maropu commented on a change in pull request #31412:
URL: https://github.com/apache/spark/pull/31412#discussion_r567767319
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/util/SchemaUtils.scala
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@@ -271,4 +271,18 @@ private[spark] object SchemaUtils {
}
field._1
}
+
+ /**
+ * @param str The string to be escaped.
+ * @return The escaped string.
+ */
+ def escapeMetaCharacters(str: String): String = {
Review comment:
How about moving this into
`org.apache.spark.sql.catalyst.util.StringUtils` instead?
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