Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/14400#discussion_r72897142
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/CastSuite.scala
---
@@ -727,6 +727,16 @@ class CastSuite extends SparkFunSuite with
ExpressionEvalHelper {
}
}
+ test("cast struct with a timestamp field") {
+ val originalSchema = new StructType().add("tsField", TimestampType,
nullable = false)
+ // nine out of ten times I'm casting a struct, it's to normalize its
fields nullability
+ val targetSchema = new StructType().add("tsField", TimestampType,
nullable = true)
+
+ val inp = Literal.create(InternalRow(0L), originalSchema)
+ val expected = InternalRow(0L)
+ checkEvaluation(cast(inp, targetSchema), expected )
--- End diff --
and remove the extra space here too
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