Github user yhuai commented on a diff in the pull request:
https://github.com/apache/spark/pull/12104#discussion_r58416223
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/InMemoryCatalog.scala
---
@@ -48,7 +48,7 @@ class InMemoryCatalog extends ExternalCatalog {
private val catalog = new scala.collection.mutable.HashMap[String,
DatabaseDesc]
private def filterPattern(names: Seq[String], pattern: String):
Seq[String] = {
- val regex = pattern.replaceAll("\\*", ".*").r
+ val regex = pattern.replaceAll("\\.\\*", "\\*").replaceAll("\\*",
"\\.\\*").r
--- End diff --
Regarding this change, I think it depends on what is the wildcard for any
character(s). If it is `*` (following Hive), then, we should keep the original
line.
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