Github user adrian-wang commented on a diff in the pull request:
https://github.com/apache/spark/pull/5877#discussion_r29731745
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/jdbc/JDBCRDD.scala
---
@@ -361,8 +361,14 @@ private[sql] class JDBCRDD(
val pos = i + 1
conversions(i) match {
case BooleanConversion => mutableRow.setBoolean(i,
rs.getBoolean(pos))
--- End diff --
For now only Date will have the NPE problem. in #5456 when I convert the
decimal type there I also apply similar approach when I call `def Decimal(x:
BigDecimal)`.
I have add another test case to make sure it works for all types.
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