AngersZhuuuu commented on a change in pull request #29085: URL: https://github.com/apache/spark/pull/29085#discussion_r457025605
########## File path: sql/core/src/test/scala/org/apache/spark/sql/execution/BaseScriptTransformationSuite.scala ########## @@ -0,0 +1,390 @@ +/* + * 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.execution + +import java.sql.{Date, Timestamp} + +import org.json4s.DefaultFormats +import org.json4s.JsonDSL._ +import org.json4s.jackson.JsonMethods._ +import org.scalatest.Assertions._ +import org.scalatest.BeforeAndAfterEach +import org.scalatest.exceptions.TestFailedException + +import org.apache.spark.{SparkException, TaskContext, TestUtils} +import org.apache.spark.rdd.RDD +import org.apache.spark.sql.{Column, Row} +import org.apache.spark.sql.catalyst.InternalRow +import org.apache.spark.sql.catalyst.expressions.{Attribute, AttributeReference, Expression, GenericInternalRow} +import org.apache.spark.sql.catalyst.plans.physical.Partitioning +import org.apache.spark.sql.functions._ +import org.apache.spark.sql.test.SQLTestUtils +import org.apache.spark.sql.types._ +import org.apache.spark.unsafe.types.CalendarInterval + +abstract class BaseScriptTransformationSuite extends SparkPlanTest with SQLTestUtils + with BeforeAndAfterEach { + import testImplicits._ + import ScriptTransformationIOSchema._ + + protected val uncaughtExceptionHandler = new TestUncaughtExceptionHandler + + private var defaultUncaughtExceptionHandler: Thread.UncaughtExceptionHandler = _ + + protected override def beforeAll(): Unit = { + super.beforeAll() + defaultUncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler + Thread.setDefaultUncaughtExceptionHandler(uncaughtExceptionHandler) + } + + protected override def afterAll(): Unit = { + super.afterAll() + Thread.setDefaultUncaughtExceptionHandler(defaultUncaughtExceptionHandler) + } + + override protected def afterEach(): Unit = { + super.afterEach() + uncaughtExceptionHandler.cleanStatus() + } + + def isHive23OrSpark: Boolean + + def createScriptTransformationExec( + input: Seq[Expression], + script: String, + output: Seq[Attribute], + child: SparkPlan, + ioschema: ScriptTransformationIOSchema): BaseScriptTransformationExec + + test("cat without SerDe") { + assume(TestUtils.testCommandAvailable("/bin/bash")) + + val rowsDf = Seq("a", "b", "c").map(Tuple1.apply).toDF("a") + checkAnswer( + rowsDf, + (child: SparkPlan) => createScriptTransformationExec( + input = Seq(rowsDf.col("a").expr), + script = "cat", + output = Seq(AttributeReference("a", StringType)()), + child = child, + ioschema = defaultIOSchema + ), + rowsDf.collect()) + assert(uncaughtExceptionHandler.exception.isEmpty) + } + + test("script transformation should not swallow errors from upstream operators (no serde)") { + assume(TestUtils.testCommandAvailable("/bin/bash")) + + val rowsDf = Seq("a", "b", "c").map(Tuple1.apply).toDF("a") + val e = intercept[TestFailedException] { + checkAnswer( + rowsDf, + (child: SparkPlan) => createScriptTransformationExec( + input = Seq(rowsDf.col("a").expr), + script = "cat", + output = Seq(AttributeReference("a", StringType)()), + child = ExceptionInjectingOperator(child), + ioschema = defaultIOSchema + ), + rowsDf.collect()) + } + assert(e.getMessage().contains("intentional exception")) + // Before SPARK-25158, uncaughtExceptionHandler will catch IllegalArgumentException + assert(uncaughtExceptionHandler.exception.isEmpty) + } + + test("SPARK-25990: TRANSFORM should handle different data types correctly") { + assume(TestUtils.testCommandAvailable("python")) + val scriptFilePath = getTestResourcePath("test_script.py") + + withTempView("v") { + val df = Seq( + (1, "1", 1.0, BigDecimal(1.0), new Timestamp(1)), + (2, "2", 2.0, BigDecimal(2.0), new Timestamp(2)), + (3, "3", 3.0, BigDecimal(3.0), new Timestamp(3)) + ).toDF("a", "b", "c", "d", "e") // Note column d's data type is Decimal(38, 18) + df.createTempView("v") + + val query = sql( + s""" + |SELECT + |TRANSFORM(a, b, c, d, e) + |USING 'python $scriptFilePath' AS (a, b, c, d, e) + |FROM v + """.stripMargin) + + // In Hive 1.2, the string representation of a decimal omits trailing zeroes. + // But in Hive 2.3, it is always padded to 18 digits with trailing zeroes if necessary. + val decimalToString: Column => Column = if (isHive23OrSpark) { + c => c.cast("string") + } else { + c => c.cast("decimal(1, 0)").cast("string") + } + checkAnswer(query, identity, df.select( + 'a.cast("string"), + 'b.cast("string"), + 'c.cast("string"), + decimalToString('d), + 'e.cast("string")).collect()) + } + } + + test("SPARK-25990: TRANSFORM should handle schema less correctly") { + assume(TestUtils.testCommandAvailable("python")) + val scriptFilePath = getTestResourcePath("test_script.py") + + withTempView("v") { + val df = Seq( + (1, "1", 1.0, BigDecimal(1.0), new Timestamp(1)), + (2, "2", 2.0, BigDecimal(2.0), new Timestamp(2)), + (3, "3", 3.0, BigDecimal(3.0), new Timestamp(3)) + ).toDF("a", "b", "c", "d", "e") // Note column d's data type is Decimal(38, 18) + + // In Hive 1.2, the string representation of a decimal omits trailing zeroes. + // But in Hive 2.3, it is always padded to 18 digits with trailing zeroes if necessary. + val decimalToString: Column => Column = if (isHive23OrSpark) { + c => c.cast("string") + } else { + c => c.cast("decimal(1, 0)").cast("string") + } + + checkAnswer( + df, + (child: SparkPlan) => createScriptTransformationExec( + input = Seq( + df.col("a").expr, + df.col("b").expr, + df.col("c").expr, + df.col("d").expr, + df.col("e").expr), + script = s"python $scriptFilePath", + output = Seq( + AttributeReference("key", StringType)(), + AttributeReference("value", StringType)()), + child = child, + ioschema = defaultIOSchema.copy(schemaLess = true) + ), + df.select( + 'a.cast("string").as("key"), + concat_ws("\t", + 'b.cast("string"), + 'c.cast("string"), + decimalToString('d), + 'e.cast("string"))).collect()) + } + } + + test("SPARK-30973: TRANSFORM should wait for the termination of the script (no serde)") { + assume(TestUtils.testCommandAvailable("/bin/bash")) + + val rowsDf = Seq("a", "b", "c").map(Tuple1.apply).toDF("a") + val e = intercept[SparkException] { + val plan = + createScriptTransformationExec( + input = Seq(rowsDf.col("a").expr), + script = "some_non_existent_command", + output = Seq(AttributeReference("a", StringType)()), + child = rowsDf.queryExecution.sparkPlan, + ioschema = defaultIOSchema) + SparkPlanTest.executePlan(plan, spark.sqlContext) + } + assert(e.getMessage.contains("Subprocess exited with status")) + assert(uncaughtExceptionHandler.exception.isEmpty) + } + + test("SPARK-32106: TRANSFORM should support more data types (no serde)") { + assume(TestUtils.testCommandAvailable("python")) + case class Struct(d: Int, str: String) + withTempView("v") { + val df = Seq( + (1, "1", 1.0, 11.toByte, BigDecimal(1.0), new Timestamp(1), + new Date(2020, 7, 1), new CalendarInterval(7, 1, 1000), Array(0, 1, 2), + Map("a" -> 1), new TestUDT.MyDenseVector(Array(1, 2, 3)), new SimpleTuple(1, 1L)), + (2, "2", 2.0, 22.toByte, BigDecimal(2.0), new Timestamp(2), + new Date(2020, 7, 2), new CalendarInterval(7, 2, 2000), Array(3, 4, 5), + Map("b" -> 2), new TestUDT.MyDenseVector(Array(1, 2, 3)), new SimpleTuple(1, 1L)), + (3, "3", 3.0, 33.toByte, BigDecimal(3.0), new Timestamp(3), + new Date(2020, 7, 3), new CalendarInterval(7, 3, 3000), Array(6, 7, 8), + Map("c" -> 3), new TestUDT.MyDenseVector(Array(1, 2, 3)), new SimpleTuple(1, 1L)) + ).toDF("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l") + .select('a, 'b, 'c, 'd, 'e, 'f, 'g, 'h, 'i, 'j, 'k, 'l, + struct('a, 'b).as("m"), unhex('a).as("n"), lit(true).as("o") + ) + // Note column d's data type is Decimal(38, 18) + df.createTempView("v") + + assert(spark.table("v").schema == + StructType(Seq( + StructField("a", IntegerType, false), + StructField("b", StringType, true), + StructField("c", DoubleType, false), + StructField("d", ByteType, false), + StructField("e", DecimalType(38, 18), true), + StructField("f", TimestampType, true), + StructField("g", DateType, true), + StructField("h", CalendarIntervalType, true), + StructField("i", ArrayType(IntegerType, false), true), Review comment: @maropu Seems some pr make hive serde support ArrayType/MapType/StructType. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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