dongjoon-hyun commented on a change in pull request #26209: [SPARK-29554][SQL]
Add `version` SQL function
URL: https://github.com/apache/spark/pull/26209#discussion_r339265434
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/misc.scala
##########
@@ -164,3 +163,17 @@ case class Uuid(randomSeed: Option[Long] = None) extends
LeafExpression with Sta
override def freshCopy(): Uuid = Uuid(randomSeed)
}
+
+// scalastyle:off line.size.limit
+@ExpressionDescription(
+ usage =
+ """_FUNC_() - Returns the Spark version. The string contains 2 fields, the
first being a release or snapshot version and the second being a git
revision.""",
+ since = """3.0.0""")
+// scalastyle:on line.size.limit
+case class Version() extends LeafExpression with CodegenFallback {
+ override def nullable: Boolean = false
Review comment:
Please override `foldable`, too.
```scala
override def foldable: Boolean = true
```
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