Github user kiszk commented on a diff in the pull request: https://github.com/apache/spark/pull/19230#discussion_r139324826 --- Diff: sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ColumnVectorSuite.scala --- @@ -0,0 +1,201 @@ +/* + * 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.vectorized + +import org.scalatest.BeforeAndAfterEach + +import org.apache.spark.SparkFunSuite +import org.apache.spark.sql.catalyst.util.ArrayData +import org.apache.spark.sql.types._ +import org.apache.spark.unsafe.types.UTF8String + +class ColumnVectorSuite extends SparkFunSuite with BeforeAndAfterEach { + + var testVector: WritableColumnVector = _ + + private def allocate(capacity: Int, dt: DataType): WritableColumnVector = { + new OnHeapColumnVector(capacity, dt) + } + + override def afterEach(): Unit = { + testVector.close() + } + + test("boolean") { + testVector = allocate(10, BooleanType) + (0 until 10).foreach { i => + testVector.appendBoolean(i % 2 == 0) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, BooleanType) === (i % 2 == 0)) + } + } + + test("byte") { + testVector = allocate(10, ByteType) + (0 until 10).foreach { i => + testVector.appendByte(i.toByte) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, ByteType) === (i.toByte)) + } + } + + test("short") { + testVector = allocate(10, ShortType) + (0 until 10).foreach { i => + testVector.appendShort(i.toShort) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, ShortType) === (i.toShort)) + } + } + + test("int") { + testVector = allocate(10, IntegerType) + (0 until 10).foreach { i => + testVector.appendInt(i) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, IntegerType) === i) + } + } + + test("long") { + testVector = allocate(10, LongType) + (0 until 10).foreach { i => + testVector.appendLong(i) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, LongType) === i) + } + } + + test("float") { + testVector = allocate(10, FloatType) + (0 until 10).foreach { i => + testVector.appendFloat(i.toFloat) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, FloatType) === i.toFloat) + } + } + + test("double") { + testVector = allocate(10, DoubleType) + (0 until 10).foreach { i => + testVector.appendDouble(i.toDouble) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, DoubleType) === i.toDouble) + } + } + + test("string") { + testVector = allocate(10, StringType) + (0 until 10).map { i => + val utf8 = s"str$i".getBytes("utf8") + testVector.appendByteArray(utf8, 0, utf8.length) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + assert(array.get(i, StringType) === UTF8String.fromString(s"str$i")) + } + } + + test("binary") { + testVector = allocate(10, BinaryType) + (0 until 10).map { i => + val utf8 = s"str$i".getBytes("utf8") + testVector.appendByteArray(utf8, 0, utf8.length) + } + + val array = new ColumnVector.Array(testVector) + + (0 until 10).foreach { i => + val utf8 = s"str$i".getBytes("utf8") + assert(array.get(i, BinaryType) === utf8) + } + } + + test("array") { + val arrayType = ArrayType(IntegerType, true) + testVector = allocate(10, arrayType) + + val data = testVector.arrayData() + var i = 0 + while (i < 6) { + data.putInt(i, i) + i += 1 + } + + // Populate it with arrays [0], [1, 2], [], [3, 4, 5] + testVector.putArray(0, 0, 1) + testVector.putArray(1, 1, 2) + testVector.putArray(2, 3, 0) + testVector.putArray(3, 3, 3) + + val array = new ColumnVector.Array(testVector) + + assert(array.get(0, arrayType).asInstanceOf[ArrayData].toIntArray() === Array(0)) + assert(array.get(1, arrayType).asInstanceOf[ArrayData].toIntArray() === Array(1, 2)) + assert(array.get(2, arrayType).asInstanceOf[ArrayData].toIntArray() === Array.empty[Int]) + assert(array.get(3, arrayType).asInstanceOf[ArrayData].toIntArray() === Array(3, 4, 5)) + } + + test("struct") { + val schema = new StructType().add("int", IntegerType).add("double", DoubleType) + testVector = allocate(10, schema) + val c1 = testVector.getChildColumn(0) + val c2 = testVector.getChildColumn(1) + c1.putInt(0, 123) + c2.putDouble(0, 3.45) + c1.putInt(1, 456) + c2.putDouble(1, 5.67) + + val array = new ColumnVector.Array(testVector) + + assert(array.get(0, schema).asInstanceOf[ColumnarBatch.Row].get(0, IntegerType) === 123) + assert(array.get(0, schema).asInstanceOf[ColumnarBatch.Row].get(1, DoubleType) === 3.45) + assert(array.get(1, schema).asInstanceOf[ColumnarBatch.Row].get(0, IntegerType) === 456) + assert(array.get(1, schema).asInstanceOf[ColumnarBatch.Row].get(1, DoubleType) === 5.67) + } +} --- End diff -- Is it better to add a test for `map`, too?
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