jzhuge commented on code in PR #35636:
URL: https://github.com/apache/spark/pull/35636#discussion_r843244976
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/NoSuchItemException.scala:
##########
@@ -37,8 +37,12 @@ case class NoSuchNamespaceException(
override val cause: Option[Throwable] = None)
extends AnalysisException(message, cause = cause) {
+ def this(namespace: Array[String], cause: Option[Throwable]) = {
+ this(s"Namespace '${namespace.quoted}' not found", cause = cause)
+ }
+
def this(namespace: Array[String]) = {
- this(s"Namespace '${namespace.quoted}' not found")
+ this(namespace, cause = None)
Review Comment:
Actually, this is necessary for Java code to call `new
NoSuchNamespaceException(namespace)` without a cause.
The following constructor (default value `None` to `cause`) will not work
for Java:
```
def this(namespace: Array[String], cause: Option[Throwable] = None)
```
How about having these 2 constructors?
```
def this(namespace: Array[String], cause: Throwable)
def this(namespace: Array[String])
```
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