[SPARK-7069][SQL] Rename NativeType -> AtomicType.

Also renamed JvmType to InternalType.

Author: Reynold Xin <[email protected]>

Closes apache#5651 from rxin/native-to-atomic-type and squashes the following commits:

cbd4028 [Reynold Xin] [SPARK-7069][SQL] Rename NativeType -> AtomicType.

Author: rxin

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala

@@ -17,8 +17,6 @@
 
 package org.apache.spark.sql.catalyst
 
-import java.sql.Timestamp
-
 import org.apache.spark.util.Utils
 import org.apache.spark.sql.catalyst.expressions._
 import org.apache.spark.sql.catalyst.plans.logical.LocalRelation
@@ -110,7 +108,7 @@ trait ScalaReflection {
             StructField(p.name.toString, dataType, nullable)
           }), nullable = true)
       case t if t <:< typeOf[String] => Schema(StringType, nullable = true)
-      case t if t <:< typeOf[Timestamp] => Schema(TimestampType, nullable = true)
+      case t if t <:< typeOf[java.sql.Timestamp] => Schema(TimestampType, nullable = true)
       case t if t <:< typeOf[java.sql.Date] => Schema(DateType, nullable = true)
       case t if t <:< typeOf[BigDecimal] => Schema(DecimalType.Unlimited, nullable = true)
       case t if t <:< typeOf[java.math.BigDecimal] => Schema(DecimalType.Unlimited, nullable = true)
@@ -136,20 +134,20 @@ trait ScalaReflection {
 
   def typeOfObject: PartialFunction[Any, DataType] = {
     // The data type can be determined without ambiguity.
-    case obj: BooleanType.JvmType => BooleanType
-    case obj: BinaryType.JvmType => BinaryType
+    case obj: Boolean => BooleanType
+    case obj: Array[Byte] => BinaryType
     case obj: String => StringType
-    case obj: StringType.JvmType => StringType
-    case obj: ByteType.JvmType => ByteType
-    case obj: ShortType.JvmType => ShortType
-    case obj: IntegerType.JvmType => IntegerType
-    case obj: LongType.JvmType => LongType
-    case obj: FloatType.JvmType => FloatType
-    case obj: DoubleType.JvmType => DoubleType
+    case obj: UTF8String => StringType
+    case obj: Byte => ByteType
+    case obj: Short => ShortType
+    case obj: Int => IntegerType
+    case obj: Long => LongType
+    case obj: Float => FloatType
+    case obj: Double => DoubleType
     case obj: java.sql.Date => DateType
     case obj: java.math.BigDecimal => DecimalType.Unlimited
     case obj: Decimal => DecimalType.Unlimited
-    case obj: TimestampType.JvmType => TimestampType
+    case obj: java.sql.Timestamp => TimestampType
     case null => NullType
     // For other cases, there is no obvious mapping from the type of the given object to a
     // Catalyst data type. A user should provide his/her specific rules

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/arithmetic.scala

@@ -346,7 +346,7 @@ case class MaxOf(left: Expression, right: Expression) extends Expression {
   }
 
   lazy val ordering = left.dataType match {
-    case i: NativeType => i.ordering.asInstanceOf[Ordering[Any]]
+    case i: AtomicType => i.ordering.asInstanceOf[Ordering[Any]]
     case other => sys.error(s"Type $other does not support ordered operations")
   }
 
@@ -391,7 +391,7 @@ case class MinOf(left: Expression, right: Expression) extends Expression {
   }
 
   lazy val ordering = left.dataType match {
-    case i: NativeType => i.ordering.asInstanceOf[Ordering[Any]]
+    case i: AtomicType => i.ordering.asInstanceOf[Ordering[Any]]
     case other => sys.error(s"Type $other does not support ordered operations")
   }
 

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/CodeGenerator.scala

@@ -623,7 +623,7 @@ abstract class CodeGenerator[InType <: AnyRef, OutType <: AnyRef] extends Loggin
   protected def getColumn(inputRow: TermName, dataType: DataType, ordinal: Int) = {
     dataType match {
       case StringType => q"$inputRow($ordinal).asInstanceOf[org.apache.spark.sql.types.UTF8String]"
-      case dt @ NativeType() => q"$inputRow.${accessorForType(dt)}($ordinal)"
+      case dt: DataType if isNativeType(dt) => q"$inputRow.${accessorForType(dt)}($ordinal)"
       case _ => q"$inputRow.apply($ordinal).asInstanceOf[${termForType(dataType)}]"
     }
   }
@@ -635,7 +635,8 @@ abstract class CodeGenerator[InType <: AnyRef, OutType <: AnyRef] extends Loggin
       value: TermName) = {
     dataType match {
       case StringType => q"$destinationRow.update($ordinal, $value)"
-      case dt @ NativeType() => q"$destinationRow.${mutatorForType(dt)}($ordinal, $value)"
+      case dt: DataType if isNativeType(dt) =>
+        q"$destinationRow.${mutatorForType(dt)}($ordinal, $value)"
       case _ => q"$destinationRow.update($ordinal, $value)"
     }
   }
@@ -675,7 +676,18 @@ abstract class CodeGenerator[InType <: AnyRef, OutType <: AnyRef] extends Loggin
   }
 
   protected def termForType(dt: DataType) = dt match {
-    case n: NativeType => n.tag
+    case n: AtomicType => n.tag
     case _ => typeTag[Any]
   }
+
+  /**
+   * List of data types that have special accessors and setters in [[Row]].
+   */
+  protected val nativeTypes =
+    Seq(IntegerType, BooleanType, LongType, DoubleType, FloatType, ShortType, ByteType, StringType)
+
+  /**
+   * Returns true if the data type has a special accessor and setter in [[Row]].
+   */
+  protected def isNativeType(dt: DataType) = nativeTypes.contains(dt)
 }

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/codegen/GenerateProjection.scala

@@ -109,7 +109,7 @@ object GenerateProjection extends CodeGenerator[Seq[Expression], Projection] {
       q"override def update(i: Int, value: Any): Unit = { ..$cases; $accessorFailure }"
     }
 
-    val specificAccessorFunctions = NativeType.all.map { dataType =>
+    val specificAccessorFunctions = nativeTypes.map { dataType =>
       val ifStatements = expressions.zipWithIndex.flatMap {
         // getString() is not used by expressions
         case (e, i) if e.dataType == dataType && dataType != StringType =>
@@ -135,7 +135,7 @@ object GenerateProjection extends CodeGenerator[Seq[Expression], Projection] {
       }
     }
 
-    val specificMutatorFunctions = NativeType.all.map { dataType =>
+    val specificMutatorFunctions = nativeTypes.map { dataType =>
       val ifStatements = expressions.zipWithIndex.flatMap {
         // setString() is not used by expressions
         case (e, i) if e.dataType == dataType && dataType != StringType =>

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala

@@ -20,7 +20,7 @@ package org.apache.spark.sql.catalyst.expressions
 import org.apache.spark.sql.catalyst.analysis.UnresolvedException
 import org.apache.spark.sql.catalyst.errors.TreeNodeException
 import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
-import org.apache.spark.sql.types.{DataType, BinaryType, BooleanType, NativeType}
+import org.apache.spark.sql.types.{DataType, BinaryType, BooleanType, AtomicType}
 
 object InterpretedPredicate {
   def create(expression: Expression, inputSchema: Seq[Attribute]): (Row => Boolean) =
@@ -211,7 +211,7 @@ case class LessThan(left: Expression, right: Expression) extends BinaryCompariso
         s"Types do not match ${left.dataType} != ${right.dataType}")
     }
     left.dataType match {
-      case i: NativeType => i.ordering.asInstanceOf[Ordering[Any]]
+      case i: AtomicType => i.ordering.asInstanceOf[Ordering[Any]]
       case other => sys.error(s"Type $other does not support ordered operations")
     }
   }
@@ -240,7 +240,7 @@ case class LessThanOrEqual(left: Expression, right: Expression) extends BinaryCo
         s"Types do not match ${left.dataType} != ${right.dataType}")
     }
     left.dataType match {
-      case i: NativeType => i.ordering.asInstanceOf[Ordering[Any]]
+      case i: AtomicType => i.ordering.asInstanceOf[Ordering[Any]]
       case other => sys.error(s"Type $other does not support ordered operations")
     }
   }
@@ -269,7 +269,7 @@ case class GreaterThan(left: Expression, right: Expression) extends BinaryCompar
         s"Types do not match ${left.dataType} != ${right.dataType}")
     }
     left.dataType match {
-      case i: NativeType => i.ordering.asInstanceOf[Ordering[Any]]
+      case i: AtomicType => i.ordering.asInstanceOf[Ordering[Any]]
       case other => sys.error(s"Type $other does not support ordered operations")
     }
   }
@@ -298,7 +298,7 @@ case class GreaterThanOrEqual(left: Expression, right: Expression) extends Binar
         s"Types do not match ${left.dataType} != ${right.dataType}")
     }
     left.dataType match {
-      case i: NativeType => i.ordering.asInstanceOf[Ordering[Any]]
+      case i: AtomicType => i.ordering.asInstanceOf[Ordering[Any]]
       case other => sys.error(s"Type $other does not support ordered operations")
     }
   }

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/rows.scala

@@ -17,7 +17,7 @@
 
 package org.apache.spark.sql.catalyst.expressions
 
-import org.apache.spark.sql.types.{UTF8String, DataType, StructType, NativeType}
+import org.apache.spark.sql.types.{UTF8String, DataType, StructType, AtomicType}
 
 /**
  * An extended interface to [[Row]] that allows the values for each column to be updated.  Setting
@@ -227,9 +227,9 @@ class RowOrdering(ordering: Seq[SortOrder]) extends Ordering[Row] {
         return if (order.direction == Ascending) 1 else -1
       } else {
         val comparison = order.dataType match {
-          case n: NativeType if order.direction == Ascending =>
+          case n: AtomicType if order.direction == Ascending =>
             n.ordering.asInstanceOf[Ordering[Any]].compare(left, right)
-          case n: NativeType if order.direction == Descending =>
+          case n: AtomicType if order.direction == Descending =>
             n.ordering.asInstanceOf[Ordering[Any]].reverse.compare(left, right)
           case other => sys.error(s"Type $other does not support ordered operations")
         }