yaooqinn commented on a change in pull request #30918:
URL: https://github.com/apache/spark/pull/30918#discussion_r548827940
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/CharVarcharUtils.scala
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@@ -126,6 +126,16 @@ object CharVarcharUtils extends Logging {
}
}
+ /**
+ * Re-construct the original schema from the type string in the given
metadata of each field.
+ */
+ def restoreCharVarCharInSchema(schema: StructType): StructType = {
Review comment:
sgtm
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