Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/13720#discussion_r67811340
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala
---
@@ -180,7 +180,8 @@ case class CatalogTable(
Seq(s"Table: ${identifier.quotedString}",
if (owner.nonEmpty) s"Owner: $owner" else "",
s"Created: ${new Date(createTime).toString}",
- s"Last Access: ${new Date(lastAccessTime).toString}",
+ "Last Access: " +
+ (if (lastAccessTime == -1) "UNKNOWN" else new
Date(lastAccessTime).toString),
--- End diff --
I don't feel strongly about it, but seems like elsewhere an empty string is
used for no values. This seems slightly preferable.
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