diff options
9 files changed, 1088 insertions, 7 deletions
diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala index 42b5d41b7b..8a0327984e 100644 --- a/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala +++ b/core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala @@ -701,7 +701,7 @@ object SparkSubmit { } /** Provides utility functions to be used inside SparkSubmit. */ -private[deploy] object SparkSubmitUtils { +private[spark] object SparkSubmitUtils { // Exposed for testing var printStream = SparkSubmit.printStream diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala index b2f8157a1a..18c24b6519 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Catalog.scala @@ -27,6 +27,8 @@ import org.apache.spark.sql.catalyst.plans.logical.{LogicalPlan, Subquery} */ class NoSuchTableException extends Exception +class NoSuchDatabaseException extends Exception + /** * An interface for looking up relations by name. Used by an [[Analyzer]]. */ diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/package.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/package.scala index c86214a2aa..9d613a940e 100644 --- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/package.scala +++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/package.scala @@ -17,12 +17,31 @@ package org.apache.spark.sql.catalyst -import java.io.{PrintWriter, ByteArrayOutputStream, FileInputStream, File} +import java.io._ import org.apache.spark.util.Utils package object util { + /** Silences output to stderr or stdout for the duration of f */ + def quietly[A](f: => A): A = { + val origErr = System.err + val origOut = System.out + try { + System.setErr(new PrintStream(new OutputStream { + def write(b: Int) = {} + })) + System.setOut(new PrintStream(new OutputStream { + def write(b: Int) = {} + })) + + f + } finally { + System.setErr(origErr) + System.setOut(origOut) + } + } + def fileToString(file: File, encoding: String = "UTF-8"): String = { val inStream = new FileInputStream(file) val outStream = new ByteArrayOutputStream @@ -42,10 +61,9 @@ package object util { new String(outStream.toByteArray, encoding) } - def resourceToString( - resource:String, - encoding: String = "UTF-8", - classLoader: ClassLoader = Utils.getSparkClassLoader): String = { + def resourceToBytes( + resource: String, + classLoader: ClassLoader = Utils.getSparkClassLoader): Array[Byte] = { val inStream = classLoader.getResourceAsStream(resource) val outStream = new ByteArrayOutputStream try { @@ -61,7 +79,14 @@ package object util { finally { inStream.close() } - new String(outStream.toByteArray, encoding) + outStream.toByteArray + } + + def resourceToString( + resource:String, + encoding: String = "UTF-8", + classLoader: ClassLoader = Utils.getSparkClassLoader): String = { + new String(resourceToBytes(resource, classLoader), encoding) } def stringToFile(file: File, str: String): File = { diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientInterface.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientInterface.scala new file mode 100644 index 0000000000..a863aa77cb --- /dev/null +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientInterface.scala @@ -0,0 +1,149 @@ +/* + * 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.spark.sql.hive.client + +import org.apache.spark.sql.catalyst.analysis.{NoSuchDatabaseException, NoSuchTableException} + +case class HiveDatabase( + name: String, + location: String) + +abstract class TableType { val name: String } +case object ExternalTable extends TableType { override val name = "EXTERNAL_TABLE" } +case object IndexTable extends TableType { override val name = "INDEX_TABLE" } +case object ManagedTable extends TableType { override val name = "MANAGED_TABLE" } +case object VirtualView extends TableType { override val name = "VIRTUAL_VIEW" } + +case class HiveStorageDescriptor( + location: String, + inputFormat: String, + outputFormat: String, + serde: String) + +case class HivePartition( + values: Seq[String], + storage: HiveStorageDescriptor) + +case class HiveColumn(name: String, hiveType: String, comment: String) +case class HiveTable( + specifiedDatabase: Option[String], + name: String, + schema: Seq[HiveColumn], + partitionColumns: Seq[HiveColumn], + properties: Map[String, String], + serdeProperties: Map[String, String], + tableType: TableType, + location: Option[String] = None, + inputFormat: Option[String] = None, + outputFormat: Option[String] = None, + serde: Option[String] = None) { + + @transient + private[client] var client: ClientInterface = _ + + private[client] def withClient(ci: ClientInterface): this.type = { + client = ci + this + } + + def database: String = specifiedDatabase.getOrElse(sys.error("database not resolved")) + + def isPartitioned: Boolean = partitionColumns.nonEmpty + + def getAllPartitions: Seq[HivePartition] = client.getAllPartitions(this) + + // Hive does not support backticks when passing names to the client. + def qualifiedName: String = s"$database.$name" +} + +/** + * An externally visible interface to the Hive client. This interface is shared across both the + * internal and external classloaders for a given version of Hive and thus must expose only + * shared classes. + */ +trait ClientInterface { + /** + * Runs a HiveQL command using Hive, returning the results as a list of strings. Each row will + * result in one string. + */ + def runSqlHive(sql: String): Seq[String] + + /** Returns the names of all tables in the given database. */ + def listTables(dbName: String): Seq[String] + + /** Returns the name of the active database. */ + def currentDatabase: String + + /** Returns the metadata for specified database, throwing an exception if it doesn't exist */ + def getDatabase(name: String): HiveDatabase = { + getDatabaseOption(name).getOrElse(throw new NoSuchDatabaseException) + } + + /** Returns the metadata for a given database, or None if it doesn't exist. */ + def getDatabaseOption(name: String): Option[HiveDatabase] + + /** Returns the specified table, or throws [[NoSuchTableException]]. */ + def getTable(dbName: String, tableName: String): HiveTable = { + getTableOption(dbName, tableName).getOrElse(throw new NoSuchTableException) + } + + /** Returns the metadata for the specified table or None if it doens't exist. */ + def getTableOption(dbName: String, tableName: String): Option[HiveTable] + + /** Creates a table with the given metadata. */ + def createTable(table: HiveTable): Unit + + /** Updates the given table with new metadata. */ + def alterTable(table: HiveTable): Unit + + /** Creates a new database with the given name. */ + def createDatabase(database: HiveDatabase): Unit + + /** Returns all partitions for the given table. */ + def getAllPartitions(hTable: HiveTable): Seq[HivePartition] + + /** Loads a static partition into an existing table. */ + def loadPartition( + loadPath: String, + tableName: String, + partSpec: java.util.LinkedHashMap[String, String], // Hive relies on LinkedHashMap ordering + replace: Boolean, + holdDDLTime: Boolean, + inheritTableSpecs: Boolean, + isSkewedStoreAsSubdir: Boolean): Unit + + /** Loads data into an existing table. */ + def loadTable( + loadPath: String, // TODO URI + tableName: String, + replace: Boolean, + holdDDLTime: Boolean): Unit + + /** Loads new dynamic partitions into an existing table. */ + def loadDynamicPartitions( + loadPath: String, + tableName: String, + partSpec: java.util.LinkedHashMap[String, String], // Hive relies on LinkedHashMap ordering + replace: Boolean, + numDP: Int, + holdDDLTime: Boolean, + listBucketingEnabled: Boolean): Unit + + /** Used for testing only. Removes all metadata from this instance of Hive. */ + def reset(): Unit +} diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientWrapper.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientWrapper.scala new file mode 100644 index 0000000000..ea52fea037 --- /dev/null +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ClientWrapper.scala @@ -0,0 +1,395 @@ +/* + * 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.spark.sql.hive.client + +import java.io.{BufferedReader, InputStreamReader, File, PrintStream} +import java.net.URI +import java.util.{ArrayList => JArrayList} + +import scala.collection.JavaConversions._ +import scala.language.reflectiveCalls + +import org.apache.hadoop.fs.Path +import org.apache.hadoop.hive.metastore.api.Database +import org.apache.hadoop.hive.conf.HiveConf +import org.apache.hadoop.hive.metastore.api +import org.apache.hadoop.hive.metastore.api.FieldSchema +import org.apache.hadoop.hive.ql.metadata +import org.apache.hadoop.hive.ql.metadata.Hive +import org.apache.hadoop.hive.ql.session.SessionState +import org.apache.hadoop.hive.ql.processors._ +import org.apache.hadoop.hive.ql.Driver + +import org.apache.spark.Logging +import org.apache.spark.sql.execution.QueryExecutionException + + +/** + * A class that wraps the HiveClient and converts its responses to externally visible classes. + * Note that this class is typically loaded with an internal classloader for each instantiation, + * allowing it to interact directly with a specific isolated version of Hive. Loading this class + * with the isolated classloader however will result in it only being visible as a ClientInterface, + * not a ClientWrapper. + * + * This class needs to interact with multiple versions of Hive, but will always be compiled with + * the 'native', execution version of Hive. Therefore, any places where hive breaks compatibility + * must use reflection after matching on `version`. + * + * @param version the version of hive used when pick function calls that are not compatible. + * @param config a collection of configuration options that will be added to the hive conf before + * opening the hive client. + */ +class ClientWrapper( + version: HiveVersion, + config: Map[String, String]) + extends ClientInterface + with Logging + with ReflectionMagic { + + private val conf = new HiveConf(classOf[SessionState]) + config.foreach { case (k, v) => + logDebug(s"Hive Config: $k=$v") + conf.set(k, v) + } + + // Circular buffer to hold what hive prints to STDOUT and ERR. Only printed when failures occur. + private val outputBuffer = new java.io.OutputStream { + var pos: Int = 0 + var buffer = new Array[Int](10240) + def write(i: Int): Unit = { + buffer(pos) = i + pos = (pos + 1) % buffer.size + } + + override def toString: String = { + val (end, start) = buffer.splitAt(pos) + val input = new java.io.InputStream { + val iterator = (start ++ end).iterator + + def read(): Int = if (iterator.hasNext) iterator.next() else -1 + } + val reader = new BufferedReader(new InputStreamReader(input)) + val stringBuilder = new StringBuilder + var line = reader.readLine() + while(line != null) { + stringBuilder.append(line) + stringBuilder.append("\n") + line = reader.readLine() + } + stringBuilder.toString() + } + } + + val state = { + val original = Thread.currentThread().getContextClassLoader + Thread.currentThread().setContextClassLoader(getClass.getClassLoader) + val ret = try { + val newState = new SessionState(conf) + SessionState.start(newState) + newState.out = new PrintStream(outputBuffer, true, "UTF-8") + newState.err = new PrintStream(outputBuffer, true, "UTF-8") + newState + } finally { + Thread.currentThread().setContextClassLoader(original) + } + ret + } + + private val client = Hive.get(conf) + + /** + * Runs `f` with ThreadLocal session state and classloaders configured for this version of hive. + */ + private def withHiveState[A](f: => A): A = synchronized { + val original = Thread.currentThread().getContextClassLoader + Thread.currentThread().setContextClassLoader(getClass.getClassLoader) + Hive.set(client) + version match { + case hive.v12 => + classOf[SessionState] + .callStatic[SessionState, SessionState]("start", state) + case hive.v13 => + classOf[SessionState] + .callStatic[SessionState, SessionState]("setCurrentSessionState", state) + } + val ret = try f finally { + Thread.currentThread().setContextClassLoader(original) + } + ret + } + + override def currentDatabase: String = withHiveState { + state.getCurrentDatabase + } + + override def createDatabase(database: HiveDatabase): Unit = withHiveState { + client.createDatabase( + new Database( + database.name, + "", + new File(database.location).toURI.toString, + new java.util.HashMap), + true) + } + + override def getDatabaseOption(name: String): Option[HiveDatabase] = withHiveState { + Option(client.getDatabase(name)).map { d => + HiveDatabase( + name = d.getName, + location = d.getLocationUri) + } + } + + override def getTableOption( + dbName: String, + tableName: String): Option[HiveTable] = withHiveState { + + logDebug(s"Looking up $dbName.$tableName") + + val hiveTable = Option(client.getTable(dbName, tableName, false)) + val converted = hiveTable.map { h => + + HiveTable( + name = h.getTableName, + specifiedDatabase = Option(h.getDbName), + schema = h.getCols.map(f => HiveColumn(f.getName, f.getType, f.getComment)), + partitionColumns = h.getPartCols.map(f => HiveColumn(f.getName, f.getType, f.getComment)), + properties = h.getParameters.toMap, + serdeProperties = h.getTTable.getSd.getSerdeInfo.getParameters.toMap, + tableType = ManagedTable, // TODO + location = version match { + case hive.v12 => Option(h.call[URI]("getDataLocation")).map(_.toString) + case hive.v13 => Option(h.call[Path]("getDataLocation")).map(_.toString) + }, + inputFormat = Option(h.getInputFormatClass).map(_.getName), + outputFormat = Option(h.getOutputFormatClass).map(_.getName), + serde = Option(h.getSerializationLib)).withClient(this) + } + converted + } + + private def toInputFormat(name: String) = + Class.forName(name).asInstanceOf[Class[_ <: org.apache.hadoop.mapred.InputFormat[_, _]]] + + private def toOutputFormat(name: String) = + Class.forName(name) + .asInstanceOf[Class[_ <: org.apache.hadoop.hive.ql.io.HiveOutputFormat[_, _]]] + + private def toQlTable(table: HiveTable): metadata.Table = { + val qlTable = new metadata.Table(table.database, table.name) + + qlTable.setFields(table.schema.map(c => new FieldSchema(c.name, c.hiveType, c.comment))) + qlTable.setPartCols( + table.partitionColumns.map(c => new FieldSchema(c.name, c.hiveType, c.comment))) + table.properties.foreach { case (k, v) => qlTable.setProperty(k, v) } + table.serdeProperties.foreach { case (k, v) => qlTable.setSerdeParam(k, v) } + version match { + case hive.v12 => + table.location.map(new URI(_)).foreach(u => qlTable.call[URI, Unit]("setDataLocation", u)) + case hive.v13 => + table.location + .map(new org.apache.hadoop.fs.Path(_)) + .foreach(qlTable.call[Path, Unit]("setDataLocation", _)) + } + table.inputFormat.map(toInputFormat).foreach(qlTable.setInputFormatClass) + table.outputFormat.map(toOutputFormat).foreach(qlTable.setOutputFormatClass) + table.serde.foreach(qlTable.setSerializationLib) + + qlTable + } + + override def createTable(table: HiveTable): Unit = withHiveState { + val qlTable = toQlTable(table) + client.createTable(qlTable) + } + + override def alterTable(table: HiveTable): Unit = withHiveState { + val qlTable = toQlTable(table) + client.alterTable(table.qualifiedName, qlTable) + } + + override def getAllPartitions(hTable: HiveTable): Seq[HivePartition] = withHiveState { + val qlTable = toQlTable(hTable) + val qlPartitions = version match { + case hive.v12 => + client.call[metadata.Table, Set[metadata.Partition]]("getAllPartitionsForPruner", qlTable) + case hive.v13 => + client.call[metadata.Table, Set[metadata.Partition]]("getAllPartitionsOf", qlTable) + } + qlPartitions.map(_.getTPartition).map { p => + HivePartition( + values = Option(p.getValues).map(_.toSeq).getOrElse(Seq.empty), + storage = HiveStorageDescriptor( + location = p.getSd.getLocation, + inputFormat = p.getSd.getInputFormat, + outputFormat = p.getSd.getOutputFormat, + serde = p.getSd.getSerdeInfo.getSerializationLib)) + }.toSeq + } + + override def listTables(dbName: String): Seq[String] = withHiveState { + client.getAllTables + } + + /** + * Runs the specified SQL query using Hive. + */ + override def runSqlHive(sql: String): Seq[String] = { + val maxResults = 100000 + val results = runHive(sql, maxResults) + // It is very confusing when you only get back some of the results... + if (results.size == maxResults) sys.error("RESULTS POSSIBLY TRUNCATED") + results + } + + /** + * Execute the command using Hive and return the results as a sequence. Each element + * in the sequence is one row. + */ + protected def runHive(cmd: String, maxRows: Int = 1000): Seq[String] = withHiveState { + logDebug(s"Running hiveql '$cmd'") + if (cmd.toLowerCase.startsWith("set")) { logDebug(s"Changing config: $cmd") } + try { + val cmd_trimmed: String = cmd.trim() + val tokens: Array[String] = cmd_trimmed.split("\\s+") + val cmd_1: String = cmd_trimmed.substring(tokens(0).length()).trim() + val proc: CommandProcessor = version match { + case hive.v12 => + classOf[CommandProcessorFactory] + .callStatic[String, HiveConf, CommandProcessor]("get", cmd_1, conf) + case hive.v13 => + classOf[CommandProcessorFactory] + .callStatic[Array[String], HiveConf, CommandProcessor]("get", Array(tokens(0)), conf) + } + + proc match { + case driver: Driver => + val response: CommandProcessorResponse = driver.run(cmd) + // Throw an exception if there is an error in query processing. + if (response.getResponseCode != 0) { + driver.close() + throw new QueryExecutionException(response.getErrorMessage) + } + driver.setMaxRows(maxRows) + + val results = version match { + case hive.v12 => + val res = new JArrayList[String] + driver.call[JArrayList[String], Boolean]("getResults", res) + res.toSeq + case hive.v13 => + val res = new JArrayList[Object] + driver.call[JArrayList[Object], Boolean]("getResults", res) + res.map { r => + r match { + case s: String => s + case a: Array[Object] => a(0).asInstanceOf[String] + } + } + } + driver.close() + results + + case _ => + if (state.out != null) { + state.out.println(tokens(0) + " " + cmd_1) + } + Seq(proc.run(cmd_1).getResponseCode.toString) + } + } catch { + case e: Exception => + logError( + s""" + |====================== + |HIVE FAILURE OUTPUT + |====================== + |${outputBuffer.toString} + |====================== + |END HIVE FAILURE OUTPUT + |====================== + """.stripMargin) + throw e + } + } + + def loadPartition( + loadPath: String, + tableName: String, + partSpec: java.util.LinkedHashMap[String, String], + replace: Boolean, + holdDDLTime: Boolean, + inheritTableSpecs: Boolean, + isSkewedStoreAsSubdir: Boolean): Unit = withHiveState { + + client.loadPartition( + new Path(loadPath), // TODO: Use URI + tableName, + partSpec, + replace, + holdDDLTime, + inheritTableSpecs, + isSkewedStoreAsSubdir) + } + + def loadTable( + loadPath: String, // TODO URI + tableName: String, + replace: Boolean, + holdDDLTime: Boolean): Unit = withHiveState { + client.loadTable( + new Path(loadPath), + tableName, + replace, + holdDDLTime) + } + + def loadDynamicPartitions( + loadPath: String, + tableName: String, + partSpec: java.util.LinkedHashMap[String, String], + replace: Boolean, + numDP: Int, + holdDDLTime: Boolean, + listBucketingEnabled: Boolean): Unit = withHiveState { + client.loadDynamicPartitions( + new Path(loadPath), + tableName, + partSpec, + replace, + numDP, + holdDDLTime, + listBucketingEnabled) + } + + def reset(): Unit = withHiveState { + client.getAllTables("default").foreach { t => + logDebug(s"Deleting table $t") + val table = client.getTable("default", t) + client.getIndexes("default", t, 255).foreach { index => + client.dropIndex("default", t, index.getIndexName, true) + } + if (!table.isIndexTable) { + client.dropTable("default", t) + } + } + client.getAllDatabases.filterNot(_ == "default").foreach { db => + logDebug(s"Dropping Database: $db") + client.dropDatabase(db, true, false, true) + } + } +} diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala new file mode 100644 index 0000000000..710dbca6e3 --- /dev/null +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala @@ -0,0 +1,172 @@ +/* + * 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.spark.sql.hive.client + +import java.io.File +import java.net.URLClassLoader +import java.util + +import scala.language.reflectiveCalls +import scala.util.Try + +import org.apache.commons.io.{FileUtils, IOUtils} + +import org.apache.spark.Logging +import org.apache.spark.deploy.SparkSubmitUtils + +import org.apache.spark.sql.catalyst.util.quietly + +/** Factory for `IsolatedClientLoader` with specific versions of hive. */ +object IsolatedClientLoader { + /** + * Creates isolated Hive client loaders by downloading the requested version from maven. + */ + def forVersion( + version: String, + config: Map[String, String] = Map.empty): IsolatedClientLoader = synchronized { + val resolvedVersion = hiveVersion(version) + val files = resolvedVersions.getOrElseUpdate(resolvedVersion, downloadVersion(resolvedVersion)) + new IsolatedClientLoader(hiveVersion(version), files, config) + } + + def hiveVersion(version: String): HiveVersion = version match { + case "12" | "0.12" | "0.12.0" => hive.v12 + case "13" | "0.13" | "0.13.0" | "0.13.1" => hive.v13 + } + + private def downloadVersion(version: HiveVersion): Seq[File] = { + val hiveArtifacts = + (Seq("hive-metastore", "hive-exec", "hive-common", "hive-serde") ++ + (if (version.hasBuiltinsJar) "hive-builtins" :: Nil else Nil)) + .map(a => s"org.apache.hive:$a:${version.fullVersion}") :+ + "com.google.guava:guava:14.0.1" :+ + "org.apache.hadoop:hadoop-client:2.4.0" :+ + "mysql:mysql-connector-java:5.1.12" + + val classpath = quietly { + SparkSubmitUtils.resolveMavenCoordinates( + hiveArtifacts.mkString(","), + Some("http://www.datanucleus.org/downloads/maven2"), + None) + } + val allFiles = classpath.split(",").map(new File(_)).toSet + + // TODO: Remove copy logic. + val tempDir = File.createTempFile("hive", "v" + version.toString) + tempDir.delete() + tempDir.mkdir() + + allFiles.foreach(f => FileUtils.copyFileToDirectory(f, tempDir)) + tempDir.listFiles() + } + + private def resolvedVersions = new scala.collection.mutable.HashMap[HiveVersion, Seq[File]] +} + +/** + * Creates a Hive `ClientInterface` using a classloader that works according to the following rules: + * - Shared classes: Java, Scala, logging, and Spark classes are delegated to `baseClassLoader` + * allowing the results of calls to the `ClientInterface` to be visible externally. + * - Hive classes: new instances are loaded from `execJars`. These classes are not + * accessible externally due to their custom loading. + * - ClientWrapper: a new copy is created for each instance of `IsolatedClassLoader`. + * This new instance is able to see a specific version of hive without using reflection. Since + * this is a unique instance, it is not visible externally other than as a generic + * `ClientInterface`, unless `isolationOn` is set to `false`. + * + * @param version The version of hive on the classpath. used to pick specific function signatures + * that are not compatibile accross versions. + * @param execJars A collection of jar files that must include hive and hadoop. + * @param config A set of options that will be added to the HiveConf of the constructed client. + * @param isolationOn When true, custom versions of barrier classes will be constructed. Must be + * true unless loading the version of hive that is on Sparks classloader. + * @param rootClassLoader The system root classloader. Must not know about hive classes. + * @param baseClassLoader The spark classloader that is used to load shared classes. + * + */ +class IsolatedClientLoader( + val version: HiveVersion, + val execJars: Seq[File] = Seq.empty, + val config: Map[String, String] = Map.empty, + val isolationOn: Boolean = true, + val rootClassLoader: ClassLoader = ClassLoader.getSystemClassLoader.getParent.getParent, + val baseClassLoader: ClassLoader = Thread.currentThread().getContextClassLoader) + extends Logging { + + // Check to make sure that the root classloader does not know about Hive. + assert(Try(baseClassLoader.loadClass("org.apache.hive.HiveConf")).isFailure) + + /** All jars used by the hive specific classloader. */ + protected def allJars = execJars.map(_.toURI.toURL).toArray + + protected def isSharedClass(name: String): Boolean = + name.contains("slf4j") || + name.contains("log4j") || + name.startsWith("org.apache.spark.") || + name.startsWith("scala.") || + name.startsWith("com.google") || + name.startsWith("java.lang.") || + name.startsWith("java.net") + + /** True if `name` refers to a spark class that must see specific version of Hive. */ + protected def isBarrierClass(name: String): Boolean = + name.startsWith("org.apache.spark.sql.hive.execution.PairSerDe") || + name.startsWith(classOf[ClientWrapper].getName) || + name.startsWith(classOf[ReflectionMagic].getName) + + protected def classToPath(name: String): String = + name.replaceAll("\\.", "/") + ".class" + + /** The classloader that is used to load an isolated version of Hive. */ + protected val classLoader: ClassLoader = new URLClassLoader(allJars, rootClassLoader) { + override def loadClass(name: String, resolve: Boolean): Class[_] = { + val loaded = findLoadedClass(name) + if (loaded == null) doLoadClass(name, resolve) else loaded + } + + def doLoadClass(name: String, resolve: Boolean): Class[_] = { + val classFileName = name.replaceAll("\\.", "/") + ".class" + if (isBarrierClass(name) && isolationOn) { + val bytes = IOUtils.toByteArray(baseClassLoader.getResourceAsStream(classFileName)) + logDebug(s"custom defining: $name - ${util.Arrays.hashCode(bytes)}") + defineClass(name, bytes, 0, bytes.length) + } else if (!isSharedClass(name)) { + logDebug(s"hive class: $name - ${getResource(classToPath(name))}") + super.loadClass(name, resolve) + } else { + logDebug(s"shared class: $name") + baseClassLoader.loadClass(name) + } + } + } + + // Pre-reflective instantiation setup. + logDebug("Initializing the logger to avoid disaster...") + Thread.currentThread.setContextClassLoader(classLoader) + + /** The isolated client interface to Hive. */ + val client: ClientInterface = try { + classLoader + .loadClass(classOf[ClientWrapper].getName) + .getConstructors.head + .newInstance(version, config) + .asInstanceOf[ClientInterface] + } finally { + Thread.currentThread.setContextClassLoader(baseClassLoader) + } +} diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ReflectionMagic.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ReflectionMagic.scala new file mode 100644 index 0000000000..90d0304935 --- /dev/null +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/ReflectionMagic.scala @@ -0,0 +1,200 @@ +/* + * 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.spark.sql.hive.client + +import scala.reflect._ + +/** + * Provides implicit functions on any object for calling methods reflectively. + */ +protected trait ReflectionMagic { + /** code for InstanceMagic + println( + (1 to 22).map { n => + def repeat(str: String => String) = (1 to n).map(i => str(i.toString)).mkString(", ") + val types = repeat(n => s"A$n <: AnyRef : ClassTag") + val inArgs = repeat(n => s"a$n: A$n") + val erasure = repeat(n => s"classTag[A$n].erasure") + val outArgs = repeat(n => s"a$n") + s"""|def call[$types, R](name: String, $inArgs): R = { + | clazz.getMethod(name, $erasure).invoke(a, $outArgs).asInstanceOf[R] + |}""".stripMargin + }.mkString("\n") + ) + */ + + // scalastyle:off + protected implicit class InstanceMagic(a: Any) { + private val clazz = a.getClass + + def call[R](name: String): R = { + clazz.getMethod(name).invoke(a).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, R](name: String, a1: A1): R = { + clazz.getMethod(name, classTag[A1].erasure).invoke(a, a1).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure).invoke(a, a1, a2).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure).invoke(a, a1, a2, a3).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure).invoke(a, a1, a2, a3, a4).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure).invoke(a, a1, a2, a3, a4, a5).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure).invoke(a, a1, a2, a3, a4, a5, a6).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, A20 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19, a20: A20): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure, classTag[A20].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, A20 <: AnyRef : ClassTag, A21 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19, a20: A20, a21: A21): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure, classTag[A20].erasure, classTag[A21].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21).asInstanceOf[R] + } + def call[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, A20 <: AnyRef : ClassTag, A21 <: AnyRef : ClassTag, A22 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19, a20: A20, a21: A21, a22: A22): R = { + clazz.getMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure, classTag[A20].erasure, classTag[A21].erasure, classTag[A22].erasure).invoke(a, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22).asInstanceOf[R] + } + } + + /** code for StaticMagic + println( + (1 to 22).map { n => + def repeat(str: String => String) = (1 to n).map(i => str(i.toString)).mkString(", ") + val types = repeat(n => s"A$n <: AnyRef : ClassTag") + val inArgs = repeat(n => s"a$n: A$n") + val erasure = repeat(n => s"classTag[A$n].erasure") + val outArgs = repeat(n => s"a$n") + s"""|def callStatic[$types, R](name: String, $inArgs): R = { + | c.getDeclaredMethod(name, $erasure).invoke(c, $outArgs).asInstanceOf[R] + |}""".stripMargin + }.mkString("\n") + ) + */ + + protected implicit class StaticMagic(c: Class[_]) { + def callStatic[A1 <: AnyRef : ClassTag, R](name: String, a1: A1): R = { + c.getDeclaredMethod(name, classTag[A1].erasure).invoke(c, a1).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure).invoke(c, a1, a2).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure).invoke(c, a1, a2, a3).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure).invoke(c, a1, a2, a3, a4).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure).invoke(c, a1, a2, a3, a4, a5).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure).invoke(c, a1, a2, a3, a4, a5, a6).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, A20 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19, a20: A20): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure, classTag[A20].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, A20 <: AnyRef : ClassTag, A21 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19, a20: A20, a21: A21): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure, classTag[A20].erasure, classTag[A21].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21).asInstanceOf[R] + } + def callStatic[A1 <: AnyRef : ClassTag, A2 <: AnyRef : ClassTag, A3 <: AnyRef : ClassTag, A4 <: AnyRef : ClassTag, A5 <: AnyRef : ClassTag, A6 <: AnyRef : ClassTag, A7 <: AnyRef : ClassTag, A8 <: AnyRef : ClassTag, A9 <: AnyRef : ClassTag, A10 <: AnyRef : ClassTag, A11 <: AnyRef : ClassTag, A12 <: AnyRef : ClassTag, A13 <: AnyRef : ClassTag, A14 <: AnyRef : ClassTag, A15 <: AnyRef : ClassTag, A16 <: AnyRef : ClassTag, A17 <: AnyRef : ClassTag, A18 <: AnyRef : ClassTag, A19 <: AnyRef : ClassTag, A20 <: AnyRef : ClassTag, A21 <: AnyRef : ClassTag, A22 <: AnyRef : ClassTag, R](name: String, a1: A1, a2: A2, a3: A3, a4: A4, a5: A5, a6: A6, a7: A7, a8: A8, a9: A9, a10: A10, a11: A11, a12: A12, a13: A13, a14: A14, a15: A15, a16: A16, a17: A17, a18: A18, a19: A19, a20: A20, a21: A21, a22: A22): R = { + c.getDeclaredMethod(name, classTag[A1].erasure, classTag[A2].erasure, classTag[A3].erasure, classTag[A4].erasure, classTag[A5].erasure, classTag[A6].erasure, classTag[A7].erasure, classTag[A8].erasure, classTag[A9].erasure, classTag[A10].erasure, classTag[A11].erasure, classTag[A12].erasure, classTag[A13].erasure, classTag[A14].erasure, classTag[A15].erasure, classTag[A16].erasure, classTag[A17].erasure, classTag[A18].erasure, classTag[A19].erasure, classTag[A20].erasure, classTag[A21].erasure, classTag[A22].erasure).invoke(c, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20, a21, a22).asInstanceOf[R] + } + } + // scalastyle:on +} diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/package.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/package.scala new file mode 100644 index 0000000000..7db9200d47 --- /dev/null +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/package.scala @@ -0,0 +1,33 @@ +/* + * 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.spark.sql.hive + +/** Support for interacting with different versions of the HiveMetastoreClient */ +package object client { + private[client] abstract class HiveVersion(val fullVersion: String, val hasBuiltinsJar: Boolean) + + // scalastyle:off + private[client] object hive { + case object v10 extends HiveVersion("0.10.0", true) + case object v11 extends HiveVersion("0.11.0", false) + case object v12 extends HiveVersion("0.12.0", false) + case object v13 extends HiveVersion("0.13.1", false) + } + // scalastyle:on + +}
\ No newline at end of file diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/client/VersionsSuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/client/VersionsSuite.scala new file mode 100644 index 0000000000..81e77ba257 --- /dev/null +++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/client/VersionsSuite.scala @@ -0,0 +1,105 @@ +/* + * 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.spark.sql.hive.client + +import org.apache.spark.Logging +import org.apache.spark.sql.catalyst.util.quietly +import org.apache.spark.util.Utils +import org.scalatest.FunSuite + +class VersionsSuite extends FunSuite with Logging { + val testType = "derby" + + private def buildConf() = { + lazy val warehousePath = Utils.createTempDir() + lazy val metastorePath = Utils.createTempDir() + metastorePath.delete() + Map( + "javax.jdo.option.ConnectionURL" -> s"jdbc:derby:;databaseName=$metastorePath;create=true", + "hive.metastore.warehouse.dir" -> warehousePath.toString) + } + + test("success sanity check") { + val badClient = IsolatedClientLoader.forVersion("13", buildConf()).client + val db = new HiveDatabase("default", "") + badClient.createDatabase(db) + } + + private def getNestedMessages(e: Throwable): String = { + var causes = "" + var lastException = e + while (lastException != null) { + causes += lastException.toString + "\n" + lastException = lastException.getCause + } + causes + } + + // Its actually pretty easy to mess things up and have all of your tests "pass" by accidentally + // connecting to an auto-populated, in-process metastore. Let's make sure we are getting the + // versions right by forcing a known compatibility failure. + // TODO: currently only works on mysql where we manually create the schema... + ignore("failure sanity check") { + val e = intercept[Throwable] { + val badClient = quietly { IsolatedClientLoader.forVersion("13", buildConf()).client } + } + assert(getNestedMessages(e) contains "Unknown column 'A0.OWNER_NAME' in 'field list'") + } + + private val versions = Seq("12", "13") + + private var client: ClientInterface = null + + versions.foreach { version => + test(s"$version: listTables") { + client = null + client = IsolatedClientLoader.forVersion(version, buildConf()).client + client.listTables("default") + } + + test(s"$version: createDatabase") { + val db = HiveDatabase("default", "") + client.createDatabase(db) + } + + test(s"$version: createTable") { + val table = + HiveTable( + specifiedDatabase = Option("default"), + name = "src", + schema = Seq(HiveColumn("key", "int", "")), + partitionColumns = Seq.empty, + properties = Map.empty, + serdeProperties = Map.empty, + tableType = ManagedTable, + location = None, + inputFormat = + Some(classOf[org.apache.hadoop.mapred.TextInputFormat].getName), + outputFormat = + Some(classOf[org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat[_, _]].getName), + serde = + Some(classOf[org.apache.hadoop.hive.serde2.`lazy`.LazySimpleSerDe].getName())) + + client.createTable(table) + } + + test(s"$version: getTable") { + client.getTable("default", "src") + } + } +} |