Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/7003#discussion_r33224283
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/InternalRow.scala ---
@@ -19,14 +19,54 @@ package org.apache.spark.sql.catalyst
import org.apache.spark.sql.Row
import org.apache.spark.sql.catalyst.expressions._
+import org.apache.spark.unsafe.types.UTF8String
/**
* An abstract class for row used internal in Spark SQL, which only
contain the columns as
* internal types.
*/
abstract class InternalRow extends Row {
+
+ // default implementation for codegen (for a Row which does not have
those types)
+ override def getBoolean(i: Int): Boolean = throw new
UnsupportedOperationException
+ override def getByte(i: Int): Byte = throw new
UnsupportedOperationException
+ override def getShort(i: Int): Short = throw new
UnsupportedOperationException
+ override def getInt(i: Int): Int = throw new
UnsupportedOperationException
+ override def getLong(i: Int): Long = throw new
UnsupportedOperationException
+ override def getFloat(i: Int): Float = throw new
UnsupportedOperationException
+ override def getDouble(i: Int): Double = throw new
UnsupportedOperationException
+
+ // This is only use for test
+ override def getString(i: Int): String = getAs[UTF8String](i).toString
+
+ // These expensive API should not be used internally.
+ override def getDecimal(i: Int): java.math.BigDecimal = throw new
UnsupportedOperationException
+ override def getDate(i: Int): java.sql.Date = throw new
UnsupportedOperationException
+ override def getTimestamp(i: Int): java.sql.Timestamp = throw new
UnsupportedOperationException
+ override def getSeq[T](i: Int): Seq[T] = throw new
UnsupportedOperationException
+ override def getList[T](i: Int): java.util.List[T] = throw new
UnsupportedOperationException
+ override def getMap[K, V](i: Int): scala.collection.Map[K, V] =
+ throw new UnsupportedOperationException
+ override def getJavaMap[K, V](i: Int): java.util.Map[K, V] =
+ throw new UnsupportedOperationException
+ override def getStruct(i: Int): InternalRow = throw new
UnsupportedOperationException
+ override def getAs[T](fieldName: String): T = throw new
UnsupportedOperationException
+ override def getValuesMap[T](fieldNames: Seq[String]): Map[String, T] =
--- End diff --
should we add `final` to make sure all `InternalRow` implementations can
not define these functions?
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