beliefer commented on a change in pull request #31272:
URL: https://github.com/apache/spark/pull/31272#discussion_r562392837
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/StringUtils.scala
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@@ -60,10 +60,16 @@ object StringUtils extends Logging {
case c if c == escapeChar => fail("it is not allowed to end with the
escape character")
case '_' => out ++= "."
case '%' => out ++= ".*"
+ case '*' if filterPattern => out ++= ".*"
+ case '.' if filterPattern => out ++= "."
Review comment:
The title of this PR seems to support for SQL wildcard characters (% and
_) , why we added '*' and '.' ?
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