Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21711#discussion_r202531122
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala ---
@@ -138,17 +138,35 @@ private[spark] class HiveExternalCatalog(conf:
SparkConf, hadoopConf: Configurat
}
/**
- * Checks the validity of data column names. Hive metastore disallows
the table to use comma in
- * data column names. Partition columns do not have such a restriction.
Views do not have such
- * a restriction.
+ * Checks the validity of data column names. Hive metastore disallows
the table to use some
+ * special characters (',', ':', and ';') in data column names.
Partition columns do not have
--- End diff --
> in data column names.
->
> in data column names, including nested column names.
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