Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/12618#discussion_r60824241
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
---
@@ -78,29 +78,66 @@ class SessionCatalog(
if (conf.caseSensitiveAnalysis) name else name.toLowerCase
}
+ /**
+ * Validate names
+ */
+ protected[this] def validateName(name: String): Boolean = {
+ val validName = "([_A-Za-z0-9]*)".r
--- End diff --
Hmm. Mine also seems not enough since it still allows a strange name like
`___`. I'm sure you'll find a good pattern for this. :)
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