Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12601#discussion_r77950064
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCOptions.scala
---
@@ -44,6 +46,11 @@ class JDBCOptions(
// the number of partitions
val numPartitions = parameters.getOrElse("numPartitions", null)
+ require(partitionColumn == null ||
+ (partitionColumn != null && lowerBound != null && upperBound != null
&& numPartitions != null),
--- End diff --
You can simplify it by
```Scala
partitionColumn == null || (lowerBound != null && upperBound != null &&
numPartitions != null)
```
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