromptWithDBSpaces = continuedPrompt + ReflectionUtils.invokeStatic( + def promptWithCurrentDB: String = s"$prompt$currentDB" + def continuedPromptWithDBSpaces: String = continuedPrompt + ReflectionUtils.invokeStatic( classOf[CliDriver], "spacesForString", classOf[String] -> currentDB) var currentPrompt = promptWithCurrentDB diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala index a5c435fdfa..c06c2e396b 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala @@ -183,7 +183,7 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) { // Circular buffer to hold what hive prints to STDOUT and ERR. Only printed when failures occur. @transient - protected lazy val outputBuffer = new java.io.OutputStream { + protected lazy val outputBuffer = new java.io.OutputStream { var pos: Int = 0 var buffer = new Array[Int](10240) def write(i: Int): Unit = { @@ -191,7 +191,7 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) { pos = (pos + 1) % buffer.size } - override def toString = { + override def toString: String = { val (end, start) = buffer.splitAt(pos) val input = new java.io.InputStream { val iterator = (start ++ end).iterator @@ -227,7 +227,7 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) { @transient override protected[sql] lazy val functionRegistry = new HiveFunctionRegistry with OverrideFunctionRegistry { - def caseSensitive = false + def caseSensitive: Boolean = false } /* An analyzer that uses the Hive metastore. */ diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala index 949a4e54e6..4c5eb48661 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveMetastoreCatalog.scala @@ -58,7 +58,7 @@ private[hive] class HiveMetastoreCatalog(hive: HiveContext) extends Catalog with // TODO: Use this everywhere instead of tuples or databaseName, tableName,. /** A fully qualified identifier for a table (i.e., database.tableName) */ case class QualifiedTableName(database: String, name: String) { - def toLowerCase = QualifiedTableName(database.toLowerCase, name.toLowerCase) + def toLowerCase: QualifiedTableName = QualifiedTableName(database.toLowerCase, name.toLowerCase) } /** A cache of Spark SQL data source tables that have been accessed. */ @@ -629,7 +629,8 @@ private[hive] class HiveMetastoreCatalog(hive: HiveContext) extends Catalog with castChildOutput(p, table, child) } - def castChildOutput(p: InsertIntoTable, table: MetastoreRelation, child: LogicalPlan) = { + def castChildOutput(p: InsertIntoTable, table: MetastoreRelation, child: LogicalPlan) + : LogicalPlan = { val childOutputDataTypes = child.output.map(_.dataType) val tableOutputDataTypes = (table.attributes ++ table.partitionKeys).take(child.output.length).map(_.dataType) @@ -667,7 +668,7 @@ private[hive] class HiveMetastoreCatalog(hive: HiveContext) extends Catalog with */ override def unregisterTable(tableIdentifier: Seq[String]): Unit = ??? - override def unregisterAllTables() = {} + override def unregisterAllTables(): Unit = {} } /** @@ -682,10 +683,10 @@ private[hive] case class InsertIntoHiveTable( overwrite: Boolean) extends LogicalPlan { - override def children = child :: Nil - override def output = child.output + override def children: Seq[LogicalPlan] = child :: Nil + override def output: Seq[Attribute] = child.output - override lazy val resolved = childrenResolved && child.output.zip(table.output).forall { + override lazy val resolved: Boolean = childrenResolved && child.output.zip(table.output).forall { case (childAttr, tableAttr) => childAttr.dataType.sameType(tableAttr.dataType) } } @@ -704,13 +705,13 @@ private[hive] case class MetastoreRelation // org.apache.hadoop.hive.ql.metadata.Partition will cause a NotSerializableException // which indicates the SerDe we used is not Serializable. - @transient val hiveQlTable = new Table(table) + @transient val hiveQlTable: Table = new Table(table) - @transient val hiveQlPartitions = partitions.map { p => + @transient val hiveQlPartitions: Seq[Partition] = partitions.map { p => new Partition(hiveQlTable, p) } - @transient override lazy val statistics = Statistics( + @transient override lazy val statistics: Statistics = Statistics( sizeInBytes = { val totalSize = hiveQlTable.getParameters.get(HiveShim.getStatsSetupConstTotalSize) val rawDataSize = hiveQlTable.getParameters.get(HiveShim.getStatsSetupConstRawDataSize) @@ -754,7 +755,7 @@ private[hive] case class MetastoreRelation ) implicit class SchemaAttribute(f: FieldSchema) { - def toAttribute = AttributeReference( + def toAttribute: AttributeReference = AttributeReference( f.getName, HiveMetastoreTypes.toDataType(f.getType), // Since data can be dumped in randomly with no validation, everything is nullable. diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala index ced99cd082..51775eb4cd 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala @@ -196,8 +196,8 @@ private[hive] object HiveQl { * Right now this function only checks the name, type, text and children of the node * for equality. */ - def checkEquals(other: ASTNode) { - def check(field: String, f: ASTNode => Any) = if (f(n) != f(other)) { + def checkEquals(other: ASTNode): Unit = { + def check(field: String, f: ASTNode => Any): Unit = if (f(n) != f(other)) { sys.error(s"$field does not match for trees. " + s"'${f(n)}' != '${f(other)}' left: ${dumpTree(n)}, right: ${dumpTree(other)}") } @@ -209,7 +209,7 @@ private[hive] object HiveQl { val leftChildren = nilIfEmpty(n.getChildren).asInstanceOf[Seq[ASTNode]] val rightChildren = nilIfEmpty(other.getChildren).asInstanceOf[Seq[ASTNode]] leftChildren zip rightChildren foreach { - case (l,r) => l checkEquals r + case (l, r) => l checkEquals r } } } @@ -269,7 +269,7 @@ private[hive] object HiveQl { } /** Creates LogicalPlan for a given VIEW */ - def createPlanForView(view: Table, alias: Option[String]) = alias match { + def createPlanForView(view: Table, alias: Option[String]): Subquery = alias match { // because hive use things like `_c0` to build the expanded text // currently we cannot support view from "create view v1(c1) as ..." case None => Subquery(view.getTableName, createPlan(view.getViewExpandedText)) @@ -323,7 +323,7 @@ private[hive] object HiveQl { clauses } - def getClause(clauseName: String, nodeList: Seq[Node]) = + def getClause(clauseName: String, nodeList: Seq[Node]): Node = getClauseOption(clauseName, nodeList).getOrElse(sys.error( s"Expected clause $clauseName missing from ${nodeList.map(dumpTree(_)).mkString("\n")}")) diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveStrategies.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveStrategies.scala index e63cea6045..5f7e897295 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveStrategies.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveStrategies.scala @@ -58,9 +58,9 @@ private[hive] trait HiveStrategies { @Experimental object ParquetConversion extends Strategy { implicit class LogicalPlanHacks(s: DataFrame) { - def lowerCase = DataFrame(s.sqlContext, s.logicalPlan) + def lowerCase: DataFrame = DataFrame(s.sqlContext, s.logicalPlan) - def addPartitioningAttributes(attrs: Seq[Attribute]) = { + def addPartitioningAttributes(attrs: Seq[Attribute]): DataFrame = { // Don't add the partitioning key if its already present in the data. if (attrs.map(_.name).toSet.subsetOf(s.logicalPlan.output.map(_.name).toSet)) { s @@ -75,7 +75,7 @@ private[hive] trait HiveStrategies { } implicit class PhysicalPlanHacks(originalPlan: SparkPlan) { - def fakeOutput(newOutput: Seq[Attribute]) = + def fakeOutput(newOutput: Seq[Attribute]): OutputFaker = OutputFaker( originalPlan.output.map(a => newOutput.find(a.name.toLowerCase == _.name.toLowerCase) diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala index f22c9eaeed..af309c0c6c 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala @@ -175,7 +175,7 @@ class HadoopTableReader( relation.partitionKeys.contains(attr) } - def fillPartitionKeys(rawPartValues: Array[String], row: MutableRow) = { + def fillPartitionKeys(rawPartValues: Array[String], row: MutableRow): Unit = { partitionKeyAttrs.foreach { case (attr, ordinal) => val partOrdinal = relation.partitionKeys.indexOf(attr) row(ordinal) = Cast(Literal(rawPartValues(partOrdinal)), attr.dataType).eval(null) diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/CreateTableAsSelect.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/CreateTableAsSelect.scala index a0c91cbc4e..fade9e5852 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/CreateTableAsSelect.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/CreateTableAsSelect.scala @@ -45,7 +45,7 @@ case class CreateTableAsSelect( allowExisting: Boolean, desc: Option[CreateTableDesc]) extends RunnableCommand { - override def run(sqlContext: SQLContext) = { + override def run(sqlContext: SQLContext): Seq[Row] = { val hiveContext = sqlContext.asInstanceOf[HiveContext] lazy val metastoreRelation: MetastoreRelation = { // Create Hive Table diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/DescribeHiveTableCommand.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/DescribeHiveTableCommand.scala index d0510aa342..6fce69b58b 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/DescribeHiveTableCommand.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/DescribeHiveTableCommand.scala @@ -37,7 +37,7 @@ case class DescribeHiveTableCommand( override val output: Seq[Attribute], isExtended: Boolean) extends RunnableCommand { - override def run(sqlContext: SQLContext) = { + override def run(sqlContext: SQLContext): Seq[Row] = { // Trying to mimic the format of Hive's output. But not exactly the same. var results: Seq[(String, String, String)] = Nil diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveNativeCommand.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveNativeCommand.scala index 9636da2060..60a9bb630d 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveNativeCommand.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveNativeCommand.scala @@ -26,9 +26,9 @@ import org.apache.spark.sql.types.StringType private[hive]
case class HiveNativeCommand(sql: String) extends RunnableCommand {
- override def output =
+ override def output: Seq[AttributeReference] =
Seq(AttributeReference("result", StringType, nullable = false)())
- override def run(sqlContext: SQLContext) =
+ override def run(sqlContext: SQLContext): Seq[Row] =
sqlContext.asInstanceOf[HiveContext].runSqlHive(sql).map(Row(_))
}
diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala index 5b3cf2861e..0a5f19eee7 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/HiveTableScan.scala @@ -26,6 +26,7 @@ import org.apache.hadoop.hive.serde2.objectinspector._ import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.ObjectInspectorCopyOption import org.apache.hadoop.hive.serde2.typeinfo.TypeInfoUtils +import org.apache.spark.rdd.RDD import org.apache.spark.sql.catalyst.expressions._ import org.apache.spark.sql.execution._ import org.apache.spark.sql.hive._ @@ -128,11 +129,11 @@ case class HiveTableScan( } } - override def execute() = if (!relation.hiveQlTable.isPartitioned) { + override def execute(): RDD[Row] = if (!relation.hiveQlTable.isPartitioned) { hadoopReader.makeRDDForTable(relation.hiveQlTable) } else { hadoopReader.makeRDDForPartitionedTable(prunePartitions(relation.hiveQlPartitions)) } - override def output = attributes + override def output: Seq[Attribute] = attributes } diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala index ba5c8e028a..da53d30354 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/InsertIntoHiveTable.scala @@ -33,7 +33,7 @@ import org.apache.hadoop.hive.serde2.objectinspector._ import org.apache.hadoop.mapred.{FileOutputCommitter, FileOutputFormat, JobConf} import org.apache.spark.rdd.RDD -import org.apache.spark.sql.catalyst.expressions.Row +import org.apache.spark.sql.catalyst.expressions.{Attribute, Row} import org.apache.spark.sql.execution.{UnaryNode, SparkPlan} import org.apache.spark.sql.hive._ import org.apache.spark.sql.hive.{ ShimFileSinkDesc => FileSinkDesc} @@ -58,7 +58,7 @@ case class InsertIntoHiveTable( serializer } - def output = child.output + def output: Seq[Attribute] = child.output def saveAsHiveFile( rdd: RDD[Row], diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformation.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformation.scala index 0c9aee3398..8efed7f029 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformation.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/ScriptTransformation.scala @@ -27,6 +27,7 @@ import org.apache.hadoop.hive.serde.serdeConstants import org.apache.hadoop.hive.serde2.AbstractSerDe import org.apache.hadoop.hive.serde2.objectinspector._ +import org.apache.spark.rdd.RDD import org.apache.spark.sql.catalyst.expressions._ import org.apache.spark.sql.catalyst.plans.logical.ScriptInputOutputSchema import org.apache.spark.sql.execution._ @@ -51,9 +52,9 @@ case class ScriptTransformation( ioschema: HiveScriptIOSchema)(@transient sc: HiveContext) extends UnaryNode { - override def otherCopyArgs = sc :: Nil + override def otherCopyArgs: Seq[HiveContext] = sc :: Nil - def execute() = { + def execute(): RDD[Row] = { child.execute().mapPartitions { iter => val cmd = List("/bin/bash", "-c", script) val builder = new ProcessBuilder(cmd) diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/commands.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/commands.scala index 63ad145a6a..4345ffbf30 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/commands.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/commands.scala @@ -38,7 +38,7 @@ import org.apache.spark.sql.types.StructType private[hive] case class AnalyzeTable(tableName: String) extends RunnableCommand { - override def run(sqlContext: SQLContext) = { + override def run(sqlContext: SQLContext): Seq[Row] = { sqlContext.asInstanceOf[HiveContext].analyze(tableName) Seq.empty[Row] } @@ -52,7 +52,7 @@ case class DropTable( tableName: String, ifExists: Boolean) extends RunnableCommand { - override def run(sqlContext: SQLContext) = { + override def run(sqlContext: SQLContext): Seq[Row] = { val hiveContext = sqlContext.asInstanceOf[HiveContext] val ifExistsClause = if (ifExists) "IF EXISTS " else "" try { @@ -75,7 +75,7 @@ case class DropTable( private[hive] case class AddJar(path: String) extends RunnableCommand { - override def run(sqlContext: SQLContext) = { + override def run(sqlContext: SQLContext): Seq[Row] = { val hiveContext = sqlContext.asInstanceOf[HiveContext] hiveContext.runSqlHive(s"ADD JAR $path") hiveContext.sparkContext.addJar(path) @@ -86,7 +86,7 @@ case class AddJar(path: String) extends RunnableCommand { private[hive] case class AddFile(path: String) extends RunnableCommand { - override def run(sqlContext: SQLContext) = { + override def run(sqlContext: SQLContext): Seq[Row] = { val hiveContext = sqlContext.asInstanceOf[HiveContext] hiveContext.runSqlHive(s"ADD FILE $path") hiveContext.sparkContext.addFile(path) diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala index 4a702d9656..bfe43373d9 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveUdfs.scala @@ -45,7 +45,7 @@ import scala.collection.JavaConversions._ private[hive] abstract class HiveFunctionRegistry extends analysis.FunctionRegistry with HiveInspectors { - def getFunctionInfo(name: String) = FunctionRegistry.getFunctionInfo(name) + def getFunctionInfo(name: String): FunctionInfo = FunctionRegistry.getFunctionInfo(name) def lookupFunction(name: String, children: Seq[Expression]): Expression = { // We only look it up to see if it exists, but do not include it in the HiveUDF since it is @@ -78,7 +78,7 @@ private[hive] case class HiveSimpleUdf(funcWrapper: HiveFunctionWrapper, childre type EvaluatedType = Any type UDFType = UDF - def nullable = true + override def nullable: Boolean = true @transient lazy val function = funcWrapper.createFunction[UDFType]() @@ -96,7 +96,7 @@ private[hive] case class HiveSimpleUdf(funcWrapper: HiveFunctionWrapper, childre udfType != null && udfType.deterministic() } - override def foldable = isUDFDeterministic && children.forall(_.foldable) + override def foldable: Boolean = isUDFDeterministic && children.forall(_.foldable) // Create parameter converters @transient @@ -110,7 +110,7 @@ private[hive] case class HiveSimpleUdf(funcWrapper: HiveFunctionWrapper, childre method.getGenericReturnType(), ObjectInspectorOptions.JAVA) @transient - protected lazy val cached = new Array[AnyRef](children.length) + protected lazy val cached: Array[AnyRef] = new Array[AnyRef](children.length) // TODO: Finish input output types. override def eval(input: Row): Any = { @@ -120,17 +120,19 @@ private[hive] case class HiveSimpleUdf(funcWrapper: HiveFunctionWrapper, childre returnInspector) } - override def toString = s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + override def toString: String = { + s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + } } // Adapter from Catalyst ExpressionResult to Hive DeferredObject private[hive] class DeferredObjectAdapter(oi: ObjectInspector) extends DeferredObject with HiveInspectors { private var func: () => Any = _ - def set(func: () => Any) { + def set(func: () => Any): Unit = { this.func = func } - override def prepare(i: Int) = {} + override def prepare(i: Int): Unit = {} override def get(): AnyRef = wrap(func(), oi) } @@ -139,7 +141,7 @@ private[hive] case class HiveGenericUdf(funcWrapper: HiveFunctionWrapper, childr type UDFType = GenericUDF type EvaluatedType = Any - def nullable = true + override def nullable: Boolean = true @transient lazy val function = funcWrapper.createFunction[UDFType]() @@ -158,7 +160,7 @@ private[hive] case class HiveGenericUdf(funcWrapper: HiveFunctionWrapper, childr (udfType != null && udfType.deterministic()) } - override def foldable = + override def foldable: Boolean = isUDFDeterministic && returnInspector.isInstanceOf[ConstantObjectInspector] @transient @@ -182,7 +184,9 @@ private[hive] case class HiveGenericUdf(funcWrapper: HiveFunctionWrapper, childr unwrap(function.evaluate(deferedObjects), returnInspector) } - override def toString = s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + override def toString: String = { + s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + } } private[hive] case class HiveGenericUdaf( @@ -209,9 +213,11 @@ private[hive] case class HiveGenericUdaf( def nullable: Boolean = true - override def toString = s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + override def toString: String = { + s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + } - def newInstance() = new HiveUdafFunction(funcWrapper, children, this) + def newInstance(): HiveUdafFunction = new HiveUdafFunction(funcWrapper, children, this) } /** It is used as a wrapper for the hive functions which uses UDAF interface */ @@ -240,10 +246,11 @@ private[hive] case class HiveUdaf( def nullable: Boolean = true - override def toString = s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + override def toString: String = { + s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + } - def newInstance() = - new HiveUdafFunction(funcWrapper, children, this, true) + def newInstance(): HiveUdafFunction = new HiveUdafFunction(funcWrapper, children, this, true) } /** @@ -314,21 +321,23 @@ private[hive] case class HiveGenericUdtf( collected += unwrap(input, outputInspector).asInstanceOf[Row] } - def collectRows() = { + def collectRows(): Seq[Row] = { val toCollect = collected collected = new ArrayBuffer[Row] toCollect } } - override def toString = s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + override def toString: String = { + s"$nodeName#${funcWrapper.functionClassName}(${children.mkString(",")})" + } } /** * Resolve Udtfs Alias. */ private[spark] object ResolveUdtfsAlias extends Rule[LogicalPlan] { - def apply(plan: LogicalPlan) = plan transform { + def apply(plan: LogicalPlan): LogicalPlan = plan transform { case p @ Project(projectList, _) if projectList.exists(_.isInstanceOf[MultiAlias]) && projectList.size != 1 => throw new TreeNodeException(p, "only single Generator supported for SELECT clause") diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveWriterContainers.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveWriterContainers.scala index f136e43acc..ba2bf67aed 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveWriterContainers.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/hiveWriterContainers.scala @@ -222,7 +222,7 @@ private[spark] class SparkHiveDynamicPartitionWriterContainer( s"/$col=$colString" }.mkString - def newWriter = { + def newWriter(): FileSinkOperator.RecordWriter = { val newFileSinkDesc = new FileSinkDesc( fileSinkConf.getDirName + dynamicPartPath, fileSinkConf.getTableInfo, @@ -246,6 +246,6 @@ private[spark] class SparkHiveDynamicPartitionWriterContainer( Reporter.NULL) } - writers.getOrElseUpdate(dynamicPartPath, newWriter) + writers.getOrElseUpdate(dynamicPartPath, newWriter()) } } diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala index b4aee78046..dc61e9d2e3 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/test/TestHive.scala @@ -155,8 +155,8 @@ class TestHiveContext(sc: SparkContext) extends HiveContext(sc) { protected[hive] class HiveQLQueryExecution(hql: String) extends this.QueryExecution(HiveQl.parseSql(hql)) { - def hiveExec() = runSqlHive(hql) - override def toString = hql + "\n" + super.toString + def hiveExec(): Seq[String] = runSqlHive(hql) + override def toString: String = hql + "\n" + super.toString } /** @@ -186,7 +186,9 @@ class TestHiveContext(sc: SparkContext) extends HiveContext(sc) { case class TestTable(name: String, commands: (()=>Unit)*) protected[hive] implicit class SqlCmd(sql: String) { - def cmd = () => new HiveQLQueryExecution(sql).stringResult(): Unit + def cmd: () => Unit = { + () => new HiveQLQueryExecution(sql).stringResult(): Unit + } } /** @@ -194,7 +196,10 @@ class TestHiveContext(sc: SparkContext) extends HiveContext(sc) { * demand when a query are run against it. */ lazy val testTables = new mutable.HashMap[String, TestTable]() - def registerTestTable(testTable: TestTable) = testTables += (testTable.name -> testTable) + + def registerTestTable(testTable: TestTable): Unit = { + testTables += (testTable.name -> testTable) + } // The test tables that are defined in the Hive QTestUtil. // /itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java |