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UnsafeArraySuite.scala
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UnsafeArraySuite.scala
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/*
* 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.catalyst.util
import org.apache.spark.SparkFunSuite
import org.apache.spark.sql.Row
import org.apache.spark.sql.catalyst.encoders.{ExpressionEncoder, RowEncoder}
import org.apache.spark.sql.catalyst.expressions.UnsafeArrayData
import org.apache.spark.sql.types._
import org.apache.spark.unsafe.types.{CalendarInterval, UTF8String}
class UnsafeArraySuite extends SparkFunSuite {
val booleanArray = Array(false, true)
val shortArray = Array(1.toShort, 10.toShort, 100.toShort)
val intArray = Array(1, 10, 100)
val longArray = Array(1.toLong, 10.toLong, 100.toLong)
val floatArray = Array(1.1.toFloat, 2.2.toFloat, 3.3.toFloat)
val doubleArray = Array(1.1, 2.2, 3.3)
val stringArray = Array("1", "10", "100")
val dateArray = Array(
DateTimeUtils.stringToDate(UTF8String.fromString("1970-1-1")).get,
DateTimeUtils.stringToDate(UTF8String.fromString("2016-7-26")).get)
val timestampArray = Array(
DateTimeUtils.stringToTimestamp(UTF8String.fromString("1970-1-1 00:00:00")).get,
DateTimeUtils.stringToTimestamp(UTF8String.fromString("2016-7-26 00:00:00")).get)
val decimalArray4_1 = Array(
BigDecimal("123.4").setScale(1, BigDecimal.RoundingMode.FLOOR),
BigDecimal("567.8").setScale(1, BigDecimal.RoundingMode.FLOOR))
val decimalArray20_20 = Array(
BigDecimal("1.2345678901234567890123456").setScale(21, BigDecimal.RoundingMode.FLOOR),
BigDecimal("2.3456789012345678901234567").setScale(21, BigDecimal.RoundingMode.FLOOR))
val calenderintervalArray = Array(new CalendarInterval(3, 321), new CalendarInterval(1, 123))
val intMultiDimArray = Array(Array(1), Array(2, 20), Array(3, 30, 300))
val doubleMultiDimArray = Array(
Array(1.1, 11.1), Array(2.2, 22.2, 222.2), Array(3.3, 33.3, 333.3, 3333.3))
test("read array") {
val unsafeBoolean = ExpressionEncoder[Array[Boolean]].resolveAndBind().
toRow(booleanArray).getArray(0)
assert(unsafeBoolean.isInstanceOf[UnsafeArrayData])
assert(unsafeBoolean.numElements == booleanArray.length)
booleanArray.zipWithIndex.map { case (e, i) =>
assert(unsafeBoolean.getBoolean(i) == e)
}
val unsafeShort = ExpressionEncoder[Array[Short]].resolveAndBind().
toRow(shortArray).getArray(0)
assert(unsafeShort.isInstanceOf[UnsafeArrayData])
assert(unsafeShort.numElements == shortArray.length)
shortArray.zipWithIndex.map { case (e, i) =>
assert(unsafeShort.getShort(i) == e)
}
val unsafeInt = ExpressionEncoder[Array[Int]].resolveAndBind().
toRow(intArray).getArray(0)
assert(unsafeInt.isInstanceOf[UnsafeArrayData])
assert(unsafeInt.numElements == intArray.length)
intArray.zipWithIndex.map { case (e, i) =>
assert(unsafeInt.getInt(i) == e)
}
val unsafeLong = ExpressionEncoder[Array[Long]].resolveAndBind().
toRow(longArray).getArray(0)
assert(unsafeLong.isInstanceOf[UnsafeArrayData])
assert(unsafeLong.numElements == longArray.length)
longArray.zipWithIndex.map { case (e, i) =>
assert(unsafeLong.getLong(i) == e)
}
val unsafeFloat = ExpressionEncoder[Array[Float]].resolveAndBind().
toRow(floatArray).getArray(0)
assert(unsafeFloat.isInstanceOf[UnsafeArrayData])
assert(unsafeFloat.numElements == floatArray.length)
floatArray.zipWithIndex.map { case (e, i) =>
assert(unsafeFloat.getFloat(i) == e)
}
val unsafeDouble = ExpressionEncoder[Array[Double]].resolveAndBind().
toRow(doubleArray).getArray(0)
assert(unsafeDouble.isInstanceOf[UnsafeArrayData])
assert(unsafeDouble.numElements == doubleArray.length)
doubleArray.zipWithIndex.map { case (e, i) =>
assert(unsafeDouble.getDouble(i) == e)
}
val unsafeString = ExpressionEncoder[Array[String]].resolveAndBind().
toRow(stringArray).getArray(0)
assert(unsafeString.isInstanceOf[UnsafeArrayData])
assert(unsafeString.numElements == stringArray.length)
stringArray.zipWithIndex.map { case (e, i) =>
assert(unsafeString.getUTF8String(i).toString().equals(e))
}
val unsafeDate = ExpressionEncoder[Array[Int]].resolveAndBind().
toRow(dateArray).getArray(0)
assert(unsafeDate.isInstanceOf[UnsafeArrayData])
assert(unsafeDate.numElements == dateArray.length)
dateArray.zipWithIndex.map { case (e, i) =>
assert(unsafeDate.get(i, DateType).asInstanceOf[Int] == e)
}
val unsafeTimestamp = ExpressionEncoder[Array[Long]].resolveAndBind().
toRow(timestampArray).getArray(0)
assert(unsafeTimestamp.isInstanceOf[UnsafeArrayData])
assert(unsafeTimestamp.numElements == timestampArray.length)
timestampArray.zipWithIndex.map { case (e, i) =>
assert(unsafeTimestamp.get(i, TimestampType).asInstanceOf[Long] == e)
}
Seq(decimalArray4_1, decimalArray20_20).map { decimalArray =>
val decimal = decimalArray(0)
val schema = new StructType().add(
"array", ArrayType(DecimalType(decimal.precision, decimal.scale)))
val encoder = RowEncoder(schema).resolveAndBind()
val externalRow = Row(decimalArray)
val ir = encoder.toRow(externalRow)
val unsafeDecimal = ir.getArray(0)
assert(unsafeDecimal.isInstanceOf[UnsafeArrayData])
assert(unsafeDecimal.numElements == decimalArray.length)
decimalArray.zipWithIndex.map { case (e, i) =>
assert(unsafeDecimal.getDecimal(i, e.precision, e.scale).toBigDecimal == e)
}
}
val schema = new StructType().add("array", ArrayType(CalendarIntervalType))
val encoder = RowEncoder(schema).resolveAndBind()
val externalRow = Row(calenderintervalArray)
val ir = encoder.toRow(externalRow)
val unsafeCalendar = ir.getArray(0)
assert(unsafeCalendar.isInstanceOf[UnsafeArrayData])
assert(unsafeCalendar.numElements == calenderintervalArray.length)
calenderintervalArray.zipWithIndex.map { case (e, i) =>
assert(unsafeCalendar.getInterval(i) == e)
}
val unsafeMultiDimInt = ExpressionEncoder[Array[Array[Int]]].resolveAndBind().
toRow(intMultiDimArray).getArray(0)
assert(unsafeMultiDimInt.isInstanceOf[UnsafeArrayData])
assert(unsafeMultiDimInt.numElements == intMultiDimArray.length)
intMultiDimArray.zipWithIndex.map { case (a, j) =>
val u = unsafeMultiDimInt.getArray(j)
assert(u.isInstanceOf[UnsafeArrayData])
assert(u.numElements == a.length)
a.zipWithIndex.map { case (e, i) =>
assert(u.getInt(i) == e)
}
}
val unsafeMultiDimDouble = ExpressionEncoder[Array[Array[Double]]].resolveAndBind().
toRow(doubleMultiDimArray).getArray(0)
assert(unsafeDouble.isInstanceOf[UnsafeArrayData])
assert(unsafeMultiDimDouble.numElements == doubleMultiDimArray.length)
doubleMultiDimArray.zipWithIndex.map { case (a, j) =>
val u = unsafeMultiDimDouble.getArray(j)
assert(u.isInstanceOf[UnsafeArrayData])
assert(u.numElements == a.length)
a.zipWithIndex.map { case (e, i) =>
assert(u.getDouble(i) == e)
}
}
}
test("from primitive array") {
val unsafeInt = UnsafeArrayData.fromPrimitiveArray(intArray)
assert(unsafeInt.numElements == 3)
assert(unsafeInt.getSizeInBytes ==
((8 + scala.math.ceil(3/64.toDouble) * 8 + 4 * 3 + 7).toInt / 8) * 8)
intArray.zipWithIndex.map { case (e, i) =>
assert(unsafeInt.getInt(i) == e)
}
val unsafeDouble = UnsafeArrayData.fromPrimitiveArray(doubleArray)
assert(unsafeDouble.numElements == 3)
assert(unsafeDouble.getSizeInBytes ==
((8 + scala.math.ceil(3/64.toDouble) * 8 + 8 * 3 + 7).toInt / 8) * 8)
doubleArray.zipWithIndex.map { case (e, i) =>
assert(unsafeDouble.getDouble(i) == e)
}
}
test("to primitive array") {
val intEncoder = ExpressionEncoder[Array[Int]].resolveAndBind()
assert(intEncoder.toRow(intArray).getArray(0).toIntArray.sameElements(intArray))
val doubleEncoder = ExpressionEncoder[Array[Double]].resolveAndBind()
assert(doubleEncoder.toRow(doubleArray).getArray(0).toDoubleArray.sameElements(doubleArray))
}
}