cloud-fan commented on a change in pull request #34429:
URL: https://github.com/apache/spark/pull/34429#discussion_r738930469
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DescribeNamespaceExec.scala
##########
@@ -45,9 +45,13 @@ case class DescribeNamespaceExec(
if (isExtended) {
val properties = metadata.asScala --
CatalogV2Util.NAMESPACE_RESERVED_PROPERTIES
- if (properties.nonEmpty) {
- rows += toCatalystRow("Properties", properties.toSeq.mkString("(",
",", ")"))
- }
+ val propertiesStr =
+ if (properties.isEmpty) {
+ ""
+ } else {
+ properties.toSeq.mkString("(", ", ", ")")
+ }
+ rows += toCatalystRow("Properties", propertiesStr)
Review comment:
I think it's OK to make this behavior change (database -> namespace).
People can still fallback to v1 command if needed.
The tests need to be a bit more complicated though, to allow different
results between v1 and v2 commands.
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