Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20455#discussion_r165292391
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ColumnarBatchSuite.scala
---
@@ -1261,4 +1261,140 @@ class ColumnarBatchSuite extends SparkFunSuite {
batch.close()
allocator.close()
}
+
+ testVector("getUTF8String should return null for null slot", 4,
StringType) {
--- End diff --
we already have test cases for each type, can we just change the existing
test cases a little to add this null check?
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