Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/2762#discussion_r18819746
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveInspectors.scala ---
@@ -135,26 +139,66 @@ private[hive] trait HiveInspectors {
unwrapData(si.getStructFieldData(data,r),
r.getFieldObjectInspector)).toArray)
}
- /** Converts native catalyst types to the types expected by Hive */
- def wrap(a: Any): AnyRef = a match {
- case s: String => s: java.lang.String
- case i: Int => i: java.lang.Integer
- case b: Boolean => b: java.lang.Boolean
- case f: Float => f: java.lang.Float
- case d: Double => d: java.lang.Double
- case l: Long => l: java.lang.Long
- case l: Short => l: java.lang.Short
- case l: Byte => l: java.lang.Byte
- case b: BigDecimal => new HiveDecimal(b.underlying())
- case b: Array[Byte] => b
- case t: java.sql.Timestamp => t
- case s: Seq[_] => seqAsJavaList(s.map(wrap))
- case m: Map[_,_] =>
- // Some UDFs seem to assume we pass in a HashMap.
- val hashMap = new java.util.HashMap[AnyRef, AnyRef]()
- hashMap.putAll(m.map { case (k, v) => wrap(k) -> wrap(v) })
- hashMap
- case null => null
+ /**
+ * Converts native catalyst types to the types expected by Hive
+ * @param a the value to be wrapped
+ * @param oi the destination ObjectInspector, which supposed to be the
ObjectInspector enumerated
+ * in functions:
+ * def toInspector(dataType: DataType)
+ * def def toInspector(expr: Expression)
--- End diff --
Remove duplicated `def`.
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